Post-installation checks
Has the unit been installed securely?
Is the thermal insulation of the pipes sufficient?
Has the check for gas leaks been executed?
Does the water drain properly?
Does the supply voltage match the voltage indicated on
the data plate?
Have the piping and electrical wiring been installed
correctly?
Has the unit been properly earthed?
Does the power cable meet requirements?
Are there any obstructions at the air inlet or outlet?
Have the dust and other particles produced during
installation been removed?
Are the gas valve and liquid valve of the connecting tube
fully open?
Have the length of the refrigerating tube and the amount
of the refrigerant charge been registered?
Safety operation of flammable refrigerant
Qualification requirement for installation and maintenance
All workers who engage with the refrigeration system should bear the valid certification awarded
by the authoritative organization, and the qualification recognized by the industry for dealing
with the refrigeration system.
The refrigeration system can only be repaired following the methods suggested by the
equipment's manufacturer.
Installation notes
The air conditioner mustn't be used in a room that has running fire or heat sources (such as,
working coal gas ware, operating heater).
Do not drill holes in the circuit or burn the connection pipe.
The air conditioner must be installed in a room that is larger than the minimum room area. The
minimum room area is shown on the following "table a".
Leak test is mandatory after installation.
V 01/20
Checks
Possible fault
The unit could fall, move or produce excessive
noise.
Risk of condensation and dripping water.
Risk of cooling (heating) not satisfactory.
Risk of condensation and dripping water.
Risk of malfunction or damage to components.
Risk of malfunction or damage to components.
Risk of electric leakage.
Risk of malfunction or damage to components.
The cooling (heating) capacity may be insufficient.
Risk of malfunction or damage to components.
The cooling (heating) capacity may be insufficient.
It is not easy to decide the amount of the
refrigerant charge to add.
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