Green = in use, white = not in use.
Then go to the main screen, and click on the Start button to permit the heat pump to
start.
4.8 Commissioning the system
Carry out commissioning tasks according to this check list. Pay special attention to the
leakage test.
● Measure compressor current.
● Control superheating temperature.
● Check and trim expansion valve functionality.
● Define overcurrent protection device settings.
● Perform thermal protection device functional test.
● Inspect running restrictions, evaporator and condenser side temperature settings,
and delays in restart.
● Inspect suction and discharge pressure switch, bars.
● Perform compressor load control functional test.
● Test electrical cabin fan and filter, also for possible variable frequency drives.
● Check refrigerant and oil quantity.
● Perform moisture check.
● Check compressor and piping installation.
● Inspect cable shoe and terminal block connections also with a thermal camera.
● Perform leakage test and repair possible leakages. Perform the leakage test
according to the
Heat pump leakage check
list of the
Commissioning report
.
Verifying certificates, documents, and approvals
● Make sure that the pre-commissioning certificate is completely filled and signed by
the person responsible for the installation.
● All required control documents regarding the installation are in order, including leak
and pressure test of water piping, and electrical supply certificate.
● Electrical feed approved by the customer to be taken into operation.
CHS01 1951EN
29 (63)
