Carrier 30GT080-420 Manuals

Manuals and User Guides for Carrier 30GT080-420. We have 1 Carrier 30GT080-420 manual available for free PDF download: Installation, Start-Up And Service Instructions Manual

Carrier 30GT080-420 Installation, Start-Up And Service Instructions Manual

Carrier 30GT080-420 Installation, Start-Up And Service Instructions Manual (69 pages)

50/60 Hz Reciprocating Liquid Chillers

Brand: Carrier | Category: Chiller | Size: 0.94 MB

Table of Contents

Safety Considerations

1
- Table of Contents
  1
Introduction

2
Installation

2
- Unit Sizes and Modular Combinations
  2
Step 1 - Rig and Place the Unit

2
Step 2 - Join Modules a and B (230-420 Units Only)

27
Step 3 - Check Compressor Mounting

27
Step 4 - Cooler Fluid and Drain Piping Connections

27
Step 5 - Make Electrical Connections

28
- Field Power Wiring; Unit Sizes 130-210
  29
- Field Control Power Connections
  30
Step 6 - Install Accessories

43
- Low-Ambient Operation
  43
- Hot Gas Bypass
  43
- Miscellaneous Accessories
  43
Pre-Start-Up

43
System Check

43
- Installation
  43
Quick Test

44
Start-Up and Operation

50
- DIP Switch Functions
  50
- Potentiometer Locations
  50
Digital Display Action

50
Actual Start-Up

50
- Temperatures
  50
- Voltage
  51
  - Minimum Fluid Loop Volume
    51
  - Flow Rate Requirements
    51
Operating Limitations

50
Operation Sequence

51
- Load Shed
  52
- Temperature Reset
  52
- Head Pressure Control
  52
- Units with Electronic Expansion Valve (Exv)
  52
- 30Gt080-110 Units with Optional Thermostatic Expansion Valve (Txv)
  52
- Remote On-Off
  52
- Remote Alarm
  52
Service

57
Diagnostics and Troubleshooting

57
- 30Gt080-110 and 230B-315B Unit Control Box
  57
Refrigerant Circuit

57
Electronic Components

57
Compressors

57
- Cooler Removal
  58
- Cooler Thermistor Locations
  58
- Replacing Cooler
  59
- Servicing Cooler
  59
  - Tube Plugging
    59
  - Typical Tube Sheets, Cover off
    59
  - Condenser Coils
    60
  - Elliott Tube Plug
    60
  - Plugs
    60
  - Condenser Fan Adjustment
    61
  - Cooler Head Bolt Tightening Sequence
    61
  - Electronic Expansion Valve (EXV)
    62
  - Processor Board Connections
    62
  - Filter Drier
    65
  - Liquid Line Service Valve
    65
  - Liquid Line Solenoid Valve
    65
  - Moisture-Liquid Indicator
    65
  - Thermistor/Temperature Sensor Check
    66
  - Thermistors T3 and T4
    66
  - To Replace Thermistor T2
    66
  - To Replace Thermistors T1, T5, T6, T7, and T8
    66
  - Compressor Protection
    67
  - Cooler Heater Cables
    67
  - Cooler Protection
    67
  - Pressure Switch Settings
    67
  - High-Side Protection
    68
  - Loss-Of-Charge
    68
  - Low-Side Protection
    68
  - Relief Devices
    68

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