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Chillers (Air & Water-Cooled)

Systems that remove heat from liquids via vapor-compression or absorption refrigeration cycles, providing efficient cooling for large commercial and industrial facilities.

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Common Issues

Chiller not starting

Symptoms:

No response to start command, control panel errors, safety circuit issues

Solution:

Check power supply, verify safety circuit continuity, inspect control panel for faults, test start sequence, review error logs.

Low refrigerant pressure

Symptoms:

Insufficient cooling, low suction pressure, high discharge temperature

Solution:

Check refrigerant charge, inspect for leaks, verify expansion valve operation, test pressure sensors, ensure proper water flow.

Evaporator freeze alarm

Symptoms:

Low leaving water temperature, ice formation, reduced capacity

Solution:

Check water flow rates, verify temperature sensors, inspect flow switches, ensure proper glycol concentration if applicable.

Cost Information

Chiller service

Average Cost:

$1,500-$4,000

Factors Affecting Cost:

Chiller size, service scope, parts replacement needs, travel distance

Chiller compressor replacement

Average Cost:

$15,000-$45,000

Factors Affecting Cost:

Compressor type, size, refrigerant type, accessibility, crane requirements

Chiller PM checklist

Average Cost:

$800-$2,500

Factors Affecting Cost:

Service frequency, testing scope, parts replacement, documentation needs