Carrier 30GTN420 manuals
30GTN420
Table of contents
- Table Of Contents
- MAJOR SYSTEM COMPONENTS
- Control Module Communication
- Status switches
- Typical control box
- Sensors
- Thermostatic Expansion Valves (TXV)
- Electronic Expansion Valve (EXV)
- Head Pressure Control
- Marquee Display Usage
- Temperature Reset
- Cooling Set Point (4 to 20 mA)
- Demand Limit
- TROUBLESHOOTING
- Alarms and Alerts
- Alarm and Alert Codes
- Electronic Components
- REPLACING COOLER
- Condenser Coils
- Condenser Fans
- Refrigerant Feed Components
- Thermistors
- Safety Devices
- Relief Devices
- START-UP AND OPERATION
- Operation Sequence
- control wiring
- APPENDIX A — CCN TABLES
- CURVES
- GTN,GTR040
- all units
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