Compressor Check Sheet

• Store Number

• Client / Site

• Conducted on

  Date

• Engineer

• Job Number

Compressor Location

• HT Pack No/Comp No:

• A/C System:

• LT Pack No/Comp No:

• Water Chiller/Comp No:

• Single Comp:

• Other:

• Refrigerant Type:

• Oil Type:

Compressor Information

Old Compressor (Removed)

• Manufacturer

• Model

• Serial No.

New Compressor (Installed)

• Manufacturer

• Model

• Serial No.

Pre Run-Up Checks

• Have new contactors been fitted?

  Yes

  No

  N/A

• If NO, have existing contactors been checked?

  Yes

  No

  N/A

• Does wiring comply with OEM diagram?

  Yes

  No

  N/A

• Have new drier cores been fitted?

  Yes

  No

  N/A

• Have new gaskets been fitted?

• Suction?

  Yes

  No

  N/A

• Discharge?

  Yes

  No

  N/A

• Has the system been evacuated?

  Yes

  No

  N/A

• Does the oil regulator allow oil into the compressor, to the correct level?

  Yes

  No

  N/A

• Does the oil reservoir need topping up?

  Yes

  No

  N/A

• Does the oil filter need changing?

  Yes

  No

  N/A

• Scroll comp checked and confirm phase rotation?

  Yes

  No

  N/A

• Scroll comp check correct rotalock torque setting (see table below)

  Yes

  No

  N/A

• Rotalock thread should have Loctite 577 smeared on thread

  Yes

  No

  N/A

ROTALOCK THREAD SIZE: 3/4" - 40/50Nm 1" - 70/80Nm 1 1/4" - 120/135Nm 1 3/4" - 135/160Nm 2 1/4" - 165/190Nm Sight Glass - 25/25.5 Nm

• Have the compressor fixings been checked for tightness?

  Yes

  No

  N/A

• Check Running Amps

• R-

  Yes

  No

  N/A

• Y-

  Yes

  No

  N/A

• B-

  Yes

  No

  N/A

• Check Overload Setting (amps)

  Yes

  No

  N/A

Pressure Switch Settings

HP Switch

• Cut-Out

• Cut-In

Lp Switch

• Cut-Out

• Cut-In

Other Checks

• Oil switch operational and tested

  Yes

  No

  N/A

• Is crankcase heater workings?

  Yes

  No

  N/A

• Is oil cooling working?

  Yes

  No

  N/A

• Has leak test been carried out?

  Yes

  No

  N/A

• Is compressor running smoothly?

  Yes

  No

  N/A

• Check rotation of cooling fan

  Yes

  No

  N/A

• Check INT69 for operation

  Yes

  No

  N/A

• Check head/pipe sensor for operation

  Yes

  No

  N/A

Run Compressor for 30 minutes

• Check LP and HP Pressures

  Yes

  No

  N/A

• Check fixing bolts

  Yes

  No

  N/A

• Check oil level

  Yes

  No

  N/A

• Check run amps

  Yes

  No

  N/A

• R-

• Y-

• B-

• Check for Liquid Flood back (and record suction temp)

  Yes

  No

  N/A

• Suction temp (degrees)

• Any additional comments?

• Engineers Signature

  Sign