York YCAL0019 Installation Operation & Maintenance
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York YCAL0019 Installation Operation & Maintenance

Air-cooled liquid chillers hermetic scroll style e 50hz 15-65 ton, dual/single circuit
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See also: Installation, Operation & Maintenance Manual
AIR-COOLED LIQUID CHILLERS
HERMETIC SCROLL
INSTALLATION, OPERATION
Supersedes: 150.67-NM2 (1116)
Form 150.67-NM2 (119)
& MAINTENANCE
035-21456-100
YCAL0019, 0022, 0028, 0033, 0043, 0046, 0052, 0056, 0066
AIR-COOLED SCROLL CHILLERS
STYLE E (50HZ)
15-65 TON
LD10950
Dual Circuit
Single Circuit
R-410A
Issue Date:
January 31, 2019

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  • Page 1 AIR-COOLED LIQUID CHILLERS HERMETIC SCROLL INSTALLATION, OPERATION Supersedes: 150.67-NM2 (1116) Form 150.67-NM2 (119) & MAINTENANCE 035-21456-100 YCAL0019, 0022, 0028, 0033, 0043, 0046, 0052, 0056, 0066 AIR-COOLED SCROLL CHILLERS STYLE E (50HZ) 15-65 TON LD10950 Dual Circuit Single Circuit R-410A Issue Date:...
  • Page 2 FORM 150.67-NM2 ISSUE DATE: 01/31/2019 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 3 150.67-CL1 SINGLE CIRCUIT AND DUAL CIRCUIT MODELS This manual contains installation, operation and main- (YCAL0019-0033) , disregard references to “System tenance instructions for both single and dual refriger- 2” which may appear in this manual. Any references to ant circuit models. If your unit is a single circuit model Sys 2 are applicable to YCAL0043-0066 models.
  • Page 4 BASE PRODUCT TYPE NOMINAL CAPACITY UNIT DESIGNATOR REFRIGERANT VOLTAGE/STARTER DESIGN/DEVELOPMENT LEVEL : R-410A : Design Series E : 380 / 3 / 50 : YORK : High Efficiency : Engineering : Chiller Change : Air-Cooled Even Number: or PIN Level : Condensing...

  • Page 5: Table Of Contents

    Sound Reduction Options ..........................19 Unit Components YCAL0019 – 0033 ......................20 Control - Power Panel Components YCAL0019 – 0033 ................21 Unit Components - YCAL0043 – 0066 ......................22 Control / Power Panel Components - YCAL0043 – 0066 ................23 Refrigerant Flow Diagram ..........................
  • Page 6 Leaving Chilled Liquid System Lead/Lag and Compressor Sequencing ............158 Return Chilled Liquid Control ........................158 Return Chilled Liquid System Lead/Lag and Compressor Sequencing ............160 Anti-Recycle Timer ............................161 Anti-Coincidence Timer ..........................161 Evaporator Pump Control and York Hydro Kit Pump Control ............... 161 JOHNSON CONTROLS...
  • Page 7 Pumpdown Control ............................161 Standard Condenser Fan Control ........................ 161 Standard Condenser Fan Control – YCAL0019 – YCAL0033 ..............163 Standard Condenser Fan Control – YCAL0043 – YCAL0066 ..............164 YCAL0019 – 0033 Low Ambient Fan Control Option ................... 165 YCAL0043 –...
  • Page 8 FIGURE 41 - Setpoint Adjust ..........................158 FIGURE 42 - Leaving Water Temperature Control Example .................159 FIGURE 43 - YCAL0019 – YCAL0033 Fan Location (Typical) ................163 FIGURE 44 - YCAL0043 – YCAL0066 Fan Location (Typical) ................164 FIGURE 45 - Typical VFD Location ........................165 FIGURE 46 - Liquid Line Sensing Bulb Location....................165...
  • Page 9 FORM 150.67-NM2 ISSUE DATE: 01/31/2019 LIST OF FIGURES (CONT’D) FIGURE 54 - Typical VFD Enclosure Locations ....................171 FIGURE 55 - Typical VFD Enclosure Configurations ....................172 FIGURE 56 - Inverter Power Wiring Schematic ....................173 FIGURE 57 - Potentiometer Settings ........................173 FIGURE 58 - Inverter Wiring ..........................174 FIGURE 59 - Microboard Layout ...........................180 FIGURE 60 - I/O board Relay Contact Architecture ....................184 FIGURE 61 - Printer to Microboard Electrical Connections...................185...
  • Page 10 TABLE 25 - YCAL0043 – YCAL0066 Condenser Fan Control Using Discharge Pressure Only ......164 TABLE 26 - YCAL0019 – 0028 VFD Low Ambient Option – Condenser Fan Control Operation ......167 TABLE 27 - YCAL033 VFD Low Ambient Option – Condenser Fan Control Operation ........170 TABLE 28 - YCAL0043-0066 VFD Low Ambient Option –...

  • Page 11: Section 1 - General Chiller Information And Safety

    The unit is intended for cooling water or glycol solu- MISSIONING). tions and is not suitable for purposes other than those • Only genuine YORK approved spare parts, oils, specified in this manual. coolants, and refrigerants must be used. This manual contains all the information required for •...

  • Page 12: About This Manual

    FORM 150.67-NM2 SECTION 1 – GENERAL CHILLER INFORMATION AND SAFETY ISSUE DATE: 01/31/2019 Responsibility for Safety MISUSE OF EQUIPMENT Every care has been taken in the design and manufac- Suitability for Application ture of the unit to ensure compliance with the safety The unit is intended for cooling water or glycol solu- requirements listed above.
  • Page 13 FORM 150.67-NM2 SECTION 1 – GENERAL CHILLER INFORMATION AND SAFETY ISSUE DATE: 01/31/2019 Electrical Refrigerants and Oils The unit must be grounded. No installation or main- Refrigerants and oils used in the unit are generally non- tenance work should be attempted on the electrical toxic, non-flammable and non-corrosive, and pose no equipment without first switching power OFF, isolat- special safety hazards.
  • Page 14 FORM 150.67-NM2 ISSUE DATE: 01/31/2019 THIS PAGE INTENTIONALLY LEFT BLANK. JOHNSON CONTROLS...

  • Page 15: Section 2 - Product Description

    SECTION 2 – PRODUCT DESCRIPTION LD10950 DUAL CIRCUIT INTRODUCTION YORK Air-Cooled Scroll Chillers provide chilled wa- Safety code for mechanical refrigeration, ASME, List- ter for all air conditioning applications using central ed and labeled with Intertek Testing Services (ETL) station air handling or terminal units. They are com-...

  • Page 16: Control Center

    FORM 150.67-NM2 SECTION 2 – PRODUCT DESCRIPTION ISSUE DATE: 01/31/2019 Brazed plate heat exchangers shall be UL (Underwrit- Liquid Crystal Display with Light Emitting Diode ers Laboratories) listed. Installing contractor must in- backlighting for outdoor viewing: clude accommodations in the chilled water piping to •...

  • Page 17: Power Panel

    • Compressor power terminals • Discharge pressure (optional) • Compressor motor starting contactors per l.E.C.** • Liquid Temperature Reset via a YORK ISN DDC or Building Automation System (by others) via: • Control power terminals to accept incoming for 115-1-60 control power •...

  • Page 18: Compressor, Piping, Evaporator Options

    110 °F chilling below 30 °F (-1 °C) leaving brine temperature (43 °C). Includes discharge pressure transducers. (This for YCAL0019 – 0066 models. Option includes resized option includes the Discharge Pressure Transducer / thermal expansion valve (Factory-Mounted).

  • Page 19: Condenser And Cabinet Options

    TYPE) – Consists of two (2) Flange adapters for ing alternative to expensive fencing. Additionally, for grooved end pipe (standard 150 psi [10.5 bar] cooler). proper head pressure control, YORK recommends the use of : FLOW SWITCH – The flow switch or its equivalent must be furnished with each unit.

  • Page 20: Unit Components Ycal0019 - 0033

    FORM 150.67-NM2 SECTION 2 – PRODUCT DESCRIPTION ISSUE DATE: 01/31/2019 UNIT COMPONENTS YCAL0019 – 0033 FAN ASSEMBLIES CONTROL / POWER PANEL CONDENSER COILS HEAT EXCHANGER COMPRESSORS FIGURE 1 - COMPONENTS SINGLE SYSTEM UNITS JOHNSON CONTROLS...

  • Page 21: Control - Power Panel Components Ycal0019 - 0033

    FORM 150.67-NM2 SECTION 2 – PRODUCT DESCRIPTION ISSUE DATE: 01/31/2019 CONTROL - POWER PANEL COMPONENTS YCAL0019 – 0033 CIRCUIT BREAKER KEYPAD AND DISPLAY UNIT SWITCH COMPRESSOR CONTACTORS USER TERMINAL BLOCK LD11463 FIGURE 2 - CONTROL/POWER PANEL COMPONENTS SINGLE SYSTEM UNITS...

  • Page 22: Unit Components - Ycal0043 - 0066

    FORM 150.67-NM2 SECTION 2 – PRODUCT DESCRIPTION ISSUE DATE: 01/31/2019 UNIT COMPONENTS - YCAL0043 – 0066 FAN ASSEMBLIES CONDENSER COILS HEAT EXCHANGER LD12477 CONTROL / POWER PANEL COMPRESSORS FIGURE 3 - COMPONENTS DUAL SYSTEM UNITS JOHNSON CONTROLS...

  • Page 23: Control / Power Panel Components - Ycal0043 - 0066

    FORM 150.67-NM2 SECTION 2 – PRODUCT DESCRIPTION ISSUE DATE: 01/31/2019 CONTROL / POWER PANEL COMPONENTS - YCAL0043 – 0066 FAN FUSES TERMINAL BLOCK CR1 / CR2 COMPRESSOR CONTACTS CTB1 LD11458a FIGURE 4 - CONTROL/POWER PANEL COMPONENTS DUAL SYSTEM UNITS JOHNSON CONTROLS...

  • Page 24: Table 1 - Product Identification Number (Pin)

    FORM 150.67-NM2 SECTION 2 – PRODUCT DESCRIPTION ISSUE DATE: 01/31/2019 TABLE 1 - PRODUCT IDENTIFICATION NUMBER (PIN) FEATURE DESCRIPTION OPTION DESCRIPTION Model Model (PIN 1-4) YCAL YCAL 0019 0019 0022 0022 0028 0028 0033 0033 Capacity (Pin 5-8)W 0043 0043 0046 0046 0052...
  • Page 25 FORM 150.67-NM2 SECTION 2 – PRODUCT DESCRIPTION ISSUE DATE: 01/31/2019 TABLE 1 - PRODUCT IDENTIFICATION NUMBER (PIN) (CONT’D) FEATURE DESCRIPTION OPTION DESCRIPTION SAFETY Safety Codes (Pin 24) N American Safety Code (Cul/Cet) No Option Required SENSOR (PIN 25) Special Quote No Motor Current PUMP (PIN 26)
  • Page 26 FORM 150.67-NM2 SECTION 2 – PRODUCT DESCRIPTION ISSUE DATE: 01/31/2019 TABLE 1 - PRODUCT IDENTIFICATION NUMBER (PIN) (CONT’D) FEATURE DESCRIPTION OPTION DESCRIPTION No Flow Switch Required One Flow Switch Required Two Flow Switches Required Three Flow Switches Required FLOW Flow Switch (PIN 41) One Differential Pressure Switch Required Two Differential Pressure Switches Required Three Differential Pressure Switches Required...

  • Page 27: Refrigerant Flow Diagram

    FORM 150.67-NM2 SECTION 2 – PRODUCT DESCRIPTION ISSUE DATE: 01/31/2019 REFRIGERANT FLOW DIAGRAM AIR COOLED CONDENSERS HOT DISCHARGE GAS LINE Optional OPTIONAL DISCHARGE LINE BALL VALVE OPTIONAL SERVICE VALVE LD11417 FIGURE 5 - REFRIGERANT FLOW DIAGRAM JOHNSON CONTROLS...
  • Page 28 FORM 150.67-NM2 ISSUE DATE: 01/31/2019 THIS PAGE INTENTIONALLY LEFT BLANK. JOHNSON CONTROLS...

  • Page 29: Section 3 - Handling And Storage

    FORM 150.67-NM2 ISSUE DATE: 01/31/2019 SECTION 3 – 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 30: Moving The Chiller

    FORM 150.67-NM2 SECTION 3 – HANDLING AND STORAGE ISSUE DATE: 01/31/2019 MOVING THE CHILLER LIFTING USING LUGS Prior to moving the unit, ensure that the installation Units are provided with lifting holes in the base frame site is suitable for installing the unit and is easily ca- which accept the accessory lifting lug set as shown in pable of supporting the weight of the unit and all as- the figure below.

  • Page 31: Section 4 - Installation

    LOCATION AND CLEARANCES ment must be commissioned and serviced These units are designed for outdoor installations on by an authorized YORK service mechanic ground level, rooftop, or beside a building. Location or a qualified service person experienced should be selected for minimum sun exposure and to in chiller installation.

  • Page 32: Spring Isolators (Optional)

    Routing the water piping too close to humid locations. the unit could make compressor servicing/ 7. A chilled water flow switch, (either by YORK or replacement difficult. others) MUST be installed in the leaving water piping of the cooler. There should be a straight...

  • Page 33: Pipework Arrangement

    FORM 150.67-NM2 SECTION 4 – INSTALLATION ISSUE DATE: 01/31/2019 The Flow Switch MUST NOT be used DUCT WORK CONNECTION to start and stop the chiller (i.e. starting General Requirements and stopping the chilled water pump). It is intended only as a safety switch. The following duct work recommendations are intend- ed to ensure satisfactory operation of the unit.
  • Page 34 FORM 150.67-NM2 SECTION 4 – INSTALLATION ISSUE DATE: 01/31/2019 num wiring is not recommended due to thermal char- Alarm Status Contacts acteristics that may cause loose terminations result- Normally-open contacts are available for each re- ing from the contraction and expansion of the wiring. frigerant system.

  • Page 35: Compressor Heaters

    FORM 150.67-NM2 SECTION 4 – INSTALLATION ISSUE DATE: 01/31/2019 When using the Load Limit feature, the RELIEF VALVES PWM feature will not function – SIMUL- Relief valves are located on both the high and low pres- TANEOUS OPERATION OF LOAD sure side of the piping.

  • Page 36: Single-Point Supply Connection

    FORM 150.67-NM2 SECTION 4 – INSTALLATION ISSUE DATE: 01/31/2019 SINGLE-POINT SUPPLY CONNECTION TERMINAL BLOCK, NON-FUSED DISCONNECT SWITCH OR CIRCUIT BREAKER Power Panel Power Panel Power Panel Control Panel Control Panel Control Panel Terminal Block, Terminal Block, MICROPANEL MICROPANEL NF Disconnect SW NF Disconnect SW or Circuit Breaker or Circuit Breaker...

  • Page 37: Control Wiring

    FORM 150.67-NM2 SECTION 4 – INSTALLATION ISSUE DATE: 01/31/2019 CONTROL WIRING FLOW SW LOAD LIMIT INPUT REMOTE START/STOP CTB1 CTB1 LD07725B * Factory wired with optional transformer. LD07730 CTB2 It is possible that multiple sources of The unit evaporator heater uses 120VAC. power can be supplying the unit power Disconnecting 120VAC power from the panel.
  • Page 38 FORM 150.67-NM2 ISSUE DATE: 01/31/2019 THIS PAGE INTENTIONALLY LEFT BLANK. JOHNSON CONTROLS...

  • Page 39: Section 5 - Technical Data

    FORM 150.67-NM2 ISSUE DATE: 01/31/2019 SECTION 5 – TECHNICAL DATA OPERATIONAL LIMITATIONS TABLE 2 - TEMPERATURES AND FLOWS ENGLISH LEAVING WATER COOLER FLOW (GPM) AIR ON CONDENSER ( °F) TEMPERATURE ( °F) YCAL 0019 0022 0028 0033 0043 0046 0052 0056 0066 NOTES:...

  • Page 40: Operation Limitations (English)

    ENGLISH 1000.0 100.0 10.0 1000 FLOW, GPM LD14085 YCAL COOLER CURVE 0019 0022 0028 0033 NOTE: Water Pressure Drop Curves may extend past the minimum and maximum water flow ranges. FIGURE 9 - YCAL0019-0033 HEAT EXCHANGER FLOW, GPM JOHNSON CONTROLS...

  • Page 41: Figure 10 - Ycal0043-0066 Heat Exchanger Flow, Gpm

    FORM 150.67-NM2 SECTION 5 – TECHNICAL DATA ISSUE DATE: 01/31/2019 OPERATION LIMITATIONS (ENGLISH) YCAL0043-0066 HEAT EXCHANGER FLOW, GPM ENGLISH 1000 FLOW, GPM LD12451 YCAL COOLER CURVE 0043 0046 0052 0056 0066 NOTE: Water Pressure Drop Curves may extend past the minimum and maximum water flow ranges. FIGURE 10 - YCAL0043-0066 HEAT EXCHANGER FLOW, GPM JOHNSON CONTROLS...
  • Page 42 FORM 150.67-NM2 SECTION 5 – TECHNICAL DATA ISSUE DATE: 01/31/2019 THIS PAGE INTENTIONALLY LEFT BLANK. JOHNSON CONTROLS...

  • Page 43: Operational Limitations (Si)

    1. For leaving brine temperature below 40 °F (4.4 °C), contact your nearest YORK Office for application requirements. 2. For leaving water temperature higher than 55 °F (12.8 °C), contact the nearest YORK Office for application guidelines. 3. The evaporator is protected against freezing to -20 °F (-28.8 °C) with an electric heater as standard.

  • Page 44: Figure 11 - Ycal0019-0033 Heat Exchanger Flow, Gpm

    YCAL0019-0033 HEAT EXCHANGER FLOW, GPM 1000.0 100.0 10.0 FLOW, L/S LD14086 YCAL COOLER CURVE 0019 0022 0028 0033 NOTE: Water Pressure Drop Curves may extend past the minimum and maximum water flow ranges. FIGURE 11 - YCAL0019-0033 HEAT EXCHANGER FLOW, GPM JOHNSON CONTROLS...

  • Page 45: Figure 12 - Ycal0043-0066 Heat Exchanger Flow, Gpm

    FORM 150.67-NM2 SECTION 5 – TECHNICAL DATA ISSUE DATE: 01/31/2019 OPERATIONAL LIMITATIONS (SI) YCAL0043-0066 HEAT EXCHANGER FLOW, GPM 1000 FLOW, L/S LD12452 YCAL COOLER CURVE 0043 0046 0052 0056 0066 NOTE: Water Pressure Drop Curves may extend past the minimum and maximum water flow ranges. FIGURE 12 - YCAL0043-0066 HEAT EXCHANGER FLOW, GPM JOHNSON CONTROLS...

  • Page 46: Physical Data (English)

    FORM 150.67-NM2 SECTION 5 – TECHNICAL DATA ISSUE DATE: 01/31/2019 PHYSICAL DATA (ENGLISH) YCAL0019_ – YCAL0066_ 50 HZ TABLE 7 - PHYSICAL DATA (ENGLISH) MODEL YCAL00 LENGTH, mm 2789 2789 2789 2789 3678 3678 3678 3678 3901 WIDTH, mm 1135 1135 1135 1135...
  • Page 47 FORM 150.67-NM2 SECTION 5 – TECHNICAL DATA ISSUE DATE: 01/31/2019 THIS PAGE INTENTIONALLY LEFT BLANK. JOHNSON CONTROLS...

  • Page 48: Sound Data (English)

    SOUND DATA (ENGLISH) YCAL0019_ – YCAL0033_ TABLE 8 - SOUND DATA – 50 HZ LINE FREQUENCY SINGLE CIRCUIT UNITS LOW NOISE FAN (STANDARD) 1000 2000 4000 8000 YCAL0019 YCAL0022 YCAL0028 YCAL0033 LOW NOISE FAN WITH COMPRESSOR SOUND BLANKETS 1000 2000 4000 8000...
  • Page 49 FORM 150.67-NM2 SECTION 5 – TECHNICAL DATA ISSUE DATE: 01/31/2019 SOUND DATA (ENGLISH) YCAL0043_ – YCAL0066_ TABLE 8 - SOUND DATA – 50 HZ LINE FREQUENCY (CONT’D) DUAL CIRCUIT UNITS LOW NOISE FAN (STANDARD) R-410A 1000 2000 4000 8000 YCAL0043 YCAL0046 YCAL0052 YCAL0056...

  • Page 50: Electrical Data (English)

    FORM 150.67-NM2 SECTION 5 – TECHNICAL DATA ISSUE DATE: 01/31/2019 ELECTRICAL DATA (ENGLISH) YCAL0019_ – YCAL0066_ (WITHOUT PUMP) TABLE 9 - ELECTRICAL DATA (ENGLISH) FIELD WIRING LUGS FIELD WIRING LUGS NF FIELD WIRING LUGS D.E. Fuse CKT. BKR. TERMINAL BLOCK (std) DISC SWITCH (opt) CIRCUIT BREAKER (opt) Model...
  • Page 51 FORM 150.67-NM2 SECTION 5 – TECHNICAL DATA ISSUE DATE: 01/31/2019 SYSTEM #1 COMPRESSOR and FAN SYSTEM #2 COMPRESSOR and FAN COMPR. #1 COMPR. #2 FANS COMPR. #1 COMPR. #2 FANS 18.6 18.6 20.0 20.0 21.8 23.7 17.5 26.4 26.4 19.0 20.0 20.0 19.0...

  • Page 52: Table 10 - Micro Panel Power Supply

    FORM 150.67-NM2 SECTION 5 – TECHNICAL DATA ISSUE DATE: 01/31/2019 ELECTRICAL DATA TABLE 10 - MICRO PANEL POWER SUPPLY OVER CURRENT PROTECTION, CONTROL UNIT VOLTAGE POWER SEE NOTE B NF DISC SW UNIT NOTE A MODELS W/O VOLTAGE 115-1-60/50 CONTROL 30 A / 240V TRANS 380/415-1-60...

  • Page 53: Electrical Notes And Legend

    FORM 150.67-NM2 SECTION 5 – TECHNICAL DATA ISSUE DATE: 01/31/2019 ELECTRICAL NOTES AND LEGEND NOTES: 1. Minimum Circuit Ampacity (MCA) is based on 7. A ground lug is provided for each compressor 125% of the rated load amps for the largest mo- system to accommodate a field grounding con- tor plus 100% of the rated load amps for all other ductor per N.E.C.

  • Page 54: Elementary Wiring Diagram

    SECTION 5 – TECHNICAL DATA ISSUE DATE: 01/31/2019 ELEMENTARY WIRING DIAGRAM YCAL0019, 0022, 0028 & 0033 STANDARD UNITS YCAL0019, 0022 0028 & 0033 STANDARD LOW SOUND UNITS YCAL0028 & 0033 ULTRA LOW SOUND UNITS FIGURE 13 - CONTROL CIRCUIT, SINGLE JOHNSON CONTROLS...
  • Page 55 FORM 150.67-NM2 SECTION 5 – TECHNICAL DATA ISSUE DATE: 01/31/2019 ELEMENTARY WIRING DIAGRAM (CONT’D) LD12699D FIGURE 13 - CONTROL CIRCUIT, SINGLE (CONT’D) JOHNSON CONTROLS...

  • Page 56: Figure 14 - Control Circuit, Dual

    FORM 150.67-NM2 SECTION 5 – TECHNICAL DATA ISSUE DATE: 01/31/2019 ELEMENTARY WIRING DIAGRAM YCAL0043, 0046, 0052 & 0066 STANDARD UNITS YCAL0043, 0046, 0052 & 0066 STANDARD LOW SOUND UNITS YCAL0043, 0046, 0052 & 0066 ULTRA LOW SOUND UNITS LD21049a FIGURE 14 - CONTROL CIRCUIT, DUAL JOHNSON CONTROLS...
  • Page 57 FORM 150.67-NM2 SECTION 5 – TECHNICAL DATA ISSUE DATE: 01/31/2019 ELEMENTARY WIRING DIAGRAM (CONT’D) LD21049b FIGURE 14 - CONTROL CIRCUIT, DUAL (CONT’D) JOHNSON CONTROLS...

  • Page 58: Figure 15 - Power Circuit, Single

    FORM 150.67-NM2 SECTION 5 – TECHNICAL DATA ISSUE DATE: 01/31/2019 ELEMENTARY WIRING DIAGRAM YCAL 0019 & 0022 STANDARD UNITS YCAL 0019 & 0022 STANDARD LOW SOUND UNITS LD12197 FIGURE 15 - POWER CIRCUIT, SINGLE JOHNSON CONTROLS...
  • Page 59 FORM 150.67-NM2 SECTION 5 – TECHNICAL DATA ISSUE DATE: 01/31/2019 ELEMENTARY WIRING DIAGRAM (CONT’D) LD12198 FIGURE 15 - POWER CIRCUIT, SINGLE (CONT’D) JOHNSON CONTROLS...

  • Page 60: Figure 16 - Power Circuit, Single, Style D

    FORM 150.67-NM2 SECTION 5 – TECHNICAL DATA ISSUE DATE: 01/31/2019 ELEMENTARY WIRING DIAGRAM YCAL 0019, 0022, 0028 & 0033 STANDARD UNITS YCAL 0019, 0022, 0028 & 0033 STANDARD LOW SOUND UNITS YCAL 0028 & 0033 ULTRA LOW SOUND UNITS LD12701 FIGURE 16 - POWER CIRCUIT, SINGLE, STYLE D JOHNSON CONTROLS...
  • Page 61 FORM 150.67-NM2 SECTION 5 – TECHNICAL DATA ISSUE DATE: 01/31/2019 ELEMENTARY WIRING DIAGRAM (CONT’D) LD12702 FIGURE 16 - POWER CIRCUIT, SINGLE, STYLE D (CONT’D) JOHNSON CONTROLS...

  • Page 62: Figure 17 - Power Circuit, Dual, Style D

    FORM 150.67-NM2 SECTION 5 – TECHNICAL DATA ISSUE DATE: 01/31/2019 ELEMENTARY WIRING DIAGRAM YCAL0043, 0046, 0052, 0056 & 0066 STANDARD UNITS YCAL0043, 0046, 0052, 0056 & 0066STANDARD LOW SOUND UNITS YCAL0043, 0046, 0052, 0056 & 0066 ULTRA LOW SOUND UNITS LD12695 FIGURE 17 - POWER CIRCUIT, DUAL, STYLE D JOHNSON CONTROLS...
  • Page 63 FORM 150.67-NM2 SECTION 5 – TECHNICAL DATA ISSUE DATE: 01/31/2019 ELEMENTARY WIRING DIAGRAM (CONT’D) LD12696 FIGURE 17 - POWER CIRCUIT, DUAL, STYLE D (CONT’D) JOHNSON CONTROLS...

  • Page 64: Connection Wiring Diagram

    ISSUE DATE: 01/31/2019 CONNECTION WIRING DIAGRAM YCAL0019, 0022, 0028, & 0033 STANDARD UNITS YCAL0019, 0022, 0028, & 0033 STANDARD LOW SOUND UNITS YCAL 0028 & 0033 ULTRA LOW SOUND UNITS FIGURE 18 - CONNECTION WIRING DIAGRAM MICROBOARD, SINGLE CIRCUIT JOHNSON CONTROLS...
  • Page 65 FORM 150.67-NM2 SECTION 5 – TECHNICAL DATA ISSUE DATE: 01/31/2019 CONNECTION WIRING DIAGRAM (CONT’D) LD12703B FIGURE 18 - CONNECTION WIRING DIAGRAM MICROBOARD, SINGLE CIRCUIT (CONT’D) JOHNSON CONTROLS...

  • Page 66: Figure 19 - Connection Wiring Diagram Microboard, Dual Circuit

    FORM 150.67-NM2 SECTION 5 – TECHNICAL DATA ISSUE DATE: 01/31/2019 CONNECTION WIRING DIAGRAM YCAL0043, 0046, 0052, 0056 & 0066 STANDARD UNITS YCAL0043, 0046, 0052, 0056 & 0066 STANDARD LOW SOUND UNITS YCAL0043, 0046, 0052, 0056 & 0066 ULTRA LOW SOUND UNITS FIGURE 19 - CONNECTION WIRING DIAGRAM MICROBOARD, DUAL CIRCUIT JOHNSON CONTROLS...
  • Page 67 FORM 150.67-NM2 SECTION 5 – TECHNICAL DATA ISSUE DATE: 01/31/2019 CONNECTION WIRING DIAGRAM (CONT’D) LD12697B FIGURE 19 - CONNECTION WIRING DIAGRAM MICROBOARD, DUAL CIRCUIT (CONT’D) JOHNSON CONTROLS...

  • Page 68: Elementary Wiring Diagram Details

    ISSUE DATE: 01/31/2019 ELEMENTARY WIRING DIAGRAM DETAILS YCAL0019, 0022, 028 & 0033 STANDARD UNITS YCAL0019, 0022, 028 & 0033 STANDARD LOW SOUND UNITS YCAL0028 & 0033 ULTRA LOW SOUND UNITS LD12690C FIGURE 20 - ELEMENTARY WIRING DIAGRAM DETAILS, SINGLE CIRCUIT...

  • Page 69: Figure 21 - Elementary Wiring Diagram Details, Dual Circuit

    FORM 150.67-NM2 SECTION 5 – TECHNICAL DATA ISSUE DATE: 01/31/2019 ELEMENTARY WIRING DIAGRAM DETAILS YCAL0043, 0046, 0052, 0056 & 0066 STANDARD UNITS YCAL0043, 0046, 0052, 0056 & 0066 STANDARD LOW SOUND UNITS YCAL0043, 0046, 0052, 0056 & 0066 ULTRA LOW SOUND UNITS LD12689 FIGURE 21 - ELEMENTARY WIRING DIAGRAM DETAILS, DUAL CIRCUIT JOHNSON CONTROLS...

  • Page 70: Dimensions

    Site restrictions may compromise minimum clearances indicated below, resulting in unpredictable airflow patterns and possible diminished performance. YORK’s unit controls will optimize operation without nuisance high-pressure safety cutouts; however, the system designer must consider potential performance degradation. Recommended minimum clearances: front to wall – 6'; rear to wall –...
  • Page 71 2 1/4" 13 3/4" (2) 7.0 X 2.25 FORKLIFT HOLES BOTH SIDES (2) 3.0 X 1.50 15 5/8" RIGGING HOLES BOTH SIDES 44 1/2" 74 1/2" 97 1/8" 109 3/16" FRONT VIEW FIGURE 22 - DIMENSIONS - YCAL0019 (CONT’D) JOHNSON CONTROLS...

  • Page 72: Figure 23 - Dimensions - Ycal0022

    Site restrictions may compromise minimum clearances indicated below, resulting in unpredictable airflow patterns and possible diminished performance. YORK’s unit controls will optimize operation without nuisance high-pressure safety cutouts; however, the system designer must consider potential performance degradation. Recommended minimum clearances: front to wall – 6'; rear to wall –...
  • Page 73 FORM 150.67-NM2 SECTION 5 – TECHNICAL DATA ISSUE DATE: 01/31/2019 DIMENSIONS – YCAL0022 (ENGLISH) (CONT’D) 9/16" DIA MOUNTING HOLES(typ) 1 1/16" CONTROL COMPR PANEL 44 3/8" END CAP WIDTH 32 1/8" 6 1/8" 1 1/16" ORIGIN 2 1/4" 5" TOP VIEW 17"...

  • Page 74: Figure 24 - Dimensions - Ycal0028

    Site restrictions may compromise minimum clearances indicated below, resulting in unpredictable airflow patterns and possible diminished performance. YORK’s unit controls will optimize operation without nuisance high-pressure safety cutouts; however, the system designer must consider potential performance degradation. Recommended minimum clearances: front to wall – 6'; rear to wall –...
  • Page 75 FORM 150.67-NM2 SECTION 5 – TECHNICAL DATA ISSUE DATE: 01/31/2019 DIMENSIONS – YCAL0028 (ENGLISH) (CONT’D) 5/8" DIA MOUNTING HOLES(TYP) 1 1/16" CONTROL COMPR PANEL 44 3/8" END CAP WIDTH 32 1/8" 6 1/8" 1 1/16" 1 7/8" ORIGIN 5" 17" TOP VIEW R-410A CHILLER 1"...

  • Page 76: Figure 25 - Dimensions - Ycal0033

    Site restrictions may compromise minimum clearances indicated below, resulting in unpredictable airflow patterns and possible diminished performance. YORK’s unit controls will optimize operation without nuisance high-pressure safety cutouts; however, the system designer must consider potential performance degradation. Recommended minimum clearances: front to wall – 6'; rear to wall –...
  • Page 77 FORM 150.67-NM2 SECTION 5 – TECHNICAL DATA ISSUE DATE: 01/31/2019 DIMENSIONS – YCAL0033 (ENGLISH) (CONT’D) 9/16" DIA MOUNTING HOLES(typ) 1 1/16" CONTROL COMPR PANEL 44 3/8" END CAP WIDTH 32 1/8" 6 1/8" 1 1/16" 1 7/8" ORIGIN 5" 17" TOP VIEW 1"...

  • Page 78: Figure 26 - Dimensions - Ycal0043

    Site restrictions may compromise minimum clearances indicated below, resulting in unpredictable airflow patterns and possible diminished performance. YORK’s unit controls will optimize operation without nuisance high-pressure safety cutouts; however, the system designer must consider potential performance degradation. Recommended minimum clearances: front to wall – 6'; rear to wall –...
  • Page 79 FORM 150.67-NM2 SECTION 5 – TECHNICAL DATA ISSUE DATE: 01/31/2019 DIMENSIONS – YCAL0043 (ENGLISH) (CONT’D) 9/16" DIA MOUNTING HOLES(typ) 1 1/16" COIL COOLER 90 9/16" END CAP WIDTH 45 5/16" 1 1/16" 9 13/16" 9 13/16" ORIGIN 21 13/16" TOP VIEW 5 5/16"...

  • Page 80: Figure 27 - Dimensions - Ycal0046

    Site restrictions may compromise minimum clearances indicated below, resulting in unpredictable airflow patterns and possible diminished performance. YORK’s unit controls will optimize operation without nuisance high-pressure safety cutouts; however, the system designer must consider potential performance degradation. Recommended minimum clearances: front to wall – 6'; rear to wall –...
  • Page 81 FORM 150.67-NM2 SECTION 5 – TECHNICAL DATA ISSUE DATE: 01/31/2019 DIMENSIONS – YCAL0046 (ENGLISH) (CONT’D) 9/16" DIA MOUNTING HOLES(typ) 1 1/16" COIL COOLER 90 9/16" END CAP WIDTH 45 5/16" 1 1/16" 9 13/16" 9 13/16" ORIGIN 20 1/16" TOP VIEW 5 5/16"...

  • Page 82: Figure 28 - Dimensions - Ycal0052

    Site restrictions may compromise minimum clearances indicated below, resulting in unpredictable airflow patterns and possible diminished performance. YORK’s unit controls will optimize operation without nuisance high-pressure safety cutouts; however, the system designer must consider potential performance degradation. Recommended minimum clearances: front to wall – 6'; rear to wall –...
  • Page 83 FORM 150.67-NM2 SECTION 5 – TECHNICAL DATA ISSUE DATE: 01/31/2019 DIMENSIONS – YCAL0052 (ENGLISH) (CONT’D) 5/8" DIA MOUNTING HOLES(TYP) 1 1/16" COIL COOLER 90 9/16" END CAP WIDTH 45 5/16" 1 1/16" 9 13/16" 9 13/16" ORIGIN TOP VIEW 20 1/16" R-410A CHILLER 5 5/16"...

  • Page 84: Figure 29 - Dimensions - Ycal0056

    Site restrictions may compromise minimum clearances indicated below, resulting in unpredictable airflow patterns and possible diminished performance. YORK’s unit controls will optimize operation without nuisance high-pressure safety cutouts; however, the system designer must consider potential performance degradation. Recommended minimum clearances: front to wall – 6'; rear to wall –...
  • Page 85 FORM 150.67-NM2 SECTION 5 – TECHNICAL DATA ISSUE DATE: 01/31/2019 DIMENSIONS – YCAL0056 (ENGLISH) (CONT’D) 5/8" DIA MOUNTING HOLES(TYP) 1 1/16" COIL COOLER 90 9/16" END CAP WIDTH 45 5/16" 1 1/16" 1,015 ORIGIN 9 13/16" 9 13/16" TOP VIEW 18 7/16"...

  • Page 86: Figure 30 - Dimensions - Ycal0066

    Site restrictions may compromise minimum clearances indicated below, resulting in unpredictable airflow patterns and possible diminished performance. YORK’s unit controls will optimize operation without nuisance high-pressure safety cutouts; however, the system designer must consider potential performance degradation. Recommended minimum clearances: front to wall – 6'; rear to wall –...
  • Page 87 FORM 150.67-NM2 SECTION 5 – TECHNICAL DATA ISSUE DATE: 01/31/2019 DIMENSIONS – YCAL0066 (ENGLISH) (CONT’D) 9/16" DIA MOUNTING HOLES(typ) 1 1/16" COIL COOLER 90 9/16" END CAP WIDTH 43 5/16" 1 1/16" ORIGIN 9 13/16" 9 13/16" TOP VIEW 16 11/16" 5 3/16"...

  • Page 88: Dimensions (Si)

    Site restrictions may compromise minimum clearances indicated below, resulting in unpredictable airflow patterns and possible diminished performance. YORK’s unit controls will optimize operation without nuisance high-pressure safety cutouts; however, the system designer must consider potential performance degradation. Recommended minimum clearances: front to wall – 2m;...

  • Page 89: Figure 31 - Dimensions - Ycal0019 (Si)

    END CAP WIDTH ORIGIN TOP VIEW CONTROL PANEL (2) 178 X 57 FORKLIFT HOLES BOTH SIDES (2) 76 X 38 RIGGING HOLES BOTH SIDES 1130 1892 2466 2774 FRONT VIEW FIGURE 31 - DIMENSIONS - YCAL0019 (SI) (CONT’D) JOHNSON CONTROLS...

  • Page 90: Figure 32 - Dimensions - Ycal0022 (Si)

    Site restrictions may compromise minimum clearances indicated below, resulting in unpredictable airflow patterns and possible diminished performance. YORK’s unit controls will optimize operation without nuisance high-pressure safety cutouts; however, the system designer must consider potential performance degradation. Recommended minimum clearances: front to wall – 2m;...
  • Page 91 FORM 150.67-NM2 SECTION 5 – TECHNICAL DATA ISSUE DATE: 01/31/2019 DIMENSIONS – YCAL0022 (SI) (CONT’D) 14 DIA MOUNTING HOLES(typ) CONTROL COMPR PANEL 1128 END CAP WIDTH ORIGIN TOP VIEW CONTROL PANEL (2) 178 X 57 FORKLIFT HOLES BOTH SIDES (2) 76 X 38 RIGGING HOLES BOTH SIDES 1130...

  • Page 92: Figure 33 - Dimensions - Ycal0028 (Si)

    Site restrictions may compromise minimum clearances indicated below, resulting in unpredictable airflow patterns and possible diminished performance. YORK’s unit controls will optimize operation without nuisance high-pressure safety cutouts; however, the system designer must consider potential performance degradation. Recommended minimum clearances: front to wall – 2m;...
  • Page 93 FORM 150.67-NM2 SECTION 5 – TECHNICAL DATA ISSUE DATE: 01/31/2019 DIMENSIONS – YCAL0028 (SI) (CONT’D) 16 DIA MOUNTING HOLES(TYP) CONTROL COMPR PANEL 1128 END CAP WIDTH ORIGIN TOP VIEW R-410A CHILLER CONTROL PANEL 1070 (2) 178 X 57 FORKLIFT HOLES (2) 76 X 38 BOTH SIDES RIGGING HOLES...

  • Page 94: Figure 34 - Dimensions - Ycal0033 (Si)

    Site restrictions may compromise minimum clearances indicated below, resulting in unpredictable airflow patterns and possible diminished performance. YORK’s unit controls will optimize operation without nuisance high-pressure safety cutouts; however, the system designer must consider potential performance degradation. Recommended minimum clearances: front to wall – 2m;...
  • Page 95 FORM 150.67-NM2 SECTION 5 – TECHNICAL DATA ISSUE DATE: 01/31/2019 DIMENSIONS – YCAL0033 (SI) (CONT’D) 14 DIA MOUNTING HOLES(typ) CONTROL COMPR PANEL 1128 END CAP WIDTH ORIGIN TOP VIEW CONTROL PANEL 1070 (2) 178 X 57 FORKLIFT HOLES BOTH SIDES (2) 76 X 38 RIGGING HOLES 1282...

  • Page 96: Figure 35 - Dimensions - Ycal0043 (Si)

    Site restrictions may compromise minimum clearances indicated below, resulting in unpredictable airflow patterns and possible diminished performance. YORK’s unit controls will optimize operation without nuisance high-pressure safety cutouts; however, the system designer must consider potential performance degradation. Recommended minimum clearances: front to wall – 2m;...
  • Page 97 FORM 150.67-NM2 SECTION 5 – TECHNICAL DATA ISSUE DATE: 01/31/2019 DIMENSIONS – YCAL0043 (SI) (CONT’D) 14 DIA MOUNTING HOLES(typ) COIL COOLER 2301 END CAP WIDTH 1150 ORIGIN TOP VIEW CONTROL PANEL TWO LIFTING HOLES BOTH SIDES 3678 FRONT VIEW FIGURE 35 - DIMENSIONS - YCAL0043 (SI) (CONT’D) JOHNSON CONTROLS...

  • Page 98: Figure 36 - Dimensions - Ycal0046 (Si)

    Site restrictions may compromise minimum clearances indicated below, resulting in unpredictable airflow patterns and possible diminished performance. YORK’s unit controls will optimize operation without nuisance high-pressure safety cutouts; however, the system designer must consider potential performance degradation. Recommended minimum clearances: front to wall – 2m;...
  • Page 99 FORM 150.67-NM2 SECTION 5 – TECHNICAL DATA ISSUE DATE: 01/31/2019 DIMENSIONS – YCAL0046 (SI) (CONT’D) 14 DIA MOUNTING HOLES(typ) COIL COOLER 2301 END CAP WIDTH 1150 ORIGIN TOP VIEW CONTROL PANEL TWO LIFTING HOLES BOTH SIDES 3678 FRONT VIEW FIGURE 36 - DIMENSIONS - YCAL0046 (SI) (CONT’D) JOHNSON CONTROLS...

  • Page 100: Figure 37 - Dimensions - Ycal0052 (Si)

    Site restrictions may compromise minimum clearances indicated below, resulting in unpredictable airflow patterns and possible diminished performance. YORK’s unit controls will optimize operation without nuisance high-pressure safety cutouts; however, the system designer must consider potential performance degradation. Recommended minimum clearances: front to wall – 2m;...
  • Page 101 FORM 150.67-NM2 SECTION 5 – TECHNICAL DATA ISSUE DATE: 01/31/2019 DIMENSIONS – YCAL0052 (SI) (CONT’D) 16 DIA MOUNTING HOLES(TYP) COIL COOLER 2301 END CAP WIDTH 1150 ORIGIN TOP VIEW R-410A CHILLER CONTROL PANEL TWO LIFTING HOLES BOTH SIDES 3678 FRONT VIEW FIGURE 37 - DIMENSIONS - YCAL0052 (SI) (CONT’D) JOHNSON CONTROLS...

  • Page 102: Figure 38 - Dimensions - Ycal0056 (Si)

    Site restrictions may compromise minimum clearances indicated below, resulting in unpredictable airflow patterns and possible diminished performance. YORK’s unit controls will optimize operation without nuisance high-pressure safety cutouts; however, the system designer must consider potential performance degradation. Recommended minimum clearances: front to wall – 2m;...
  • Page 103 FORM 150.67-NM2 SECTION 5 – TECHNICAL DATA ISSUE DATE: 01/31/2019 DIMENSIONS – YCAL0056 (SI) (CONT’D) 16 DIA MOUNTING HOLES(TYP) COIL COOLER 2301 END CAP WIDTH 1151 1,015 ORIGIN TOP VIEW R-410A CHILLER CONTROL PANEL TWO LIFTING HOLES BOTH SIDES 3678 FRONT VIEW FIGURE 38 - DIMENSIONS - YCAL0056 (SI) (CONT’D) JOHNSON CONTROLS...

  • Page 104: Figure 39 - Dimensions - Ycal0066 (Si)

    Site restrictions may compromise minimum clearances indicated below, resulting in unpredictable airflow patterns and possible diminished performance. YORK’s unit controls will optimize operation without nuisance high-pressure safety cutouts; however, the system designer must consider potential performance degradation. Recommended minimum clearances: front to wall – 2m;...
  • Page 105 FORM 150.67-NM2 SECTION 5 – TECHNICAL DATA ISSUE DATE: 01/31/2019 DIMENSIONS – YCAL0066 (SI) (CONT’D) 14 DIA MOUNTING HOLES(typ) COIL COOLER 2301 END CAP WIDTH 1100 ORIGIN TOP VIEW CONTROL PANEL TWO LIFTING HOLES BOTH SIDES 3902 FRONT VIEW FIGURE 39 - DIMENSIONS - YCAL0066 (SI) (CONT’D) JOHNSON CONTROLS...

  • Page 106: Technical Data - Clearances

    FORM 150.67-NM2 SECTION 5 – TECHNICAL DATA ISSUE DATE: 01/31/2019 TECHNICAL DATA – CLEARANCES (2 m) (1.3 m) LD10506 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. FIGURE 40 - UNIT CLEARANCES –...

  • Page 107: Isolators

    SECTION 5 – TECHNICAL DATA ISSUE DATE: 01/31/2019 ISOLATORS WEIGHT DISTRIBUTION AND ISOLATOR MOUNTING POSITIONS YCAL0019 – 0033 (WITHOUT PUMP PACKAGE OPTION) GENERAL Weights of specific chiller models vary significantly as Whenever the isolator option is ordered, the isolators options are added. As a result, total weights, weights at will be shipped loose with the chiller.

  • Page 108: Table 12 - Isolator Selection Ycal0019 - 0033 (Without Pump Package Option)

    FORM 150.67-NM2 SECTION 5 – TECHNICAL DATA ISSUE DATE: 01/31/2019 TABLE 12 - ISOLATOR SELECTION YCAL0019 - 0033 (WITHOUT PUMP PACKAGE OPTION) STANDARD ALUMINUM CONDENSER FINS OPTIONAL COPPER CONDENSER FINS LOCATION 1” Deflection CIP-B-450 CIP-B-750 CIP-B-450 CIP-B-750 CIP-B-450 CIP-B-750 CIP-B-450 CIP-B-750...
  • Page 109 FORM 150.67-NM2 SECTION 5 – TECHNICAL DATA ISSUE DATE: 01/31/2019 WEIGHT DISTRIBUTION AND ISOLATOR MOUNTING POSITIONS YCAL0043 – 0066 GENERAL Weights of specific chiller models vary significantly as Whenever the isolator option is ordered, the isolators options are added. As a result, total weights, weights at will be shipped loose with the chiller.
  • Page 110 FORM 150.67-NM2 SECTION 5 – TECHNICAL DATA ISSUE DATE: 01/31/2019 ISOLATOR DETAILS - ONE INCH DEFLECTION SPRING ISOLATOR CROSS-REFERENCE Units shipped on or after June 15, 2008 CP Model Isolators 5/8" H" C" T" B" L" D" W" DIMENSION DATA (INCHES) MOUNT TYPE 7-3/4...
  • Page 111 FORM 150.67-NM2 SECTION 5 – TECHNICAL DATA ISSUE DATE: 01/31/2019 ONE INCH DEFLECTION SPRING ISOLATORS INSTALLATION INSTRUCTIONS Units shipped on or after June 15, 2008 1. Read Instructions In Their Entirety Before Begin- 6. The Adjustment Process Can Only Begin After ning Installation.
  • Page 112 FORM 150.67-NM2 SECTION 5 – TECHNICAL DATA ISSUE DATE: 01/31/2019 DURULENE ISOLATOR CROSS-REFERENCE Units shipped on or after June 15, 2008 RD Model Isolators ELASTOMER DIMENSION DATA (INCHES) MOUNT TYPE RD1-WR 3.13 1.75 1.25 2.38 0.34 0.19 5/16-18 UNC X 3/4 1.25 RD2-WR 3.88...
  • Page 113 FORM 150.67-NM2 SECTION 5 – TECHNICAL DATA ISSUE DATE: 01/31/2019 INSTALLATION OF DURULENE VIBRATION ISOLATORS Units shipped on or after June 15, 2008 1. READ INSTRUCTIONS IN THEIR ENTIRETY BEFORE BEGINNING INSTALLATION. 2. ISOLATORS ARE SHIPPED FULLY ASSEMBLED AND ARE TO BE POSITIONED IN ACCORDANCE WITH THE SUBMITTAL DRAWINGS OR AS OTHERWISE RECOMMENDED.
  • Page 114 FORM 150.67-NM2 SECTION 5 – TECHNICAL DATA ISSUE DATE: 01/31/2019 TWO INCH DEFLECTION, SEISMIC SPRING ISOLATOR CROSS-REFERENCE Units shipped on or after June 15, 2008 Y2RS Model Isolators 1-1/8” 5/8” 2-3/4” 2-3/4” 3/8” GAP 3/4” TYP. (4) 3/4” 7/8” STOP & 8-3/8”...
  • Page 115 FORM 150.67-NM2 SECTION 5 – TECHNICAL DATA ISSUE DATE: 01/31/2019 SEISMIC ISOLATOR INSTALLATION AND ADJUSTMENT Units shipped on or after June 15, 2008 1. READ INSTRUCTIONS IN THEIR ENTIRETY BEFORE BEGINNING INSTALLATION. 2.ISOLATORS ARE SHIPPED FULLY ASSEMBLED AND ARE TO BE POSITIONED IN ACCORDANCE WITH THE SUBMITTAL DRAWINGS OR AS OTHERWISE RECOMMENDED.
  • Page 116 BASE PLATE DIMENSIONS FOR UNITS WITH ALL POINT LOADS LESS THAN 1404 LBS (637 KG) WEIGHT RANGE (LBS) WEIGHT RANGE (KG) MODEL NUMBER COLOR YORK P/N 239 to 384 lbs 108 to 174 kg CIP-B- 029-24583-002 384 to 639 lbs...
  • Page 117 FORM 150.67-NM2 SECTION 5 – TECHNICAL DATA ISSUE DATE: 01/31/2019 Installation of 1" Deflection Mounts 1. Floor or steel frame should be level and smooth. 5. Complete piping and fill equipment with water, refrigerant, etc. 2. For pad installations, isolators do not normally require bolting.
  • Page 118 69.9 158.8 101.6 127.0 1/2- 13 x 1” 12.7 WEIGHT RANGE WEIGHT RANGE MODEL NUMBER COLOR YORK P/N (LBS) (KG) Up to 751 lbs Up to 341 kg ND-C Yellow 029-24584-001 751 to 1651 lbs 341 to 749 kg ND-D...
  • Page 119 34.9 355.6 311.2 133.4 88.9 5/8" *WEIGHT RANGE (LBS) WEIGHT RANGE (KG) MODEL NUMBER COLOR YORK P/N Up to 358 lbs Up to 162 kg SLRS-2-C2- 029-24585-006 358 to 443 lbs 162 to 201 kg SLRS-2-C2- White 029-24585-007 443 to 582 lbs...
  • Page 120 FORM 150.67-NM2 SECTION 5 – TECHNICAL DATA ISSUE DATE: 01/31/2019 SLRS SEISMIC ISOLATOR INSTALLATION AND ADJUSTMENT Units shipped before June 15, 2008 To Install and Adjust Mounts 8. Turn adjustment bolt 8 turns on each mount. 1. Supports for mountings must be leveled to instal- lation's acceptable tolerances.

  • Page 121: Section 6 - Commissioning

    SECTION 6 – COMMISSIONING COMMISSIONING Compressor Oil Commissioning of this unit should only To add oil to a circuit – connect a YORK hand oil be carried out by YORK Authorized per- pump (Part No. 470-10654-000) to the 1/4” oil charg- sonnel.

  • Page 122: Preparation - Power On

    FORM 150.67-NM2 SECTION 6 – COMMISSIONING ISSUE DATE: 01/31/2019 Supply Voltage Water System Verify that the site voltage supply corresponds to the Verify the chilled liquid system has been installed cor- unit requirement and is within the limits given in the rectly, and has been commissioned with the correct Technical Data Section.
  • Page 123 FORM 150.67-NM2 SECTION 6 – COMMISSIONING ISSUE DATE: 01/31/2019 Supersedes: 150.67-CL1 (309) Form 150.67-CL1 (115) YCAL0019-0066 60 HZ STYLE E YCAL0043-0377 50 HZ STYLE E START-UP CHECKLIST CUSTOMER: _________________________________ JOB NAME: _________________________________ ADDRESS: __________________________________ LOCATION: _________________________________ PHONE: _____________________________________ CUSTOMER ORDER NO: ______________________...
  • Page 124 FORM 150.67-NM2 SECTION 6 – COMMISSIONING ISSUE DATE: 01/31/2019 FORM 150.67-CL1 ISSUE DATE: 1/21/2015 C. PANEL CHECKS 4. Put the unit into Service Mode and cycle each (POWER ON - BOTH UNIT SWITCH OFF) condenser fan to ensure proper rotation.... 5.
  • Page 125 P.O. Box 1592, York, Pennsylvania USA 17405-1592 800-861-1001 Subject to change without notice. Printed in USA Copyright ©...

  • Page 126: Unit Operating Sequence

    FORM 150.67-NM2 SECTION 6 – COMMISSIONING ISSUE DATE: 01/31/2019 UNIT OPERATING SEQUENCE The operating sequence described below relates to op- 6. After 1 minute of compressor run time, the next eration on a hot water start after power has been ap- compressor in sequence will start when a sys- plied, such as start-up commissioning.

  • Page 127: Section 7 - Unit Control Center

    ISSUE DATE: 01/31/2019 SECTION 7 – UNIT CONTROL CENTER 00065VIP INTRODUCTION The YORK MicroComputer Control Center is a micro- chiller I/O (Inputs and Outputs). System inputs from processor based control system designed to provide the pressure transducers and temperature sensors are con- entire control for the liquid chiller.
  • Page 128 FORM 150.67-NM2 SECTION 7 – UNIT CONTROL CENTER ISSUE DATE: 01/31/2019 and unit sensors (transducers and temp sensors) are Keypad supplied power for the micro board +5V supply. 24V The 12 button non-tactile keypad allows the user to AC is rectified, but not regulated, to provide unregu- retrieve vitals system parameters such as system pres- lated +30 VDC to supply all of the digital inputs.

  • Page 129: Status Key

    FORM 150.67-NM2 SECTION 7 – UNIT CONTROL CENTER ISSUE DATE: 01/31/2019 STATUS KEY 00066VIP Unit Status D A I L Y S C H E D U L E S H U T D O W N Pressing the Status key will enable the operator to de- termine current chiller operating status.
  • Page 130 FORM 150.67-NM2 SECTION 7 – UNIT CONTROL CENTER ISSUE DATE: 01/31/2019 S Y S C O M P S R U N S Y S S U C T L I M I T I N G S Y S C O M P S R U N S Y S...
  • Page 131 FORM 150.67-NM2 SECTION 7 – UNIT CONTROL CENTER ISSUE DATE: 01/31/2019 Fault Safety Status Messages time during this 3 minutes the suction pressure falls below the ramped cutout point, the system will stop. Safety Status messages appear when safety thresholds This cutout is completely ignored for the first 30 sec- in the unit have been exceeded.
  • Page 132 FORM 150.67-NM2 SECTION 7 – UNIT CONTROL CENTER ISSUE DATE: 01/31/2019 Whenever the motor protector or discharge sensor U N I T F A U L T : shuts down a compressor and the system, the inter- L O W A M B I E N T T E M P nal compressor contacts will open for a period of 30...
  • Page 133 FORM 150.67-NM2 SECTION 7 – UNIT CONTROL CENTER ISSUE DATE: 01/31/2019 Unit Warning The following messages are not unit safeties and will If a low battery is detected, it should be replaced as not be logged to the history buffer. They are unit warn- soon as possible.

  • Page 134: Status Key Messages

    FORM 150.67-NM2 SECTION 7 – UNIT CONTROL CENTER ISSUE DATE: 01/31/2019 STATUS KEY MESSAGES TABLE 13 - STATUS KEY MESSAGES QUICK REFERENCE LIST STATUS KEY MESSAGES General Messages Fault Messages Unit Safeties & Unit Switch Off System Safeties Warning Messages Shutdown Remote Controlled System X High Disch Pressure...

  • Page 135: Display/Print Keys

    FORM 150.67-NM2 SECTION 7 – UNIT CONTROL CENTER ISSUE DATE: 01/31/2019 DISPLAY/PRINT KEYS 00067VIP With the “UNIT TYPE” set as a liquid chiller (no The Display/Print keys allow the user to retrieve sys- jumper to J11-12), the following list of operating data tem and unit information that is useful for monitoring screens are viewable under the Oper Data key in the chiller operation, diagnosing potential problems, trou-...
  • Page 136 FORM 150.67-NM2 SECTION 7 – UNIT CONTROL CENTER ISSUE DATE: 01/31/2019 S Y S 7 2 . 1 P S I G C O O L I N G D E M A N D = 2 2 7 . 0 P S I G S T E P S These displays show suction and discharge pressures...
  • Page 137 Please note that hot gas is not available for system 2, so there is no message pertaining to the hot gas solenoid ISN – York Talk via ISN allows remote load limiting when system 2 message is displayed. and temperature reset through an ISN system.

  • Page 138: Table 14 - Operation Data

    3MIN BIVALENT HEAT DELAY TIME 30 MIN * Block of information repeats for each system REMOTE UNIT ID PROGRAMMED LD12585 YORK HYDRO KIT PUMPS 1 (410a) PUMP TOTAL RUN HOURS XXXXX (410a) UNIT DATA RETURN LIQUID TEMP 58.2 DEGF JOHNSON CONTROLS...
  • Page 139 DAILY SCHEDULE S M T W T F S *=HOLIDAY SUN START=00:00AM STOP=00:00AM YORK INTERNATIONAL CORPORATION MON START=00:00AM STOP=00:00AM LIQUID CHILLER TUE START=00:00AM STOP=00:00AM WED START=00:00AM STOP=00:00AM THU START=00:00AM STOP=00:00AM...
  • Page 140 FORM 150.67-NM2 SECTION 7 – UNIT CONTROL CENTER ISSUE DATE: 01/31/2019 History Displays C O N T R O L M O D E The HISTORY key gives the user access to many unit L E A V I N G L I Q U I D and system operating parameters at the time of a unit or system safety shutdown.
  • Page 141 FORM 150.67-NM2 SECTION 7 – UNIT CONTROL CENTER ISSUE DATE: 01/31/2019 A M B I E N T A I R T E M P L E A V I N G L I Q U I D T E M P X X X .
  • Page 142 FORM 150.67-NM2 SECTION 7 – UNIT CONTROL CENTER ISSUE DATE: 01/31/2019 For this message to appear, CURRENT FEEDBACK S Y S X X X X P S I G ONE PER SYSTEM must be programmed under the X X X X P S I G options key.

  • Page 143: Entry Keys

    FORM 150.67-NM2 SECTION 7 – UNIT CONTROL CENTER ISSUE DATE: 01/31/2019 ENTRY KEYS 00068VIP The Entry Keys allows the user to view, change pro- Enter/adv Key grammed values. The ENTRY keys consist of an ↑ The ENTER/ADV key must be pushed after any change (UP) arrow key, ↓...

  • Page 144: Setpoints Keys

    FORM 150.67-NM2 SECTION 7 – UNIT CONTROL CENTER ISSUE DATE: 01/31/2019 SETPOINTS KEYS 00069VIP Programming of the cooling setpoints, daily schedule, Leaving Chilled Liquid Control and safeties is accomplished by using the keys located S E T P O I N T 4 5 .

  • Page 145: Schedule/Advance Day Key

    FORM 150.67-NM2 SECTION 7 – UNIT CONTROL CENTER ISSUE DATE: 01/31/2019 Notice that the RANGE was programmed for +/- X.X° The following messages illustrate both leaving chilled F. This indicates the SETPOINT to be in the center of liquid control and return chilled liquid control respec- the control range.

  • Page 146: Table 15 - Cooling Setpoints, Programmable Limits And Defaults

    * When using glycol, Leaving Chilled Liquid Setpoint should not be set below 20 °F (-6.7 °C). ** Do not exceed 55 °F (12.8 °C) setpoint before contacting the nearest York Office for application guidelines. The line under the 0 is the cursor. If the value is wrong,...

  • Page 147: Program Key

    FORM 150.67-NM2 SECTION 7 – UNIT CONTROL CENTER ISSUE DATE: 01/31/2019 PROGRAM KEY L O W A M B I E N T T E M P C U T O U T 2 5 . 0 ° F There are several operating parameters under the PRO- GRAM key that are programmable.
  • Page 148 FORM 150.67-NM2 SECTION 7 – UNIT CONTROL CENTER ISSUE DATE: 01/31/2019 F A N D I F F E R E N T I A L O F F U N I T T R I P V O L T S P R E S S U R E X X X P S I G...

  • Page 149: Table 16 - Program Key Limits And Default

    FORM 150.67-NM2 SECTION 7 – UNIT CONTROL CENTER ISSUE DATE: 01/31/2019 R E M O T E U N I T P R O G R A M M E D When communications is required with a BAS or Op- tiView Panel, individual unit IDs are necessary for communications with specific chillers on a single RS- 485 line.

  • Page 150: Table 17 - Setpoints Quick Reference List

    FORM 150.67-NM2 SECTION 7 – UNIT CONTROL CENTER ISSUE DATE: 01/31/2019 TABLE 17 - SETPOINTS QUICK REFERENCE LIST Quick Reference Programming Chart Setpoints Section Cooling Setpoints Key Schedule/ Program Mode (press key to adv.) Advance Day Key (press enter to adv.) Local Leaving Mon.

  • Page 151: Unit Keys

    FORM 150.67-NM2 SECTION 7 – UNIT CONTROL CENTER ISSUE DATE: 01/31/2019 UNIT KEYS OPTIONS CLOCK 00070VIP Option 2 – System Switches: (two system units only) Options Key There are many user programmable options under the (Single System Display is similar) OPTIONS key.
  • Page 152 FORM 150.67-NM2 SECTION 7 – UNIT CONTROL CENTER ISSUE DATE: 01/31/2019 Option 3 – Chilled Liquid Cooling Type: will allow the ISN to control the following items: Re- mote Start/Stop, Cooling Setpoint, Load Limit, and C H I L L E D L I Q U I D History Buffer Request.
  • Page 153 FORM 150.67-NM2 SECTION 7 – UNIT CONTROL CENTER ISSUE DATE: 01/31/2019 Lead/lag between systems may be selected to help C U R R E N T F E E D B A C K equalize average run hours between systems on chillers O N E P E R U N I T...
  • Page 154 FORM 150.67-NM2 SECTION 7 – UNIT CONTROL CENTER ISSUE DATE: 01/31/2019 “Liquid CHILLER” must be displayed, or Option 17 – Flash Card Update: damage to compressors or other compo- F L A S H C A R D U P D A T E nents will occur if operated in the HEAT D I S A B L E D PUMP or CONDENSING UNIT modes.

  • Page 155: Clock

    EXTERNAL EVAP PUMP should be selected if an ex- ternal pump is being controlled with the chiller pump Remote Temp Reset input selection is programmable contacts. The operation will be the same as YORK according to the type of input utilized. The following HDRO KIT PUMPS = 1 options are available: The following option should not be selected.

  • Page 156: Table 18 - Unit Keys Options Programming Quick Reference List

    FORM 150.67-NM2 SECTION 7 – UNIT CONTROL CENTER ISSUE DATE: 01/31/2019 TABLE 18 - UNIT KEYS OPTIONS PROGRAMMING QUICK REFERENCE LIST Options Key Expansion Valve Type (press Options Key (Thermoplastic or Electric) to adv.) (Programmed under Service Display Language Mode, Viewable Only) Must be programmed for Thermostatic System Switches...

  • Page 157: Section 8 - Unit Operation

    FORM 150.67-NM2 ISSUE DATE: 01/31/2019 SECTION 8 – UNIT OPERATION CAPACITY CONTROL LEAVING CHILLED LIQUID CONTROL To initiate the start sequence of the chiller, all run per- The setpoint, when programmed for Leaving Chilled missive inputs must be satisfied (flow/remote start/stop Liquid Control, is the temperature the unit will control switch), and no chiller or system faults exist.

  • Page 158: Leaving Chilled Liquid Control Override To Reduce Cycling

    FORM 150.67-NM2 SECTION 8 – UNIT OPERATION ISSUE DATE: 01/31/2019 control range being below 40.0ºF, the low limit will be LEAVING CHILLED LIQUID SYSTEM LEAD/ reset to 40.0ºF and the difference will be added to the LAG AND COMPRESSOR SEQUENCING high limit.

  • Page 159: Figure 42 - Leaving Water Temperature Control Example

    FORM 150.67-NM2 SECTION 8 – UNIT OPERATION ISSUE DATE: 01/31/2019 30 sec. Control Range 60 sec. unloading (no compressor staging) loading 44.0 °F 46.0 °F 48.0° (6.7 °C) (7.8 °C) (8.9 °C) Low Limit Setpoint High limit Leaving Water Temp. Control – Compressor Staging Setpoint = 46.0 °F (7.8 °C) Range = +/- 2 °F(1.1 °C) FIGURE 42 - LEAVING WATER TEMPERATURE CONTROL EXAMPLE Return Chilled Liquid Control MUST...

  • Page 160: Return Chilled Liquid System Lead/Lag And Compressor Sequencing

    FORM 150.67-NM2 SECTION 8 – UNIT OPERATION ISSUE DATE: 01/31/2019 TABLE 20 - RETURN CHILLED LIQUID CONTROL FOR 4 COMPRESSORS (6 STEPS) *STEP COMPRESSOR COMPRESSOR ON POINT COMPRESSOR OFF POINT Setpoint Setpoint 1 W/HGB SP + CR/8 (Note 1) Setpoint 1 NO HGB SP + CR/4 SP + CR/8...

  • Page 161: Anti-Recycle Timer

    DO NOT SELECT the next 20 seconds. Typically, standard ambient control option “YORK HYDRO KIT PUMPS = 2” under the ON pressure should be programmed at 385 PSIG with OPTIONS key. If a dual pump option is installed, the a differential of 125 PSIG.
  • Page 162 FORM 150.67-NM2 SECTION 8 – UNIT OPERATION ISSUE DATE: 01/31/2019 Compressor damage could occur if When a fan stage is turned off (programmed on pres- programming does not match installed sure minus programmed differential), the off pressure hardware. for the next stage is decreased 20 PSIG and ramped back to the programmed off pressure minus the differ- ential over the next 20 seconds.

  • Page 163: Standard Condenser Fan Control - Ycal0019 - Ycal0033

    **DP < Fan Ctrl On Press – and Fan Stage 1 is & & & energized Diff. Press TB7-10 TABLE 23 - YCAL0019 – YCAL0033 CONDENSER FAN CONTROL USING DISCHARGE PRESSURE ONLY MICROBOARD CONTACTOR FAN # OUTPUT STAGE SYS 1 SYS 1 SYS 1 DP >...

  • Page 164: Standard Condenser Fan Control - Ycal0043 - Ycal0066

    FORM 150.67-NM2 SECTION 8 – UNIT OPERATION ISSUE DATE: 01/31/2019 STANDARD CONDENSER FAN CONTROL – YCAL0043 – YCAL0066 TABLE 24 - YCAL0043 – YCAL0066 CONDENSER FAN CONTROL USING DISCHARGE PRESSURE. MICRO BOARD CONTACTOR FAN # OUTPUT OFF* STAGE SYS 1 SYS 2 SYS 1 SYS 2...

  • Page 165: Ycal0019 - 0033 Low Ambient Fan Control Option

    FORM 150.67-NM2 SECTION 8 – UNIT OPERATION ISSUE DATE: 01/31/2019 YCAL0019 – 0033 LOW AMBIENT FAN CONTROL OPTION BULB General The low ambient option consists of a single phase Vari- able Frequency Drive (VFD) that controls the speed of the first fan (Fan 1) in the fan staging sequence. The VFD is located in the control panel.

  • Page 166: Figure 48 - Wiring

    FORM 150.67-NM2 SECTION 8 – UNIT OPERATION ISSUE DATE: 01/31/2019 Wiring VFD wiring is simple and requires only single phase power in, single phase power out and a 2-wire signal from the liquid line temperature sensor. No start, stop or other alternate power requirements are needed to operate the VFD.

  • Page 167: Table 26 - Ycal0019 - 0028 Vfd Low Ambient Option - Condenser Fan Control Operation

    When the chiller and VFD fan control points are programmed properly, the fans will operate as outlined in Table 26 on page 167. TABLE 26 - YCAL0019 – 0028 VFD LOW AMBIENT OPTION – CONDENSER FAN CONTROL OPERATION CONTACTOR MICROBOARD...

  • Page 168: Figure 49 - Typical Vfd Enclosure Locations

    FORM 150.67-NM2 SECTION 8 – UNIT OPERATION ISSUE DATE: 01/31/2019 YCAL0033 Low Ambient Fan Control Option If pressure continues to fall, VFD speed will decrease in an effort to maintain discharge pressure. Speed may General drop to the point where the VFD turns the fan com- The low ambient option consists of a VFD (Variable pletely off or virtually off with a continued drop in Frequency Drive) that controls the speed of the first...

  • Page 169: Figure 51 - Potentiometer Settings

    FORM 150.67-NM2 SECTION 8 – UNIT OPERATION ISSUE DATE: 01/31/2019 Configuration (Jumpers and Potentiometers) power and control wiring schematically as well as the actual connections. The VFD controlled fan will oper- Each VFD is pre-configured at the factory prior to ship- ate whenever the liquid line solenoid on the respective ping and should be ready for operation when it arrives system is energized.

  • Page 170: Figure 52 - Inverter Power Wiring Schematic

    FORM 150.67-NM2 SECTION 8 – UNIT OPERATION ISSUE DATE: 01/31/2019 150A 151A CONDENSER SPEED CONTR. FAN NO. 1 152A LD11301a FIGURE 52 - INVERTER POWER WIRING SCHEMATIC 152A 152A 151A 151A 150A 150A TO MICROBOARD (P4) TO MICROBOARD (P4) TO PANEL 7M TO PANEL 7M TO FAN #1 (EXISTING HARNESS) TO FAN #1 (EXISTING HARNESS)

  • Page 171: Ycal0043 - 0066 Low Ambient Fan Control Option

    FORM 150.67-NM2 SECTION 8 – UNIT OPERATION ISSUE DATE: 01/31/2019 YCAL0043 – 0066 LOW AMBIENT FAN The VFD control input signal is from the discharge pressure transducer in the respective system. The CONTROL OPTION transducer signal feeds both the chiller microprocessor General board input and the VFD.

  • Page 172: Figure 55 - Typical Vfd Enclosure Configurations

    FORM 150.67-NM2 SECTION 8 – UNIT OPERATION ISSUE DATE: 01/31/2019 LD12081 Single System VFD Enclosure LD11299a Dual System VFD Enclosure FIGURE 55 - TYPICAL VFD ENCLOSURE CONFIGURATIONS The VFD will ramp up the speed of the fan as pres- VFD JUMPERS sure rises above the low end of the speed control range.

  • Page 173: Figure 56 - Inverter Power Wiring Schematic

    FORM 150.67-NM2 SECTION 8 – UNIT OPERATION ISSUE DATE: 01/31/2019 Wiring VFD wiring is simple and requires only 3-phase power Programming as suggested assures the chiller control in, 3-phase power out, and a 2-wire signal from the points for the second fan in the fan staging sequence transducer.

  • Page 174: Figure 58 - Inverter Wiring

    FORM 150.67-NM2 SECTION 8 – UNIT OPERATION ISSUE DATE: 01/31/2019 152A 152A 151A 151A 150A 150A TO MICROBOARD (P4) TO MICROBOARD (P4) TO PANEL 7 M TO PANEL 7 M TO FAN #1 (EXIS TING HARNESS) TO FAN #1 (EXIS TING HARNESS) 252A 252A 251A...

  • Page 175: Load Limiting

    ISN. Load limit The Remote Reset Option allows the Control Center stages are sent through YORK Talk on pages 9 and 10 of the unit to reset the chilled liquid setpoint using a of feature 54. Page 9 is stage 1 load limit and page 10 0 - 10VDC input, or a 4-20mA input connected to is stage 2 load limit.
  • Page 176 FORM 150.67-NM2 SECTION 8 – UNIT OPERATION ISSUE DATE: 01/31/2019 A 240-24 Volt Ratio Transformer (T3) is If a 4-20mA signal is supplied, it is applied to ter- minals A+ and A- and jumper JP1 on the I/O board used to derive nominal 12 volt output from must be installed between pin 1 and 2.

  • Page 177: Section 9 - Service And Troubleshooting

    FORM 150.67-NM2 ISSUE DATE: 01/31/2019 SECTION 9 – SERVICE AND TROUBLESHOOTING CLEARING HISTORY BUFFERS SYS 1 HGBP STATUS TB7-7 IS: SYS 2 COMP 1 STATUS TB10-2 IS: The history buffers may be cleared by pressing the SYS 2 LLSV STATUS TB10-3 IS: HISTORY key and then repeatedly pressing the UP SYS 2 COMP 2 STATUS TB10-4 IS: arrow key until you scroll past the last history buffer...

  • Page 178: Service Mode - Chiller Configuration

    FORM 150.67-NM2 SECTION 9 – SERVICE AND TROUBLESHOOTING ISSUE DATE: 01/31/2019 Pressing the ↑ (UP) arrow key will energize the liquid SERVICE MODE – ANALOG AND DIGITAL line solenoid valve and “OFF” will change to “ON” in INPUTS the display as the LLSV is energized. Energizing and After entering Service Mode (PROGRAM ↑↑...

  • Page 179: Control Inputs/Outputs

    FORM 150.67-NM2 SECTION 9 – SERVICE AND TROUBLESHOOTING ISSUE DATE: 01/31/2019 The digital inputs will display the input connection and TABLE 31 - I/O DIGITAL OUTPUTS ON/OFF status such as: TB7-2 SYS 1 Compressor 1 TB7-3 SYS 1 Liquid Line Solenoid Valve F L O W S W / R E M S T A R T...

  • Page 180: Figure 59 - Microboard Layout

    FORM 150.67-NM2 SECTION 9 – SERVICE AND TROUBLESHOOTING ISSUE DATE: 01/31/2019 I/O BOARD BOARD TB10 LD12721 FIGURE 59 - MICROBOARD LAYOUT JOHNSON CONTROLS...

  • Page 181: Checking Inputs And Outputs

    FORM 150.67-NM2 SECTION 9 – SERVICE AND TROUBLESHOOTING ISSUE DATE: 01/31/2019 CHECKING INPUTS AND OUTPUTS TABLE 34 - OUTDOOR AIR SENSOR TEMPERATURE/VOLTAGE/ Digital Inputs CORRELATION Refer to the unit wiring diagram. All digital inputs are VOLTAGE connected to J13-1 of the I/O board. The term “digital” TEMP °F (SIGNAL INPUT TEMP °C...

  • Page 182: Table 35 - Entering/Leaving Chilled Liquid Temp. Sensor, Temperature/Voltage Correlation

    FORM 150.67-NM2 SECTION 9 – SERVICE AND TROUBLESHOOTING ISSUE DATE: 01/31/2019 Liquid and Refrigerant Sensor Test Points TABLE 35 - ENTERING/LEAVING CHILLED LIQUID TEMP. SENSOR, TEMPERATURE/ (Table 35 on page 182) VOLTAGE CORRELATION Entering Chilled Liquid Sensor VOLTAGE TEMP °F (SIGNAL INPUT TEMP °C J6-5 = +5VDC regulated supply to sensor.

  • Page 183: Table 36 - Pressure Transducers

    FORM 150.67-NM2 SECTION 9 – SERVICE AND TROUBLESHOOTING ISSUE DATE: 01/31/2019 System 2 Discharge Transducer TABLE 36 - PRESSURE TRANSDUCERS 0-400 PSIG SUCTION 0-600 PSIG DISCHARGE J9-6 = +5VDC regulated supply to transducer. PRESSURE PRESSURE TRANSDUCER TRANSDUCER J9-11 = VDC input signal to the microboard. See the PRESSURE VOLTAGE PRESSURE...

  • Page 184: Figure 60 - I/O Board Relay Contact Architecture

    FORM 150.67-NM2 SECTION 9 – SERVICE AND TROUBLESHOOTING ISSUE DATE: 01/31/2019 Digital Outputs SYS 1 TB7-2 COMP 1 Refer to the unit wiring diagram and Figure 60 on page TB7-3 LLSV 1 184. The digital outputs are located on TB7, TB8, and SYS 1 TB9 and TB-10 of the microboard.

  • Page 185: Optional Printer Installation

    The part number for the printer that is packaged spe- key or “HISTORY” key. cifically for YORK is P/N 950915576. The cable to connect the printer can either be locally assembled from the parts listed, or ordered directly from WEIGH- TRONIX under part number 287-040018.

  • Page 186: Troubleshooting

    Board to isolate. 5. Defective IPU II & I/O Board or the 5. Replace IPU II & I/O Board or the Display Board. Display Board. Contact YORK Service before replacing circuit boards! “Flow Switch/REM Stop No Run 1. No chilled liquid flow.
  • Page 187 FORM 150.67-NM2 SECTION 9 – SERVICE AND TROUBLESHOOTING ISSUE DATE: 01/31/2019 TROUBLESHOOTING (CONT’D) TABLE 37- TROUBLESHOOTING (CONT’D) PROBLEM CAUSE SOLUTION “Low Liquid Temp” Fault 1. Improperly adjusted leaving chilled 1. Re-program the leaving chilled liquid liquid temp. cutout (glycol only) temp.
  • Page 188 FORM 150.67-NM2 ISSUE DATE: 01/31/2019 THIS PAGE INTENTIONALLY LEFT BLANK. JOHNSON CONTROLS...

  • Page 189: Section 10 - Maintenance

    If system failure occurs due to improper maintenance Exercise care when cleaning the coil so during the warranty period, YORK will not be liable that the coil fins are not damaged. for costs incurred to return the system to satisfactory operation.

  • Page 190: Isn Control

    FORM 150.67-NM2 SECTION 10 – MAINTENANCE ISSUE DATE: 01/31/2019 ISN CONTROL TABLE 39 - ISN TRANSMITTED DATA CHARACTER TYPE DATA Received Data (Control Data) PAGE The unit receives 8 data values from the ISN. The first Leaving Chilled 8-11 Analog 4 are analog values and the last 4 are digital values.
  • Page 191 FORM 150.67-NM2 SECTION 10 – MAINTENANCE ISSUE DATE: 01/31/2019 TABLE 39 – ISN TRANSMITTED DATA (CONT’D) CHARACTER TYPE DATA CHARACTER TYPE DATA PAGE PAGE Evaporator Heater Coded ---- Digital Status SYS 2 Condenser Coded Evaporator Pump Fan Stage Digital Status Coded ---- Digital...

  • Page 192: Table 40 - Isn Operational And Fault Codes

    FORM 150.67-NM2 SECTION 10 – MAINTENANCE ISSUE DATE: 01/31/2019 TABLE 40 - ISN OPERATIONAL AND FAULT CODES P56/58 Operational Code P57/59 Fault Code No Abnormal Condition No Fault Unit Switch Off VAC Under Voltage System Switch Off Low Ambient Temperature Lock-Out High Ambient Temperature Unit Fault...

  • Page 193: Bacnet And Modbus Data Communication

    FORM 150.67-NM2 SECTION 10 – MAINTENANCE ISSUE DATE: 01/31/2019 BACNET AND MODBUS DATA COMMUNICATION Data can be read and in some cases modified using The table below shows the real time error numbers and a serial communication BACnet or Modbus network a description of each.

  • Page 194: Table 42 - Minimum, Maximum And Default Values

    FORM 150.67-NM2 SECTION 10 – MAINTENANCE ISSUE DATE: 01/31/2019 The table below shows the minimum, maximum, and default values. TABLE 42 - MINIMUM, MAXIMUM AND DEFAULT VALUES DESCRIPTION MINIMUM MAXIMUM DEFAULT DE MODIFIER ADDRESS 41943 DE MODIFIER OFFSET P1 BAUD RATE 1200 76800 4800...
  • Page 195 FORM 150.67-NM2 SECTION 10 – MAINTENANCE ISSUE DATE: 01/31/2019 Serial Communication Analog Input Data This data can be read using a BACnet or Modbus net- work connection and can NOT be modified using this connection. The Modbus Register Address for these points is 513 + AI #.
  • Page 196 FORM 150.67-NM2 SECTION 10 – MAINTENANCE ISSUE DATE: 01/31/2019 BACNET NAME ANALOG INPUT DESCRIPTION H_DSCH_P_CO HIGH DISCHARGE PRESSURE CUTOUT COOL_SETP SETPOINT SP_SETP_S1 SETPOINT 1 (SP CONTROL) CONTROL_RG COOLING RANGE SP_CTL_RG_S1 COOLING RANGE 1 (SP CONTROL) SP_SETP_S2 SETPOINT 2 (SP CONTROL) HEAT_SETP HEATING SETPOINT (HP ONLY) SP_CTL_RG_S2...

  • Page 197: Temperature Conversion Chart

    FORM 150.67-NM2 SECTION 10 – MAINTENANCE ISSUE DATE: 01/31/2019 TEMPERATURE CONVERSION CHART Temperature Conversion Chart - Actual Temperatures °F = °C °C = °F °F = °C °C = °F --17.8- -0.4 53.3 114.8 15.6 55.6 118.4 57.8 -13.3 -11.1 10.4 60.0 125.6...
  • Page 198 FORM 150.67-NM2 SECTION 10 – MAINTENANCE ISSUE DATE: 01/31/2019 TEMPERATURE CONVERSION CHART (CONT’D) Temperature Conversion Chart- Pressure Conversion Chart - Gauge or Differential Differential Temperatures °F = °C °C = °F PSI = BAR BAR = PSI 1.38 21.8 2.07 2.75 36.3 10.8...

  • Page 199: R410-A Pressure Temperature Chart

    FORM 150.67-NM2 SECTION 10 – MAINTENANCE ISSUE DATE: 01/31/2019 R410-A PRESSURE TEMPERATURE CHART PSIG TEMP ˚F PSIG TEMP ˚F JOHNSON CONTROLS...
  • Page 200 5000 Renaissance Drive, New Freedom, Pennsylvania USA 17349 800-861-1001 Subject to change without notice. Printed in USA Copyright © by Johnson Controls 2019 www.johnsoncontrols.com ALL RIGHTS RESERVED Form 150.67-NM2 (119) Issue Date: January 31, 2019 Supersedes: 150.67-NM2 (1116)

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