Johnson Controls YORK Tempo YLAA0135 - Page 79

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FORM 150.72-NM1 (1020)

79

JOHNSON CONTROLS

55

Table of Contents

Table of Contents5
Section 1 - General Chiller Information and Safety15
- Introduction15
- Warranty15
- Safety and Quality15
  - Standards for Safety and Quality15
  - Responsibility for Safety16
- About this Manual16
- Misuse of Equipment16
Section 2 - Product Description19
- Introduction19
- General System Description19
- Communications21
- High Ambient Kit21
- Building Automation System Interface21
- Power Panel21
- Accessories and Options22
- Unit Components25
Fig. 1 - Unit Components Front25
Fig. 2 - Unit Components Side26
- Control / Power Panel Components27
Fig. 3 - Power Panel Components27
Fig. 4 - Power Panel / Control Components28
- Product Identification Number (Pin)29
- Basic Unit Nomenclature29
Fig. 5 - Refrigerant Flow Diagram34
- Process and Instrumentation Diagram35
Fig. 6 - Process and Instrumentation Diagram35
Section 3 - Handling and Storage37
- Delivery and Storage37
- Inspection37
- Moving the Chiller37
  - Lifting Weights37
  - Rigging Instructions38
Fig. 7 - Unit Rigging/Lifting38
Section 4 - Installation39
- Installation Checklist39
- Handling39
- Inspection39
- Location and Clearances39
- Spring Isolators (Optional)40
- Compressor Mounting40
- Remote Cooler Option40
- Chilled Liquid Piping40
- Pipework Arrangement41
Fig. 8 - Chilled Liquid System41
- Duct Work Connection42
  - General Requirements42
- Wiring42
- Compressor Heaters43
- Relief Valves43
- High Pressure Cutout43
- Single-Point Supply Connection - Terminal Block, Non-Fused Disconnect Switch or Circuit Breaker44
Fig. 9 - Single-Point Supply Connection - Terminal Block, Non-Fused Disconnect Switch or Circuit Breaker44
- User Control Wiring Inputs45
Fig. 10 - Control Wiring Inputs45
- User Control Wiring Outputs46
Fig. 11 - Control Wiring Outputs46
Section 5 - Technical Data47
- Operational Limitations (English)47
- Heat Exchanger Flow, Gpm48
  - Ethylene & Propylene Glycol Correction Factors48
  - Table 3 - Ethylene and Propylene Glycol Correction Factors48
- Physical Data (English)50
- Table 4 - Physical Data (English)50
- Electrical Data52
- Table 5 - Micro Panel Power Supply52
- Table 6 - Voltage Range52
- Electrical Notes53
- Electrical Data W/O Pumps54
  - Wiring Lugs58
- Electrical Data W/ Pumps60
- Electrical Notes and Legend68
- Wiring Diagrams72
  - Elementary Wiring Diagrams72
Fig. 12 - Elementary Wiring Diagram, Sht 172
Fig. 13 - Elementary Wiring Diagram, Sht 274
Fig. 14 - Elementary Wiring Diagram, Sht 376
Fig. 15 - Elementary Wiring Diagram, Sht 478
- Connection Diagrams80
Fig. 16 - Connection Diagram, Sht 180
Fig. 17 - Connection Diagram, Sht 282
Fig. 18 - Connection Diagram, Sht 384
Fig. 19 - Connection Diagram, Sht 686
Fig. 20 - Connection Diagram, Sht 788
Fig. 21 - Dual Pump Wiring90
Fig. 22 - Wiring92
Fig. 23 - Wiring Diagram, Single Point Wiring Options94
Fig. 24 - Layout - Power Blocks and Transformers95
- Dimensions (English)96
- Technical Data - Clearances101
Fig. 25 - Unit Clearances - All Models101
- Weight Distribution and Isolator Mounting Positions102
- ISOLATOR INFORMATION (for Units Shipped on or after June 15, 2008)106
- ISOLATOR INFORMATION (for Units Shipped before June 15, 2008)112
Section 6 - Commissioning119
- Preparation - Power off119
- Preparation - Power on120
- Equipment Pre-Startup and Startup Checklist121
  - Pre-Startup121
  - Startup121
- Setpoints Entry List122
- Table 7 - Setpoints Entry List122
- Checking Superheat and Subcooling123
- Leak Checking123
- Unit Operating Sequence124
Section 7 - Unit Controls125
- Introduction125
- Status Key127
- Display/Print Keys133
- Entry Keys141
  - Up and down Arrow Keys141
  - Enter/Adv Key141
- Setpoints Keys142
- Program Key145
- Program Key Limits and Default147
- Table 11 - Program Key Limits and Default147
- Setpoints Quick Reference List148
- Table 12 - Setpoints Quick Reference List148
- Unit Keys149
  - Options Key149
- Clock153
- Unit Keys Options Programming Quick Reference List154
- Table 13 - Unit Keys Options Programming Quick Reference List154
Section 8 - Unit Operation155
- Capacity Control155
- Suction Pressure Limit Controls155
- Discharge Pressure Limit Controls155
- Leaving Chilled Liquid Control155
Fig. 26 - Leaving Water Temperaturecontrol Example155
- Leaving Chilled Liquid Controloverride to Reduce Cycling156
- Leaving Chilled Liquid System Lead/Lag and Compressor Sequencing156
Fig. 27 - Setpoint Adjust156
- Return Chilled Liquid Control157
- Table 14 - Sample Compressor Staging for Return Water Control157
- Return Chillled Liquid System Lead/Lag and Compressor Sequencing158
- Table 15 - Return Chilled Liquid Control for 4 Compressors (6 Steps)158
- Table 16 - Return Chilled Liquid Control for 4 Compressors (6 Steps)158
- Anti-Recycle Timer159
- Anti-Coincidence Timer159
- Evaporator Pump Control and York Hydro Kit Pump Control159
- Evaporator Heater Control159
- Pumpdown Control159
- Standard Condenser Fan Control159
Fig. 28 - Condenser Fan Locationswiring Diagrams160
- Table 17 - Ylaa Standard Condenser Fan Control Using Discharge161
- Table 18 - Ylaa Standard Condenser Fan Control Using Discharge162
- Alarm Status163
- Compressor Run Status163
- Load Limiting163
- Table 19 - Compressor Operation - Load Limiting163
- Bas/Ems Temperature Reset Usinga Voltage or Current Signal164
Section 9 - Service and Troubleshooting165
- Clearing History Buffers165
- Service Mode165
- Service Mode - Outputs165
- Service Mode - Chiller Configuration166
- Service Mode - Analog and Digital Inputs166
- Control Inputs/Outputs167
- Table 20 - I/O Digital Inputs167
- Table 21 - I/O Digital Outputs167
- Table 22 - I/O Analog Inputs167
- Table 23 - I/O Analog Outputs167
- Microboard Layout168
Fig. 29 - Microboard Layout168
- Checking Inputs and Outputs169
Fig. 30 - I/O Board Relay Contact Architecture172
- Optional Printer Installation173
Fig. 31 - Printer to Microboard Electrical Connections173
- Troubleshooting174
- Table 27 - Troubleshooting174
Section 10 - Maintenance177
- Important177
- Compressors177
  - Oil Level Check177
  - Oil Analysis177
- Condenser Fan Motors177
- Condenser Coils177
- Operating Parameters177
- On-Board Battery Back-Up177
- Evaporator Heater177
- Bacnet, Modbus and Yorktalk 2 Communications178
Fig. 32 - Micro Panel Connections179
- Table 28 - Minimum, Maximum and Default Values179
- Table 29 - Values Required for Bas Communication180
- Table 30 - Real Time Error Numbers180
- Bacnet and Modbus Communications181
- Communications Data Map Notes181
- Table 31 - Bacnet and Modbus Communications Data Map182
- Yorktalk 2 Communications185
- Table 32 - Yorktalk 2 Communications Data Map186
- Temperature Conversion Chart189
- R410A Pressure Temperature Chart190

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