Controls Start-Up, Operation, Service, and Troubleshooting
Energy Management Module EMM Enable/Off/Remote Contact Switch
with ComfortLink Controls
50/60 Hz
CONTENTS cont
Configuring and Operating Dual Chiller
GENERAL
INTRODUCTION
MAJOR SYSTEM COMPONENTS
Table 2 - Thermistor Designations
Control Module Communication
Carrier Comfort Network CCN Interface
Table 4 - Output Relay
Table 3 - Status Switches
LEGEND FOR FIG
Page
Fig. 2 - 24 V Control Schematic, Unit Sizes
CCN LEN DATA COMMUNICATION PORT
Fig. 3 - 24 V Control Schematic, Unit Sizes 080-110, 230B-315B
CCN LEN DATA COMMUNICATION PORT
CCN LEN DATA COMMUNICATION PORT
Fig. 6 - Enable/Off/Remote Contact Switch, Emergency On/Off Switch
and Reset Button Locations
Fig. 5 - Main Base Board
CEPL130346-01
AWG - American Wire Gage EXV - Electronic Wire Gage
OPERATING DATA
040-110 130-210
And associated modular units
Fig. 8 - Thermistor T3 and T4 Locations
040-070
080-110 AND ASSOCIATED MODULAR UNITS
130-210 AND ASSOCIATED MODULAR UNITS
Fig. 9 - Compressor Thermistor Locations T7 and T8
EXV - Electronic Expansion Valve
Fig. 11 - Typical Space Temperature Sensor Wiring
Fig. 14 - Compressor Ground Fault Module Sizes
Fig. 13 - Compressor Protection Control System Module - Sizes
Fig. 15 - Electronic Expansion Valve EXV
CEPL130351
Fig. 16 - Energy Management Module
CEBD430351-0396-01C
TEST
Table 5A - Part Load Data Percent Displacement, Standard Units
Table 5A - Part Load Data Percent Displacement, Standard Units cont
Table 5A - Part Load Data Percent Displacement, Standard Units cont
Page
Page
Page
A1†A2,A3,B1†,B2
UNIT
Table 6 - Required Hardware for Additional Unloaders
Fig. 17 - Deadband Multiplier
Head Pressure Control
Pumpout
Fig. 18 - Condenser Fan Sequence
Service Test See Table 9 - Both main power and
Fig. 19 - Scrolling Marquee Display
THERMISTOR WIRING LEAVING FLUID
INSTALL DUAL CHILLER LEAVING FLUID THERMISTOR T9 HERE
Fig. 20 - Dual Chiller Thermistor Location
Table 7 - Marquee Display Menu Structure
Table 8 - Run Status Mode and Sub-Mode Directory
SUB-MODE
KEYPAD
RANGE
Table 9 - Service Test Mode and Sub-Mode Directory
Table 10 - Temperature Mode and Sub-Mode Directory
Table 11 - Pressure Mode and Sub-Mode Directory
Table 12 - Set Point Mode and Sub-Mode Directory
CIR.B
Table 13 - Reading and Changing Chilled Fluid Set Point
Table 14 - Inputs Mode and Sub-Mode Directory
Table 16 - Configuration Mode and Sub-Mode Directory
Table 15 - Outputs Mode and Sub-Mode Directory
Table 16 - Configuration Mode and Sub-Mode Directory cont
Table 16 - Configuration Mode and Sub-Mode Directory cont
Table 16 - Configuration Mode and Sub-Mode Directory cont
Table 17 - Example of Temperature Reset Return Fluid Configuration
Master Chiller
Table 18A - Example of Configuring Dual Chiller Control
Table 18B - Example of Configuring Dual Chiller Control Slave Chiller
SCHD
Table 19 - Example of Compressor Lead/Lag Configuration
Table 20 - Time Clock Mode and Sub-Mode Directory
Table 21 - Setting an Occupied Time Schedule
Table 22 - Operating Mode and Sub-Mode Directory
Table 23 - Operating Modes
MODE NO
ITEM EXPANSION
DESCRIPTION
Table 24 - Alarms Mode and Sub-Mode Directory
Table 25 - Example of Reading and Clearing Alarms
Fig. 21 - Standard Chilled Fluid Temperature Control - No Reset
Alarms/alerts clear, YES changes to NO
Table 26 - Configuring Temperature Reset
DISPLAY
Change Accepted
Table 27 - Menu Configuration of 4 to 20 mA Cooling Set Point Control
Fig. 22 - Cooling Set Point 4 to 20 mA
Table 28 - Configuring Demand Limit
TROUBLESHOOTING
Fig. 23 - 4 to 20 mA Demand Limiting
ENTER and until the sub-menu item RCRN “RESET
Table 29 - Alarm and Alert Codes
Table 29 - Alarm and Alert Codes cont
ALARM
T112
T113
Manual once con
Table 29 - Alarm and Alert Codes cont
CCN command for
Table 29 - Alarm and Alert Codes cont
Table 30 - Oil Charge
SERVICE
Electronic Components
Fig. 24 - Cooler Thermistor Locations
Fig. 25 - Typical Tube Sheets, Cover Off Non-Removable Tubes
Table 31 - Plugs
Fig. 26 - Elliott Tube Plug
SIZES
Condenser Coils
Fig. 27 - Cooler Head Bolt Tightening Sequence Typical Tube Sheet
Standard 50 and 60 Hz Units and 60 Hz Low Noise Fan Option Units
Fig. 28A - Condenser Fan Adjustment
Fig. 28B - Condenser Fan Adjustment 50 Hz Low Noise Fan Option Units
Fig. 30 - Electronic Expansion Valve EXV
Fig. 31 - Printed Circuit Board Connector
Refrigerant Feed Components - Each circuit has
Fig. 32 - Thermistors Temperature Sensors
Fig. 33 - Thermistor Connections to J5 and J8 Processor Boards
VOLTAGE DROP B FOR THERMISTORS T3-T6
Table 32A - 5K Thermistor Temperature F vs Resistance/Voltage
VOLTAGE DROP A FOR THERMISTORS T1, T2, T7-T9
VOLTAGE DROP B FOR THERMISTORS T3-T6
Table 32B - 5K Thermistor Temperature C vs Resistance/Voltage cont
VOLTAGE DROP A FOR THERMISTORS T1, T2, T7-T9
Table 33A - 10K Thermistor Temperatures F vs Resistance/Voltage Drop
For Thermistor T10
Table 33B - 10K Thermistor Temperatures C vs Resistance/Voltage Drop
For Thermistor T10
Table 34 - Pressure Switch Settings psig kPa
Fig. 34 - Cooler Heater Cables
Fig. 35 - Compressor Connections Lead Compressor Shown
PRE-START-UP
System Check
Operating Limitations
Table 35 - Temperature Limits for Standard Units
START-UP AND OPERATION
Table 36 - Nominal and Minimum Cooler Fluid Flow Rates
FIELD WIRING
Refrigerant Circuit
Fig. 36 - Accessory Sensor
Control Wiring
Fig. 37 - Control Wiring 24
Fig. 38 - Hot Gas Bypass Control Wiring 115
Fig. 40 - Energy Management Module EMM Wiring
SIGNAL
SIGNAL
SIGNAL
Fig. 41 - Compressor Expansion Board CXB Accessory Wiring
CXB ACCESSORY
CXB ACCESSORY
BOARD
APPENDIX A - CCN TABLES
UNIT Configuration Settings
OPTIONS1 Options Configuration
CONFIGURATION SCREEN TYPE OPTIONS2 Options Configuration
DISPLAY STDU SETUP
SCHEDOVR TIMED OVERRIDE SETUP
ALARMDEF Alarm Definition Table
BRODEFS Broadcast POC Definition Table
RESETCON Temperature Reset and Demand Limit
APPENDIX A - CCN TABLES cont
APPENDIX A - CCN TABLES cont
AUNIT General Unit Parameters
CIRCAAN Circuit A Analog Parameters
CIRCADIO Circuit A Discrete Parameters
CIRCBDIO Circuit B Discrete Parameters
APPENDIX A - CCN TABLES cont
CIRCBAN Circuit B Analog Parameters
APPENDIX A - CCN TABLES cont
OPTIONS Unit Parameters
STRTHOUR
ALARMS
APPENDIX A - CCN TABLES cont
APPENDIX A - CCN TABLES cont
CURRMODS
SETPOINT
LOADFACT
WSM EQUIPMENT PART COOL SOURCE MAINTENANCE TABLE
OCCUPANCY MAINTENANCE TABLE
SUPERVISOR MAINTENANCE TABLE
CSM/FSM EQUIPMENT TABLE Type 621H, Block
ENGLISH AND SI
APPENDIX B - FLUID DROP PRESSURE CURVES
Cooler Fluid Pressure Drop Curves - 30GUN,GUR040-110
ENGLISH SI
APPENDIX B - FLUID DROP PRESSURE CURVES cont
Cooler Fluid Pressure Drop Curves - 30GUN,GUR130-210
Cooler Fluid Pressure Drop Curves - 30GUN,GUR230A-255A, 270A/B-420A/B
ENGLISH SI
1 Module B - 30GUN,GUR270 2 Module A - 30GUN,GUR230-255
3 Module A - 30GUN,GUR270,330 Module B - 30GUN,GUR330,360 50 Hz
ENGLISH AND SI
APPENDIX B - FLUID DROP PRESSURE CURVES cont
Cooler Fluid Pressure Drop Curves - 30GUN,GUR230B-315B
ENGLISH AND SI
APPENDIX B - FLUID DROP PRESSURE CURVES cont
Cooler Fluid Pressure Drop Curves - 30GTN,GTR040-110
ENGLISH SI
APPENDIX B - FLUID DROP PRESSURE CURVES cont
Cooler Fluid Pressure Drop Curves - 30GTN,GTR130-210
3 Module A - 30GTN,GTR270,330 Module B - 30GTN,GTR330,360 50 Hz
ENGLISH SI
1 Module B - 30GTN,GTR270 2 Module A - 30GTN,GTR230-255
APPENDIX B - FLUID DROP PRESSURE CURVES cont
ENGLISH AND SI
SERVICE TRAINING
CALL FOR FREE CATALOG
START-UP CHECKLIST FOR COMFORTLINK CHILLER SYSTEMS
Remove and use for job file A. Preliminary Information
EQUIPMENT Chiller MODEL NO
COMPRESSORS
B. Preliminary Equipment Check Check box if complete
CL-2
SYSTEM FLUID VOLUME IN LOOP TYPE SYSTEM
C. UnitStart-Up cont
CHECK PRESSURE DROP ACROSS COOLER
COOLER LOOP FREEZE PROTECTION IF REQUIRED
UNIT Configuration Settings
OPTIONS1 Options Configuration
C. Unit Start-Up cont
CL-4
OPTIONS2 Options Configuration
RESETCON Temperature Reset and Demand Limit
C. Unit Start-Up cont
CL-5
C. Unit Start-Up cont
SLCT Heating Cooling Setpoint Select
SETPOINT
CL-6
C. Unit Start-Up cont
CL-7
All Units
