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Carrier 30GH 040 User Manual

Carrier 30GH 040
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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 040 Specifications

General IconGeneral
Model Number30GH 040
CategoryChiller
Cooling Capacity40 tons
Power Supply460V/3Ph/60Hz
Dimensions (LxWxH)96" x 48" x 72"

Summary

Dimensions and Clearances

Floor Mounting Considerations

Physical Data

Electrical Data Notes

Notes on electrical data, power supply, and system connections.

Application Data

Minimum Cooler Water Flow Rates

Specifies minimum flow rates for cooler water circuits.

Maximum Chilled Water Flow Rate

Details the limit on chilled water flow based on pressure drop.

Water Loop Volume

Formula and explanation for calculating required water loop volume.

Installation

Safety Considerations

Hazards and precautions for installation, start-up, and servicing.

Preliminary Checks

Check Equipment Received

Verifying unit and accessories for damage and completeness.

Moving and Siting the Unit

Guidelines for safely moving and positioning the unit.

Check Compressor Mountings

Procedures for checking and adjusting compressor anti-vibration mountings.

Water Connections

Operating Precautions

Important steps for designing and operating the water circuit.

Water-Loop Connections

Guidance on making water-side heat exchanger connections.

Typical Hydraulic Circuit Diagram

Illustration of a standard water circuit configuration.

Power Supply and Electrical Checks

Voltage Phase Imbalance

Definition and implications of voltage phase imbalance.

Electrical Checks

Steps for verifying electrical connections and safety devices.

Start-up Procedures

Steps for preliminary checks and actual start-up of the unit.

Servicing Refrigeration Components

General Maintenance

Routine cleaning, checks, and lubrication for the unit.

Liquid Refrigerant Charging

Procedures for checking and adding refrigerant charge.

Recharging Liquid Refrigerant

Specific methods for recharging with HFC-407C and leak detection.

Compressors

Checking the Oil Charge

How to check and adjust compressor oil levels.

Recommended Oil

Lists approved oils for R-22 and R-407C compressors.

Compressor Motor Protection

Details on circuit breakers, thermostats, and protection boards.

Compressor Protection Circuit Board (STARTERGUARD)

Explanation of the STARTERGUARD card functions and status LEDs.

Evaporator Maintenance

Multitube Evaporators

Procedure for removing and handling multitube evaporators.

Plugging Evaporator Tubes

Method for temporarily plugging leaking evaporator tubes.

Replacing Cooler Tubes

Guidance on retubing cooler components, including material specs.

Preparation of Gaskets

Steps for preparing and installing gaskets for cooler reassembly.

Condenser Coil Maintenance

Condenser Coil Cleaning

Recommended procedures and products for cleaning condenser coils.

Fan Motor Replacement

Steps for safely replacing the fan motor assembly.

Fan Motor Protection

Information on the fan protection circuit breaker.

Refrigerant Circuit Components

Overview of Thermal Expansion Valve (TXV), Filter-drier, and service valve.

Troubleshooting Chart

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