Nibe CLIMACOOL UCR 30, Installation, Operation & Maintenance Manual

Page: 52 / 84

50
www.climacoolcorp.com
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
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 51).
Note: Electronic version of the startup forms are available on www .climacoolcorp .com in the Service page .
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 .
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