V 11/21
100
Remove the piezometer. Fully open the plunger of the liquid valve and gas valve with the inner
hex key.
Tighten the screw caps of the valves and refrigerant charge port.
Reinstall the handle.
Leak detection
Check for leaks using a leak detector. If you do not have a leak detector you can use soapy water.
Post-installation checks
Checks
Possible fault
Has the unit been installed securely?
The unit could fall, move or produce excessive
noise.
Has the leakage test of the refrigerant been done?
Risk of condensation and dripping water.
Is the thermal insulation of the pipes sufficient?
Risk of condensation and dripping water.
Does the water drain properly?
Risk of condensation and dripping water.
Does the supply voltage match the voltage indicated on
the data plate?
Risk of malfunction or damage to components.
Have the piping and electrical wiring been installed
correctly?
Risk of malfunction or damage to components.
Has the unit been properly earthed?
Risk of electric leakage.
Does the power cable meet requirements?
Risk of malfunction or damage to components.
Are there any obstructions at the air inlet or outlet?
The cooling (heating) capacity may be insufficient.
Have the dust and other particles produced during
installation been removed?
Risk of malfunction or damage to components.
Are the gas valve and liquid valve of the connecting tube
fully open?
The cooling (heating) capacity may be insufficient.
The entrance and exit of the pipe holes have been
covered?
Risk of condensation and dripping water.
TESTING AND OPERATION
Functional testing
Connect the power and press the ON/OFF
button on the remote control to start operation.
Press the MODE button to select AUTO, COOL, DRY, FAN and HEAT mode and check the air
conditioner operates normally.
If the ambient temperature is below 16°C
, the air conditioner will be unable to start cooling.
