Compressor Analysis Report

• Site conducted

  Select

• Conducted on

  Date

• Prepared by

• Location
  Address

System information

• System type

• Refrigerant type

  Select R404a R134a R22 R600 R438a R290

  • R404a
  • R134a
  • R22
  • R600
  • R438a
  • R290

• Oil Type

  Select Mineral Polyester/ Synthetic

  • Mineral
  • Polyester/ Synthetic

Faulty Compressor Details

• Compressor Make

  Select Bitzer Bock Copland Other

  • Bitzer
  • Bock
  • Copland
  • Other

• Compressor Model #

• Compressor Serial #

• Compressor Application

New Compressor Details

• Make

  Select Bitzer Bock Copland Other

  • Bitzer
  • Bock
  • Copland
  • Other

• Model #

• Serial #

Pre Run Up checks

• Has an Oil sample been taken for testing?

  Yes

  No

  N/A

• Have new contactors been fitted?

  Yes

  No

  N/A

• Has the new compressor been wired up correctly?

  Yes

  No

  N/A

• Has the oil strainer been cleaned?

  Yes

  No

  N/A

• Has the Oil filter been changed?

  Yes

  No

  N/A

• Have new drier cores been fitted?

  Yes

  No

  N/A

• Have Burnout drier cores been fitted?

  Yes

  No

  N/A

• Have New suction and Discharge gaskets been fitted?

  Yes

  No

  N/A

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

  Yes

  No

  N/A

• Has the system been Pressure tested?

  Yes

  No

  N/A

• Record test pressures

• Has the system been evacuated?

  Yes

  No

  N/A

• Record Vacuum in Mircons

• Does the oil reservoir need topping up?

  Yes

  No

  N/A

• Scroll Compressor checked and confirm phase rotation.

  Yes

  No

  N/A

• Check and tighten compressor mounting bolts?

  Yes

  No

  N/A

• check overload settings?<br>

  Yes

  No

  N/A

• Check and record Run Current P1, P2, P3

• Set and record pressure switch Settings,

Other Checks

• Check and confirm the oil saftey switch operation.

  Yes

  No

  N/A

• Is the crankcase heater operational?

  Yes

  No

  N/A

• Is the oil cooler working?

  Yes

  No

  N/A

• Is the new compressor running smoothly?

  Yes

  No

  N/A

• Check and confirm the correct rotation of the head cooling fan.

  Yes

  No

  N/A

• Check and confirm the operation of the INT69 / Thermistor

  Yes

  No

  N/A

• Check suction and discharge pipe sensors for tightness and operation

  Yes

  No

  N/A

• Check discharge pipe clips

  Yes

  No

  N/A

Run Compressor for 30 minutes

• Check Oil level.

  Yes

  No

  N/A

• Check run amps.

  Yes

  No

  N/A

• Check LP and HP Pressures.

  Yes

  No

  N/A

• Check compressor mounting bolts

  Yes

  No

  N/A

Failed Compressor Diagnostics Electrics

• Good stator winding

  Yes

  No

  N/A

• Winding Single-Phased

  Yes

  No

  N/A

• Winding single-Phased delta - Connected

  Yes

  No

  N/A

• Winding shorted Phase to Phase

  Yes

  No

  N/A

• Winding shorted turn to turn

  Yes

  No

  N/A

• Winding with shorted coil

  Yes

  No

  N/A

• Winding with grounded at edge or slot

  Yes

  No

  N/A

• Winding grounded in the slot.

  Yes

  No

  N/A

• Shorted Connection

  Yes

  No

  N/A

• Phase damage due to Overload

  Yes

  No

  N/A

• Phase damage due to unbalanced Voltage

  Yes

  No

  N/A

• Damage caused by Locked Rotor

  Yes

  No

  N/A

• Winding damaged by Voltage surge.

  Yes

  No

  N/A

• Supply Photos

  Media

Failed Compressor Diagnostics Mechanical

• Is there liquid Flood Back? E.g Damage due to lack of lubrication

  Yes

  No

  N/A

• Is there signs of liquid Compression,e.g Broken valve reeds

  Yes

  No

  N/A

• Is the system contaminated?

  Yes

  No

  N/A

• Is there moisture in the system, copper plating

  Yes

  No

  N/A

• Is there evidence of High temperature Carbonization.

  Yes

  No

  N/A

• Is there Particulate matter in the installation?

  Yes

  No

  N/A

• Supply a brief description fo findings.

• Supply supporting evidence

  Media

Recommendations

• Supply recommendations