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
Carrier Comfort Network CCN Interface
Control Module Communication
Table 2 - Thermistor Designations
LEGEND FOR FIG
Table 3 - Status Switches
Table 4 - Output Relay
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
Pumpout
Head Pressure Control
Fig. 17 - Deadband Multiplier
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
Table 18B - Example of Configuring Dual Chiller Control Slave Chiller
Table 18A - Example of Configuring Dual Chiller Control
Master Chiller
Table 20 - Time Clock Mode and Sub-Mode Directory
Table 19 - Example of Compressor Lead/Lag Configuration
SCHD
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
Fig. 22 - Cooling Set Point 4 to 20 mA
Table 27 - Menu Configuration of 4 to 20 mA Cooling Set Point Control
Change Accepted
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
CCN command for
Table 29 - Alarm and Alert Codes cont
Manual once con
Table 29 - Alarm and Alert Codes cont
Electronic Components
SERVICE
Table 30 - Oil Charge
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
Fig. 28B - Condenser Fan Adjustment 50 Hz Low Noise Fan Option Units
Fig. 28A - Condenser Fan Adjustment
Standard 50 and 60 Hz Units and 60 Hz Low Noise Fan Option Units
Refrigerant Feed Components - Each circuit has
Fig. 31 - Printed Circuit Board Connector
Fig. 30 - Electronic Expansion Valve EXV
Fig. 32 - Thermistors Temperature Sensors
Fig. 33 - Thermistor Connections to J5 and J8 Processor Boards
VOLTAGE DROP A FOR THERMISTORS T1, T2, T7-T9
Table 32A - 5K Thermistor Temperature F vs Resistance/Voltage
VOLTAGE DROP B FOR THERMISTORS T3-T6
VOLTAGE DROP A FOR THERMISTORS T1, T2, T7-T9
Table 32B - 5K Thermistor Temperature C vs Resistance/Voltage cont
VOLTAGE DROP B FOR THERMISTORS T3-T6
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
System Check
PRE-START-UP
Fig. 35 - Compressor Connections Lead Compressor Shown
START-UP AND OPERATION
Table 35 - Temperature Limits for Standard Units
Operating Limitations
Refrigerant Circuit
FIELD WIRING
Table 36 - Nominal and Minimum Cooler Fluid Flow Rates
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
OPTIONS1 Options Configuration
UNIT Configuration Settings
APPENDIX A - CCN TABLES
CONFIGURATION SCREEN TYPE OPTIONS2 Options Configuration
DISPLAY STDU SETUP
SCHEDOVR TIMED OVERRIDE SETUP
ALARMDEF Alarm Definition Table
APPENDIX A - CCN TABLES cont
RESETCON Temperature Reset and Demand Limit
BRODEFS Broadcast POC Definition Table
APPENDIX A - CCN TABLES cont
AUNIT General Unit Parameters
CIRCAAN Circuit A Analog Parameters
CIRCADIO Circuit A Discrete Parameters
CIRCBAN Circuit B Analog Parameters
APPENDIX A - CCN TABLES cont
CIRCBDIO Circuit B Discrete Parameters
APPENDIX A - CCN TABLES cont
OPTIONS Unit Parameters
APPENDIX A - CCN TABLES cont
ALARMS
STRTHOUR
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
Cooler Fluid Pressure Drop Curves - 30GUN,GUR040-110
APPENDIX B - FLUID DROP PRESSURE CURVES
ENGLISH AND SI
Cooler Fluid Pressure Drop Curves - 30GUN,GUR130-210
APPENDIX B - FLUID DROP PRESSURE CURVES cont
ENGLISH SI
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
Cooler Fluid Pressure Drop Curves - 30GUN,GUR230B-315B
APPENDIX B - FLUID DROP PRESSURE CURVES cont
ENGLISH AND SI
Cooler Fluid Pressure Drop Curves - 30GTN,GTR040-110
APPENDIX B - FLUID DROP PRESSURE CURVES cont
ENGLISH AND SI
Cooler Fluid Pressure Drop Curves - 30GTN,GTR130-210
APPENDIX B - FLUID DROP PRESSURE CURVES cont
ENGLISH SI
1 Module B - 30GTN,GTR270 2 Module A - 30GTN,GTR230-255
ENGLISH SI
3 Module A - 30GTN,GTR270,330 Module B - 30GTN,GTR330,360 50 Hz
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
