York YLAA Series Installation Operation & Maintenance
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York YLAA Series Installation Operation & Maintenance

Air-cooled scroll chillers with brazed plate heat exchanger style b (60 hz) 4-10 fan, 55 - 230 ton, 195 - 700 kw
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AIR-COOLED SCROLL CHILLER
Supersedes: 150.72-ICOM6 (817)
Form 150.72-ICOM6 (1217)
INSTALLATION, OPERATION, MAINTENANCE
035-23572-100
YLAA0058 - YLAA0230
AIR-COOLED SCROLL CHILLERS
WITH BRAZED PLATE HEAT EXCHANGER
STYLE B (60 HZ) 4-10 FAN
55 - 230 TON
195 - 700 KW
R-410A
Issue Date:
Products are produced at a
December 29, 2017
f a c i l i t y w h o s e q u a l i t y -
management systems are
ISO9001 certified.

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  • Page 1 AIR-COOLED SCROLL CHILLER Supersedes: 150.72-ICOM6 (817) Form 150.72-ICOM6 (1217) INSTALLATION, OPERATION, MAINTENANCE 035-23572-100 YLAA0058 - YLAA0230 AIR-COOLED SCROLL CHILLERS WITH BRAZED PLATE HEAT EXCHANGER STYLE B (60 HZ) 4-10 FAN 55 - 230 TON 195 - 700 KW R-410A Issue Date: Products are produced at a December 29, 2017 f a c i l i t y w h o s e q u a l i t y -...
  • Page 2 FORM 150.72-ICOM6 ISSUE DATE: 12/29/2017 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 150.72-ICOM6 ISSUE DATE: 12/29/2017 CHANGEABILITY OF THIS DOCUMENT In complying with Johnson Controls’ policy for con- regarding the applicability of these documents, rig- tinuous product improvement, the information con- ging, lifting, and operating/service personnel should tained in this document is subject to change without verify whether the equipment has been modified and notice.
  • Page 4 17 = 200-3-60 28 = 230-3-60 40 = 380-3-60 46 = 460-3-60 58 = 575-3-60 S = STANDARD EFFICIENCY H = HIGH EFFICIENCY FOUR DIGIT UNIT NUMBER A = DESIGN SERIES A = AIR COOLED YL = YORK CHILLER JOHNSON CONTROLS...

  • Page 5: Table Of Contents

    FORM 150.72-ICOM6 ISSUE DATE: 12/29/2017 TABLE OF CONTENTS SECTION 1 – GENERAL CHILLER INFORMATION AND SAFETY ..............11 Introduction ..............................11 Warranty ................................. 11 Handling ................................. 11 Safety and Quality ............................11 About this Manual ............................12 Misuse of Equipment ............................12 SECTION 2 –...
  • Page 6 Return Chilled Liquid System Lead/Lag and Compressor Sequencing ............153 Anti-Recycle Timer ............................153 Anti-Coincidence Timer ..........................153 Evaporator Pump Control and York Hydro Kit Pump Control ............... 153 Evaporator Heater Control ........................... 154 Pumpdown Control ............................154 Standard Condenser Fan Control ........................ 154 Load Limiting ..............................
  • Page 7 FORM 150.72-ICOM6 ISSUE DATE: 12/29/2017 TABLE OF CONTENTS (CONT’D) SECTION 9 – SERVICE AND TROUBLESHOOTING ..................161 Clearing History Buffers..........................161 Service Mode ............................... 161 Service Mode – Outputs ..........................161 Service Mode – Chiller Configuration ......................162 Service Mode – Analog and Digital Inputs ....................162 Control Inputs/Outputs ..........................
  • Page 8 FORM 150.72-ICOM6 ISSUE DATE: 12/29/2017 LIST OF FIGURES FIGURE 1 - Unit Components (Front) ........................20 FIGURE 2 - Unit Components (Side) ........................21 FIGURE 3 - Power Panel Components ........................22 FIGURE 4 - Power Panel / Control Components ....................23 FIGURE 5 - Process and Instrumentation Diagram ....................29 FIGURE 6 - Unit Rigging/Lifting ..........................32 FIGURE 7 - Warning ...............................34 FIGURE 8 - Chilled Liquid System .........................37...
  • Page 9 FORM 150.72-ICOM6 ISSUE DATE: 12/29/2017 LIST OF TABLES TABLE 1 - Canadian Registration Numbers ......................16 TABLE 2 - Complete Pin Number Description ......................24 TABLE 3 - Temperatures and Flows ........................43 TABLE 4 - Ethylene and Propylene Glycol Correction Factors ................45 TABLE 5 - Physical Data (English) 60 Hz .......................46 TABLE 6 - Micropanel Power Supply ........................48 TABLE 7 - Voltage Range ............................48...
  • Page 10 FORM 150.72-ICOM6 ISSUE DATE: 12/29/2017 THIS PAGE INTENTIONALLY LEFT BLANK JOHNSON CONTROLS...

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

    FORM 150.72-ICOM6 ISSUE DATE: 12/29/2017 SECTION 1 – GENERAL CHILLER INFORMATION AND SAFETY INTRODUCTION YORK YLAA chillers are manufactured to the highest serial number information is printed on the unit identi- design and construction standards to ensure high per- fication plate.

  • Page 12: About This Manual

    FORM 150.72-ICOM6 SECTION 1 – GENERAL CHILLER INFORMATION AND SAFETY ISSUE DATE: 12/29/2017 • ASHRAE 90.1 - Energy Efficiency compliance. Structural Support Structural support of the unit must be provided as in- • Conform to Intertek Testing Services, formerly dicated in these instructions. Failure to provide proper ETL, for construction of chillers and provide support may result in injury to the operator, or damage ETL/cETL listing label.
  • Page 13 FORM 150.72-ICOM6 SECTION 1 – GENERAL CHILLER INFORMATION AND SAFETY ISSUE DATE: 12/29/2017 Rotating Parts High Temperature and Pressure Cleaning Fan guards must be fitted at all times and not removed High temperature and pressure cleaning methods unless the power supply has been isolated. If ductwork (e.g.
  • Page 14 FORM 150.72-ICOM6 ISSUE DATE: 12/29/2017 THIS PAGE INTENTIONALLY LEFT BLANK JOHNSON CONTROLS...

  • Page 15: Section 2 - Product Description

    ISSUE DATE: 12/29/2017 SECTION 2 – PRODUCT DESCRIPTION INTRODUCTION GENERAL SYSTEM DESCRIPTION YORK YLAA Air-Cooled Scroll Chillers provide Compressors chilled water for all air conditioning applications us- The chiller has suction-gas cooled, hermetic, scroll ing central station air handling or terminal units. They compressors.

  • Page 16: Table 1 - Canadian Registration Numbers

    FORM 150.72-ICOM6 SECTION 2 – PRODUCT DESCRIPTION ISSUE DATE: 12/29/2017 The evaporator is equipped with a thermostat-con- vibration free operation. They are directly driven by trolled heater. The heater provides freeze protection independent motors, and positioned for vertical air dis- for the evaporator down to -20°F (-29°C) ambient.

  • Page 17: Communications

    FORM 150.72-ICOM6 SECTION 2 – PRODUCT DESCRIPTION ISSUE DATE: 12/29/2017 • Number of compressors • Liquid solenoid valve status • Low liquid temperature cutout • Load and unload timer status • Low suction pressure cutout • Water pump status • High discharge pressure cutout Provisions are included for: pumpdown at shutdown;...

  • Page 18: Accessories And Options

    FORM 150.72-ICOM6 SECTION 2 – PRODUCT DESCRIPTION ISSUE DATE: 12/29/2017 ACCESSORIES AND OPTIONS High Ambient Kit With Sunshield Allows units to operate when the ambient temperature Power Options is above 115°F (46°C). Includes sun shield panels and Compressor Power Connections discharge pressure transducers.
  • Page 19 FORM 150.72-ICOM6 SECTION 2 – PRODUCT DESCRIPTION ISSUE DATE: 12/29/2017 and is easily attached to the evaporator at startup us- exceed five miles per hour. The following types of en- ing the supplied ANSI/AWWA C-606 connector. The closure panels are available: flow switch can be deleted if alternate or existing flow •...

  • Page 20: Figure 1 - Unit Components (Front)

    FORM 150.72-ICOM6 SECTION 2 – PRODUCT DESCRIPTION ISSUE DATE: 12/29/2017 POWER POWER PANEL PANEL ITEM DESCRIPTION Fan Assemblies MCHX Condenser Control Panel Compressors Receiver Included with Optional Heat Recovery Condenser Filter Driers FIGURE 1 - UNIT COMPONENTS (FRONT) JOHNSON CONTROLS...

  • Page 21: Figure 2 - Unit Components (Side)

    FORM 150.72-ICOM6 SECTION 2 – PRODUCT DESCRIPTION ISSUE DATE: 12/29/2017 ITEM DESCRIPTION Fan Deck MCHX Condenser Coil Headers Control and Power Panels Compressors Brazed Plate Evaporator Formed Steel Base Rails Hydro-Kit Pumps And Motors (Optional) FIGURE 2 - UNIT COMPONENTS (SIDE) JOHNSON CONTROLS...

  • Page 22: Figure 3 - Power Panel Components

    FORM 150.72-ICOM6 SECTION 2 – PRODUCT DESCRIPTION ISSUE DATE: 12/29/2017 LD13248 ITEM DESCRIPTION Fan Contactor Fan Fuses Fan Contactor Disconnect Switch (Optional) XTBF1 Compressor Contactors Compressor Overloads FIGURE 3 - POWER PANEL COMPONENTS JOHNSON CONTROLS...

  • Page 23: Figure 4 - Power Panel / Control Components

    FORM 150.72-ICOM6 SECTION 2 – PRODUCT DESCRIPTION ISSUE DATE: 12/29/2017 LD13248 ITEM DESCRIPTION Fan Contactor Fan Fuses Control Relay Microcomputer Control Center Display Keypad XTBC1 Microboard XTCB2 XTBF2 Compressor Contactors Compressor Overloads FIGURE 4 - POWER PANEL / CONTROL COMPONENTS JOHNSON CONTROLS...

  • Page 24: Table 2 - Complete Pin Number Description

    FORM 150.72-ICOM6 SECTION 2 – PRODUCT DESCRIPTION ISSUE DATE: 12/29/2017 PRODUCT IDENTIFICATION NUMBER (PIN) TABLE 2 - COMPLETE PIN NUMBER DESCRIPTION FEATURE FEATURE OPTION OPTION DESCRIPTION DESCRIPTION MODEL Model (PIN 1-4) YLAA 0058 0058 0065 0065 0070 0070 0080 0080 0081 0081 0089...
  • Page 25 FORM 150.72-ICOM6 SECTION 2 – PRODUCT DESCRIPTION ISSUE DATE: 12/29/2017 TABLE 2 - COMPLETE PIN NUMBER DESCRIPTION (CONT’D) FEATURE FEATURE OPTION OPTION DESCRIPTION DESCRIPTION No Power Capacitor required Power Factor Capacitor Power Capacitor required (PIN 19) Special Power Capacitor required High Ambient Kit Standard (factory) Both Low/High Ambient Kit required (factory) Ambient Kits...
  • Page 26 FORM 150.72-ICOM6 SECTION 2 – PRODUCT DESCRIPTION ISSUE DATE: 12/29/2017 TABLE 2 - COMPLETE PIN NUMBER DESCRIPTION (CONT’D) FEATURE FEATURE OPTION OPTION DESCRIPTION DESCRIPTION OVERLOAD PIN 35 Special Quote Quick Start PIN36 PIN 36 Special Quote Crankcase Heater Crankcase Heater Standard Special Crankcase Heater required (Pin 37) 150psig DWP Waterside...
  • Page 27 FORM 150.72-ICOM6 SECTION 2 – PRODUCT DESCRIPTION ISSUE DATE: 12/29/2017 TABLE 2 - COMPLETE PIN NUMBER DESCRIPTION (CONT’D) FEATURE FEATURE OPTION OPTION DESCRIPTION DESCRIPTION No Acoustic Blanket required Acoustic Blanket Acoustic Blanket Required ACOUSTIC Acoustic Enclosure (PIN 49) Special Acoustic Blanket required No Documents Required Base, Material &...
  • Page 28 FORM 150.72-ICOM6 SECTION 2 – PRODUCT DESCRIPTION ISSUE DATE: 12/29/2017 TABLE 2 - COMPLETE PIN NUMBER DESCRIPTION (CONT’D) FEATURE FEATURE OPTION OPTION DESCRIPTION DESCRIPTION PIN 58 PIN 58 Marketing Purposes Only! No Pump Pump Kit A Pump Kit B Pump Kit C Pump Kit D Pump Kit E Pump Kit F...

  • Page 29: Figure 5 - Process And Instrumentation Diagram

    FORM 150.72-ICOM6 SECTION 2 – PRODUCT DESCRIPTION ISSUE DATE: 12/29/2017 Control Functions: DV - Display Value Fans Fans Components: CHT - Chilled Liquid Temperature HPC - High Pressure Cutout Pressure Relief Valve LPC - Low Pressure Cutout HPL - High Pressure Load Limiting Service (Ball) Valve LTC - Low Temperature Cutout Expansion Valve...
  • Page 30 FORM 150.72-ICOM6 ISSUE DATE: 12/29/2017 THIS PAGE INTENTIONALLY LEFT BLANK JOHNSON CONTROLS...

  • Page 31: Section 3 - Handling And Storage

    FORM 150.72-ICOM6 ISSUE DATE: 12/29/2017 SECTION 3 – HANDLING AND STORAGE DELIVERY AND STORAGE INSPECTION To ensure consistent quality and maximum reliability, Remove any transit packing and inspect the unit to en- all units are tested and inspected before leaving the fac- sure that all components have been delivered and that tory.

  • Page 32: Figure 6 - Unit Rigging/Lifting

    FORM 150.72-ICOM6 SECTION 3 – HANDLING AND STORAGE ISSUE DATE: 12/29/2017 LD18120 4 Fan Units LD18121 5 - 12 Fan Units FIGURE 6 - UNIT RIGGING/LIFTING JOHNSON CONTROLS...

  • Page 33: Lifting Using Lugs

    FORM 150.72-ICOM6 SECTION 3 – HANDLING AND STORAGE ISSUE DATE: 12/29/2017 LIFTING USING LUGS LIFTING USING SHACKLES Units are provided with lifting holes in the base frame The shackles should be inserted into the respective which accept the accessory lifting lug set as shown in holes in the base frame and secured from the inside.

  • Page 34: Lifting Weights

    FORM 150.72-ICOM6 SECTION 3 – HANDLING AND STORAGE ISSUE DATE: 12/29/2017 LD18119 FIGURE 7 - WARNING Rigging and lifting should only be done by LIFTING WEIGHTS a professional rigger in accordance with a See the unit nameplate for unit shipping weight. Note written rigging and lifting plan.

  • Page 35: Section 4 - Installation

    FORM 150.72-ICOM6 ISSUE DATE: 12/29/2017 SECTION 4 – INSTALLATION To ensure warranty coverage, this equip- In installations where winter operation is intended and ment must be commissioned and serviced snow accumulations are expected, additional height by an authorized Johnson Controls must be provided to ensure normal condenser air flow.

  • Page 36: Spring Isolators (Optional)

    Hand stop valves should be installed in all lines to fa- cilitate servicing. 7. A chilled water flow switch, (either by YORK or others) MUST be installed in the leaving water pip- Piping to the inlet and outlet connections of the chiller ing of the cooler.

  • Page 37: Pipework Arrangement

    FORM 150.72-ICOM6 SECTION 4 – INSTALLATION ISSUE DATE: 12/29/2017 PIPEWORK ARRANGEMENT When ducting is to be fitted to the fan discharge it is recommended that the duct should be the same cross- The following are suggested pipework arrangements sectional area as the fan outlet and straight for at least for single unit installations, for multiple unit installa- three feet (1 meter) to obtain static regain from the fan.

  • Page 38: Relief Valves

    FORM 150.72-ICOM6 SECTION 4 – INSTALLATION ISSUE DATE: 12/29/2017 aluminum to copper. This transition should be done in Alarm Status Contacts an external box separate to the power panel. Copper Normally-open contacts are available for each re- conductors can then be run from the box to the chiller. frigerant system.

  • Page 39: Single-Point Supply Connection - Terminal Block, Non-Fused Disconnect Switch Or Circuit Breaker

    FORM 150.72-ICOM6 SECTION 4 – INSTALLATION ISSUE DATE: 12/29/2017 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 XTBC1 Terminal Block, Terminal Block, MICROPANEL MICROPANEL NF Disconnect SW NF Disconnect SW or Circuit Breaker...

  • Page 40: Figure 10 - Control Wiring Inputs

    FORM 150.72-ICOM6 SECTION 4 – INSTALLATION ISSUE DATE: 12/29/2017 USER CONTROL WIRING INPUTS INTERNAL WIRING TO OPTIONAL REMOTE TEMP. RESET BOARD INTERNAL WIRING TO OPTIONAL REMOTE TEMP. RESET BOARD FLOW SWITCH REMOTE UNLOAD STEP 1 PWM REMOTE TEMP RESET INTERNAL WIRING TO 2-KCR CONTROL RELAY INTERNAL WIRING TO 1-KCR CONTROL RELAY REMOTE START / STOP XTBC1...

  • Page 41: Figure 11 - Thermal Dispersion Flow Switch

    FORM 150.72-ICOM6 SECTION 4 – INSTALLATION ISSUE DATE: 12/29/2017 Thermal Dispersion Flow Switch: 1. Thermal Dispersion Flow Switch Operating Principle PIN NUMBERS The operating principle of the thermal dispersion flow switch is based on the calorimetric princi- ple. It uses the cooling effect of a flowing fluid to monitor the flow rate.

  • Page 42: Figure 13 - Control Wiring Outputs

    FORM 150.72-ICOM6 SECTION 4 – INSTALLATION ISSUE DATE: 12/29/2017 USER CONTROL WIRING OUTPUTS INTERNAL WIRING TO EVAPORATOR HEATER INTERNAL WIRING TO HOT GAS SOLENOID VALVE SYSTEM 2 ALARM DRY CONTACTS (OPEN = ALARM) SYSTEM 1 ALARM DRY CONTACTS (OPEN = ALARM) SYSTEM 2 RUN DRY CONTACTS (CLOSE = RUN) SYSTEM 1 RUN DRY CONTACTS (CLOSE = RUN) EVAPORATOR PUMP DRY CONTACTS (CLOSE = RUN...

  • Page 43: Section 5 - Technical Data

    FORM 150.72-ICOM6 ISSUE DATE: 12/29/2017 SECTION 5 – TECHNICAL DATA OPERATIONAL LIMITATIONS (ENGLISH) TABLE 3 - TEMPERATURES AND FLOWS TEMPERATURE AIR ON CONDENSER (°F) UNIT WATER FLOW WATER FLOW DESIGNATION (GPM) MIN (GPM) MAX STANDARD EFFICIENCY YLAA0070SE YLAA0080SE YLAA0089SE YLAA0100SE YLAA0120SE YLAA0136SE YLAA0155SE...
  • Page 44 FORM 150.72-ICOM6 SECTION 5 – TECHNICAL DATA ISSUE DATE: 12/29/2017 HEAT EXCHANGER FLOW, GPM YLAA Evaporator Pressure Drop (IP Units) Water Flow Rate (gpm) LD21182 EVAPORATOR YLAA MODELS 0058HE, 0065HE, 0070SE 0080SE 0089SE, 0100SE, 0092HE, 0101HE, 0125HE 0081HE, 0136SE, 0170SE, 0156HE 0120SE, 0155SE, 0142HE 0175HE Evaporator Pressure Drop (IP Unit)

  • Page 45: Table 4 - Ethylene And Propylene Glycol Correction Factors

    FORM 150.72-ICOM6 SECTION 5 – TECHNICAL DATA ISSUE DATE: 12/29/2017 TABLE 4 - ETHYLENE AND PROPYLENE GLYCOL CORRECTION FACTORS ETHYLENE GLYCOL PROPYLENE GLYCOL FREEZE FREEZE COMPR GPM F/ PRESS COMPR GPM F/ PRESS TONS TONS WEIGHT DROP WEIGHT DROP 10.0 24.3 26.2 10.0...

  • Page 46: Physical Data Ylaa0058 - Ylaa0230 60Hz

    FORM 150.72-ICOM6 SECTION 5 – TECHNICAL DATA ISSUE DATE: 12/29/2017 PHYSICAL DATA YLAA0058 – YLAA0230 60HZ TABLE 5 - PHYSICAL DATA (ENGLISH) 60 HZ YLAA REFRIGERANT R-410A STANDARD EFFICIENCY UNITS 0070SE 0080SE 0089SE 0100SE 0120SE 0136SE 0155SE 0170SE NOMINAL RATINGS TONS 71.0 77.8...
  • Page 47 FORM 150.72-ICOM6 SECTION 5 – TECHNICAL DATA ISSUE DATE: 12/29/2017 TABLE 5 - PHYSICAL DATA (ENGLISH) 60 HZ (CONT’D) YLAA REFRIGERANT R-410A HIGH EFFICIENCY UNITS 0058HE 0065HE 0081HE 0092HE 0101HE 0125HE 0142HE 0156HE 0175HE 0200HE 0230HE NOMINAL RATINGS TONS 194.5 220.6 57.0 62.3...

  • Page 48: Electrical Data

    FORM 150.72-ICOM6 SECTION 5 – TECHNICAL DATA ISSUE DATE: 12/29/2017 ELECTRICAL DATA TABLE 6 - MICROPANEL POWER SUPPLY OVER CURRENT PROTECTION, CONTROL UNIT VOLTAGE SEE NOTE B NF DISC SW POWER NOTE A UNIT MODELS W/O VOLTAGE 115-1-60/50 CONTROL 30 A / 240V TRANS 200-1-60 30 A / 240V...

  • Page 49: Table 8 - Pump Electrical Data (60 Hz)

    FORM 150.72-ICOM6 SECTION 5 – TECHNICAL DATA ISSUE DATE: 12/29/2017 TABLE 8 - PUMP ELECTRICAL DATA (60 HZ) PUMP ELECTRICAL DATA PUMP HORSE 208-3-60HZ 230-3-60HZ 380-3-60HZ 460-3-60HZ 575-3-60HZ MODEL POWER 3600 12.0 92.0 55.5 46.0 36.8 3600 17.6 126.0 10.6 78.0 63.0 50.4...

  • Page 50: Table 10 - Electrical Data Without Pumps

    FORM 150.72-ICOM6 SECTION 5 – TECHNICAL DATA ISSUE DATE: 12/29/2017 TABLE 10 - ELECTRICAL DATA WITHOUT PUMPS MIN DUAL MAX DUAL CHILLER VOLTAGE MIN CKT. MIN N/F ELEM ELEM MODEL CODE AMPS DISC SW FUSE & FUSE MIN CB MAX CB JOHNSON CONTROLS...
  • Page 51 FORM 150.72-ICOM6 SECTION 5 – TECHNICAL DATA ISSUE DATE: 12/29/2017 TABLE 10 - ELECTRICAL DATA WITHOUT PUMPS (CONT’D) SYSTEM # 1 SYSTEM # 2 COMPR 1 COMPR 2 COMPR 3 STD FLOW FANS COMPR 1 COMPR 2 COMPR 3 STD FLOW FANS LRA QTY LRA QTY 57.7...
  • Page 52 FORM 150.72-ICOM6 SECTION 5 – TECHNICAL DATA ISSUE DATE: 12/29/2017 TABLE 10 - ELECTRICAL DATA WITHOUT PUMPS (CONT’D) MIN DUAL MAX DUAL CHILLER VOLTAGE MIN CKT. MIN N/F ELEM ELEM MODEL CODE AMPS DISC SW FUSE & FUSE MIN CB MAX CB 1000 1000...
  • Page 53 FORM 150.72-ICOM6 SECTION 5 – TECHNICAL DATA ISSUE DATE: 12/29/2017 TABLE 10 - ELECTRICAL DATA WITHOUT PUMPS (CONT’D) SYSTEM # 1 SYSTEM # 2 COMPR 1 COMPR 2 COMPR 3 STD FLOW FANS COMPR 1 COMPR 2 COMPR 3 STD FLOW FANS LRA QTY LRA QTY 106.2 523 106.2 523...

  • Page 54: Table 11 - Wiring Lugs

    FORM 150.72-ICOM6 SECTION 5 – TECHNICAL DATA ISSUE DATE: 12/29/2017 TABLE 11 - WIRING LUGS 1 PT SUPPLY MOLDED CASE SWITCH MOLDED CASE CIRCUIT T. BLOCK 1 PT. SUPPLY BREAKER 1 PT. SUPPLY CHILLER VOLTS MODEL INSTALLED INSTALLED ALTERNATE INSTALLED ALTERNATE (1) # 6 - 500 (2) 250 - 500...
  • Page 55 FORM 150.72-ICOM6 SECTION 5 – TECHNICAL DATA ISSUE DATE: 12/29/2017 TABLE 11 - WIRING LUGS (CONT’D) 1 PT SUPPLY MOLDED CASE SWITCH MOLDED CASE CIRCUIT T. BLOCK 1 PT. SUPPLY BREAKER 1 PT. SUPPLY CHILLER VOLTS MODEL INSTALLED INSTALLED ALTERNATE INSTALLED ALTERNATE (2) # 6 - 500...

  • Page 56: Electrical Notes

    FORM 150.72-ICOM6 SECTION 5 – TECHNICAL DATA ISSUE DATE: 12/29/2017 ELECTRICAL NOTES the rated load amps for all other loads included in NOTES 1. Minimum Circuit Ampacity (MCA) is based on the circuit. Otherwise, HACR-type circuit breakers 125% of the rated load amps for the largest mo- must be used.
  • Page 57 HEATER RELAY STANDARD YORK ACCESSORIES COMPRESSOR CONTACTOR - KM WIRING AND ITEMS SHOWN THUS ARE (INCLUDING COIL SUPPRESSOR) NOT SUPPLIED BY YORK - KCR CONTROL RELAY ITEMS THUS ENCLOSED FORM A COMPO- PUMP CONTACTOR PART NENTS OR SETS OF COMPONENTS...
  • Page 58 Thus, these circuits when used must be fed via the common point of isolation the voltage to these circuits is removed when the common point of isolation to the unit is opened. This common point of isolation is not supplied by YORK.
  • Page 59 FORM 150.72-ICOM6 SECTION 5 – TECHNICAL DATA ISSUE DATE: 12/29/2017 ELECTRICAL NOTES AND LEGEND (CONT’D) Field installed on remote evaporator units. Fitted on units with single phase motors only. Fitted on units with low ambient option only. Only fitted on units with an acoustic kit. Only fitted on heat recovery units.

  • Page 60: Figure 14 - Elementary Wiring Diagram

    FORM 150.72-ICOM6 SECTION 5 – TECHNICAL DATA ISSUE DATE: 12/29/2017 WIRING DIAGRAMS ELEMENTARY WIRING DIAGRAMS 035-21583-101 REV O 1/2.1 What these numbers mean. Example: 1 = follow wire no.1 2. = is the DWG number on the bottom center of each page. .1 = is the locator number across the top of the page.
  • Page 61 FORM 150.72-ICOM6 SECTION 5 – TECHNICAL DATA ISSUE DATE: 12/29/2017 DWG. 1 FIGURE 14 - ELEMENTARY WIRING DIAGRAM (CONT’D) JOHNSON CONTROLS...

  • Page 62: Figure 15 - Elementary Wiring Diagram

    FORM 150.72-ICOM6 SECTION 5 – TECHNICAL DATA ISSUE DATE: 12/29/2017 035-21583-102 REV O DWG. 2 1/2.1 What these numbers mean. Example: 1 = follow wire no.1 2. = is the DWG number on the bottom center of each page. .1 = is the locator number across the top of the page. At the top of the pages the numbers 1 to 11 go from left to right.
  • Page 63 FORM 150.72-ICOM6 SECTION 5 – TECHNICAL DATA ISSUE DATE: 12/29/2017 LD16751b DWG. 2 FIGURE 15 - ELEMENTARY WIRING DIAGRAM (CONT’D) JOHNSON CONTROLS...

  • Page 64: Figure 16 - Fan Wiring, Standard Air Flow

    FORM 150.72-ICOM6 SECTION 5 – TECHNICAL DATA ISSUE DATE: 12/29/2017 FAN WIRING 035-21583-125 REV - A 1L1/1.1 1L2/1.1 1L3/1.1 =1-F4 NB21 NB15 NB27 =1-F5 X/2.8 -AMB 2/1.2 LD21181a FIGURE 16 - FAN WIRING, STANDARD AIR FLOW JOHNSON CONTROLS...
  • Page 65 FORM 150.72-ICOM6 SECTION 5 – TECHNICAL DATA ISSUE DATE: 12/29/2017 2L1/1.5 2L2/1.5 2L3/1.5 =2-F4 NB27 =2-F5 Y/2.8 LD21181b FIGURE 16 - FAN WIRING, STANDARD AIR FLOW (CONT’D) JOHNSON CONTROLS...

  • Page 66: Figure 17 - Fan Wiring, High Air Flow

    FORM 150.72-ICOM6 SECTION 5 – TECHNICAL DATA ISSUE DATE: 12/29/2017 FAN WIRING 035-21583-118 REV F LD21180a FIGURE 17 - FAN WIRING, HIGH AIR FLOW JOHNSON CONTROLS...
  • Page 67 FORM 150.72-ICOM6 SECTION 5 – TECHNICAL DATA ISSUE DATE: 12/29/2017 LD21180b FIGURE 17 - FAN WIRING, HIGH AIR FLOW (CONT’D) JOHNSON CONTROLS...

  • Page 68: Figure 18 - Single And Dual Point Wiring Options

    FORM 150.72-ICOM6 SECTION 5 – TECHNICAL DATA ISSUE DATE: 12/29/2017 SINGLE AND DUAL POINT WIRING OPTIONS 035-21583-116 REV C SINGLE POINT WIRING OPTIONS DUAL POINT WIRING OPTIONS DWG. 16 LD21208 FIGURE 18 - SINGLE AND DUAL POINT WIRING OPTIONS JOHNSON CONTROLS...
  • Page 69 FORM 150.72-ICOM6 SECTION 5 – TECHNICAL DATA ISSUE DATE: 12/29/2017 THIS PAGE INTENTIONALLY LEFT BLANK JOHNSON CONTROLS...

  • Page 70: Figure 19 - Pump Wiring

    FORM 150.72-ICOM6 SECTION 5 – TECHNICAL DATA ISSUE DATE: 12/29/2017 PUMP WIRING 035-21583-105 REV E DWG. 5 FIGURE 19 - PUMP WIRING JOHNSON CONTROLS...
  • Page 71 FORM 150.72-ICOM6 SECTION 5 – TECHNICAL DATA ISSUE DATE: 12/29/2017 PUMP WIRING DWG. 5 LD16758a FIGURE 19 - PUMP WIRING JOHNSON CONTROLS...

  • Page 72: Figure 20 - Compressor Wiring

    FORM 150.72-ICOM6 SECTION 5 – TECHNICAL DATA ISSUE DATE: 12/29/2017 COMPRESSOR WIRING 035-21589-106 REV N FIGURE 20 - COMPRESSOR WIRING JOHNSON CONTROLS...
  • Page 73 FORM 150.72-ICOM6 SECTION 5 – TECHNICAL DATA ISSUE DATE: 12/29/2017 FIGURE 20 - COMPRESSOR WIRING (CONT’D) JOHNSON CONTROLS...

  • Page 74: Figure 21 - Power Options Connection Diagram

    FORM 150.72-ICOM6 SECTION 5 – TECHNICAL DATA ISSUE DATE: 12/29/2017 POWER OPTIONS CONNECTION DIAGRAM 035-21589-103 REV C 2L1A 2L2A 2L3A 2L1B 2L2B 2L3B 2L1C 2L2C 2L3C 1L1A 1L2A 1L3A 2L1A 2L2A 2L3A 1L1C 1L2C 1L3C 2L1B 2L2B 2L3B 2L1C 2L2C 2L3C 1L1A 1L2A...
  • Page 75 FORM 150.72-ICOM6 SECTION 5 – TECHNICAL DATA ISSUE DATE: 12/29/2017 2L1C 2L2C 2L3C -KP1 -KP2 2L1A 2L2A 2L3A 2L1B 2L2B 2L3B 2L1C 2L2C 2L3C LD13234D FIGURE 21 - POWER OPTIONS CONNECTION DIAGRAM (CONT’D) JOHNSON CONTROLS...

  • Page 76: Figure 22 - Power Panel

    FORM 150.72-ICOM6 SECTION 5 – TECHNICAL DATA ISSUE DATE: 12/29/2017 POWER PANEL 035-21589-101 REV H FIGURE 22 - POWER PANEL JOHNSON CONTROLS...
  • Page 77 FORM 150.72-ICOM6 SECTION 5 – TECHNICAL DATA ISSUE DATE: 12/29/2017 FIGURE 22 - POWER PANEL (CONT’D) JOHNSON CONTROLS...

  • Page 78: Figure 23 - Micro Panel Connections

    FORM 150.72-ICOM6 SECTION 5 – TECHNICAL DATA ISSUE DATE: 12/29/2017 MICRO PANEL CONNECTIONS 035-21589-102 REV M FIGURE 23 - MICRO PANEL CONNECTIONS JOHNSON CONTROLS...
  • Page 79 FORM 150.72-ICOM6 SECTION 5 – TECHNICAL DATA ISSUE DATE: 12/29/2017 FIGURE 23 - MICRO PANEL CONNECTIONS (CONT’D) JOHNSON CONTROLS...

  • Page 80: Figure 24 - Four Fan Units Dimensions - Ylaa0058He, Ylaa0065He, Ylaa0081He

    FORM 150.72-ICOM6 SECTION 5 – TECHNICAL DATA ISSUE DATE: 12/29/2017 FOUR FAN UNITS DIMENSIONS – YLAA0058HE, YLAA0065HE, YLAA0081HE LD18072 NOTE: Placement on a level surface of free of obstructions (including snow, for winter operation) or air circulation ensures rated performance, reliable operation, and ease of maintenance.

  • Page 81: Figure 25 - Four Fan Units Dimensions - Ylaa0070Se, Ylaa0080Se, Ylaa0089Se

    FORM 150.72-ICOM6 SECTION 5 – TECHNICAL DATA ISSUE DATE: 12/29/2017 FOUR FAN UNITS DIMENSIONS – YLAA0070SE, YLAA0080SE, YLAA0089SE LD18073 NOTE: Placement on a level surface of free of obstructions (including snow, for winter operation) or air circulation ensures rated performance, reliable operation, and ease of maintenance.

  • Page 82: Figure 26 - Five Fan Units Dimensions - Ylaa0100Se

    FORM 150.72-ICOM6 SECTION 5 – TECHNICAL DATA ISSUE DATE: 12/29/2017 FIVE FAN UNITS DIMENSIONS – YLAA0100SE LD18074 NOTE: Placement on a level surface of free of obstructions (including snow, for winter operation) or air circulation ensures rated performance, reliable operation, and ease of maintenance. Site restrictions may compromise minimum clearances indicated below, resulting in unpredictable airflow patterns and possible diminished performance.

  • Page 83: Figure 27 - Six Fan Units Dimensions - Ylaa0120Se, Ylaa0092He, Ylaa0101He

    FORM 150.72-ICOM6 SECTION 5 – TECHNICAL DATA ISSUE DATE: 12/29/2017 SIX FAN UNITS DIMENSIONS – YLAA0120SE, YLAA0092HE, YLAA0101HE LD18075 NOTE: Placement on a level surface of free of obstructions (including snow, for winter operation) or air circulation ensures rated performance, reliable operation, and ease of maintenance.

  • Page 84: Figure 28 - Eight Fan Units Dimensions - Ylaa0136Se, Ylaa0155Se, Ylaa0142He

    FORM 150.72-ICOM6 SECTION 5 – TECHNICAL DATA ISSUE DATE: 12/29/2017 EIGHT FAN UNITS DIMENSIONS – YLAA0136SE, YLAA0155SE, YLAA0142HE LD18076 NOTE: Placement on a level surface of free of obstructions (including snow, for winter operation) or air circulation ensures rated performance, reliable operation, and ease of maintenance.

  • Page 85: Figure 29 - Ten Fan Units Dimensions - Ylaa0170Se, Ylaa0156He, Ylaa0175He

    FORM 150.72-ICOM6 SECTION 5 – TECHNICAL DATA ISSUE DATE: 12/29/2017 TEN FAN UNITS DIMENSIONS – YLAA0170SE, YLAA0156HE, YLAA0175HE LD18077 NOTE: Placement on a level surface of free of obstructions (including snow, for winter operation) or air circulation ensures rated performance, reliable operation, and ease of maintenance.

  • Page 86: Figure 30 - Twelve Fan Units Dimensions

    FORM 150.72-ICOM6 SECTION 5 – TECHNICAL DATA ISSUE DATE: 12/29/2017 TWELVE FAN UNITS DIMENSIONS – YLAA0200HE, YLAA0230HE LD21039 NOTE: Placement on a level surface of free of obstructions (including snow, for winter operation) or air circulation ensures rated performance, reliable operation, and ease of maintenance.

  • Page 87: Weight Distribution And Isolator Mounting Positions

    FORM 150.72-ICOM6 SECTION 5 – TECHNICAL DATA ISSUE DATE: 12/29/2017 WEIGHT DISTRIBUTION AND ISOLATOR Whenever the isolator option is ordered, the isolators MOUNTING POSITIONS will be shipped loose with the chiller. Packed with the isolators and also in the control panel informa- General tion packet is a drawing and table specifically for each Weights of specific chiller models vary significantly as...

  • Page 88: Clearances

    FORM 150.72-ICOM6 SECTION 5 – TECHNICAL DATA ISSUE DATE: 12/29/2017 CLEARANCES See Figure 32 below for minimum clearances for all YLAA units. (2 m) (1.3 m) NOTES: 1. No obstructions allowed above the unit. 2. Only one adjacent wall may be higher than the unit. 3.

  • Page 89: Isolator Locations

    FORM 150.72-ICOM6 SECTION 5 – TECHNICAL DATA ISSUE DATE: 12/29/2017 ISOLATOR LOCATIONS FOUR FAN ISOLATOR LOCATIONS YLAA0058HE, YLAA0065HE, YLAA0081HE LD18078 FOUR FAN ISOLATOR LOCATIONS YLAA0070SE, YLAA0080SE, YLAA0089SE LD18079 All dimensions are inches unless otherwise specified. JOHNSON CONTROLS...
  • Page 90 FORM 150.72-ICOM6 SECTION 5 – TECHNICAL DATA ISSUE DATE: 12/29/2017 FIVE and SIX FAN ISOLATOR LOCATIONS YLAA0100SE, YLAA0120SE, YLAA0092HE, YLAA0101HE LD18080 EIGHT FAN ISOLATOR LOCATIONS YLAA0136SE, YLAA0155SE, YLAA0142HE LD18081 All dimensions are inches unless otherwise specified. JOHNSON CONTROLS...
  • Page 91 FORM 150.72-ICOM6 SECTION 5 – TECHNICAL DATA ISSUE DATE: 12/29/2017 TEN FAN ISOLATOR LOCATIONS YLAA0170SE, YLAA0156HE, YLAA0175HE LD18082 TWELVE FAN ISOLATOR LOCATIONS YLAA0200HE, YLAA0230HE VIEW LD21040 All dimensions are inches unless otherwise specified. JOHNSON CONTROLS...

  • Page 92: Isolator Information

    FORM 150.72-ICOM6 SECTION 5 – TECHNICAL DATA ISSUE DATE: 12/29/2017 ISOLATOR INFORMATION One Inch Deflection Spring Isolator Cross-reference 5/8" Ø1/2" H" C" T" B" L" D" W" LD13759A MOUNT DIMENSION DATA (INCHES) TYPE 7-3/4 6-1/2 4-3/4 5-5/8 10-1/2 9-1/4 7-3/4 9/16 MODEL NUMBER RATED CAPACITY (LBS)

  • Page 93: Installation Instructions

    FORM 150.72-ICOM6 SECTION 5 – TECHNICAL DATA ISSUE DATE: 12/29/2017 ONE INCH DEFLECTION SPRING ISOLATORS INSTALLATION INSTRUCTIONS 1. Read instructions in their entirety before begin- 6. The adjustment process can only begin after the ning installation. equipment or machine is at its full operating weight.
  • Page 94 FORM 150.72-ICOM6 SECTION 5 – TECHNICAL DATA ISSUE DATE: 12/29/2017 2” DEFLECTION ISOLATOR CROSS-REFERENCE Y2RS 1-1/8" 5" 5/8" 2-3/4" 2-3/4" 12" 3/8" GAP 5/8-11UNC Ø3/4" TYP. (4) TYP.(4) 3/4" 7/8" 1/2" LIMIT STOP & 8-3/8" OPER. HEIGHT 12-1/4" 14" LD13761A 3-1/2"...
  • Page 95 FORM 150.72-ICOM6 SECTION 5 – TECHNICAL DATA ISSUE DATE: 12/29/2017 2” DEFLECTION ISOLATOR INSTALLATION AND ADJUSTMENT 1. Read instructions in their entirety before begin- equipment or bracket to the top plate (“A”) of iso- ning installation. lator with a minimum of 3/8 fillet welds 2" long @ 3"...
  • Page 96 FORM 150.72-ICOM6 SECTION 5 – TECHNICAL DATA ISSUE DATE: 12/29/2017 NEOPRENE ISOLATOR CROSS-REFERENCE RD-Style Isolators MOLDED DURULENE ø D THRU TYP 2 PLACES LD13760A 1. All dimensions are inches, interpreted per ANSI 4. AL = Mounting hole center to center spacing. Y14.
  • Page 97 FORM 150.72-ICOM6 SECTION 5 – TECHNICAL DATA ISSUE DATE: 12/29/2017 INSTALLATION OF NEOPRENE VIBRATION ISOLATORS 1. Read instructions in their entirety before begin- 4. Bolt or anchor all isolators to supporting structure ning installation. utilizing base thru holes (“B”). 2. Isolators are shipped fully assembled and are to be 5.
  • Page 98 FORM 150.72-ICOM6 ISSUE DATE: 12/29/2017 THIS PAGE INTENTIONALLY LEFT BLANK JOHNSON CONTROLS...

  • Page 99: Section 6 - Commissioning

    FORM 150.72-ICOM6 ISSUE DATE: 12/29/2017 SECTION 6 – COMMISSIONING Commissioning of this unit should only Charging after vacuuming - NEVER add be carried out by Johnson Controls Au- more than 5% of specified amount into the thorized personnel. evaporator. This will lead to compressor failure when compressor starts.
  • Page 100 Supply Voltage of clean hose or copper line, but do not tighten the flare nut. Use YORK “V” oil 011-00949-000, when adding Verify that the site voltage supply corresponds to the oil to Copeland compressor. The Bitzer compressor unit requirement and is within the limits given in SEC- uses 011-00982-000 oil.

  • Page 101: Preparation - Power On

    FORM 150.72-ICOM6 SECTION 6 – COMMISSIONING ISSUE DATE: 12/29/2017 The machine is now live! Flow Switch Verify a chilled water flow switch is correctly fitted in the customer’s piping on the cooler outlet, and wired into the control panel correctly using shielded cable. There should be a straight run of at least 5 pipe diam- eters on either side of the flow switch.

  • Page 102: How To Commission The Pump Vfd

    FORM 150.72-ICOM6 SECTION 6 – COMMISSIONING ISSUE DATE: 12/29/2017 HOW TO COMMISSION THE PUMP VFD 1. Put pump in HAND mode. LD18421 LD18422 6. Set parameter 22-89 to the Sensorless Flow read- out taken in the previous step. LD18418 2. Change parameter 0-20 (default value is option 1601 –...
  • Page 103 FORM 150.72-ICOM6 SECTION 6 – COMMISSIONING ISSUE DATE: 12/29/2017 Supersedes: 150.72-CL1 (817) Form 150.72-CL1 (1217) MODEL - YLAA STARTUP CHECKLIST CUSTOMER: ____________________________________ JOB NAME: ____________________________________ ADDRESS: _____________________________________ LOCATION: ____________________________________ PHONE: ________________________________________ CUSTOMER ORDER NO: _________________________ JCI TEL NO: _____________________ JCI ORDER NO: __________________ JCI CONTRACT NO: ______________ CHILLER MODEL NO: ____________________________ UNIT SERIAL NO: _______________________________...
  • Page 104 Remote Temperature Reset External Evaporator Pump 7. Place the Unit Switch in the control panel to the ON position............... YORK Hydro Kit Pump NOTE: The chilled liquid setpoint may need to Pump Selection be temporarily lowered to ensure all compres- Data Log to Flashcard sors cycle ON.
  • Page 105 FORM 150.72-ICOM6 SECTION 6 – COMMISSIONING ISSUE DATE: 12/29/2017 FORM 150.72-CL1 ISSUE DATE: 12/29/2017 D. CHECKING SUPERHEAT AND SUBCOOLING 12. Record the suction temperature, suction pressure, saturation temperature, and superheat of each sys- The subcooling temperature of each system can be calcu- tem below: ..............
  • Page 106 FORM 150.72-ICOM6 ISSUE DATE: 12/29/2017 THIS PAGE INTENTIONALLY LEFT BLANK JOHNSON CONTROLS...

  • Page 107: Section 7 - Unit Controls

    LD13283 INTRODUCTION IPU II AND I/O BOARDS The YORK Control Center is a microprocessor based The IPU and I/O boards are assembled to function as control system designed to provide the entire control a single microprocessor controller. The IPU II board for the liquid chiller.

  • Page 108: Transformer

    FORM 150.72-ICOM6 SECTION 7 – UNIT CONTROLS ISSUE DATE: 12/29/2017 plied power for the micro board +5V supply. 24VAC KEYPAD is rectified, but not regulated, to provide unregulated The 12 button non-tactile keypad allows the user to +30VDC to supply all of the digital inputs. retrieve vitals system parameters such as system pres- sures, temperatures, compressor running times and The I/O board contains one green “Power”...

  • Page 109: Status Key

    FORM 150.72-ICOM6 SECTION 7 – UNIT CONTROLS ISSUE DATE: 12/29/2017 STATUS KEY 00066VIP Unit Status D A I L Y S C H E D U L E Pressing the STATUS key will enable the operator to S H U T D O W N determine current chiller operating status.
  • Page 110 FORM 150.72-ICOM6 SECTION 7 – UNIT CONTROLS ISSUE DATE: 12/29/2017 The limiting pressure is a factory set limit to keep the S Y S C O O L L O A D system from faulting on the high discharge pressure S Y S C O O L L O A D...
  • Page 111 FORM 150.72-ICOM6 SECTION 7 – UNIT CONTROLS ISSUE DATE: 12/29/2017 OVERRIDE is to only be used in emergencies or for S Y S L O W S U C T P R E S S servicing. Manual override mode automatically disables S Y S L O W S U C T...
  • Page 112 FORM 150.72-ICOM6 SECTION 7 – UNIT CONTROLS ISSUE DATE: 12/29/2017 The internal motor protector opens at 185 °F to 248 °F This safety will shut down a system if either suction (85 °C to 120 °C) and auto resets. The mechanical HP temperature or suction pressure sensors read out of switch opens at 585 PSIG plus or minus 10 PSIG (27.92 range high or low.
  • Page 113 FORM 150.72-ICOM6 SECTION 7 – UNIT CONTROLS ISSUE DATE: 12/29/2017 setpoints, program values, options, time, schedule, and U N I T F A U L T : history buffers will be lost. These values will all be re- H I G H M T R C U R R set to their default values which may not be the desired...

  • Page 114: Figure 33 - Status Key Messages Quick Reference List

    FORM 150.72-ICOM6 SECTION 7 – UNIT CONTROLS ISSUE DATE: 12/29/2017 STATUS KEY MESSAGES General Messages Fault Messages Unit Safeties & System Safeties Unit Switch Off Warning Messages Shutdown Remote Controlled System X High Disch Pressure Low Ambient Temp Shutdown Daily Schedule Low Liquid Temp System X Low Suct Pressure Shutdown...

  • Page 115: Display/Print Keys

    FORM 150.72-ICOM6 SECTION 7 – UNIT CONTROLS ISSUE DATE: 12/29/2017 DISPLAY/PRINT KEYS 00067VIP The Display/Print keys allow the user to retrieve sys- With the “UNIT TYPE” set as a liquid chiller (no tem and unit information that is useful for monitoring jumper from J11-7 to J11-12 on the I/O Board), the chiller operation, diagnosing potential problems, trou- following list of operating data screens are viewable...
  • Page 116 FORM 150.72-ICOM6 SECTION 7 – UNIT CONTROLS ISSUE DATE: 12/29/2017 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 117 2 message is displayed. ISN – YORK Talk via ISN allows remote load limiting and temperature reset through an ISN system. The fourth message indicates the stage of condenser fan operation that is active.

  • Page 118: Figure 34 - Operation Data

    DEFROST TERMINATION TIME 3MIN BIVALENT HEAT DELAY TIME 30 MIN Current Feedback One Per System REMOTE UNIT ID PROGRAMMED YORK HYDRO KIT PUMPS 1 (410a) PUMP TOTAL RUN HOURS XXXXX (410a) * Block of information repeats for each system LD12585 UNIT DATA RETURN LIQUID TEMP 58.2 DEGF...
  • Page 119 MON START=00:00AM STOP=00:00AM TUE START=00:00AM STOP=00:00AM follows. WED START=00:00AM STOP=00:00AM THU START=00:00AM STOP=00:00AM FRI START=00:00AM STOP=00:00AM YORK INTERNATIONAL CORPORATION SAT START=00:00AM STOP=00:00AM MILLENNIUM LIQUID CHILLER HOL START=00:00AM STOP=00:00AM SAFETY SHUTDOWN NUMBER 1 SHUTDOWN @ 3:56PM 29 SEP 07...
  • Page 120 FORM 150.72-ICOM6 SECTION 7 – UNIT CONTROLS ISSUE DATE: 12/29/2017 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 121 FORM 150.72-ICOM6 SECTION 7 – UNIT CONTROLS ISSUE DATE: 12/29/2017 L E A D S Y S T E M L E A V I N G L I Q U I D T E M P S Y S T E M N U M B E R C U T O U T X X X .
  • Page 122 FORM 150.72-ICOM6 SECTION 7 – UNIT CONTROLS ISSUE DATE: 12/29/2017 der the PROGRAM key, the display will be the first S Y S S U C T X X X . X ° F display prior to the SYS 1 info. If the microprocessor is S A T S U C T X X X .

  • Page 123: Entry Keys

    FORM 150.72-ICOM6 SECTION 7 – UNIT CONTROLS ISSUE DATE: 12/29/2017 ENTRY KEYS 00068VIP The Entry Keys allows the user to view, change pro- Enter/Adv Key grammed values. The ENTRY keys consist of an ↑ (UP) The ENTER/ADV key must be pushed after any change arrow key, ↓...

  • Page 124: Setpoints Keys

    FORM 150.72-ICOM6 SECTION 7 – UNIT CONTROLS ISSUE DATE: 12/29/2017 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 125: Schedule/Advance Day Key

    FORM 150.72-ICOM6 SECTION 7 – UNIT CONTROLS ISSUE DATE: 12/29/2017 the control range. If the control mode has been pro- The following messages illustrate both leaving chilled grammed for RETURN LIQUID control, the message liquid control and return chilled liquid control respec- below would be displayed in place of the previous tively.

  • Page 126: Table 12 - Cooling Setpoint, Programmable Limits And Defaults

    FORM 150.72-ICOM6 SECTION 7 – UNIT CONTROLS ISSUE DATE: 12/29/2017 TABLE 12 - COOLING SETPOINT, PROGRAMMABLE LIMITS AND DEFAULTS SETPOINT KEY MODE LOW LIMIT HIGH LIMIT DEFAULT 40.0°F **70.0°F 44.0°F WATER COOLING 4.4°C 21.1°C 6.7°C LEAVING CHILLED LIQUID SETPOINT 10.0°F **70.0°F 44.0°F GLYCOL COOLING*...

  • Page 127: Program Key

    FORM 150.72-ICOM6 SECTION 7 – UNIT CONTROLS ISSUE DATE: 12/29/2017 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 128: Table 13 - Program Key Limits And Default

    FORM 150.72-ICOM6 SECTION 7 – UNIT CONTROLS ISSUE DATE: 12/29/2017 This MUST be programmed correctly to F A N D I F F E R E N T I A L O F F assure proper chiller operation. P R E S S U R E X X X P S I G The Fan Differential Off Pressure is the programmed...
  • Page 129 FORM 150.72-ICOM6 SECTION 7 – UNIT CONTROLS ISSUE DATE: 12/29/2017 Depending on the option, the trip voltage for a Unit Trip Volts specific system or unit high current trip can be For total chiller high current trip programming on programmed. It also calibrates the current read- 460VAC chillers: out under the OPER DATA key.

  • Page 130: Figure 35 - Setpoints Quick Reference List

    FORM 150.72-ICOM6 SECTION 7 – UNIT CONTROLS ISSUE DATE: 12/29/2017 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. – Sun. Discharge Water Temp Control &...

  • Page 131: Unit Keys

    FORM 150.72-ICOM6 SECTION 7 – UNIT CONTROLS ISSUE DATE: 12/29/2017 UNIT KEYS OPTIONS CLOCK 00070VIP Options Key This allows both systems to run. There are many user programmable options under the OPTIONS key. The OPTIONS key is used to scroll through the list of options by repeatedly pressing the S Y S S W I T C H...
  • Page 132 FORM 150.72-ICOM6 SECTION 7 – UNIT CONTROLS ISSUE DATE: 12/29/2017 Unit control is based on return chilled liquid temp. C H I L L E D L I Q U I D Return Chilled Liquid Control can only be selected on G L Y C O L units that have 4 to 6 compressors (dual system units).
  • Page 133 FORM 150.72-ICOM6 SECTION 7 – UNIT CONTROLS ISSUE DATE: 12/29/2017 Option 9 – Condenser Fan Control Mode C U R R E N T F E E D B A C K O N E P E R S Y S T E M F A N C O N T R O L D I S C H A R G E...
  • Page 134 FORM 150.72-ICOM6 SECTION 7 – UNIT CONTROLS ISSUE DATE: 12/29/2017 Option 15 – Refrigerant Type F L A S H C A R D U P D A T E E N A B L E D R E F R I G E R A N T T Y P E R –...
  • Page 135 The displays for this PUMP SELECTION option board pump kit or to control an external pump through should only appear if “YORK HYDRO KIT PUMPS = dry contacts 23 and 24 on Terminal Block XTBC2. To 2” are selected under Option 19. Presently, this option use this option, the following selection should be made should not be used.

  • Page 136: Figure 36 - Unit Keys Options Programming Quick Reference List

    FORM 150.72-ICOM6 SECTION 7 – UNIT CONTROLS ISSUE DATE: 12/29/2017 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 on/off Flash Card Update Chilled Liquid Type (water or glycol) Remote Temp Reset...

  • Page 137: Bacnet, Modbus, N2 And Yorktalk 2 Communications

    FORM 150.72-ICOM6 SECTION 7 – UNIT CONTROLS ISSUE DATE: 12/29/2017 BACNET, MODBUS, N2 AND YORKTALK 2 • RS-485: connect to TB2 - Network (-1) to TB2 (-1); Network (+1) to TB2 (+1) COMMUNICATIONS Data can be read and in some cases modified using a •...

  • Page 138: Figure 37 - Micro Panel Connections

    FORM 150.72-ICOM6 SECTION 7 – UNIT CONTROLS ISSUE DATE: 12/29/2017 035-02550-xxx I/O Board LD14318 FIGURE 37 - MICRO PANEL CONNECTIONS The table below shows the minimum, maximum, and default values. TABLE 14 - MINIMUM, MAXIMUM AND DEFAULT VALUES DESCRIPTION MINIMUM MAXIMUM DEFAULT DE MODIFIER ADDRESS...

  • Page 139: Table 15 - Values Required For Bas Communication

    FORM 150.72-ICOM6 SECTION 7 – UNIT CONTROLS ISSUE DATE: 12/29/2017 The table below shows set-up requirements for each communication protocol. TABLE 15 - VALUES REQUIRED FOR BAS COMMUNICATION PROTOCOL SETTING DESCRIPTION BACNET MS/TP MODBUS RTU YORKTALK 2 DE MODIFIER ADDRESS 0 to 41943 0 to 41943 DE MODIFIER OFFSET...

  • Page 140: Table 16 - Real Time Error Numbers

    FORM 150.72-ICOM6 SECTION 7 – UNIT CONTROLS ISSUE DATE: 12/29/2017 TABLE 16 - REAL TIME ERROR NUMBERS Communications Data Map Notes ERROR (See Table 17) NUMBER DESCRIPTION 1. IPU II based units are configured for Native BAC- (##) net MS/TP and Modbus RTU communications. ALL OK E-Link Gateway not required for these two com- DATUM TYPE OK TEST FAILED...

  • Page 141: Table 17 - Native Bacnet, Modbus And N2 Communications Data Map

    FORM 150.72-ICOM6 SECTION 7 – UNIT CONTROLS ISSUE DATE: 12/29/2017 TABLE 17 - NATIVE BACNET, MODBUS AND N2 COMMUNICATIONS DATA MAP JOHNSON CONTROLS...
  • Page 142 FORM 150.72-ICOM6 SECTION 7 – UNIT CONTROLS ISSUE DATE: 12/29/2017 TABLE 17 - NATIVE BACNET, MODBUS AND N2 COMMUNICATIONS DATA MAP (CONT’D) JOHNSON CONTROLS...
  • Page 143 FORM 150.72-ICOM6 SECTION 7 – UNIT CONTROLS ISSUE DATE: 12/29/2017 TABLE 17 - NATIVE BACNET, MODBUS AND N2 COMMUNICATIONS DATA MAP (CONT’D) JOHNSON CONTROLS...
  • Page 144 FORM 150.72-ICOM6 SECTION 7 – UNIT CONTROLS ISSUE DATE: 12/29/2017 Yorktalk 2 Communications Transmitted Data After receiving a valid transmission from the E-Link Received Data (Control Data) Gateway, the unit will transmit either operational data The unit receives eight data values from the E-Link or history buffer data depending on the “History Buffer Gateway.

  • Page 145: Table 18 - Yorktalk 2 Communications Data Map

    FORM 150.72-ICOM6 SECTION 7 – UNIT CONTROLS ISSUE DATE: 12/29/2017 TABLE 18 - YORKTALK 2 COMMUNICATIONS DATA MAP JOHNSON CONTROLS...
  • Page 146 FORM 150.72-ICOM6 SECTION 7 – UNIT CONTROLS ISSUE DATE: 12/29/2017 TABLE 18 - YORKTALK 2 COMMUNICATIONS DATA MAP (CONT’D) JOHNSON CONTROLS...
  • Page 147 FORM 150.72-ICOM6 SECTION 7 – UNIT CONTROLS ISSUE DATE: 12/29/2017 TABLE 18 - YORKTALK 2 COMMUNICATIONS DATA MAP (CONT’D) JOHNSON CONTROLS...
  • Page 148 FORM 150.72-ICOM6 ISSUE DATE: 12/29/2017 THIS PAGE INTENTIONALLY LEFT BLANK JOHNSON CONTROLS...

  • Page 149: Section 8 - Unit Operation

    FORM 150.72-ICOM6 ISSUE DATE: 12/29/2017 SECTION 8 – UNIT OPERATION Unit Operating Sequence The operating sequence described below relates to op- 7. As the load decreases below setpoint, the com- eration on a hot water start after power has been ap- pressors will be shut down in sequence.

  • Page 150: Suction Pressure Limit Controls

    FORM 150.72-ICOM6 SECTION 8 – UNIT OPERATION ISSUE DATE: 12/29/2017 SUCTION PRESSURE LIMIT CONTROLS If after 60 seconds of run-time the leaving chilled liq- uid temperature is still above the Setpoint High Limit, The anticipatory controls are intended to prevent the the next compressor in sequence will be energized.

  • Page 151: Leaving Chilled Liquid Control Override To Reduce Cycling

    FORM 150.72-ICOM6 SECTION 8 – UNIT OPERATION ISSUE DATE: 12/29/2017 TABLE 19 - SAMPLE COMPRESSOR STAGING FOR RETURN WATER CONTROL COMPRESSOR STAGING FOR RETURN WATER CONTROL 4 COMPRESSOR COOLING SETPOINT = 45 °F (7.2 °C) RANGE = 10 °F (5.6 °C) # OF COMP ON * 1+HG 45 °F...

  • Page 152: Leaving Chilled Liquid System Lead/Lag And Compressor Sequencing

    FORM 150.72-ICOM6 SECTION 8 – UNIT OPERATION ISSUE DATE: 12/29/2017 LEAVING CHILLED LIQUID SYSTEM LEAD/ RETURN CHILLED LIQUID CONTROL LAG AND COMPRESSOR SEQUENCING (Can be used on Dual System 4, 5 and 6 Comp A Lead/Lag option may be selected to help equalize Units Only) average run hours between systems with 2 refriger- Return chilled liquid control is based on staging the...

  • Page 153: Return Chilled Liquid System Lead/Lag And Compressor Sequencing

    LAG AND COMPRESSOR SEQUENCING a system. A Lead/Lag option may be selected to help equalize EVAPORATOR PUMP CONTROL AND YORK average run hours between systems with 2 refriger- HYDRO KIT PUMP CONTROL ant systems. This may be programmed under the OP- TIONS key.

  • Page 154: Evaporator Heater Control

    DO NOT SELECT the 156 and Table 23 on page 157). The fan control on option “YORK HYDRO KIT PUMPS = 2” under the pressure and fan differential off-pressure are program- OPTIONS key. If a dual pump option is installed, the mable under the PROGRAM key.

  • Page 155: Figure 40 - Condenser Fan Locations

    FORM 150.72-ICOM6 SECTION 8 – UNIT OPERATION ISSUE DATE: 12/29/2017 YLAA0070SE, YLAA0080SE, YLAA0091HE, YLAA0115SE, YLAA0100SE YLAA0101HE YLAA0090SE, YLAA0120SE, =2-MF1 =1-MF2 =2-MF1 =1-MF2 =2-MF1 =2-MF2 =1-MF2 =2-MF1 =1-MF2 =1-MF3 =2-MF2 =2-MF2 =1-MF1 =2-MF3 =1-MF1 =2-MF3 =2-MF4 =1-MF1 =2-MF3 =2-MF2 =1-MF1 YLAA0142HE YLAA0125HE, YLAA0136SE, YLAA0150SE, YLAA0155SE =2-MF1 =1MF5...

  • Page 156: Table 22 - Ylaa Standard Condenser Fan Control Using Discharge Pressure Only (2, 3, Or 4 Fans Per System)

    FORM 150.72-ICOM6 SECTION 8 – UNIT OPERATION ISSUE DATE: 12/29/2017 TABLE 22 - YLAA STANDARD CONDENSER FAN CONTROL USING DISCHARGE PRESSURE ONLY (2, 3, OR 4 FANS PER SYSTEM) IPUII I/O OUTPUT FAN # CONTACTOR OFF** STAGE SYS 1 SYS 2 SYS 1 SYS 2 SYS 1...
  • Page 157 FORM 150.72-ICOM6 SECTION 8 – UNIT OPERATION ISSUE DATE: 12/29/2017 TABLE 23 - YLAA STANDARD CONDENSER FAN CONTROL USING DISCHARGE PRESSURE ONLY (5 OR 6 FANS PER SYSTEM) IPUII I/O OUTPUT FAN CONTACTOR FAN # OFF** STAGE SYS 1 SYS 2 SYS 1 SYS 2 SYS 1...

  • Page 158: Load Limiting

    There are two ways to load limit the unit. The first is through remote communication via an ISN. Load limit stages are sent through YORK Talk on pages 9 and 10 of feature 54. Page 9 is stage 1 load limit and page 10 COMPRESSOR RUN STATUS is stage 2 load limit.

  • Page 159: Remote Bas/Ems Temperature Reset Using A Voltage Or Current Signal

    FORM 150.72-ICOM6 SECTION 8 – UNIT OPERATION ISSUE DATE: 12/29/2017 REMOTE BAS/EMS TEMPERATURE RESET If a 4 to 20mA signal is supplied, it is applied to Ter- minals A+ and A- and jumper JP1 on the I/O board USING A VOLTAGE OR CURRENT SIGNAL must be installed between pin 1 and 2.
  • Page 160 FORM 150.72-ICOM6 ISSUE DATE: 12/29/2017 THIS PAGE INTENTIONALLY LEFT BLANK JOHNSON CONTROLS...

  • Page 161: Section 9 - Service And Troubleshooting

    FORM 150.72-ICOM6 ISSUE DATE: 12/29/2017 SECTION 9 – SERVICE AND TROUBLESHOOTING Following is the order of outputs that will appear as the CLEARING HISTORY BUFFERS ENTER/ADV key is pressed: The history buffers may be cleared by pressing the HISTORY key and then repeatedly pressing the UP SYS 1 COMP 1 STATUS TB7-2 IS: arrow key until you scroll past the last history buffer SYS 1 LLSV STATUS TB7-3 IS:...

  • Page 162: Service Mode - Chiller Configuration

    FORM 150.72-ICOM6 SECTION 9 – SERVICE AND TROUBLESHOOTING ISSUE DATE: 12/29/2017 SERVICE MODE – ANALOG AND DIGITAL S Y S L L S V S T A T U S INPUTS T B 10 - 3 O F F After entering Service Mode (PROGRAM ↑↑ ↓↓), all digital and analog inputs to the microboard can be This display indicates that the system 1 liquid line sole- viewed by pressing the OPER DATA key.

  • Page 163: Control Inputs/Outputs

    FORM 150.72-ICOM6 SECTION 9 – SERVICE AND TROUBLESHOOTING ISSUE DATE: 12/29/2017 TABLE 27 - I/O ANALOG INPUTS F L O W S W / R E M S T A R T SYS 1 Suction Transducer J 13 - 5 J7-10 -or- SYS 1 Low Pressure Switch...

  • Page 164: Figure 41 - Microboard Layout

    FORM 150.72-ICOM6 SECTION 9 – SERVICE AND TROUBLESHOOTING ISSUE DATE: 12/29/2017 I/O BOARD BOARD TB10 LD12721 FIGURE 41 - MICROBOARD LAYOUT JOHNSON CONTROLS...

  • Page 165: Checking Inputs And Outputs

    FORM 150.72-ICOM6 SECTION 9 – SERVICE AND TROUBLESHOOTING ISSUE DATE: 12/29/2017 CHECKING INPUTS AND OUTPUTS TABLE 29 - OUTDOOR AIR SENSOR TEMPERATURE/VOLTAGE/ Digital Inputs CORRELATION See the unit wiring diagram. All digital inputs are con- VOLTAGE TEMP °F (SIGNAL INPUT TEMP °C nected to J13-1 of the I/O board.

  • Page 166: Table 30 - Entering/Leaving Chilled Liquid Temp. Sensor, Temperature/Voltage Correlation

    FORM 150.72-ICOM6 SECTION 9 – SERVICE AND TROUBLESHOOTING ISSUE DATE: 12/29/2017 Liquid and Refrigerant Sensor Test Points TABLE 30 - ENTERING/LEAVING CHILLED LIQUID TEMP. SENSOR, TEMPERATURE/ (See Table 30 on page 166) VOLTAGE CORRELATION VOLTAGE Entering Chilled Liquid Sensor TEMP °F (SIGNAL INPUT TEMP °C J6-5 = +5VDC regulated supply to sensor.

  • Page 167: Table 31 - Pressure Transducers

    FORM 150.72-ICOM6 SECTION 9 – SERVICE AND TROUBLESHOOTING ISSUE DATE: 12/29/2017 J9-7 = +5VDC return TABLE 31 - PRESSURE TRANSDUCERS 0-400 PSIG SUCTION 0-600 PSIG DISCHARGE J9-2 = drain (shield connection = 0VDC) PRESSURE PRESSURE TRANSDUCER TRANSDUCER The suction transducers have a range from 0 to 400 PRESSURE VOLTAGE PRESSURE...

  • Page 168: Optional Printer Installation

    TB10 The part number for the printer that is packaged spe- SYS 2 TB10-4 COMPR 2 (5) cifically for YORK is P/N 950915576. The cable to SYS 2 TB10-5 connect the printer can either be locally assembled COMPR 3 (6)

  • Page 169: Figure 43 - Printer To Microboard Electrical Connections

    FORM 150.72-ICOM6 SECTION 9 – SERVICE AND TROUBLESHOOTING ISSUE DATE: 12/29/2017 Assembly and Wiring Obtaining a Printout All components should be assembled and wired as A printout is obtained by pressing the PRINT key on shown in Figure 43. Strip the outside insulation back the keypad and then pressing either the OPER DATA several inches and individual wires about 3/8”...

  • Page 170: Troubleshooting

    FORM 150.72-ICOM6 SECTION 9 – SERVICE AND TROUBLESHOOTING ISSUE DATE: 12/29/2017 TROUBLESHOOTING TABLE 32 - TROUBLESHOOTING PROBLEM CAUSE SOLUTION 1. No 115VAC to 24VAC 1a. Check wiring and fuse 1FU. Transformer. 1b. Check wiring emergency stop contacts 5 to L of XTBC2 Terminal Block. 1c.
  • Page 171 FORM 150.72-ICOM6 SECTION 9 – SERVICE AND TROUBLESHOOTING ISSUE DATE: 12/29/2017 TABLE 32 - TROUBLESHOOTING (CONT’D) PROBLEM CAUSE SOLUTION 1. Improperly adjusted leaving 1. Re-program the leaving chilled liquid temp. chilled liquid temp. cutout (glycol cutout. only). 2. Micro panel setpoint/range 2.
  • Page 172 FORM 150.72-ICOM6 ISSUE DATE: 12/29/2017 THIS PAGE INTENTIONALLY LEFT BLANK JOHNSON CONTROLS...

  • Page 173: Section 10 - Maintenance

    MCHX. This can cause severe damage to the level falls to the bottom limit of the oil sight glass. coils. Use YORK “V” oil 011-00949-000, when • DO NOT use a pressure washer to clean the adding oil to Copeland compressor. The MCHX.

  • Page 174: Operating Parameters

    FORM 150.72-ICOM6 SECTION 10 – MAINTENANCE ISSUE DATE: 12/29/2017 2. Rinse the MCHX with tap water. Do not use BRAZED PLATE HEAT EXCHANGER MCHX cleaners. Rinse the coil from the inside (EVAPORATOR) HEATER out, running water through every passage in the The internal power supply to the Evapo- heat exchanger surface until it is clean.
  • Page 175 FORM 150.72-ICOM6 SECTION 10 – MAINTENANCE ISSUE DATE: 12/29/2017 TEMPERATURE CONVERSION CHART TEMPERATURE CONVERSION CHART Temperature Conversion Chart - Temperature Conversion Chart - Actual Temperatures Differential Temperatures ° F ° C °C °F ° F ° C °C °F -17.8 -0.4 -15.6 -13.3...
  • Page 176 FORM 150.72-ICOM6 SECTION 10 – MAINTENANCE ISSUE DATE: 12/29/2017 R-410A PRESSURE TEMPERATURE CHART PSIG TEMP ˚F PSIG TEMP ˚F JOHNSON CONTROLS...

  • Page 177: Temperature

    FORM 150.72-ICOM6 ISSUE DATE: 12/29/2017 The following factors can be used to convert from English to the most common SI Metric values. TABLE 33 - SI METRIC CONVERSION MEASUREMENT MULTIPLY ENGLISH UNIT BY FACTOR TO OBTAIN METRIC UNIT Capacity Tons Refrigerant Effect (ton) 3.516 Kilowatts (kW) Power...
  • Page 178 5000 Renaissance Drive, New Freedom, Pennsylvania USA 17349 Tele. 800-861-1001 Subject to change without notice. Printed in USA Copyright © by Johnson Controls 2017 www.johnsoncontrols.com ALL RIGHTS RESERVED Form 150.72-ICOM6 (1217) Issue Date: December 29, 2017 Supersedes: 150.72-ICOM6 (817)

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