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Carrier 30GH 050 User Manual

Carrier 30GH 050
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Installation, operation and maintenance instructions
30GH 040-245
30GZ 040-245
Air-cooled liquid chillers
50 Hz
Carrier is participating in
the Eurovent Certification
Programme. Products are
as listed in the Eurovent
Directory of Certified
Products.
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Carrier 30GH 050 Specifications

General IconGeneral
Model30GH 050
Power Supply460V/3Ph/60Hz
Operating Temperature Range20°F to 115°F
Cooling Capacity50 tons
TypeAir-cooled

Summary

Start-Up Checklist

Application Data

Installation Safety Considerations

Preliminary Checks and Handling

Start-Up Procedures

Preliminary Checks

Pre-start checks before initial unit operation.

Actual Start-Up

Steps for safely starting and testing the chiller unit.

Servicing Refrigeration Components

Compressors

Checking the Oil Charge

Procedure to verify and adjust compressor oil levels.

Recommended Oil

Approved oil types for R-22 and R-407C compressors.

Tightening Torques

Specified torque values for compressor fittings.

Compressor Motor Protection

Description of circuit breaker and protection devices.

Discharge Gas Thermostat DGT

Function and settings of the discharge gas thermostat.

Crankcase Heater

Purpose and operation of the crankcase heater.

Compressor Protection Circuit Board (STARTERGUARD)

Monitoring and fault indication by the STARTERGUARD card.

Heat Exchangers

Evaporator Maintenance

Condenser Coil

Refrigerant Circuit Components

Troubleshooting Chart

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