Johann Revised Air Conditioning Service Check List

• Document No.

• Audit Title

• Client / Site

• Conducted on

  Date

• Prepared by

• Location
  Address

• Personnel

Air conditioning service check sheet

• Store details

• Air-conditioning Equipment serviced

Air conditioning system

• Make of air conditioner and specify type of unit

• Model of air conditioner

• Serial No

Compressors technical information

Compressor information

• Are all the compressor free of any abnormal noise or vibration

  Yes

  No

  N/A

• Compressor amps

• Compressor amps

• Compressor Amps

• Are the crank case heaters working ?

  Yes

  No

  N/A

• Are the oil levels correct

  Yes

  No

  N/A
Record gas pressures

• Was the unit checked for any visible signs of gas leaks

  Yes

  No

  N/A

• High side running pressure Kpa

• Low side running pressure Kpa

• How many kilograms of gas was used

Compressor efficiency test

Compressor No

• Does the low side suction pull & hold the vacuum?

  Safe

  At Risk

  N/A

• Does the head pressure equalize with the suction pressure?

  Safe

  At Risk

  N/A
Are all the super heat temperatures within the design parameters?

• Evaporator pipe temperature

• Suction gas temperature C

Safety switches check list

HP/LP pressure test

• High pressure cut out Set point Kpa

• Low pressure cut out set point Kpa

Oil pressure test

• Direct oil pressure Kpa

• Crankcase oil pressure Kpa

• Record oil pressure switch details

• Are the unloaders working

  Yes

  No

  N/A

• Are all the pressure and safety switch covers fitted back on the switches

  Yes

  No

  N/A

• Has the timer been checked

  Yes

  No

  N/A

• Has the flow switches been checked

  Yes

  No

  N/A

Supply air fan motors

• Are the units free of any abnormal noises and vibrations

  Yes

  No

  N/A

• What was the amperage on the fan motor

• Has the fan belts been checked

  Yes

  No

  N/A

• Are there spare fan belts on site

  Yes

  No

  N/A

• What is the return air temperature C

• What is the off coil temperature C

• What is the ambient temperature C

• Has the evaporator coils been checked

  Yes

  No

  N/A

• Photo required

  Media

• Has the condenser coils been checked and cleaned

  Yes

  No

  N/A

• Photo required

  Media

• Are all the fan motors and water pumps operational

  Yes

  No

  N/A

Electrical technical information

Electrical panels

• Has the electrical panel and pilot lights been checked

  Yes

  No

  N/A

• Are the electrical boards cool

  Safe

  At Risk

  N/A

• Has all the electrical terminals been checked for loose connections

  Safe

  At Risk

  N/A

• Has the electrical overloads been checked for the correct amperage setting

  Yes

  No

  N/A

• Has the electrical panel been blown out

  Yes

  No

  N/A

Air conditioning plant rooms

Plant rooms

• Was the temperature controllers set point check

  Yes

  No

  N/A

• Select from range

• Are the the plant room lights working

  Yes

  No

  N/A

• Has the plant room been cleaned

  Yes

  No

  N/A

• Are all the plant rooms are clean and free of obstructions

  Yes

  No

  N/A

• Photo required

  Media

• Has all the drains in the plant room been checked

  Yes

  No

  N/A

• Are the filters in a good condition

  Yes

  No

  N/A

• Has all the covers been fitted back on the units

  Yes

  No

  N/A

• Photo required

  Media

Cooling tower information

• Cooling Tower

Cooling tower

• Make and type

• Model No

• Serial No

• Was the ball valve operation checked to maintain the correct water level in the sump

  Yes

  No

  N/A

• Was the stainer checked in the sump

  Yes

  No

  N/A

• Are all the motors and pumps working

  Yes

  No

  N/A

• Motor amps

• Is the cooling tower free of scale

  Yes

  No

  N/A

• Is there water treatment for the cooling tower

  Yes

  No

  N/A

• Has the cooling tower chemicals been checked

  Yes

  No

  N/A

• Are all the eliminators in good condition

  Yes

  No

  N/A

Air conditioning check list in the store

• Has all the set points on the temperature controllers been checked

  Yes

  No

  N/A

• Set point C

Server room air conditioner

• Make

• Model

• Serial No

• Photo required

  Media

• General feel of air temperature and humidity in the store is comfortable

  Yes

  No

  N/A

• Store temperature

• Are all the indoor units are in good working order and clean

  Yes

  No

  N/A

• Are all the indoor equipment is mechanically sound

  Yes

  No

  N/A

• Are all the fan motors are working without any visible or audible concerns

  Yes

  No

  N/A

• Are all the return and supply air grills are clean

  Yes

  No

  N/A

• Are all the exposed ducting is cleaned and sealed, with no signs of condensation

  Yes

  No

  N/A

• Are all the drains are in good order

  Yes

  No

  N/A

• Photo required

  Media

• Are all the extractors are in good work condition

  Yes

  No

  N/A

• Are all the general ventilated areas are well vented

  Yes

  No

  N/A

• Are all the extraction grills are clean and clear of obstructions

  Yes

  No

  N/A

• Are all the services are up to date

  Yes

  No

  N/A

Sign Off

• Technician name and signature

  Sign

• Technician assistant and additional help if required

• Comments

• Store managers signature

  Sign