Carrier Ecologic 30HXA076-271 Manuals

Manuals and User Guides for Carrier Ecologic 30HXA076-271. We have 1 Carrier Ecologic 30HXA076-271 manual available for free PDF download: Controls, Start-Up, Operation, Service, And Troubleshooting

Carrier Ecologic 30HXA076-271 Controls, Start-Up, Operation, Service, And Troubleshooting

Carrier Ecologic 30HXA076-271 Controls, Start-Up, Operation, Service, And Troubleshooting (100 pages)

ECOLOGIC Air-Cooled and Fluid Cooled Chillers

Brand: Carrier | Category: Chiller | Size: 0 MB

Table of Contents

Table of Contents
1
Safety Considerations
1
General
2
Major System Components
3
Processor Module (PSIO-1)
3
DSIO-HV Relay Module
3
Electronic Expansion Device Module
3
Compressor Protection Module (CPM)
3
PSIO-2 (8052) Module
3
Keypad and Display Module (also Called HSIO-II)
3
Control (LOR) Switch
3
Operation Data
3
Electronic Expansion Device (EXD)
3
Oil Pumps
4
Motor Cooling
4
Back Pressure Valve (30GX and 30HXA Only)
4
Sensors
4
Compressor Protection Module (CPM)
4
- Outputs
  4
- Inputs
  4
Wye-Delta Vs Across-The-Line (XL) Starting Option
5
Capacity Control
6
- Minutes off Time
  6
- Close Control
  7
- Lead/Lag Determination
  7
- Capacity Sequence Determination
  7
- Minimum Load Valve
  7
Head Pressure Control
8
- Adjusting Pid Routines
  10
- Pump Control
  10
- Cooler Pump Control
  10
- Condenser Pump Control
  12
Cooler Heater Control
13
Keypad and Display Module
13
- (Also Called HSIO-II)
  13
- Accessing Functions and Subfunctions
  13
- Automatic Default Display
  13
- Status Function
  16
- Test Function
  25
- History Function
  25
- Set Point Function
  25
- Service Function
  30
- Schedule Function
  37
Temperature Reset
39
Demand Limit
39
- Externally Powered Demand Limit
  42
Troubleshooting
43
Checking Display Codes
43
Unit Shutoff
43
Complete Unit Stoppage
43
Single Circuit Stoppage
43
Restart Procedure
43
- Power Failure External to the Unit
  43
Alarms and Alerts
43
Compressor Alarm/Alert Circuit
43
EXD Troubleshooting Procedure
50
- Inspecting/Opening Electronic Expansion Valves
  51
- Inspecting/Opening Economizers
  51
Service
52
Servicing Coolers and Condensers
52
- Tube Plugging
  52
- Tightening Cooler/Condenser Head Bolts
  52
Inspecting/Cleaning Heat Exchangers
53
Water Treatment
53
Condenser Coils (30GX Only)
53
- Coil Cleaning
  53
Condenser Fans (30GX Only)
54
Refrigerant Charging/Adding Charge
54
Oil Charging/Low Oil Recharging
55
Oil Filter Maintenance
56
- Replacing the External Oil Filter
  56
- Replacing the Internal Oil Filter
  56
Compressor Changeout Sequence
56
- Burnout Clean-Up Procedure
  58
Moisture-Liquid Indicator
58
Filter Drier
58
Liquid Line Service Valve
58
Thermistors
58
- Thermistor Replacement
  58
Pressure Transducers
59
- Pressure Transducer Calibration
  59
Safety Devices
62
- Compressor Protection
  62
- Cooler Protection
  62
Relief Devices
62
Control Modules
64
Carrier Comfort Network (CCN) Interface
64
- Processor Module (Psio-1)
  66
- High Voltage Relay Module (Dsio-Hv)
  66
Replacing Defective Processor Module
66
Winter Shutdown Preparation
66
Pre-Start-Up Procedure
67
Start-Up and Operation
67
Field Wiring
68
- (Compressor Must Trip Amps)
  74
  - Appendix A
    74
  - APPENDIX B (Capacity Loading Sequence)
    77
APPENDIX C (Available Accessories)
80
APPENDIX D (CPM Conﬁgurations)
81
APPENDIX D (CPM Configurations)
86
APPENDIX E (Cooler and Condenser Pressure Drop)
86
APPENDIX F (Typical System Components)
89
Index
91

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