York YCIV0157 Installation Operation & Maintenance

York YCIV0157 Installation Operation & Maintenance

Air-cooled screw liquid chillers
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Air-Cooled Screw
Liquid Chillers
Installation, Operation, Maintenance
Supersedes: 201.23-NM2 (623) Form 201.23-NM2 (1223)
035-21506-101
YCIV Style A Models
YCIV0157 to YCIV0397, 60 Hz
(150 to 260 tons)
Air-Cooled Screw Liquid Chillers
E/V High Efficiency and S/P Standard Efficiency
R-134a
Issue Date:
December 19, 2023

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Summary of Contents for York YCIV0157

  • Page 1 Air-Cooled Screw Liquid Chillers Installation, Operation, Maintenance Supersedes: 201.23-NM2 (623) Form 201.23-NM2 (1223) 035-21506-101 YCIV Style A Models YCIV0157 to YCIV0397, 60 Hz (150 to 260 tons) Air-Cooled Screw Liquid Chillers E/V High Efficiency and S/P Standard Efficiency R-134a Issue Date:...
  • Page 2 Form 201.23-NM2 Issue date: 12/19/2023 Important! Read before proceeding! General safety guidelines This equipment is a relatively complicated apparatus. which it is situated, as well as severe personal injury or During rigging, installation, operation, maintenance, death to themselves and people at the site. or service, individuals may be exposed to certain com- This document is intended for use by owner-authorized ponents or conditions including, but not limited to:...
  • Page 3 Form 201.23-NM2 Issue date: 12/19/2023 Working with chiller vessels which are designed to contain contents under pressure must only be conducted by fully qualified technicians who have been certified in accordance with EPA Section 608 of the Clean Air Act requirements for the US or equivalently the Federal Halocarbon Regulations and the Refrigerant Code of Practice for Canada.
  • Page 4 Planned Service Agreement that leverages real time and generalized conditions. In lieu of the traditional and historical data, delivering performance reporting, maintenance program, a Johnson Controls YORK corrective actions required and data enabled guidance Conditioned Based Maintenance (CBM) program can for optimal operation and lifecycle assurance.
  • Page 5 Form 201.23-NM2 Issue date: 12/19/2023 SYSTEM NOMENCLATURE 0187 YORK Development Code Air Cooled Chiller Design Series VSD Driven Screw Starter - VSD Compressor Voltage Code Model Number 17 = 200-3-60 0187 28 = 230-3-60 0720 40 = 380-3-60 46 = 460-3-60...
  • Page 6: Table Of Contents

    Form 201.23-NM2 Issue date: 12/19/2023 Table of contents Section 1 - General chiller information and safety .....................15 Introduction ..............................15 Warranty ................................. 15 Safety ................................15 About this manual ............................16 Misuse of equipment ............................16 Section 2 - Product description ...........................19 Introduction ..............................
  • Page 7 Form 201.23-NM2 Issue date: 12/19/2023 Table of contents (cont'd) Section 6 - Technical data .............................55 Glycol correction factors ..........................59 Electrical notes ............................... 84 Electrical wiring diagrams - 2 compressor models ..................86 Electrical wiring diagrams - 3 compressor models ..................100 Dimensions - 2 and 3 compressor SI ......................
  • Page 8 Form 201.23-NM2 Issue date: 12/19/2023 Table of contents (cont'd) VSD data key ............................... 252 Operating hours / start counter key ......................254 History key ..............................255 Setpoints key ..............................262 Program key ..............................264 Options key ..............................267 Date / time and schedule keys ........................270 Manual override key .............................
  • Page 9 Figure 20 - Three compressor wiring diagram with terminal block – single point ........... 71 Figure 21 - Elementary control wiring diagram 2 compressor models..............86 Figure 22 - Elementary power wiring diagram - YCIV0157-0267 2 compressor models ........88 Figure 23 - Power wiring connection diagram - YCIV0157-0267 2 Compressor Models ........90 Figure 24 - Control wiring connection diagram - YCIV0157-0267 2 compressor models ........
  • Page 10 Form 201.23-NM2 Issue date: 12/19/2023 List of figures (cont'd) Figure 55 - Isolator selection and mounting locations ..................145 Figure 56 - Isolator selection and mounting locations ..................146 Figure 57 - Isolator selection and mounting locations ..................147 Figure 58 - Isolator selection and mounting locations ..................148 Figure 59 - Isolator selection and mounting locations ..................149 Figure 60 - Isolator selection and mounting locations ..................150 Figure 61 - Isolator selection and mounting locations ..................151...
  • Page 11 Form 201.23-NM2 Conditioned-based maintenance Issue date: 12/19/2023 List of figures (cont'd) Figure 110 - Obsolete board P/N 031-02477-000....................197 Figure 111 - Current transformers.........................198 Figure 112 - DV/DT output suppression network ....................198 Figure 113 - Flash tank feed and drain valve controller ..................198 Figure 114 - DC bus voltage isolation board......................199 Figure 115 - Chiller circuit breaker ........................199 Figure 116 - Unit switch ............................202...
  • Page 12 Form 201.23-NM2 Conditioned-based maintenance Issue date: 12/19/2023 List of tables Table 1 - Complete PIN number description ......................29 Table 2 - Lifting points dimensions ..........................35 Table 3 - Water temperature and flows ........................60 Table 4 - Physical data, English - standard efficiency .....................62 Table 5 - Physical data (English - high efficiency) ....................64 Table 6 - Physical data, SI - standard efficiency .....................66 Table 7 - Physical data (SI - high efficiency) ......................68...
  • Page 13 Form 201.23-NM2 Conditioned-based maintenance Issue date: 12/19/2023 List of tables (cont'd) Table 55 - R-134a Pressure to Saturated Temperature Conversion ..............314 Table 56 - Troubleshooting guide .........................317 Table 57 - Temperature input voltage sensor (measured signal to shield at the sensor) ........320 Table 58 - Outside air temperature sensor input voltage (measured signal to shield at the sensor) ....
  • Page 14 Form 201.23-NM2 Conditioned-based maintenance Issue date: 12/19/2023 This page intentionally left blank. Johnson Controls...
  • Page 15: Section 1 - General Chiller Information And Safety

    All warranty claims must specify the unit model, serial number, order number and run hours/starts. Model and YORK YCIV0157 through 0397 chillers are manufac- serial number information is printed on the unit identi- tured to the highest design and construction standards fication plate.
  • Page 16: About This Manual

    Form 201.23-NM2 Section 1 - General chiller information and safety Issue date: 12/19/2023 • ASHRAE 90.1 Energy Standard for Building Ex- This manual and any other document supplied with cept Low-Rise Residential Buildings. the unit are the property of Johnson Controls which re- serves all rights.
  • Page 17 Form 201.23-NM2 Section 1 - General chiller information and safety Issue date: 12/19/2023 Pressure systems Refrigerants and oils The unit contains refrigerant vapor and liquid under Refrigerants and oils used in the unit are generally non- pressure, release of which can be a danger and cause toxic, non-flammable and non-corrosive, and pose no injury.
  • Page 18 Form 201.23-NM2 Issue date: 12/19/2023 This page intentionally left blank. Johnson Controls...
  • Page 19: Section 2 - Product Description

    Introduction General system description The Latitude (YCIV) Air-Cooled Chiller line combines YORK YCIV R-134a chillers are designed for water the best of modern screw compressor design with the or glycol cooling. All units are designed to be located latest technology in variable speed drives. The result outside on the roof of a building or at ground level.
  • Page 20: Figure 2 - Chiller Control System

    Form 201.23-NM2 Section 2 - Product description Issue date: 12/19/2023 An integral liquid cooled, transistorized, PWM, vari- Refrigerant gas is injected into the void created by the able speed drive (VSD) is controlled by the chiller un-meshing of the five lobed male and seven lobed fe- microprocessor control panel to start/stop, select com- male rotors.
  • Page 21 Form 201.23-NM2 Section 2 - Product description Issue date: 12/19/2023 Motor cooling is provided by suction gas from the The water nozzles are provided with grooves for me- evaporator flowing across the motor. Redundant over- chanical couplings and should be insulated by the con- load protection is provided using both internal thermis- tractor after pipe installation.
  • Page 22 The oil (YORK “L” oil – a POE oil used for all re- approximately 1.7 x suction when the economizer so- frigerant applications), flows from the oil separator, lenoid is activated.
  • Page 23 Form 201.23-NM2 Section 2 - Product description Issue date: 12/19/2023 Current transformers sense each phase of motor cur- Oil cooling rent, and send corresponding signals to the Chiller Oil cooling is provided by routing oil from the oil sepa- Logic Board. Current monitoring protects the com- rator through several of the top rows of the condenser pressor motors from damage due to low motor current, coils and back to the compressor.
  • Page 24 Form 201.23-NM2 Section 2 - Product description Issue date: 12/19/2023 Parameters are displayed in 5 languages in either Eng- Keypad lish (°F and psig) or Metric (°C and bar) units, and for An operator keypad allows complete control of the each circuit, the following items can be displayed: system from a central location.
  • Page 25: Figure 4 - Pwm Current Waveform

    Form 201.23-NM2 Section 2 - Product description Issue date: 12/19/2023 Variable speed drive (VSD) The VSD (variable speed drive) is a liquid cooled, tran- The power section of the drive is composed of four ma- sistorized, PWM inverter, which provides speed con- jor blocks consisting of an AC to DC rectifier section trol to vary the speed of 2, 3 or 4 compressor motors.
  • Page 26: Accessories And Options

    Form 201.23-NM2 Section 2 - Product description Issue date: 12/19/2023 The DC to AC inverter section of the VSD serves to tance) between the DC link filter capacitors located on convert the rectified and filtered DC back to AC at the the output phase bank assemblies and the VSD Logic magnitude and frequency commanded by the VSD Board.
  • Page 27 Form 201.23-NM2 Section 2 - Product description Issue date: 12/19/2023 tion the unit can operate at normal speed during the Pre-coated fin condenser coils day, when background noise levels are noticeable, and The air-cooled condenser coils are constructed of ep- at low speed in the evening and at night when back- oxy-coated aluminum fins.
  • Page 28 Form 201.23-NM2 Section 2 - Product description Issue date: 12/19/2023 Evaporator options Chicago code relief valve Special relief valves per Chicago code. (Factory- Double Thick 1 1/2 in. Insulation mounted) Double thickness insulation is provided. (Factory- mounted) Pressure relief (CE/PED) service valve kit Each relief valve is mounted on a sealable ball valve to Raised face flange accessory aid maintenance.
  • Page 29: Complete Pin Number Description

    Form 201.23-NM2 Section 2 - Product description Issue date: 12/19/2023 Complete PIN number description Table 1 - Complete PIN number description FEATURE DESCRIPTION OPTION DESCRIPTION CONTRACT Contract Number Contract Number = {num} ORDER Order Quantity Order quantity = {ord_qty} USA origin not required USA Origin USA origin required Crane/Rigging Shipping Weight = {lb}...
  • Page 30 Form 201.23-NM2 Section 2 - Product description Issue date: 12/19/2023 Table 1 - Complete pin number description (cont'd) FEATURE DESCRIPTION OPTION DESCRIPTION No Selection LON E-Link BAS Interface (PIN 21) SC-EQ Board Special Quote English LCD and Keypad Display (std) Spanish LCD and Keypad Display French LCD and Keypad Display German LCD and Keypad Display...
  • Page 31 Form 201.23-NM2 Section 2 - Product description Issue date: 12/19/2023 Table 1 - Complete pin number description (cont'd) FEATURE DESCRIPTION OPTION DESCRIPTION No Flanges required Weld Flange Kit required Grooved Flange Kit required FLANGES Flanges (PIN 40) Weld Flange with Mating Flange Grooved Flange with Welded Mating Flange Special Flanges required No Flow Switch required...
  • Page 32 Form 201.23-NM2 Section 2 - Product description Issue date: 12/19/2023 Table 1 - Complete pin number description (cont'd) FEATURE DESCRIPTION OPTION DESCRIPTION Base, Material and Witness Documents Base Documents PIN 50 PIN 50 Base and Material Documents Base and Witness Documents Special Quote No option required PIN 51...
  • Page 33: Section 3 - Rigging, Handling, And Storage

    Form 201.23-NM2 Issue date: 12/19/2023 Section 3 - Rigging, handling, and storage LD19197 Rigging and lifting should only be done by a professional rigger in accordance with a written rig- ging and lifting plan. The most appropriate rigging and lifting method will depend on job specific factors, such as the rigging equipment available and site needs.
  • Page 34: Moving The Chiller

    Form 201.23-NM2 Issue date: 12/19/2023 Moving the chiller Lifting using lugs Before moving the unit, ensure that the installation site Units are provided with lifting holes in the base frame is suitable for installing the unit and is easily capable which accept the accessory lifting lug set as shown in of supporting the weight of the unit and all associated the figure below.
  • Page 35: Figure 8 - Unit Rigging

    Form 201.23-NM2 Section 3 - Rigging, handling, and storage Issue date: 12/19/2023 Unit rigging 2 COMPRESSOR 3 COMPRESSOR Figure 8 - Unit rigging LD18957 Table 2 - Lifting points dimensions LIFT POINTS DIMENSIONS TAKEN FROM (NOT ALL POINTS ON UNITS) 2 COMPRESSOR MODELS 60 HZ INCH...
  • Page 36 Form 201.23-NM2 Issue date: 12/19/2023 This page intentionally left blank. Johnson Controls...
  • Page 37: Section 4 - Installation

    Form 201.23-NM2 Issue date: 12/19/2023 Section 4 - Installation Location requirements Any ductwork or attenuators fitted to the unit must not have a total static pressure resistance, at full unit air- To achieve optimum performance and trouble-free flow, exceeding the capability of the fans installed in service, it is essential that the proposed installation the unit.
  • Page 38: Vibration Isolators

    150 psig (10 bar) working pres- level. sure and having a 1 in. N.P.T. connection can be ob- tained from YORK as an accessory for the unit. Alter- natively, a differential pressure switch fitted across an orifice plate may be used, preferably of the high/low limit type.
  • Page 39: Water Treatment

    Form 201.23-NM2 Section 4 - Installation Issue date: 12/19/2023 The chilled liquid pump(s) installed in the piping Evaporator heater mats are installed under the insula- system(s) should discharge directly into the unit cooler tion, and are powered from the chiller's control panel. section of the system.
  • Page 40: Pipework Arrangement

    Form 201.23-NM2 Section 4 - Installation Issue date: 12/19/2023 Pipework arrangement Option flanges One of two types of flanges may be fitted depending The following is a suggested piping arrangement for on the customer or local Pressure Vessel Code require- single unit installations.
  • Page 41: Ductwork Connection

    Form 201.23-NM2 Section 4 - Installation Issue date: 12/19/2023 Ductwork connection Electrical connection The following connection recommendations are in- General requirements tended to ensure safe and satisfactory operation of the The following ductwork recommendations are intend- unit. Failure to follow these recommendations could ed to ensure satisfactory operation of the unit.
  • Page 42: Power Wiring

    Form 201.23-NM2 Section 4 - Installation Issue date: 12/19/2023 Power wiring 115 VAC control supply transformer All electrical wiring should be carried out in accor- A 3-wire high voltage to 115 VAC supply transformer dance with local regulations. Route properly sized is standard in the chiller.
  • Page 43: Volts Free Contacts

    Form 201.23-NM2 Section 4 - Installation Issue date: 12/19/2023 Volts free contacts Remote run / stop A Remote Run/Stop input is available for each pair of Voltage free contacts are rated at 115 VAC, 100 VA re- systems (1/3 and 2/4). These inputs require a dry con- sistive load only.
  • Page 44 Form 201.23-NM2 Issue date: 12/19/2023 This page intentionally left blank. Johnson Controls...
  • Page 45: Section 5 - Commissioning

    To add oil to a circuit - connect a YORK hand oil pump (Part No. 470-10654-000) to the 1/4 in. oil charging Commission the unit using the detailed checks outlined...
  • Page 46: First Time Start-Up

    Form 201.23-NM2 Section 5 - Commissioning Issue date: 12/19/2023 Grounding Programmed options Verify that the unit’s protective ground terminal(s) are Verify that the options factory-programmed into the properly connected to a suitable grounding point. En- Micro Panel are in accordance with the customer’s sure that all unit internal ground connections are tight.
  • Page 47 Form 201.23-NM2 Section 5 - Commissioning Issue date: 12/19/2023 Unit switch As discharge pressure rises, the condenser fans operate Place the UNIT switch on the keypad to the ON position. in stages to control the pressure. Verify that the fans Start-up operate in the correct direction of rotation and opera- tion is correct for the type of unit.
  • Page 48 Form 201.23-NM2 Section 5 - Commissioning Issue date: 12/19/2023 Operation in sub-freezing conditions Unit maintenance and shutdown in sub- freezing conditions The YCIV may be operated in sub-freezing conditions if the following freeze protections are taken : If the YCIV is maintained or shut down and will be subjected to sub-freezing conditions, it is critical to A.
  • Page 49 In the unlikely event it is necessary to add oil, con- at high speeds for 10 min to 15 min. An oil level nect a YORK oil pump to the charging valve on the oil may not be visible in the sight glasses when the...
  • Page 50 Verify the the pump seals. factory-set overload potentiometers on the VSD Always fill the system with approved YORK coolant Logic Board are set correctly. In the unlikely event (P/N 013-03344-000) to avoid damage to the pump, that they are not set correctly, adjust the potenti- cooling system and the chiller.
  • Page 51 Program the Chilled Liquid Setpoint/Range and record: UNIT WARNING: OPTIMIZED EFFICIENCY Local Cooling Setpoint = _____________ °F (°C) DISABLED – CONTACT YORK REPRESENTATIVE Local Cooling Range = ______ to ______ °F (°C) Note: Changing the programming of this feature requires the date and time to be set on the chiller prior to programming.
  • Page 52 Form 201.23-NM2 Section 5 - Commissioning Issue date: 12/19/2023 Form 201.23-CL2 Issue date: 02/28/2022 E. Initial start-up After the control panel has been programmed and the com- The subcooling temperature of each system must be calcu- pressor heaters have been energized for at least 8 hrs (ambi- lated by recording the temperature of the liquid line at the ent temperature more than 96ºF (36ºC)) or 24 hrs (ambient outlet of the condenser and subtracting it from the recorded...
  • Page 53 Form 201.23-NM2 Section 5 - Commissioning Issue date: 12/19/2023 FORM 201.23-CL2 ISSUE DATE: 02/28/2022 Job name: _____________________________ Superheat Example: Sales order number: ______________________ Suction Temp = 46°F (8°C) Location: _____________________________ minus Suction Press 30 psig converted to Temp - 35°F (1°C) Sold by: ______________________________ 11°F (6°C) The suction temperature must be taken 6 in.
  • Page 54 Form 201.23-NM2 Issue date: 12/19/2023 This page intentionally left blank. Johnson Controls...
  • Page 55: Section 6 - Technical Data

    Form 201.23-NM2 Issue date: 12/19/2023 Section 6 - Technical data Water pressure drop charts English units Pressure Drop Through Two Circuit YCIV Evaporators 1000 Water Flow Rate (GPM) Excessive flow, above the max. GPM, will Model number YCIV Cooler damage the evaporator. 60 Hz 0157(S/P/H) 0157(E/V)
  • Page 56: Figure 13 - Pressure Drop Through Two Circuit Yciv Evaporators Kpa

    Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 Water pressure drop charts (cont'd) SI units Pressure Drop Through Two Circuit YCIV Evaporators Water Flow Rate (l/s) Excessive flow, above the max. GPM, will Model number YCIV Cooler damage the evaporator. 60 Hz 0157(S/P/H) 0157(E/V)
  • Page 57: Figure 14 - Pressure Drop Through Three Circuit Yciv Evaporators Ft H

    Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 Water pressure drop charts (cont'd) English units Pressure Drop Through Three Circuit YCIV Evaporators Pressure Drop Through Three Circuit YCIV Evaporators 1000 2000 Water Flow Rate (GPM) Excessive flow, above the max. GPM, will Model number YCIV Evaporator damage the evaporator.
  • Page 58: Figure 15 - Pressure Drop Through Three Circuit Yciv Evaporators Kpa

    Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 Water pressure drop charts (cont'd) SI units Pressure Drop Through Three Circuit YCIV Evaporators Pressure Drop Through Three Circuit YCIV Evaporators 1000 10.0 100.0 Water Flow Rate (l/s) Excessive flow, above the max. GPM, will Model number YCIV Evaporator damage the evaporator.
  • Page 59: Glycol Correction Factors

    Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 Glycol correction factors The cooler is designed in accordance with ARI-590- GLYCOL CORRECTION FACTORS The cooler is designed in accordance with ARI- 92 which allows for an increase in pressure drop of ETHYLENE GLYCOL 590-92 which allows for an increase in pressure up to 15% above the design value shown on Pages 63...
  • Page 60: Table 3 - Water Temperature And Flows

    Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 Water temperature and flows (English units) Table 3 - Water temperature and flows LEAVING WATER COOLER flow MODEL num- AIR ON CONDENSER (°F) TEMPERATURE (°F) (GPM) YCIV MIN. MAX. MIN. MAX.
  • Page 61 Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 Water temperature and flows (cont'd) (SI units) Table 3 - Water temperatures and flows (cont'd) LEAVING WATER COOLER flow MODEL AIR ON CONDENSER (°C) TEMPERATURE (°C) (l/s) number YCIV MIN. MAX.
  • Page 62: Table 4 - Physical Data, English - Standard Efficiency

    Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 Physical data (English - standard efficiency) Table 4 - Physical data, English - standard efficiency STANDARD EFFICIENCY Refrigerant R-134a MODEL NUMBER (YCIV____ S/P/H) General Unit Data 60 Hz 0157 0177 0187 0207 0227...
  • Page 63 Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 Physical data (English - standard efficiency) (cont'd) Table 4 - Physical data, English - standard efficiency (cont'd) STANDARD EFFICIENCY Refrigerant R-134a MODEL NUMBER (YCIV____ S/P/H) General Unit Data 60 Hz 0287 0307 0357...
  • Page 64: Table 5 - Physical Data (English - High Efficiency)

    Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 Physical data (English - high efficiency) Table 5 - Physical data (English - high efficiency) HIGH EFFICIENCY Refrigerant R-134a MODEL NUMBER (YCIV____ E/V) General Unit Data 60 Hz 0157 0177 0187 0197 0207...
  • Page 65 Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 Physical data (English - high efficiency) (cont'd) Table 5 - Physical data, English - high efficiency (cont'd) HIGH EFFICIENCY Refrigerant R-134a MODEL NUMBER (YCIV____ E/V) General Unit Data 60 Hz 0267 0287 0327...
  • Page 66: Table 6 - Physical Data, Si - Standard Efficiency

    Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 Physical data (SI - standard efficiency) Table 6 - Physical data, SI - standard efficiency STANDARD EFFICIENCY Refrigerant R-134a MODEL NUMBER (YCIV____ S/P/H) General Unit Data 60 Hz 0157 0177 0187 0207 0227...
  • Page 67 Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 Physical data (SI - standard efficiency) (cont'd) Table 6 - Physical data, SI - standard efficiency (cont'd) STANDARD EFFICIENCY Refrigerant R-134a MODEL NUMBER (YCIV____ S/P/H) General Unit Data 60 Hz 0287 0307 0357...
  • Page 68: Table 7 - Physical Data (Si - High Efficiency)

    Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 Physical data (SI - high efficiency) Table 7 - Physical data (SI - high efficiency) HIGH EFFICIENCY Refrigerant R-134a MODEL NUMBER (YCIV____ E/V) General Unit Data 60 Hz 0157 0177 0187 0197 0207...
  • Page 69 Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 Physical data (SI - high efficiency) (cont'd) Table 7 - Physical data, SI - high efficiency (cont'd) HIGH EFFICIENCY Refrigerant R-134a MODEL NUMBER (YCIV____ E/V) General Unit Data 60 Hz 0267 0287 0327...
  • Page 70: Figure 17 - Two Compressor Wiring Diagram With Circuit Breaker

    Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 Electrical data 2 compressor power wiring connections 2 COMPRESSOR POWER WIRING CONNECTIONS VSD CONTROL PANEL STANDARD UNIT CONTROLS CONTROL TRANSFORMER EVAPORATOR HEATER CONTACTORS LINE REACTOR CIRCUIT BREAKER See Note 3 FIELD PROVIDED UNIT POWER SUPPLY...
  • Page 71: Figure 19 - Three Compressor Wiring Diagram With Circuit Breaker - Single Point

    Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 Electrical data (cont'd) 3 compressor power wiring connections 3 COMPRESSOR POWER WIRING CONNECTIONS VSD CONTROL PANEL STANDARD UNIT CONTROLS CONTROL TRANSFORMER EVAPORATOR HEATER CONTACTORS LINE REACTOR CIRCUIT BREAKER See Note 3 FIELD PROVIDED UNIT POWER SUPPLY...
  • Page 72: Table 8 - Standard Efficiency 2-Compressor Units

    Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 Standard efficiency 2-compressor units One Field Provided Power Supply Circuit. Field Connections to Factory provided Terminal Block (Standard); or Individual System Breakers (Optional). Table 8 - Standard efficiency 2-compressor units Standard Efficiency YCIV_ _ _ _ S/P/H System 1 Model No./Nameplate...
  • Page 73 Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 Standard efficiency 2-compressor units (cont'd) One Field Provided Power Supply Circuit. Field Connections to Factory provided Terminal Block (Standard); or Individual System Breakers (Optional). Table 8 - Standard efficiency 2-compressor units (cont'd) Standard Efficiency YCIV_ _ _ _ S/P/H System 2 Std.
  • Page 74 Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 Standard efficiency 2-compressor units (cont'd) Table 8 - Standard efficiency 2-compressor units (cont'd) Standard Efficiency YCIV_ _ _ _ S/P/H Field Wiring Lugs Model No./Nameplate OPT Circuit Breaker STD Terminal Block STD Terminal Block OPT Circuit Breaker Std.,...
  • Page 75 Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 This page intentionally left blank. Johnson Controls...
  • Page 76: Table 9 - High Efficiency 2-Compressor Units

    FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 4/6/2018 High efficiency 2-compressor units One Field Provided Power Supply Circuit. Field Connections to Factory provided Terminal Block (Standard); or Individual System Breakers (Optional). Table 9 - High efficiency 2-compressor units High Efficiency YCIV_ _ _ _ E/V System 1 Model No./Nameplate...
  • Page 77 Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 High efficiency 2-compressor units (cont'd) One Field Provided Power Supply Circuit. Field Connections to Factory provided Terminal Block (Standard); or Individual System Breakers (Optional). Table 9 - High efficiency 2-compressor units (cont'd) High Efficiency YCIV_ _ _ _ E/V System 2 Std.
  • Page 78 Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 High efficiency 2-compressor units (cont'd) Table 9 - High efficiency 2-compressor units (cont'd) High Efficiency YCIV_ _ _ _ E/V Field Wiring Lugs Model No./Nameplate STD Terminal OPT Circuit STD Terminal OPT Circuit Break- Block Std., Breaker Std.,...
  • Page 79 Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 This page intentionally left blank. Johnson Controls...
  • Page 80 Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 Standard efficiency 3-compressor units One Field Provided Power Supply Circuit. Field Connections to Factory provided Terminal Block (Standard); or Individual System Breakers (Optional). Table 10 - Standard efficiency 3-compressor units System 1 System 2 Model No./Nameplate...
  • Page 81: Table 10 - Standard Efficiency 3-Compressor Units

    Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 Standard efficiency 3-compressor units (cont'd) (One Field Provided Power Supply Circuit. Field Connections to Factory provided Terminal Block (Standard); or Individual System Breakers (Optional). Table 10 - Standard efficiency 3-compressor units (cont'd) System 2 System 3 High Head/Static...
  • Page 82: Table 11 - High Efficiency 3-Compressor Units

    Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 High efficiency 3-compressor units (One Field Provided Power Supply Circuit. Field Connections to Factory provided Terminal Block (Standard); or Individual System Breakers (Optional). Table 11 - High efficiency 3-compressor units System 1 System 2 Model No./Nameplate...
  • Page 83 Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 High efficiency 3-compressor units (cont'd) (One Field Provided Power Supply Circuit. Field Connections to Factory provided Terminal Block (Standard); or Individual System Breakers (Optional). Table 11 - High efficiency 3-compressor units (cont'd) System 2 System 3 High Head/Static...
  • Page 84: Electrical Notes

    RLA’s plus the sum of all con- 8. System inrush current is less than RLA due to the denser fan FLA’s per NEC 440.33 use of York Variable Speed Drive technology. Table 12 - Typical Compressor Starting Current (First Four Seconds Of Start-Up) Rated Voltage...
  • Page 85 Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 This page intentionally left blank. Johnson Controls...
  • Page 86: Electrical Wiring Diagrams - 2 Compressor Models

    Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 Electrical wiring diagrams - 2 compressor models LD26907 Figure 21 - Elementary control wiring diagram 2 compressor models Johnson Controls...
  • Page 87 Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 035-19905-001 REV K, SHT.1 LD26908 Figure 21 - Elementary control wiring diagram 2 compressor models (cont'd) Johnson Controls...
  • Page 88: Figure 22 - Elementary Power Wiring Diagram - Yciv0157-0267 2 Compressor Models

    Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 Elementary power wiring diagram LD26909 LD13678 Figure 22 - Elementary power wiring diagram - YCIV0157-0267 2 compressor models Johnson Controls...
  • Page 89 Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 035-19905-002 REV J, SHT.1 LD26910 LD13679 Figure 22 - Elementary power wiring diagram - YCIV0157-0267 2 compressor models (cont'd) Johnson Controls...
  • Page 90: Figure 23 - Power Wiring Connection Diagram - Yciv0157-0267 2 Compressor Models

    Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 Power wiring connection diagram LD26912 Figure 23 - Power wiring connection diagram - YCIV0157-0267 2 Compressor Models Johnson Controls...
  • Page 91 Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 035-19905-004 REV L, SHT. 1 LD26911 Figure 23 - Power wiring Connection diagram - YCIV0157-0267 2 compressor models (cont'd) Johnson Controls...
  • Page 92: Figure 24 - Control Wiring Connection Diagram - Yciv0157-0267 2 Compressor Models

    Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 Control wiring connection diagram LD26913 Figure 24 - Control wiring connection diagram - YCIV0157-0267 2 compressor models Johnson Controls...
  • Page 93 Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 035-19905-003 REV L, SHT. 1 LD26914 Figure 24 - Control wiring connection diagram - YCIV0157-0267 2 compressor models (cont'd) Johnson Controls...
  • Page 94 Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 035-19905-003 REV L, SHT. 1 LD26921 Figure 24 - Control wiring connection diagram - YCIV0157-0267 2 compressor models (cont'd) Johnson Controls...
  • Page 95: Figure 25 - Power Elementary Wiring Diagram - Yciv0157-0267 2 Compressor Models

    Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 Power elementary wiring diagram LD13081 Figure 25 - Power elementary wiring diagram - YCIV0157-0267 2 compressor models Johnson Controls...
  • Page 96 Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 LD13082 Figure 25 - Power elementary wiring diagram - YCIV0157-0267 2 compressor models (cont'd) Johnson Controls...
  • Page 97: Figure 26 - Location Label - 2 Compressor Models

    Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 Location label - 2 compressor models Figure 26 - Location label - 2 compressor models LD10519 Johnson Controls...
  • Page 98: Figure 27 - Panel Layout - 2 Compressor Models

    Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 Panel layout - 2 compressor models Figure 27 - Panel layout - 2 compressor models Johnson Controls...
  • Page 99 Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 This page intentionally left blank. Johnson Controls...
  • Page 100: Electrical Wiring Diagrams - 3 Compressor Models

    Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 Electrical wiring diagrams - 3 compressor models LD26915 Figure 28 - Control elementary diagram - YCIV0257-0397 3 compressor models Johnson Controls...
  • Page 101 Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 035-20326-001 REV I, SHT. 1 LD26916 Figure 28 - Control elementary diagram - YCIV0257-0397 3 compressor models (cont'd) Johnson Controls...
  • Page 102 Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 LD26917 Figure 28 - Control elementary diagram - YCIV0257-0397 3 compressor models (cont'd) Johnson Controls...
  • Page 103 Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 035-20326-002 REV H, SHT.1 LD26918 Figure 28 - Control elementary diagram - YCIV0257-0397 3 compressor models (cont'd) Johnson Controls...
  • Page 104: Figure 29 - Power Elementary Diagram - Yciv0257-0397 3 Compressor Models

    Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 Power elementary diagram LD26919 Figure 29 - Power elementary diagram - YCIV0257-0397 3 compressor models Johnson Controls...
  • Page 105 Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 035-23260-003 REV F, SHT. 1 LD26920 Figure 29 - Power elementary diagram - YCIV0257-0397 3 compressor models (cont'd) Johnson Controls...
  • Page 106: Figure 30 - Control Wiring Connection Diagram - Yciv0257-0397 3 Compressor Models

    Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 Control wiring connection diagram LD13090 Figure 30 - Control wiring connection diagram - YCIV0257-0397 3 compressor models Johnson Controls...
  • Page 107 Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 LD13091 Figure 30 - Control wiring connection diagram - YCIV0257-0397 3 compressor models (cont'd) Johnson Controls...
  • Page 108 Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 LD13092 Figure 30 - Control wiring connection diagram - YCIV0257-0397 3 compressor models (cont'd) Johnson Controls...
  • Page 109 Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 This page intentionally left blank. Johnson Controls...
  • Page 110: Figure 31 - Power Wiring Connection Diagram - Yciv1050-1500 3 Compressor Models

    Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 Power wiring connection diagram LD26922 Figure 31 - Power wiring connection diagram - YCIV1050-1500 3 compressor models Johnson Controls...
  • Page 111 Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 035-20326-005 REV H, SHT.1 LD26923 Figure 31 - Power wiring connection diagram - YCIV1050-1500 3 compressor models (cont'd) Johnson Controls...
  • Page 112: Figure 32 - Power Elementary Diagram - Yciv0257-0397 3 Compressor Models

    Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 Power elementary diagram LD13097 Figure 32 - Power elementary diagram - YCIV0257-0397 3 compressor models Johnson Controls...
  • Page 113 Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 LD13098 Figure 32 - Power elementary diagram - YCIV0257-0397 3 compressor models (cont'd) Johnson Controls...
  • Page 114: Figure 33 - Location Label - 3 Compressor Models

    Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 Location label - 3 compressor models LD13096 Figure 33 - Location label - 3 compressor models Johnson Controls...
  • Page 115: Figure 34 - Panel Layout - 3 Compressor Models

    Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 Panel layout - 3 compressor models LD13099 Figure 34 - Panel layout - 3 compressor models Johnson Controls...
  • Page 116: Dimensions - 2 And 3 Compressor Si

    Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 Dimensions - 2 and 3 compressor SI Models YCIV0157E/V and YCIV0157S/P/H CONTROL ENTRY 3" WIDE X 13 1/2" HIGH 1 1/2" POWER ENTRY POWER ENTRY 10" WIDE X 13" 10" WIDE X 13" HIGH 4"...
  • Page 117: Figure 36 - Dimensions, 2 And 3 Compressor English, Yciv0157E/V And Yciv0157S/P/H

    Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 Dimensions - 2 and 3 compressor English 5/8" MOUNTING HOLES (TYP) ORIGIN 60" 14 1/8" 1 5/16" (TYP) 101 5/8" 50" 50 5/16" 9 1/8" VIEW D-D 93 15/16" 45 5/16" 10"...
  • Page 118: Figure 37 - Dimensions, 2 And 3 Compressor English, Yciv0177E/V, Yciv0177S/P/H, Yciv0187E/V, And

    Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 Dimensions - 2 and 3 compressor English (cont'd) Models YCIV0177E/V, YCIV0177S/P/H, YCIV0187E/V and YCIV0187S/P/H CONTROL ENTRY 3" WIDE X 13 1/2" HIGH 1 1/2" POWER ENTRY 4" 10" WIDE X 13" HIGH POWER ENTRY 10"...
  • Page 119 Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 Dimensions - 2 and 3 compressor English (cont'd) 5/8" MOUNTING HOLES (TYP) 60" 14 1/8" 1 5/16" (TYP) 69 11/16" 86 5/16" 50" 50 5/16" 9 1/8" VIEW D-D 93 15/16" 45 5/16"...
  • Page 120: Figure 38 - Dimensions, 2 And 3 Compressor English, Yciv0197E/V, Yciv0207S/P/H, And Yciv0227S/P/H

    Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 Dimensions - 2 and 3 compressor English (cont'd) Models YCIV0197E/V, YCIV0207S/P/H, and YCIV0227S/P/H CONTROL ENTRY 3" WIDE X 13 1/2" HIGH 1 1/2" POWER ENTRY 4" 10" WIDE X 13" HIGH POWER ENTRY 10"...
  • Page 121 Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 Dimensions - 2 and 3 compressor English (cont'd) 5/8" MOUNTING HOLES (TYP) 60" 14 1/8" 1 5/16" (TYP) 69 11/16" 86 5/16" 50" 50 5/16" 9 1/8" VIEW D-D 93 15/16" 45 5/16"...
  • Page 122: Figure 39 - Dimensions, 2 And 3 Compressor English, Yciv0207E/V And Yciv0227E/V

    Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 Dimensions - 2 and 3 compressor English (cont'd) Models YCIV0207E/V and YCIV0227E/V CONTROL ENTRY CONTROL ENTRY 3" WIDE X 13 1/2" HIGH 3" WIDE X 13-1/2" HIGH 1 1/2" POWER ENTRY 10"...
  • Page 123 Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 Dimensions - 2 and 3 compressor English (cont'd) 5/8" MOUNTING HOLES (TYP) ORIGIN 60" 1 5/16" (TYP) 14 1/8" 37 13/16" 60" 49 3/16" 64 3/16" 50 5/16" 9 1/8" VIEW D-D 93 15/16"...
  • Page 124: Figure 40 - Dimensions, 2 And 3 Compressor English, Yciv0247S/P/H, Yciv0247E/V, And Yciv0267S/P/H

    Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 Dimensions - 2 and 3 compressor English (cont'd) Models YCIV0247S/P/H, YCIV0247E/V, and YCIV0267S/P/H CONTROL ENTRY 3" WIDE X 13 1/2" HIGH 1 1/2" POWER ENTRY 10" WIDE X 13" HIGH 4"...
  • Page 125 Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 Dimensions - 2 and 3 compressor English (cont'd) 5/8" MOUNTING HOLES (TYP) ORIGIN 60" 1 5/16" (TYP) 14 1/8" 37 13/16" 60" 49 3/16" 64 3/16" 9 1/8" 50 5/16" VIEW D-D 93 15/16"...
  • Page 126: Figure 41 - Dimensions, 2 And 3 Compressor English, Yciv0267E/V, And Yciv0287S/P/H

    Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 Dimensions - 2 and 3 compressor English (cont'd) Models YCIV0267E/V, and YCIV0287S/P/H CONTROL ENTRY 3" WIDE X 13 1/2" HIGH 1 1/2" POWER ENTRY 4" 10" WIDE X 13" HIGH VIEW B-B 12"...
  • Page 127 Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 Dimensions - 2 and 3 compressor English (cont'd) 3/4" MOUNTING HOLES (TYP) ORIGIN 70" 1 5/16" (TYP) 9 1/8" 7 5/8" 83 1/8" 80 3/16" 93 5/8" 53" 49" 9 1/8" 93 15/16"...
  • Page 128: Figure 42 - Dimensions, 2 And 3 Compressor English, Yciv0287E/V

    Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 Dimensions - 2 and 3 compressor English (cont'd) Models YCIV0287E/V CONTROL ENTRY 3" WIDE X 13 1/2" HIGH 1 1/2" POWER ENTRY 4" 10" WIDE X 13" HIGH VIEW B-B 1 3/4"...
  • Page 129 Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 Dimensions - 2 and 3 compressor English (cont'd) 3/4" MOUNTING HOLES (TYP) ORIGIN 70" 1 5/16" (TYP) 9 1/8" 7 5/8" 19" 50" 9 1/8" 53 3/8" 99" 50 5/16" 76"...
  • Page 130: Figure 43 - Dimensions, 2 And 3 Compressor English, Yciv0307S/P/H

    Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 Dimensions - 2 and 3 compressor English (cont'd) Models YCIV0307S/P/H CONTROL ENTRY 3" WIDE X 13 1/2" HIGH 1 1/2" POWER ENTRY 10" WIDE X 13" HIGH 4" VIEW B-B 1 3/4"...
  • Page 131 Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 Dimensions - 2 and 3 compressor English (cont'd) 3/4" MOUNTING HOLES (TYP) ORIGIN 70" 1 5/16" (TYP) 9 1/8" 7 5/8" 83 1/8" 80 3/16" 93 5/8" 53" 49" 9 1/8" 93 15/16"...
  • Page 132: Figure 44 - Dimensions, 2 And 3 Compressor English, Yciv0327E/V And Yciv0357S/P/H

    Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 Dimensions - 2 and 3 compressor English (cont'd) Models YCIV0327E/V and YCIV0357S/P/H CONTROL ENTRY 3" WIDE X 13 1/2" HIGH 1 1/2" POWER ENTRY POWER ENTRY 10" WIDE X 13" HIGH 4"...
  • Page 133 Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 Dimensions - 2 and 3 compressor English (cont'd) 3/4" MOUNTING HOLES (TYP) ORIGIN 70" 1 5/16" (TYP) 9 1/8" 6 7/8" 74 1/8" 50" 9 1/8" 53 3/8" 99" 50 5/16" 76"...
  • Page 134: Figure 45 - Dimensions, 2 And 3 Compressor English, Yciv0357E/V And Yciv0397S/P/H

    Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 Dimensions - 2 and 3 compressor English (cont'd) Models YCIV0357E/V and YCIV0397S/P/H CONTROL ENTRY 3" WIDE X 13 1/2" HIGH 1 1/2" POWER ENTRY POWER ENTRY 10" WIDE X 13" 4"...
  • Page 135 Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 Dimensions - 2 and 3 compressor English (cont'd) 3/4" MOUNTING HOLES (TYP) ORIGIN 70" 1 5/16" (TYP) 9 1/8" 6 7/8" 19" 112 11/16" 76" 50" 50 5/16" 9 1/8" 53 3/8"...
  • Page 136: Clearances

    Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 Clearances (2 m) (1.3 m) LD10506A Figure 46 - Clearances NOTES: 1. No obstructions allowed above the unit. 2. Only one adjacent wall may be higher than the unit 3. Adjacent units should be 10 feet (3 meters) apart. Johnson Controls...
  • Page 137: Isolator Information For Units Shipped On Or After June 15, 2008

    Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 Isolator information for units shipped on or after June 15, 2008 Isolator selection and mounting standard efficiency, english Figure 47 - Isolator selection and mounting locations Table 14 - Isolator locations and point loads Isolator Locations (x, y) - in.
  • Page 138: Figure 48 - Isolator Selection And Mounting Locations

    Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 Standard efficiency, English (cont'd) Figure 48 - Isolator selection and mounting locations Table 14 - Isolator locations and point loads (cont'd) Isolator Locations (x, y) - in. and Point Loads - lb YCIV LEFT - L (9.1, 86.8) (59.4, 86.8) (109.4, 86.8) (195.7, 86.8) (265.4, 86.8)
  • Page 139: Figure 49 - Isolator Selection And Mounting Locations

    Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 Standard efficiency, English (cont'd) Figure 49 - Isolator selection and mounting locations Table 14 - Isolator locations and point loads (cont'd) Isolator Locations (x, y) - in. and Point Loads - lb YCIV LEFT - L (9.1, 86.8) (59.4, 86.8) (97.2, 86.8) (161.4, 86.8) (210.6, 86.8) (307.9, 86.8)
  • Page 140: Figure 50 - Isolator Selection And Mounting Locations

    Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 Standard efficiency, English (cont'd) Figure 50 - Isolator selection and mounting locations Table 14 - Isolator locations and point loads (cont'd) Isolator Locations (x, y) - in. and Point Loads - lb YCIV (411.9, LEFT - L...
  • Page 141: Figure 51 - Isolator Selection And Mounting Locations

    Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 High efficiency, English Figure 51 - Isolator selection and mounting locations Table 14 - Isolator locations and point loads (cont'd) Isolator Locations (x, y) - in. and Point Loads - lb YCIV LEFT - L (9.1, 86.8) (59.4, 86.8) (109.4, 86.8) (211, 86.8)
  • Page 142: Figure 52 - Isolator Selection And Mounting Locations

    Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 High efficiency, English (cont'd) Figure 52 - Isolator selection and mounting locations Table 14 - Isolator locations and point loads (cont'd) Isolator Locations (x, y) - in. and Point Loads - lb YCIV LEFT - L (9.1, 86.8) (59.4, 86.8) (109.4, 86.8) (195.7, 86.8) (265.4, 86.8)
  • Page 143: Figure 53 - Isolator Selection And Mounting Locations

    Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 High efficiency, English (cont'd) Figure 53 - Isolator selection and mounting locations Table 14 - Isolator locations and point loads (cont'd) Isolator Locations (x, y) - in. and Point Loads - lb YCIV LEFT - L (9.1, 86.8) (59.4, 86.8) (97.2, 86.8) (161.4, 86.8) (210.6, 86.8) (307.9, 86.8)
  • Page 144: Figure 54 - Isolator Selection And Mounting Locations

    Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 High efficiency, English (cont'd) Figure 54 - Isolator selection and mounting locations Table 14 - Isolator locations and point loads (cont'd) Isolator Locations (x, y) - in. and Point Loads - lb YCIV LEFT - L (9.1, 86.8) (59.4, 86.8) (109.4, 86.8) (185.4, 86.8) (284.4, 86.8) (358.5, 86.8) (411.9, 86.8)
  • Page 145 Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 Standard efficiency, SI Figure 55 - Isolator selection and mounting locations Table 14 - Isolator locations and point loads (cont'd) Isolator Locations (x, y) - mm. and Point Loads - kg YCIV LEFT - L (230, 2204) (1510, 2204) (2780, 2204) (5360, 2204)
  • Page 146: Figure 56 - Isolator Selection And Mounting Locations

    Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 Standard efficiency, SI (cont'd) Figure 56 - Isolator selection and mounting locations Table 14 - Isolator locations and point loads (cont'd) Isolator Locations (x, y) - mm. and Point Loads - kg YCIV LEFT - L (230, 2204) (1510, 2204) (2780, 2204) (4970, 2204) (6740, 2204)
  • Page 147: Figure 57 - Isolator Selection And Mounting Locations

    Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 Standard efficiency, SI (cont'd) Figure 57 - Isolator selection and mounting locations Table 14 - Isolator locations and point loads (cont'd) Isolator Locations (x, y) - mm. and Point Loads - kg YCIV LEFT - L (230, 2204) (1510, 2204) (2470, 2204) (4100, 2204) (5350, 2204) (7820, 2204)
  • Page 148: Figure 58 - Isolator Selection And Mounting Locations

    Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 Standard efficiency, SI (cont'd) Figure 58 - Isolator selection and mounting locations Table 14 - Isolator locations and point loads (cont'd) Isolator Locations (x, y) - mm. and Point Loads - kg YCIV (10463, LEFT - L...
  • Page 149: Figure 59 - Isolator Selection And Mounting Locations

    Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 High efficiency, SI Figure 59 - Isolator selection and mounting locations Table 14 - Isolator locations and point loads (cont'd) Isolator Locations (x, y) - mm. and Point Loads - kg YCIV LEFT - L (230, 2204) (1510, 2204) (2780, 2204) (5360, 2204)
  • Page 150: Figure 60 - Isolator Selection And Mounting Locations

    Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 High efficiency, SI (cont'd) Figure 60 - Isolator selection and mounting locations Table 14 - Isolator locations and point loads (cont'd) Isolator Locations (x, y) - mm. and Point Loads - kg YCIV LEFT - L (230, 2204) (1510, 2204) (2780, 2204) (4970, 2204) (6740, 2204)
  • Page 151: Figure 61 - Isolator Selection And Mounting Locations

    Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 High efficiency, SI (cont'd) Figure 61 - Isolator selection and mounting locations Table 14 - Isolator locations and point loads (cont'd) Isolator Locations (x, y) - mm. and Point Loads - kg YCIV LEFT - L (230, 2204) (1510, 2204) (2470, 2204) (4100, 2204) (5350, 2204) (7820, 2204)
  • Page 152: Figure 62 - Isolator Selection And Mounting Locations

    Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 High efficiency, SI (cont'd) Figure 62 - Isolator selection and mounting locations Table 14 - Isolator locations and point loads (cont'd) Isolator Locations (x, y) - mm. and Point Loads - kg YCIV LEFT - L (230, 2204) (1510, 2204) (2780, 2204) (4710, 2204) (7225, 2204) (9105, 2204) (10463, 2204)
  • Page 153: Table 15 - Isolator Cross Reference

    Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 Isolator cross reference Table 15 - Isolator cross reference Old part number Mason New part number The VMC 029-24583-002 CIP-B-450 RED 029-25334-002 CP-1D-510 BLACK 029-24583-003 CIP-B-750 WHITE 029-25334-003 CP-1D-900 DK GREEN 029-24583-004 CIP-B-1000 BLUE 029-25334-004...
  • Page 154: Figure 63 - One Inch Deflection Isolator Specifications

    7-3/4 9/16 Table 17 - One inch deflection isolator weights RATED CAPACITY (For units with all load points less than 1785 lb (810 kg) VENDOR P/N COLOR YORK P/N Up to 434 Up to 197 CP-1D-510 BLACK 029-25334-002 435–765 198–347...
  • Page 155: Figure 64 - One Inch Deflection Isolator

    Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 One inch deflection spring isolators installation instructions Units shipped on or after June 15, 2008 1. Read instructions in their entirety before begin- 5. Place equipment on top of isolators making sure ning installation.
  • Page 156: Figure 65 - Durulene Isolator Specifications

    0.38 1/2-13 UNC X 1 3.00 Table 19 - Durulene isolator weights * WEIGHT RANGE (LB) * WEIGHT RANGE (KG) VENDOR P/N COLOR YORK P/N Up to 825 Up to 374 RD-3 CHARCOAL-WR CHARCOAL 029-25335-001 826–1688 375–766 RD-4 BRICK RED-WR...
  • Page 157: Figure 66 - Durulene Isolator

    Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 Installation of Durulene vibration isolators Units shipped on or after June 15, 2008 1. Read instructions in their entirety before begin- 4. Bolt or anchor all isolators to supporting structure ning installation.
  • Page 158: Figure 67 - Seismic Isolator Specifications

    5. REFER TO PAGE FOR INSTALLATION INSTRUCTIONS. 6. CONSULT FACTORY FOR CONCRETE INSTALLATION. Table 20 - Seismic isolator weights * WEIGHT RANGE (LB) * WEIGHT RANGE (KG) VENDOR P/N COLOR YORK P/N Up to 391 Up to 177 Y2RSI-2D-460 GREEN 029-25336-006 392–604 178–274...
  • Page 159: Figure 68 - Seismic Isolator

    Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 Seismic isolator installation and adjustment Units shipped on or after June 15, 2008 1. Read instructions in their entirety before begin- of (2) 5/8 UNC A325 grade 5 SAE bolts or weld ning installation.
  • Page 160: Isolator Information For Units Shipped Before June 15, 2008

    Figure 69 - SLRS seismic isolator specifications Table 21 - SLRS seismic isolator weights PIN 54 = S *Weight Range (lb) *Weight Range (kg) Vendor P/N COLOR YORK P/N Up to 358 Up to 162 SLRS-2-C2-420 029-24585-006 358–442 162–201 SLRS-2-C2-520...
  • Page 161 Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 SLRS seismic isolator installation and adjustment UNITS SHIPPED BEFORE JUNE 15, 2008 To Install and Adjust Mounts a 1/8 in. gap between the bolt head and the steel 1. Supports for mountings must be leveled to instal- washer.
  • Page 162: Figure 71 - Nd-X Neoprene Isolator Specifications

    127.0 1/2-13x1" ND-DS 85.7 69.9 158.8 101.6 127.0 1/2-13x1" PIN 54 = N **Weight Range (lb) **Weight Range (kg) COLOR YORK P/N YORK P/N Up to 751 Up to 341 ND-C Yellow 029-24584-001 751–1651 341–749 ND-D Yellow 029-24584-002 1651–3226 749–1463...
  • Page 163: Figure 72 - Cip 1 In. Delfection Restrained Mounting Specifications

    Table 23 - CIP 1 in. deflection restrained mounting specifications PIN 54 = 1 (See note below) For Units With All Load Points Less than 1404 LB (637 KG) *Weight Range (lb) *Weight Range (kg) Vendor P/N Color YORK P/N 239–384 108–174 CIP-B-450 029-24583-002 384–639 174–290...
  • Page 164: Figure 73 - 1 In. Delfection Mounts

    Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 Installation of 1" deflection mounts UNITS SHIPPED BEFORE JUNE 15, 2008 Illustration shows single spring CIP-B or CIP-C mount. Mounting may be EQUIPMENT BASE operated 1/2" above Free & Operating Dowel Pin is 3/8"...
  • Page 165: Refrigerant Flow Diagram

    Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 Refrigerant flow diagram OIL COOLER COIL CONDENSOR COIL FLASH TANK COMPRESSOR SEPARATOR EVAPORATOR Low Pressure Liquid Low Pressure Vapor High Pressure Vapor High Pressure Liquid Medium Pressure Vapor Angle Stop Valve S - Air Entering Compressor Stopper Motor Valve R-134a -...
  • Page 166: Process And Instrumentation Diagram

    Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 Process and instrumentation diagram OIL COOLER COIL CONDENSOR COIL FLOW COMP EVAPORATOR CHILLER WATER FLOW SYSTEM COMPONENTS MAJOR COMPONENTS MICROPROCESSOR CONTROL FUNCTIONS STEPPER MOTOR VALVE CHILLED LIQUID THERMOSTAT COMP COMPRESSOR SOLENOID VALVE SEPARATOR DIFFERENTIAL PRESSURE CUTOUT...
  • Page 167: Component Locations

    Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 Component locations CHILLER & DISPLAY ELECTRICAL PANEL FANS KEYPAD/DISPLAY PANEL DOOR CONDENSER COIL FILTER DRIER COMPRESSOR MUFFLERS LD13121 Figure 76 - Component locations Johnson Controls...
  • Page 168: Figure 77 - Control And Vsd Cabinet Components

    Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 Component locations (cont'd) LD10578 Figure 77 - Control and VSD cabinet components Johnson Controls...
  • Page 169: Figure 78 - Chiller Control Board, Relay Boards, Microgateway, And Optional Circuit Breaker

    Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 Component locations (cont'd) CHILLER MICROGATEWAY CONTROL (OPTIONAL) BOARD RELAY BOARD #1 LD10579 OPTIONAL RELAY BOARD #2 CIRCUIT BREAKER (Standard Unit will have terminal blocks.Input power to the chiller will be connected here (see Figures.-31 and 32)).
  • Page 170: Figure 79 - Chiller Control Board, Relay Boards, And Microgateway, 2 Compressor

    Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 Component locations (cont'd) CHILLER MICROGATEWAY CONTROL (OPTIONAL) RELAY BOARD #1 BOARD CLOCK JUMPER (CLK) RELAY BOARD #2 RS-232/485 JUMPER JP4, JP5, & JP6 LD10580 ▼ ▼ • • • ▲ ▲...
  • Page 171: Figure 80 - Chiller Control Board, Relay Boards, And Microgateway, 3 Compressor

    Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 Component locations (cont'd) CHILLER CONTROL BOARD RELAY BOARD #3 RELAY BOARD #1 RELAY BOARD #2 JP4, JP5, & JP6 MICROGATEWAY 50069 (OPTIONAL) ▼ ▼ • • • ▲ ▲ JUMPER POSITION Figure 80 - Chiller control board, relay boards, and microgateway, 3 compressor Johnson Controls...
  • Page 172: Figure 81 - Vsd Logic Board

    Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 Component locations (cont'd) LOGIC BOARD SCR TRIGGER BOARD LD10582 Figure 81 - VSD logic board Johnson Controls...
  • Page 173: Figure 82 - Vsd Logic Board (Original - Obsolete), P/N 031-02477-000

    Component locations (cont'd) (COMPR 4 Over Load Adjust) (COMPR 3 Over Load Adjust) (COMPR 2 Over Load Adjust) YORK MADE IN THE USA (COMPR 1 Over Load Adjust) LD10590 Figure 82 - VSD logic board (original - obsolete), P/N 031-02477-000 Johnson Controls...
  • Page 174: Figure 83 - Vsd Logic Board (New), P/N 031-02507-Xxx

    Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 Component locations (cont'd) (COMPR 4 Over Load Adjust) (COMPR 3 Over Load Adjust) (COMPR 2 Over Load Adjust) (COMPR 1 Over Load Adjust) LD13119 Figure 83 - VSD logic board (new), P/N 031-02507-XXX Johnson Controls...
  • Page 175: Figure 84 - Power Components, 2 Compressor

    Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 Component locations (cont'd) 10CR FAN PUMP OPTIONAL CIRCUIT CONTROL AND CONTROL RELAY BREAKER VSD CABINET (Standard Unit will COOLING COIL CONTROL AND have terminal blocks) FLASH TANK FEED VSD CABINET AND DRAIN VALVE COOLING FAN TRANSFORMER...
  • Page 176: Figure 85 - Power Components, 3 Compressor

    Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 Component locations (cont'd) CONTROL AND VSD CABINET FLASH TANK CONTROL AND COOLING FANS OPTIONAL CIRCUIT DRAIN and FEED VSD CABINET BREAKER VALVE COOLING COIL (Standard Unit will CONTROLLER have terminal blocks) (VG1) TRANSFORMER TERMINAL...
  • Page 177: Figure 86 - Fan Contactors And 3T Transformer, 2 Compressor

    Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 Component locations (cont'd) FAN CONTACTORS 4CR-9CR LD10584 3T TRANSFORMER (24VAC to SCR Gate Driver Board and VSD Logic Board) Figure 86 - Fan contactors and 3T transformer, 2 compressor Johnson Controls...
  • Page 178: Figure 87 - Fan Contactors, 3 Compressor

    Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 Component locations (cont'd) CONTACTORS (4, 5, 6, 7, 8, 9 11, 12, 13CR) TRANSFORMER 50072 Figure 87 - Fan contactors, 3 compressor Johnson Controls...
  • Page 179: Figure 88 - Vsd Components

    Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 Component locations (cont'd) 17-21 FU FUSES TRANSIENT (17 FU: 2T, 18 FU: VSD Logic / SUPPRESSOR BOARD SCR Trigger Board / (3-Phase Input) Pump Contactor, 4-6 CT 19 FU: 10T and 11T, 4-9 FU FUSES and CURRENT 20 FU: Relay Board #1,...
  • Page 180: Figure 89 - Vsd Components, 2 Compressor

    Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 Component locations (cont'd) (VSD LOGIC and SCR TRIGGER BOARD CABINET 24 VAC SUPPLY COOLING COOLING CONTACTORS TRANSFORMER) COIL 4CR-9CR ISOLATOR BOARD (FEEDS VSD LOGIC BOARD) CURRENT TRANSFORMERS TRIGGER BOARD IGBT GATE SNUBBER DRIVER CAPS...
  • Page 181: Figure 90 - Vsd Components, 3 Compressor

    Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 Component locations (cont'd) CABINET COOLING DC BUS (VSD LOGIC AND COOLING CONTACTORS VOLTAGE SCR TRIGGER BOARD COIL 4CR-9CR AND ISOLATION 24 VAC SUPPLY 11CR-13 CR) BOARD TRANSFORMER) CURRENT TRANSFORMERS TRIGGER BOARD IBGT GATE SNUBBER...
  • Page 182: Figure 91 - Vsd Components, 2 Compressor

    Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 Component locations (cont'd) CURRENT CABINET TRANSFORMERS COOLING C13-C17 COIL COOLING FANS RELAYS TRANSIENT SUPPRESSOR BOARD W/ 11FU, 12FU, AND 13 FU FUSES (3 Phase Input) 10CR FAN PUMP CONTROL RELAY LD10587 1L LINE INDUCTOR...
  • Page 183: Figure 92 - Vsd Components, 3 Compressor

    Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 Component locations (cont'd) TRANSIENT CABINET SUPPRESSOR COOLING BOARD COIL CURRENT W/ 11FU, 12FU, TRANSFORMERS AND 13 FU FUSES (C14, C13, 12, 9, 8, 7, 6, 5, 4) (3 Phase Input) COOLING RELAYS 50073...
  • Page 184: Figure 93 - Inverter Power Components, 2 Compressor

    Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 Component locations (cont'd) LD10588 The line inductor will reach operating temperatures of over 300°F. Do not open panel doors during operation. Assure the inductor is cool whenever working near the inductor with power OFF. Figure 93 - Inverter power components, 2 compressor Johnson Controls...
  • Page 185: Figure 94 - Inverter Power Components, 3 Compressor

    Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 Component locations (cont'd) TRIGGER BOARD 50077 Figure 94 - Inverter power components, 3 compressor Johnson Controls...
  • Page 186: Figure 95 - Inverter Power Components

    Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 Component locations (cont'd) WATER COOLED IGBT's IGBT's IGBT's HEAT SINK SCR/DIODE MODULES SCR/DIODE MODULE LD10591 1RES and 2RES BUS CAPACITORS BANK EQUALIZING/BLEEDER RESISTORS LAMINATED STRUCTURE IGBT GATE DRIVER IGBT GATE BOARD #1 DRIVER BOARD #2...
  • Page 187 Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 Component locations (cont'd) IGBT GATE DRIVER BOARD WATER COOLED LAMINATED BUS FILTER HEAT SINK BUS STRUCTURE CAPACITORS IGBT LD10593 IGBT's IGBT's SCR/DIODE MODULES SCR/DIODE MODULES LD10594 1RES and 2RES BUS CAPACITORS BANK EQUALIZING/BLEEDER RESISTORS FIGURE 43 - Inverter power components (cont'd) Johnson Controls...
  • Page 188: Glycol System Components

    Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 Glycol system components REAR VSD PANEL DETAIL "B" DETAIL "C" DETAIL "A" TO GLYCOL PUMP (SEE DETAIL "A") DETAIL "B" TYPICAL 4 PLACES GLYCOL PUMP (SEE DETAIL "A") DETAIL "C" LD13122A Figure 96 - Glycol pump and fill tube locations Johnson Controls...
  • Page 189: Figure 97 - Glycol Piping And Fill Tube Location

    Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 Glycol system components (cont'd) GLYCOL FILL TUBE LD10597 Figure 97 - Glycol piping and fill tube location Johnson Controls...
  • Page 190: Compressor Components

    Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 Compressor components LD10596 Figure 98 - Compressor components Johnson Controls...
  • Page 191: Chiller Electronic Components

    Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 Chiller electronic components The numeric keys allow keying numeric values into memory. Keypad The • (PERIOD/DECIMAL) key allows keying a An operator keypad allows complete control of the sys- decimal point into numeric values. tem from a central location.
  • Page 192: Figure 100 - Cller Control Board

    Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 Keypad data entry mode Chiller control board For numeric programmable items, the data entry mode is entered by pressing any of the number keys, the deci- mal point key, or the +/- key. When the data entry mode is entered, the data from the key press will be entered and the cursor will appear under the position where the data is being entered.
  • Page 193: Figure 101 - Relay Output Boards

    Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 The Chiller Control Board is capable of directly Drain Valves. The Feed Valve controls the refrigerant receiving analog inputs from temperature sensors and level in the flash tank while the Drain Valves controls transducers.
  • Page 194: Figure 102 - Ac To Dc Rectifier

    Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 AC to DC rectifier The AC to DC Rectifier circuit utilizes a semi-convert- er made of three SCR/diode modules in a three phase bridge configuration. Each SCR/Diode module con- tains 1 SCR and 1 diode. The modules are mounted on a liquid cooled heatsink.
  • Page 195: Figure 105 - Equalizing/Bleeder Resistors

    Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 Equalizing/Bleeder resistors connected across the 1L line inductor banks equalize the voltage between the top and bottom capacitors to avoid damaging the capacitors from over voltage. The Equalizing/Bleeder resistors also provide a path for discharge of the capacitors when the drive is switched off.
  • Page 196: Figure 107 - Igbt Gate Driver Board

    Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 VSD logic board The VSD Logic Board controls VSD functions/op- erations and communicates through a serial commu- nications line with the Chiller Control Board. Safety and shutdown information stored in the RTC (Battery backed RAM) is reported back to the Chiller Control Board via the communications link.
  • Page 197: Figure 110 - Obsolete Board P/N 031-02477-000

    Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 ize communications with the VSD. The Chiller Con- trol Board will request initialization data from the VSD Logic Board. The initialization data required is the number of compressors and the VSD software ver- sion.
  • Page 198: Figure 111 - Current Transformers

    Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 pulses applied to the motor windings. This eliminates Current transformers the possibility of causing a turn-to-turn short in the mo- tor due to winding insulation breakdown. The suppres- sion network is made up of a 3-phase RC network. Flash tank feed and drain valve controller LD10617 CURRENT...
  • Page 199: Chiller Configuration Jumpers

    Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 The controller is typically located in the back of the An Optional Circuit Breaker may be supplied on the panel behind the power wiring terminal block/circuit input of the system. The incoming power will be fed breaker or on the wall of the panel on the left side of to the terminals on the circuit breaker.
  • Page 200: Vsd Logic To Chiller Microprocessor Board Rs-485 Communication Configuration Jumpers

    Form 201.23-NM2 Section 6 - Technical data Issue date: 12/19/2023 VSD logic to chiller microprocessor Maximum VSD frequency/model board RS-485 communication designator configuration jumpers The model number of the chiller determines the maxi- mum VSD frequency at 100% full speed. The maxi- The Chiller Control Board and the VSD Logic mum frequency is programmed by factory installed Boards communicate over an RS-485 link.
  • Page 201: Section 7 - Operation

    Form 201.23-NM2 Issue date: 12/19/2023 Section 7 - Operation Operating controls on and off together. An under voltage condition will keep the heater off until full voltage is restored to the Anti-recycle timer system. A typical 5 minute or 10 minute anti-recycle timer is not Pumpdown control necessary to allow compressor motor cooling, due to the VSD’s ability to provide a low current inrush start.
  • Page 202: Basic Operating Sequence

    Form 201.23-NM2 Section 7 - Operation Issue date: 12/19/2023 Basic operating sequence Unit switch Start sequence and loading To initiate the start sequence of the chiller, the follow- ing conditions must be satisfied before the precharge of the DC Bus will take place: •...
  • Page 203: Number Of Compressors To Start

    Form 201.23-NM2 Section 7 - Operation Issue date: 12/19/2023 48˚F -------------------------------------------------- 46˚F --------- ---------- Setpoint + CR ( Setpoint High Limit) 44˚F ---------- --------------------------------- Setpoint Programmed Control (Cooling) Range 42˚F ---------- ---------- Setpoint – CR (Setpoint Low Limit) -------------------------------------------------- 40˚F 38˚F -------------------------------------------------- LD10625...
  • Page 204: Minimum Vsd Compressor Start / Run Frequency

    Form 201.23-NM2 Section 7 - Operation Issue date: 12/19/2023 NUMBER OF COMPS NUMBER OF COMPS TO TO START LOGIC START REDUCTION TABLE 4 COMPS -> 3 COMPS 3 COMPS -> 2 COMPS SET NUM COMPS 2 COMPS -> 1 COMP TO START = NUM 1 COMP ->...
  • Page 205: Acceleration / Deceleration Rate When Starting / Stopping Compressors

    Form 201.23-NM2 Section 7 - Operation Issue date: 12/19/2023 • If the ambient is between 110 and 125°F (43 and When a compressor stops, back-spin of the compres- 52°C), the Minimum VSD Run Frequency is sor will often occur as the pressure differential between scaled according to the following formula: discharge and suction equalizes.
  • Page 206 Form 201.23-NM2 Section 7 - Operation Issue date: 12/19/2023 frequency the compressor is allowed to operate minus In this example, one compressor will be shut down 1 hertz for a period of 3 minutes without bringing the when the speed of the compressors drops to 200 Hz x leaving chilled liquid temperature to within Setpoint (2-1)/2 = 100 Hz to 20 Hz = 80 Hz.
  • Page 207: Optional High Iplv Capacity Control

    Form 201.23-NM2 Section 7 - Operation Issue date: 12/19/2023 High Limit (Setpoint plus CR). If the rate of change is error is “0” (temperature is at Setpoint), while the rate dropping too fast and there is potential for overshoot, of change of chilled liquid temperature is “positive” the Chiller Control Board microprocessor may elect (rising).
  • Page 208 Form 201.23-NM2 Section 7 - Operation Issue date: 12/19/2023 When compressors start, the load and unload timers When a compressor is to be added, the Chiller Con- will be set to 30 seconds. During the first 30 seconds of trol Board microprocessor decelerates the compressor operation after a compressor reaches the start frequen- VSD frequency to 5 Hertz.
  • Page 209: Table 28 - Fuzzy Logic Loading/Unloading Vs. Error

    Form 201.23-NM2 Section 7 - Operation Issue date: 12/19/2023 In cases where temperature is dropping too fast, when STOP = Minimum VSD Freq x (Number of Compressors Running +1) temperature is within the desired Control Range, the COMP FREQ Number of Compressors Running Chiller Control Board microprocessor will be required In this example: Number of compressors running = 1 Minimum VSD Freq.= 50 Hz...
  • Page 210: Load Limiting Control

    Form 201.23-NM2 Section 7 - Operation Issue date: 12/19/2023 (rising). The Chiller Control Board microprocessor Motor current load limiting/unloading may also elect to hold capacity when error is “nega- Motor current load limiting helps prevent the system tive” (temperature is below Setpoint) because the rate from tripping on the motor overload safety.
  • Page 211: Table 30 - Discharge Pressure Load Limiting/Unloading

    Form 201.23-NM2 Section 7 - Operation Issue date: 12/19/2023 sure limit unloading will not occur until the system run Table 30 - Discharge pressure load limiting/unloading time reaches 5 minutes of operation to allow the sys- DISCHARGE PRESSURE UN-LOADING tem to stabilize. Discharge Pressure Cutout- 20 psig &...
  • Page 212: Flash Tank Drain And Feed Valve Controller

    Form 201.23-NM2 Section 7 - Operation Issue date: 12/19/2023 Flash tank drain and feed valve Table 33 - VSD baseplate temperature load limiting/ unloading controller VSD BASEPLATE TEMPERATURE UN-LOADING Valve controller and control algorithm Baseplate Temp. is between operation 0 Hz Cutout- 8ºF &...
  • Page 213 Form 201.23-NM2 Section 7 - Operation Issue date: 12/19/2023 The Feed Valve is a stepper motor valve that controls The Feed and Drain Valves in a system open and be- the liquid flow from the condenser to assure the liquid gin to control as soon as a compressor starts.
  • Page 214: Figure 122 - Led Locations

    Form 201.23-NM2 Section 7 - Operation Issue date: 12/19/2023 Valve controller LED’s The Drain and Feed Valve stepper motor controller is equipped with a pair of LED’s on the left side of the module and 10 LED’s in the center of the module (Fig- ure 122 on page 214).
  • Page 215: Economizer Control

    Form 201.23-NM2 Section 7 - Operation Issue date: 12/19/2023 Due to the short duration of the open and close step- In low ambient temperatures less than 40°F, run time per pulses, LED lighting will be difficult to observe. on the respective compressor is less than 5 minutes, In rare cases where validation of the controller output and the flash tank level is less than75%, the system and valve movement needs to be checked, the valves...
  • Page 216: Condenser Fan Control

    Form 201.23-NM2 Section 7 - Operation Issue date: 12/19/2023 FAN LOCATIONS 11 FAN UNITS - OMIT FAN 12 VSD/ 10 FAN UNITS - OMIT FANS 11 & 12 CONTROL 9 FAN UNITS - OMIT FANS 10,11 & 12 PANEL 8 FAN UNITS - OMIT FANS 9,10,11 & 12 LD10632 FAN BAFFLES FAN BAFFLES...
  • Page 217: Vsd Temperature Control, Operation Of The Coolant Pump, And Vsd Cabinet Cooling Fans

    Form 201.23-NM2 Section 7 - Operation Issue date: 12/19/2023 Fan on and off control points will vary for standard OFF Press. When a fan stage is incremented, the fan and optional optimized IPLV chillers. Unless controls delay timer is set to 5 seconds, and the Fan ON pres- dictate all fans running due to high VSD ambient tem- sure is ramped 20 PSIG over the original ON, point peratures, fans will sequence on when a compressor...
  • Page 218: Remote Temperature Reset Control

    ON. minimum or maximum value will be used. • VSD Internal Ambient Temp more than 158°F Contact a local YORK ISN Representative for details (70.0°C) (Cutout) – 10°F (5.6°C) equals 148°F on ISN controls and capabilities. (64.4°C). When the Internal Ambient Temp falls to less than 158°F (70.0°C) (Cutout) minus 15°F...
  • Page 219: Remote Current Limit Reset Control

    Form 201.23-NM2 Section 7 - Operation Issue date: 12/19/2023 Control Board jumper JP4 must be positioned correctly 4 mA through 20 mA reset input to receive either a voltage (0 VDC through 10 VDC or A 0 mA to 4 mA signal produces a 0°F reset. A 20 mA 2 VDC through 10 VDC) or current (0 mA through 20 signal produces the maximum remote temp reset (pro- mA or 4 mA through 20 mA) signal.
  • Page 220 Form 201.23-NM2 Section 7 - Operation Issue date: 12/19/2023 Remote Current Limit Reset is only possible if the op- VDC to 10 VDC) or current (0 mA to 20 mA or 4 mA tion is enabled by both the OPTIONS key selection and to 20 mA) signal.
  • Page 221: Sound Limit Control

    Form 201.23-NM2 Section 7 - Operation Issue date: 12/19/2023 through 20 mA input (OPTIONS key) and Chiller Con- Remote sound limit trol Board jumper JP5 placed in the “mA” position. The Sound Limit Setpoint can be set via the Remote Sound Limit analog input.
  • Page 222 Form 201.23-NM2 Section 7 - Operation Issue date: 12/19/2023 2 VDC through 10 VDC reset input A 0 VDC through 2 VDC signal produces a 0% sound limits as the input varies between 0 mA and 20 mA. limit (no change to max VSD freq). A 10 VDC signal In order for this input to work properly, the Remote produces a 100% sound limit (max VSD freq equals Sound Limit must be programmed for 0 mA through 20...
  • Page 223: Section 8 - Micropanel

    Form 201.23-NM2 Issue date: 12/19/2023 Section 8 - Micropanel VSD operation and controls The rate of change of the frequency will also be con- trolled by the VSD Logic Board. VSD logic board The rate of change of the output frequency at start-up, The VSD Logic Board communications with the Chill- during acceleration is 10 Hz/s between 0 Hz and 50 er Control Board via comms and controls the VSD...
  • Page 224 Form 201.23-NM2 Section 8 - Micropanel Issue date: 12/19/2023 Maximum VSD frequency VSD cooling and cooling loop The maximum VSD frequency will vary for each chill- The VSD generates heat in the IGBT power modules er model. The microprocessor board determines the and the SCR/Diode assemblies, which must be re- frequency according to jumpers' factory installed in moved.
  • Page 225: Figure 128 - Vsd Glycol Pump

    Form 201.23-NM2 Section 8 - Micropanel Issue date: 12/19/2023 • Pre-charge Enable 1 from the Chiller Logic Board VSD GLYCOL is OFF. PUMP • Pre-charge Enable 2 from the Chiller Logic Board is OFF. • VSD Internal Ambient Temp less than Cutout mi- nus 15°F.
  • Page 226: Figure 130 - New Board - P/N 031-02507-Xxx

    Form 201.23-NM2 Section 8 - Micropanel Issue date: 12/19/2023 Following successful completion of the pre-charge interval, the SCR’s on the AC to DC semi-converter (SCR/Diode Modules) will be gated fully on by the SCR Trigger Board and the DC Bus will be brought up to its full potential.
  • Page 227: Vsd Safeties (Faults)

    Form 201.23-NM2 Section 8 - Micropanel Issue date: 12/19/2023 DC Bus voltage sensing and scaling VSD transmitted operating parameters Full DC Bus voltage and ½ DC Bus voltages are sensed VSD operating parameters will be transmitted to the for up to 2 DC Buses. 2 and 3 compressor chillers share Chiller Control Board over the RS-485 communica- a common DC Bus, while 4 compressor chillers utilize tions link between the 2 boards.
  • Page 228 Form 201.23-NM2 Section 8 - Micropanel Issue date: 12/19/2023 compressor backspin and a higher noise level based start. The start inhibit will be cleared when the fault upon the differential pressure between discharge and condition goes away and the compressor will be per- suction.
  • Page 229 Form 201.23-NM2 Section 8 - Micropanel Issue date: 12/19/2023 SYS X YYYYYYYY PRECHARGE-BUS VOLT IMBAL SYS X YYYYYYYY LOW DC BUS VOLTAGE X indicates the system and YYYYYYY indicates the X indicates the system and YYYYYYY indicates the system is in a “LOCKOUT” condition and will not re- system is in a “FAULT”...
  • Page 230 Form 201.23-NM2 Section 8 - Micropanel Issue date: 12/19/2023 X indicates the system and YYYYYYY indicates the normal operation, the voltage drop across a saturated system is in a “FAULT” condition and will restart or IGBT is low. When a short or shoot occurs, the ex- “LOCKOUT”...
  • Page 231 Form 201.23-NM2 Section 8 - Micropanel Issue date: 12/19/2023 On 4 compressor chillers, the baseplate temperatures Single phase input (hardware) fault on compressors 1 and 3 are OR’d together and the The VSD’s SCR Trigger Control board contains cir- highest of the two temperatures is compared in soft- cuitry that checks the three phase mains for the pres- ware to a limit of 218°F.
  • Page 232 Form 201.23-NM2 Section 8 - Micropanel Issue date: 12/19/2023 run signal is not asserted within the 5-second window, This is an auto-restart safety that will restart after the the system will fault. In addition, if either run signal is 120 second anti-recycle timer times out and lock out on disabled while the VSD is running, the remaining run the 3rd fault in 90 minutes.
  • Page 233: Unit Warnings

    Form 201.23-NM2 Section 8 - Micropanel Issue date: 12/19/2023 A fault acknowledge bit from the Chiller Control allow the operator sufficient time to check setpoints, Board is sent to the VSD via comms after receiving program values, etc. valid fault data from the VSD. When the VSD Logic If a low battery is detected, it should be replaced as Board receives the fault acknowledge via comms from soon as possible.
  • Page 234: Figure 131 - Microboard 331-03478-Xxx

    Form 201.23-NM2 Section 8 - Micropanel Issue date: 12/19/2023 RX1 – Green LED flashes when receiving data in Port Power supplies and LEDs 1 TB3 (Future native communications BAS port) The 03478 has LEDs to indicate various states of op- eration of the microboard.
  • Page 235: Program Update

    Form 201.23-NM2 Section 8 - Micropanel Issue date: 12/19/2023 Power supply test points VSD communications activity.U18 is the VSD Port RS-485 Driver Chip. It is socketed to allow field re- TP1 GND (Measure TP2, TP3, TP4 and TP5 in refer- placement.
  • Page 236: Data Logging

    Form 201.23-NM2 Section 8 - Micropanel Issue date: 12/19/2023 Follow all JCI Safety Directives when in- Table 36 - Flash card update error XXXXX serting or removing the SD card since the Flash card Update Definition card is located inside the control cabinet. Error Code Okay Flash card not found.
  • Page 237: Unit Safeties

    LECTED Warning will occur after the VSD has been UNIT WARNING: OPTIMIZED EFFICIENCY initialized, if no ”Number of Compressors Select” DISABLED - CONTACT YORK REPRESENATIVE jumpers are installed or if more than 1 jumper is in- stalled. The following warning message will be dis- Optimized IPLV cannot be enabled unless a special played indefinitely.
  • Page 238: System Safeties (Faults)

    Form 201.23-NM2 Section 8 - Micropanel Issue date: 12/19/2023 High ambient temp fault VSD communications failure fault If the ambient temperature rises above 130°F, the chill- The VSD Communications Failure is to prevent the er will shut down with a controlled ramped shutdown. unit from trying to run, if the Chiller Control Board Restart will automatically occur, if demand allows, never initializes communications with the VSD Logic...
  • Page 239 Form 201.23-NM2 Section 8 - Micropanel Issue date: 12/19/2023 When multiple systems are operating and a system X indicates the system and YYYYYYYY indicates fault occurs, the running systems will ramp down and the system is in a “FAULT” condition and will restart the faulted system will be shut off and the previously when the 120 second anti-recycle timer times out, or operating will restart if required after the fault clears...
  • Page 240 Form 201.23-NM2 Section 8 - Micropanel Issue date: 12/19/2023 OUT” and will not restart until the operator clears the High Differential Oil Pressure Cutout Fault fault using the keypad. Typically, the cutout will be set The High Differential Oil Pressure Cutout protects the at 24 psig for chilled water applications.
  • Page 241: Table 38 - Low Differential Oil Pressure Cutout

    Form 201.23-NM2 Section 8 - Micropanel Issue date: 12/19/2023 Table 38 - Low differential oil pressure cutout SYS X YYYYYYYY HIGH OIL TEMP RAMP AMBIENT TEMPERATURE TIME X indicates the system and YYYYYYY indicates the > 50ºF 5 min system is in a “FAULT” condition and will restart when >...
  • Page 242: Table 39 - Start Inhibit Sensor Thresholds

    Form 201.23-NM2 Section 8 - Micropanel Issue date: 12/19/2023 ZZZZZZZZZZZ indicates the failed sensor below: Low discharge superheat cutout fault The Low Discharge Superheat Cutout helps protect the • SUCT PRESS compressor primarily from liquid floodback through • OIL PRESS the economizer line due to a high flash tank level.
  • Page 243 Form 201.23-NM2 Section 8 - Micropanel Issue date: 12/19/2023 High flash tank level cutout fault The Flash tank level Cutout prevents the system from running when the liquid level in the flash tank is too high. The safety will be ignored for the first 15 seconds of system operation.
  • Page 244: Status Key

    3 or 4 compressor chiller. When power is first applied to the control panel, the Examples of the typical Status messages are shown in following message displaying YORK International the next topic Corporation, the EPROM version, date, and time will...
  • Page 245 Form 201.23-NM2 Section 8 - Micropanel Issue date: 12/19/2023 This message indicates the system switch (software via General status messages keypad) is turned off. The system will not be allowed UNIT STATUS to run until the system switch is turned ON via the key- MANUAL OVERRIDE pad.
  • Page 246 Form 201.23-NM2 Section 8 - Micropanel Issue date: 12/19/2023 The Suction Pressure Limiting message indicates the The VSD Internal Ambient Temp Limiting message in- suction pressure load limit or suction pressure unload- dicates the VSD internal ambient temp is high and load ing is in effect.
  • Page 247: Unit Data Key

    Form 201.23-NM2 Section 8 - Micropanel Issue date: 12/19/2023 Unit data key UNIT DATA LD10605 Figure 133 - Unit data key General The UNIT DATA key provides the user with displays The next key press displays the error in temperature of unit temperatures, and unit related data.
  • Page 248 Form 201.23-NM2 Section 8 - Micropanel Issue date: 12/19/2023 The next key press displays the status of Active Re- • RCC - A Remote Control Center is providing re- mote Control. mote control. The chiller is in remote mode. • ISN - YorkTalk via ISN. The chiller in remote UNIT ACTIVE REMOTE CONTR0L = XXXXXX mode.
  • Page 249: System Data Keys 1 Through 4

    Form 201.23-NM2 Section 8 - Micropanel Issue date: 12/19/2023 System data keys 1 through 4 SYSTEM 1 DATA KEY SYSTEM 2 DATA KEY SYSTEM 3 DATA KEY SYSTEM 4 DATA KEY LD10605 Figure 134 - System data keys 1 through 4 General The data keys provide the user with many displays of The next key press displays the suction temperature...
  • Page 250 Form 201.23-NM2 Section 8 - Micropanel Issue date: 12/19/2023 The next key press indicates the % of compressor load- The next key press displays the system run time in ing and status of the economizer solenoid as deter- days, hours, minutes, and seconds. mined by the operating frequency.
  • Page 251: Table 40 - Sensor Min./Max. Outputs

    Form 201.23-NM2 Section 8 - Micropanel Issue date: 12/19/2023 Sensor displays Table 40 on page 251 lists all the sensors attached to the control board associated with system data keys. The minimum and maximum values displayed on the micro display are provided. If values exceed the limits in the table, a <...
  • Page 252: Vsd Data Key

    Form 201.23-NM2 Section 8 - Micropanel Issue date: 12/19/2023 VSD data key DATA KEY LD10605 Figure 135 - VSD data key General The VSD DATA key provides the user with displays of VSD COMP 1 = XXX AMPS = XXX %FLA VSD temperatures, voltages, currents, and other oper- COMP 2 = XXX AMPS = XXX %FLA...
  • Page 253 Form 201.23-NM2 Section 8 - Micropanel Issue date: 12/19/2023 The next key press displays the current limit values The next key press displays the state of the Precharge set locally on the panel under the PROGRAM key, re- signal, where XXX is either ON or OFF. The first dis- motely by an ISN, and remotely by the Current Limit play is for 2 and 3 compressor units, the second display input.
  • Page 254: Operating Hours / Start Counter Key

    Form 201.23-NM2 Section 8 - Micropanel Issue date: 12/19/2023 Operating hours / start counter key OPERATING HOURS/ START COUNTER LD10605 Figure 136 - Operating hours / start counter key Compressor operating hours and compressor starts are displayed with a single key press. The maximum value for both hours and starts is 99,999, at which point they will roll over to 0.
  • Page 255: History Key

    Form 201.23-NM2 Section 8 - Micropanel Issue date: 12/19/2023 History key HISTORY LD10605 Figure 137 - History key History key operation Normal shutdowns history The HISTORY key provides the user access to many If the NORMAL SHUTDOWNS History is selected, unit and system operating parameters captured at the the following screen will be displayed: instant a unit or system safety (fault) shutdown occurs.
  • Page 256 Form 201.23-NM2 Section 8 - Micropanel Issue date: 12/19/2023 Fault shutdowns history Status fault type If the FAULT SHUTDOWNS History is selected, the SYS X COMPRESSOR RUNNING following screen will be displayed: SYS X YYYYYYYY HIGH DIFF OIL PRESSURE FAULT HIST XX 18-JUN-20004 10:34:58 AM This message indicates the type of system fault.
  • Page 257 Form 201.23-NM2 Section 8 - Micropanel Issue date: 12/19/2023 Unit data Active remote control status Evaporator leaving and return chilled liquid UNIT ACTIVE REMOTE CONTR0L = XXXXXX temps This message indicates the leaving and entering chilled This message indicates whether the system was operat- liquid temperatures at the time of the fault.
  • Page 258 Form 201.23-NM2 Section 8 - Micropanel Issue date: 12/19/2023 VSD current limit Compressor #1 and #2, 105% FLA motor Overload Current Setting VSD CURRENT LIMIT LOCAL = XXX %FLA VSD COMP 1 MOTOR OVERLOAD = XXX AMPS ISN = XXX REMOTE = XXX %FLA COMP 2 MOTOR OVERLOAD = XXX AMPS This message displays the current limit values as set...
  • Page 259 Form 201.23-NM2 Section 8 - Micropanel Issue date: 12/19/2023 System #1 calculated discharge System #1 fan stage and compressor heater temperatures status SYS 1 DISCHARGE TEMP = XXX.X °F SYS 1 CONDENSER FANS ON = XXX SUPERHEAT = XXX.X SAT REMP = XXX.X °F COMPRESSOR HEATER = XXX This message displays all of the calculated discharge This message displays the actual # of system fans on,...
  • Page 260 Form 201.23-NM2 Section 8 - Micropanel Issue date: 12/19/2023 Chilled liquid setpoint cooling setpoints When Remote Control Mode is selected, control of the SETPOINTS Chilled Liquid Setpoint is from a remote device such LOCAL COOLING SETPOINT = XXX.X °F as an ISN/BAS controller. This message displays the programmed cooling OPTIONS DISPLAY UNITS...
  • Page 261 Form 201.23-NM2 Section 8 - Micropanel Issue date: 12/19/2023 Low ambient temp cutout Low leaving chilled liquid temp cutout OPTIONS LOW AMBIENT TEMP CUTOUT PROGRAM ◄ ► XXXXXXXXXXXXXXXXXXXX LEAVING LIQUID TEMP CUTOUT = XXX.X °F This message indicates whether the low ambient cutout This message displays the low leaving Chilled liquid was enabled or disabled at the time of the fault.
  • Page 262: Setpoints Key

    Form 201.23-NM2 Section 8 - Micropanel Issue date: 12/19/2023 Setpoints key SETPOINTS LD10605 Figure 138 - Setpoints key Setpoints key operation Cooling setpoints and ranges may be programmed by Pressing the SETPOINTS key or the ▼ (ARROW) key pressing the SETPOINTS key. The first setpoint en- a third time will display the remote setpoint and cool- try screen will be displayed as shown below.
  • Page 263: Table 41 - Setpoint Limits

    Form 201.23-NM2 Section 8 - Micropanel Issue date: 12/19/2023 The values displayed under each of the key presses The ▲ (ARROW) key allows scrolling back through may be changed by keying in new values and pressing the setpoints displays. the  (ENTER) key to store the new value into mem- The minimum, maximum, and default values allowed ory.
  • Page 264: Program Key

    Form 201.23-NM2 Section 8 - Micropanel Issue date: 12/19/2023 Program key PROGRAM LD10605 Figure 139 - Program key Program key operation Various operating parameters are programmable by the Pressing the  (ENTER) key again will display the user. These are modified by pressing the PROGRAM first programmable selection.
  • Page 265 Form 201.23-NM2 Section 8 - Micropanel Issue date: 12/19/2023 Low ambient cutout Pulldown current limit time PROGRAM ◄DEF XXXXX LO XXXXX HI XXXXX PROGRAM ◄DEF XXXXX LO XXXXX HI XXXXX LOW AMBIENT TEMP CUTOUT = XXX.X °F PULLDOWN CURRENT LIMIT TIME = XXX MIN The low ambient temp cutout allows programming the The pulldown current limit time is programmable.
  • Page 266: Table 42 - Programmable Operating Parameters

    Form 201.23-NM2 Section 8 - Micropanel Issue date: 12/19/2023 Sound limit setpoint Default values A listing of the low limits, high limits, and default PROGRAM ◄DEF XXXXX LO XXXXX HI XXXXX values for each of the programmable values is noted SOUND LIMIT SETPOINT = XXX % in each display and can be found in Table 42 on page...
  • Page 267: Options Key

    Form 201.23-NM2 Section 8 - Micropanel Issue date: 12/19/2023 Options key OPTIONS LD10605 Figure 140 - Options key Options key operation Chilled liquid cooling mode selection The OPTIONS key provides the user with a display of The Chilled liquid cooling mode can be selected for unit configuration and the capability to modify the con- Water Cooling or low temperature Glycol Cooling.
  • Page 268 Form 201.23-NM2 Section 8 - Micropanel Issue date: 12/19/2023 Local / remote control mode selection System lead/lag control mode selection Local or Remote Control Mode allows the user to se- The operator may select the type of lead/lag control lect the chilled liquid temperature control mode. desired.
  • Page 269 Form 201.23-NM2 Section 8 - Micropanel Issue date: 12/19/2023 Remote temperature reset selection The default setting for Remote Current Reset is DIS- Remote temperature reset from an external source may ABLED. This display will only appear if the remote be tied directly into the chiller microprocessor board. current limit option is enabled at the factory.
  • Page 270: Date / Time And Schedule Keys

    Form 201.23-NM2 Section 8 - Micropanel Issue date: 12/19/2023 Date / time and schedule keys DATE/TIME SCHEDULE LD10605 Figure 141 - Date / time and schedule keys Date/time key operation When the DATE/TIME key is pressed, the chiller mi- CLOCK FRI 18-JUN-2005 10:15:33 AM croprocessor will display the date and the time.
  • Page 271 Form 201.23-NM2 Section 8 - Micropanel Issue date: 12/19/2023 The month can be selected by keying in the numerical Pressing the ▼ (DOWN ARROW) key again scrolls value to select the day. After the month is selected, the to AM/PM: ...
  • Page 272 Form 201.23-NM2 Section 8 - Micropanel Issue date: 12/19/2023 Unit operating schedule To program the chiller for 24 hour operation, program The Unit Operating Schedule is used to enable/dis- the start and stop times of each day of the week for able the chiller unit on time of day.
  • Page 273 Form 201.23-NM2 Section 8 - Micropanel Issue date: 12/19/2023 Sound limit schedule The SOUND LIMIT SCHEDULE allows setting the The AM/PM selection may be chosen using the ◄ day and time when the user desires using the “SILENT (LEFT ARROW) or ► (RIGHT ARROW) keys and NIGHT”...
  • Page 274: Manual Override Key

    Form 201.23-NM2 Section 8 - Micropanel Issue date: 12/19/2023 Manual override key MANUAL OVERRIDE LD10605 Figure 142 - Manual override key Manual overrride key operation If the MANUAL OVERRIDE key is pressed during a schedule shutdown, the STATUS display will dis- play the message below.
  • Page 275: Print Key

    Form 201.23-NM2 Section 8 - Micropanel Issue date: 12/19/2023 Print key PRINT LD10605 Figure 143 - Print key Print key operation Table 43 - Printout types The PRINT key is used to initiate a printout of cur- PRINTOUT TYPES rent operating data (real time data), a complete history Operating Data printout of all history (fault) buffers, a printout of all (Default Selection)
  • Page 276 2/3 or 4-circuit printout. COOLING SYSTEM STATUS BASEPLATE TEMPS XXX XXX DEGF Operating data printout PRECHARGE SIGNAL (2 circuit & 3 circuit) YORK INTERNATIONAL CORPORATION PRECHARGE SIGNALS XXX XXX LATITUDE SCREW CHILLER (4 circuit) OPERATING DATA MOTOR OVERLOADS 1/2...
  • Page 277 WED START=00:00AM STOP=00:00AM the header information shown below: THU START=00:00AM STOP=00:00AM FRI START=00:00AM STOP=00:00AM YORK INTERNATIONAL CORPORATION SAT START=00:00AM STOP=00:00AM LATITUDE SCREW CHILLER HOL START=00:00AM STOP=00:00AM HISTORY NUMBER 1 SOUND LIMIT SCHEDULE...
  • Page 278: Service Key

    Form 201.23-NM2 Section 8 - Micropanel Issue date: 12/19/2023 Service key SERVICE LD10605 Figure 144 - Service key Service key operation The SERVICE key allows viewing data related to the Pressing the (ENTER) key allows “view only” Ser-  internal function of the chiller system electronics. Data vice Mode operation.
  • Page 279 Form 201.23-NM2 Section 8 - Micropanel Issue date: 12/19/2023 The data sections are listed below: If the input is programmed for a current input, the volt- age read by the MUX is displayed. If the input is dis- • Software Versions abled under the OPTIONS key, the voltage display will display “DISABLED”.
  • Page 280 Form 201.23-NM2 Section 8 - Micropanel Issue date: 12/19/2023 SERVICE AI J20-3 SYS3 MOTOR TEMP T3 SERVICE AI J22-24 SYS2 DISCHARGE PRESS X.X VDC = XXX.X °F X.X VDC = XXX.X PSIG SERVICE AI J23-3 SYS3 OIL TEMP SERVICE AI J20-6 SYS4 MOTOR TEMP T1 X.X VDC = XXX.X °F X.X VDC...
  • Page 281 Form 201.23-NM2 Section 8 - Micropanel Issue date: 12/19/2023 SERVICE DI J4-2 UNIT SWITCH 1 SERVICE DI J7-8 CONFIG INPUT 3 STATUS = XXX STATUS = XXX SERVICE DI J7-10 CONFIG SPARE INPUT 0 SERVICE DI J4-3 UNIT SWITCH 2 STATUS = XXX STATUS = XXX SERVICE DI J7-12...
  • Page 282 Form 201.23-NM2 Section 8 - Micropanel Issue date: 12/19/2023 SERVICE DO J10-4 CHILLER RUN SERVICE DO J11-9 SYS 3 COND FAN OUT 2 RB1 TB1-14 STATUS = XXX RB1 TB1-5 STATUS = XXX SERVICE DO J10-5 SYS 2 SPARE SERVICE DO J11-10 SYS 3 COND FAN OUT 3 RB1 TB1-12 STATUS = XXX RB1 TB1-4...
  • Page 283 Form 201.23-NM2 Section 8 - Micropanel Issue date: 12/19/2023 The sixth data section displays the “VSD” digital out- SERVICE AO J14-3 SYS 4 FEED VALVE OUT puts (DO) that can be viewed from the Service Mode. XXX.X % = XX.X VDC The Digital Output signals indicate the status of the output.
  • Page 284: System Switches Key

    Form 201.23-NM2 Section 8 - Micropanel Issue date: 12/19/2023 System switches key SYSTEM SWITCHES LD10605 Figure 145 - System switches key System switches key operation ◄ (LEFT ARROW) or ► (RIGHT ARROW) keys allow scrolling through the choices of: The SYSTEM SWITCHES key allows the operator to turn individual systems ON and OFF.
  • Page 285: Serial Number Programming

    Form 201.23-NM2 Section 8 - Micropanel Issue date: 12/19/2023 Serial number programming SERVICE MODE XXXXX PRESS ENTER KEY TO CONTINUE When changing a Chiller Control Board, a Chiller Control Board EPROM, or if a situation occurs where Key in the 5 digit alphanumeric password provided by a chiller is not programmed from the factory, the chill- Product Technical Support and press the (ENTER)
  • Page 286: Enabling Optimized High Iplv Mode

    UNIT WARING: OPTIMZED EFFICIENCY display and should match the first 7 characters of the DISABLED - CONTACT YORK REPRESENATIVE serial number on the unit Data Plate. The next three digits of the serial number should now be keyed in. If the message above appears, immediately contact Press the (ENTER) key to store the input.
  • Page 287: Unit Setup Mode

    Form 201.23-NM2 Section 8 - Micropanel Issue date: 12/19/2023 Unit setup mode This mode may be entered by pressing the PROGRAM key, entering the password 4245, and pressing the Unit Setup Mode will allow the programming all of (ENTER) key. Table 44 on page 287 lists the values the programmable values that the user should never that can be programmed in this mode.
  • Page 288: Default Programmable Values

    Form 201.23-NM2 Section 8 - Micropanel Issue date: 12/19/2023 SETUP MODE ◄ DEF XXXXX LO XXXXX HI XXXXX SETUP MODE SYS 3 MOTOR SENSOR TO IGNORE COMP 1 STARTS = XXXXX ◄ ► XXXXXXXXXXXXXXXXXXXXXXXXX SETUP MODE ◄ DEF XXXXX LO XXXXX HI XXXXX SETUP MODE SYS 4 MOTOR SENSOR TO IGNORE COMP 2 STARTS = XXXXX...
  • Page 289: Analog Input Connections

    Form 201.23-NM2 Section 8 - Micropanel Issue date: 12/19/2023 Table 45 - Serial port connections BOARD HEADER PORT TYPE PORT USE Chiller Control Board TB1 / TB2 RS-232 / RS-485 Printer/RCC and ISN Chiller Control Board J2 / J1 RS-485 Control Panel <->...
  • Page 290 Form 201.23-NM2 Section 8 - Micropanel Issue date: 12/19/2023 Table 46 - Analog input connections (cont'd) BOARD HEADER ANALOG INPUT Chiller Control Board J20-2 Comp 3 Motor Temperature 2 Chiller Control Board J20-3 Comp 3 Motor Temperature 3 Chiller Control Board J20-6 Comp 4 Motor Temperature 1 Chiller Control Board...
  • Page 291: Digital Intput Connections

    Form 201.23-NM2 Section 8 - Micropanel Issue date: 12/19/2023 Digital intput connections J12-3 can also be used as common, as well as chassis ground, or the common terminal point on the Chiller Table 47 on page 291 lists the digital inputs and the Control Board.
  • Page 292: Analog Output Connections

    Form 201.23-NM2 Section 8 - Micropanel Issue date: 12/19/2023 Analog output connections Table 48 on page 292 lists the analog outputs and the circuit board they are located on. The analog output signals are feed to the associated control device from the 2 wires in the associated plug.
  • Page 293: Digital Output Connections

    Form 201.23-NM2 Section 8 - Micropanel Issue date: 12/19/2023 Digital output connections The 0 VAC to 120 VAC single digital outputs from the Relay Output Boards are referenced to neutral (Wire Table 49 on page 293 lists the digital outputs and the 2).
  • Page 294 Form 201.23-NM2 Section 8 - Micropanel Issue date: 12/19/2023 Table 49 - Digital output connections (cont'd) BOARD HEADER ANALOG OUTPUT Chiller Control / Relay Board 3 J11-5 / TB1-12 and 11 Sys 4 Economizer Solenoid Valve Chiller Control / Relay Board 3 J11-6 / TB1-10 and 9 Sys 4 SPARE Chiller Control / Relay Board 3...
  • Page 295: Bacnet, Modbus And Yorktalk 2 Communications

    Form 201.23-NM2 Section 8 - Micropanel Issue date: 12/19/2023 BACNET, MODBUS and YORKTALK 2 See Figure 146 on page 296 “Control Board Connec- tions” for TB1, and TB2 locations. communications In most cases, communication parameters will need Data can be read and in some cases modified using a to be modified.
  • Page 296: Figure 146 - Control Board Connections

    Form 201.23-NM2 Section 8 - Micropanel Issue date: 12/19/2023 LD10637 Figure 146 - Control board connections Connections for ISN communications are on the Chiller The Chiller Control Board contains a dual UART for Control Board on TB1/TB2. TB2 on the Microgateway RS-485 and RS-232 communications.
  • Page 297: Table 51 - Values Required For Bas Communication

    Form 201.23-NM2 Section 8 - Micropanel Issue date: 12/19/2023 The table below shows set-up requirements for each communication protocol. Table 51 - Values required for BAS communication Protocol SETTING DESCRIPTION BACnet MS/TP Modbus RTU YorkTalk 2 DE MODIFIER ADDRESS 0 to 41943 DE MODIFIER OFFSET 0 to 99 P1 PROTOCOL...
  • Page 298 Form 201.23-NM2 Section 8 - Micropanel Issue date: 12/19/2023 BACnet and Modbus communications Communications data map notes Chiller data that can be read and modified using spe- (See Table 53 on page 299) cific BACnet or Modbus Register Addresses; and the 1.
  • Page 299: Table 53 - Bacnet And Modbus Communications Data Map

    Form 201.23-NM2 Section 8 - Micropanel Issue date: 12/19/2023 Table 53 - BACnet and Modbus Communications Data Map Johnson Controls...
  • Page 300 Form 201.23-NM2 Section 8 - Micropanel Issue date: 12/19/2023 Table 53 - BACnet and Modbus communications data map (cont’d) Johnson Controls...
  • Page 301 Form 201.23-NM2 Section 8 - Micropanel Issue date: 12/19/2023 Table 53 - BACnet and Modbus communications data map (cont’d) Johnson Controls...
  • Page 302 Form 201.23-NM2 Section 8 - Micropanel Issue date: 12/19/2023 Table 53 - BACnet and Modbus communications data map (cont’d) Johnson Controls...
  • Page 303 Form 201.23-NM2 Section 8 - Micropanel Issue date: 12/19/2023 Table 53 - BACnet and Modbus communications data map (cont’d) Johnson Controls...
  • Page 304 Form 201.23-NM2 Section 8 - Micropanel Issue date: 12/19/2023 Yorktalk 2 communications Transmitted data After receiving a valid transmission from the Micro- Received data (control data) Gateway or E-Link, the unit will transmit either op- The unit receives eight data values from the Micro- erational data or history buffer data depending on the Gateway or E-Link.
  • Page 305: Section 9 - Maintenance

    Form 201.23-NM2 Issue date: 12/19/2023 Section 9 - Maintenance General requirements Compressor oil level Check the compressor oil level after the compressor The units have been designed to operate continuously, has been operating on ‘FULL LOAD’ for approximate- provided they are regularly maintained and operated ly half an hour.
  • Page 306: Figure 147 - Service Connections

    Form 201.23-NM2 Section 9 - Maintenance Issue date: 12/19/2023 System pressure test Ensure that all the valves in the system including all EEVs, manual valves, and With the refrigerant charge removed and all known ball valves are 100% open, when any leaks repaired, charge the system with a small amount procedures - leak check, evacuation, or of refrigerant mixed with dry nitrogen.
  • Page 307: Figure 149 - Leak Test Hold Times

    Form 201.23-NM2 Section 9 - Maintenance Issue date: 12/19/2023 • For units where there may be a leak and there is Conducting the soap visual gas leak test any amount of drop in recorded pressure, proceed 1. To monitor the system pressure over time, install to either of the following leak detection methods: a high-quality, high-resolution analog pressure Conducting the soap visual gas leak test on page...
  • Page 308 Form 201.23-NM2 Section 9 - Maintenance Issue date: 12/19/2023 3. Before proceeding, make sure that the unit is at 4. With the system evacuated, charge with a vapor the initial evacuation level of 5 mmHg. only for a 10% trace gas, R-134a based on name- plate, into the chiller until the system pressure To prevent freezing of any moisture that reaches 10 psig (69 kPa).
  • Page 309 Form 201.23-NM2 Section 9 - Maintenance Issue date: 12/19/2023 9. To check for tube or tube joint leaks, complete the Vacuum dehydration following steps: Before you perform the final evacuation and system charging, it is necessary to obtain a sufficiently dry a.
  • Page 310: Figure 150 - Evacuation Of Chiller Operation

    Form 201.23-NM2 Section 9 - Maintenance Issue date: 12/19/2023 Figure 150 - Evacuation of chiller operation Table 54 - System pressures Gauge Absolute Boiling temperatures of water, °F Inches of mercury psia Millimeters of Microns (Hg) below one stan- mercury (Hg) dard atmosphere 0 in.
  • Page 311: Figure 151 - Saturation Curve

    Form 201.23-NM2 Section 9 - Maintenance Issue date: 12/19/2023 eventually a temperature of 35°F (1.6°C) or a pressure Dehydration of 5,000 μm is reached. Because vacuum pumps have To ensure that there is confidence in the vacuum decay the capacity to overcome the boiling rate of the trapped related to moisture boiling off, only perform the dehy- moisture, do not go below this pressure at this point.
  • Page 312 Form 201.23-NM2 Section 9 - Maintenance Issue date: 12/19/2023 Conducting the dehydration process Conducting the final evacuation 1. Connect a high-capacity vacuum pump with indi- After the pressure test and vessel dehydration have cator, to the charging valves as shown in Figure been completed, conduct the final evacuation as fol- 147 on page 306 and Figure 148 on page 306 lows:...
  • Page 313 Form 201.23-NM2 Section 9 - Maintenance Issue date: 12/19/2023 the lines are disconnected for changing cylinders or Result any of the components of the charging process. When the 500 μm hold test is successful, you can charge the system using the steps in Refrigerant charg- The charging line must also contain a sight glass.
  • Page 314: Table 55 - R-134A Pressure To Saturated Temperature Conversion

    Form 201.23-NM2 Section 9 - Maintenance Issue date: 12/19/2023 Table 55 - R-134a Pressure to Saturated Temperature Conversion Pressure Dew point Pressure Dew point Pressure Dew point psig (bar) temperature psig (bar) temperature psig (bar) temperature ºF (ºC) ºF (ºC) ºF (ºC) 0.0 (0) -14.9 (-26.1)
  • Page 315 Form 201.23-NM2 Section 9 - Maintenance Issue date: 12/19/2023 unit ON and observe the liquid refrigerant flowing Definitions: from the line into the cylinder. The flow of liquid • EST = Evaporator Saturation temperature; can be should be obvious. calculated from saturated suction pressure on the 5.
  • Page 316: Maintenance Requirements For Yciv Chillers

    Form 201.23-NM2 Section 9 - Maintenance Issue date: 12/19/2023 Maintenance Requirements for YCIV Chillers SEMI- EVERY 5 EVERY * PROCEDURE WEEKLY QUARTERLY ANNUALLY ANNUALLY YEARS HOURS Check Oil Level in Oil Separator Sight Glass. Check Liquid Line Sight Glass/ Moisture Indicator.
  • Page 317: Table 56 - Troubleshooting Guide

    Form 201.23-NM2 Section 9 - Maintenance Issue date: 12/19/2023 Table 56 - Troubleshooting guide (Always remove power to the chiller and assure the DC Bus voltage has bled off) Problem POSSIBLE CAUSE ACTION High Voltage to the Chiller is missing. Supply to the Panel is missing.
  • Page 318 Form 201.23-NM2 Section 9 - Maintenance Issue date: 12/19/2023 Table 56 - Troubleshooting guide (cont'd) Problem POSSIBLE CAUSE ACTION Discharge Temperature Sensor is defective. Check Sensor. Condenser Fans NOT operating or are running back- System Fault: Check Fans. wards. High Discharge Coils dirty.
  • Page 319: Limited Warranty

    2. Equipment is used with any material or any equip- trols, at its option, will repair or replace, FOB point of ment such as evaporators, tubing, other low side shipment, such YORK products or components as it equipment, or refrigerant controls not approved finds defective.
  • Page 320: Chilled Liquid And Suction Temperature Sensor Input Voltage

    Form 201.23-NM2 Section 9 - Maintenance Issue date: 12/19/2023 Chilled liquid and suction temperature sensor input voltage Table 57 - Temperature input voltage sensor (measured signal to shield at the sensor) TEMP. (ºF) VOLTAGE TEMP. (ºF) VOLTAGE TEMP. (ºF) VOLTAGE 16.1 1.52 35.9...
  • Page 321: Table 58 - Outside Air Temperature Sensor Input Voltage (Measured Signal To Shield At The Sensor)

    Form 201.23-NM2 Section 9 - Maintenance Issue date: 12/19/2023 Table 58 - Outside air temperature sensor input voltage (measured signal to shield at the sensor) TEMP. (ºF) VOLTAGE TEMP. (ºF) VOLTAGE TEMP. (ºF) VOLTAGE 0.24 0.68 49.8 2.00 93.3 3.31 1.79 0.71 50.7...
  • Page 322: Table 59 - Pressure Transducer Output Voltage (Measured Signal To Return At The Transducer)

    Form 201.23-NM2 Section 9 - Maintenance Issue date: 12/19/2023 Table 59 - Pressure transducer output voltage (measured signal to return at the transducer) Suction Pressure Discharge Pressure Discharge Pressure Transducer Transducer Transducer (125 PSIG) (275 PSIG) (275 PSIG) Pressure Voltage Pressure Voltage Pressure...
  • Page 323: Table 60 - Motor Temperature Sensor Resistance (Check At The Motor)

    Form 201.23-NM2 Section 9 - Maintenance Issue date: 12/19/2023 Table 60 - Motor temperature sensor resistance (check at the motor) Temp. Rnominal Rtol Rmin Rmax (ºC) (Ohm) (± %) (Ohm) (Ohm) 97,062 5.00 92,209 101,915 77,941 4.60 69,586 76,296 55,391 4.20 52,996 57,643...
  • Page 324: Table 61 - Compressor Motor Overload Settings And Maximum Vsd Frequency

    Form 201.23-NM2 Section 9 - Maintenance Issue date: 12/19/2023 Table 61 - Compressor motor overload settings and maximum VSD frequency 2 Comp Chiller Models with Standard (pin 52 = X) and Ultra Quiet Fans (pin 52 = L) Chiller Model Chiller Nameplate Compressor 1 Over- Compressor 2 Over-...
  • Page 325 Form 201.23-NM2 Section 9 - Maintenance Issue date: 12/19/2023 Table 61 - Compressor motor overload settings and maximum VSD frequency (cont'd) 2 Comp Chiller Models with High Head/High Static Fans (pin 52 = H) Chiller Model Chiller Nameplate Compressor 1 Over- Compressor 2 Over- (2 Comp) Maximum VSD Fre-...
  • Page 326 Form 201.23-NM2 Section 9 - Maintenance Issue date: 12/19/2023 Table 61 - Compressor motor overload settings and maximum VSD frequency (cont'd) 3 Comp Chiller Models with Standard (pin 52 = X) and Ultra Quiet Fans (pin 52 = L) Compressor 3 Chiller Model Chiller Name- Compressor 1...
  • Page 327: Printer Wiring

    Form 201.23-NM2 Section 9 - Maintenance Issue date: 12/19/2023 Printer wiring Printer designs change rapidly. The user should use the printer manual for the A “serial” printer may be connected to the TB1 connec- respective printer for set-up and wiring. tor on the Chiller Logic Board for the purposes of log- ging data and troubleshooting.
  • Page 328 Form 201.23-NM2 Section 9 - Maintenance Issue date: 12/19/2023 Printer cables With high speed serial board Printer cables should be shielded coaxial, #18AWG, SW1 – OFF: (-) Low when busy stranded wire cables, not to exceed 50 ft in length. On 2 –...
  • Page 329: Operating Log Sheet

    Form 201.23-NM2 Section 9 - Maintenance Issue date: 12/19/2023 Operating log sheet Site and chiller information JOB NAME: START DATE: LOCATION: COMPRESSOR # 1 - MODEL #: COMPRESSOR # 2 - MODEL #: SALES ORDER #: COMPRESSOR # 3 - MODEL #: TECHNICIAN NAME: COMPRESSOR # 4 - MODEL #: CHILLER MODEL #:...
  • Page 330 Form 201.23-NM2 Section 9 - Maintenance Issue date: 12/19/2023 Unit operating temperatures and pressures CHILLED LIQUID TEMPERATURES VSD BUS VOLTAGE Entering Temp. = ºF(ºC) Bus 1 = Leaving Temp. = ºF(ºC) Bus 2 = OUTDOOR AMBIENT TEMPERATURES VSD INTERNAL AMBIENT TEMPERATURE OAT = ºF(ºC) Ambient Temp.
  • Page 331 Form 201.23-NM2 Section 9 - Maintenance Issue date: 12/19/2023 System operating conditions ECONOMIZER SOLENOID STATUS SYSTEM STARTS SYS 1 SYS 2 SYS 3 SYS 4 STARTS Economizer SYSTEM 1 (ON/OFF) SYSTEM 2 FEED/DRAIN VALVE % OPEN SYSTEM 3 SYS 1 SYS 2 SYS 3 SYS 4 SYSTEM 4 Feed Valve OIL SEPARATOR LEVEL...
  • Page 332 Form 201.23-NM2 Section 9 - Maintenance Issue date: 12/19/2023 Water system conditions Condenser conditions EVAPORATOR FLOW AIR TEMPERATURE Flow Rate Air ON Temperature ºF (ºC) Air OFF Temperature Evap Pressure Drop FT / LBS ºF (ºC) (Circle One) Glycol Freeze Point ºF (ºC) Johnson Controls...
  • Page 333: Recommended Spare Parts

    Form 201.23-NM2 Issue date: 12/19/2023 Recommended spare parts Table 62 - Recommended spare parts Description MODEL NUMBER YCIV PART NUMBER 024-27322-004 Fan Motor (Standard Low Noise) 024-27322-007 024-34980-005 Fan Motor (Optional Ultra Low Noise) 024-34980-001 Fan Blade (Standard Low Noise) 026-41594-000 Fan Blade (Optional Ultra Low Noise) 026-41942-000...
  • Page 334 5000 Renaissance Drive, New Freedom, Pennsylvania USA 17349 1-800-524-1330 Subject to change without notice. Printed in USA Copyright © by Johnson Controls 2023 www.johnsoncontrols.com ALL RIGHTS RESERVED Form 201.23-NM2 (1223) Issue Date: December 19, 2023 Supersedes: 201.23-NM2 (623)

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