Starting up and shutting down the air conditioner
Start up
After preparation and set-up the air conditioner is ready for operation.
Turn the function switch to the desired mode (see “Description of the control board”, page 15)
and the unit will operate according to the “Functional description”,
Fault
If the unit does not operate it might have been switched off by a safety device:
•
HP pressostat: High ambient temperature stopped condenser fan or reduced airflow
over the condenser
•
LP pressostat: Low return air temperature stopped evaporator fan or reduced airflow
over the evaporator
•
Evaporator or condenser thermo relay: Running current for fan motor too high
•
Compressor thermo relay: running current for compressor too high
•
ETA relay: running current for control current too high
Refer to the “Fault finding guide”, for possible solutions.
WARNING
Do not attempt to repeatedly restart the compressor.
This will cause the compressor to overheat and may damage it.
The internal compressor thermostatic protection may also cut out.
Shutting down
Follow this procedure to shut down the air conditioner from any mode of operation:
1. Turn the function switch to OFF/0
Result: All operations will stop immediately
2. Disconnect the connector from the power source if any servicing has to be performed.
If the air conditioner is not to be re-used for a long period, continue shutting down as
follows:
3. Disconnect the air ducts and stow them in their compression sacks.
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