Subcooling & superheat flow chart – ClimaCool UCW_H 30, 50, 70, 85 User Manual

Page 28

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26

Run

Compressor

for 5 Minutes

Is Superheat

in Range?

Yes

No

Is Subcooling

in Range?

Yes

No

Is Superheat

Low or High?

High

Low

Turn TXV

Adjustment

Stem Clockwise

Is Subcooling

Low or High?

High

Low

Add Refrigerant

Is Subcooling

Low or High?

High

Low

Recheck Superheat

and Complete

Start-up and

Warranty Form

Add Refrigerant

Remove

Refrigerant

Turn TXV

Adjustment Stem

Counter Clockwise

Water Testing

Extract three water samples from each water loop, Hot Water/Condenser, Chilled Water/Evaporator using the bottles

provided (three (3) bags; each bag containing three (3) bottles) from the Water Sample test kit. Confirm that the

sample bottles are filled to the top leaving no air in the bottles. All the sample bottles must have labels completed per

instructions included with the bottles. Ship the bottles immediately to the appropriate water testing laboratory per

the instructions.

Startup Documentation

All startup paperwork and documentation must be submitted to ClimaCool . Future warranty claims cannot be processed

without a completed Startup and Warranty Registration form on file (See page 27-29).

Note: Electronic version of the Startup forms available on www .climacoolcorp .com in the Library section .

Caution: Do not charge to achieve subcooling temperature when the expansion valve is overfeeding. If the expansion

valve is overfeeding, readings may still indicate low subcooling and low superheat, but circuit may not be undercharged.

Subcooling & Superheat

Flow Chart

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