Carrier Ecologic Series 3 - Appendix F

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APPENDIX F (cont)

LEGEND

EXV —

Electronic Expansion Valve

HPS —

High Pressure Switch

Typical System Components, 30HX, Without Economizer

Main Page

Table of Contents2
Major System Components3
Oil Pumps4
Gx0805
Outputs6
Starting Option7
Capacity Sequence Determination8
Minimum Load Valve9
Head Pressure Control10
Cooler and Condenser (30HXC)14
Pump Control14
- Cooler Pump Control14
- Condenser Pump Control15
Cooler Heater Control15
Oil Heater Control15
Keypad and Display Module15
- (Also Called HSIO-II)15
- Accessing Functions and Subfunctions15
- Automatic Default Display15
- Status Function19
- Test Function27
- History Function27
- Set Point Function27
- Service Function32
- Schedule Function39
Temperature Reset41
- External Temperature Reset41
- Externally Powered Reset41
- Return Fluid Temperature Reset41
Demand Limit41
- DEMAND LIMIT (Switch Controlled, 30GX Only)44
- Externally Powered Demand Limit44
- DEMAND LIMIT (CCN Loadshed Controlled)44
Troubleshooting45
Checking Display Codes45
Unit Shutoff45
Complete Unit Stoppage45
Single Circuit Stoppage45
Restart Procedure45
- Power Failure External to the Unit45
Alarms and Alerts45
Compressor Alarm/Alert Circuit46
EXD Troubleshooting Procedure52
- Inspecting/Opening Electronic Expansion Valves53
- Inspecting/Opening Economizers53
Service54
Servicing Coolers and Condensers54
- Tube Plugging54
- Tightening Cooler/Condenser Head Bolts54
Condenser Coils (30GX Only)55
- Coil Cleaning55
Inspecting/Cleaning Heat Exchangers55
Water Treatment55
Condenser Fans (30GX Only)56
Refrigerant Charging/Adding Charge56
Oil Charging/Low Oil Recharging57
Oil Filter Maintenance58
- Replacing the External Oil Filter58
- Replacing the Internal Oil Filter58
Compressor Changeout Sequence58
- Burnout Clean-Up Procedure60
Moisture-Liquid Indicator60
Filter Drier60
Liquid Line Service Valve60
Thermistors61
- Thermistor Replacement61
Pressure Transducers61
- Pressure Transducer Calibration61
Safety Devices64
- Cooler Protection64
Relief Devices64
Red Led65
- Green Led65
- Control Module Battery Replacement66
Control Modules65
Carrier Comfort Network (CCN) Interface66
- Processor Module (Psio-1)68
- High Voltage Relay Module (Dsio-Hv)68
Replacing Defective Processor Module68
Winter Shutdown Preparation68
Pre-Start-Up Procedure69
System Check69
Start-Up and Operation69
Actual Start-Up69
Operating Sequence69
Field Wiring70
- (Compressor Must Trip Amps)76
Appendix A76
- Appendix A77
- Appendix A78
- Appendix A79
- Appendix A80
- (Capacity Loading Sequence)81
APPENDIX C (Available Accessories)86
- APPENDIX D (Building Interface)88
APPENDIX E (Cooler and Condenser Pressure Drop)93
- (Typical System Components)97
Appendix F97
Appendix F98
Index99

Carrier Ecologic Series 3 - Appendix F

Table of Contents

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