30
Test operation
System will may not cool or heat properly.
It may cause condensation and water
dripping.
I
s water draining well?
It may cause condensation and water
dripping.
Is the voltage of power /- 10% of
the voltage marked on the nameplate?
It may cause system to operate improperly.
Is electric wiring and pipeline installed
correctly?
May cause system to operate improperly
Is the unit grounded securely?
Electrical leakage could occur.
System may not operate correctly.
Air inlet and Air outlets clear of restrictions?
All installation materials have been
cleaned and removed?
It may cause malfunction or damaging the
parts.
The gas valve and liquid valve of
connection pipe are open completely?
1. Preparation of test operation
● Customer approves of installation.
● Specify the important notes for air conditioner to the client.
2. Method of test operation
● Turn on power, press ON/OFF button on the remote controller to start
operation.
● Press MODE button to select AUTO, COOL, DRY, FAN and HEAT to check
whether the operation is normal or not.
● If the ambient temperature is lower than 61°F
, the air conditioner can’t
start cooling.
Check after installation
● Check according to the following requirement after finishing installation
Items to be checked
Possible malfunction
The unit may drop, shake or emit noise.
Ensure unit has been installed correctly.
Has the system been leak tested?
Has drain been properly insulated?
Are power connections properly sized?
System may not operate correctly.
System will may not cool or heat properly.
