DC Inverter U-match Series Duct Type Unit
51
3.4 Check after Installation
Check Items after Installation
Check items
Possible events due to improper
insta
l
lation
Is the main body installed securely?
The unit may fall down, vibrate or produce
noise.
Did you do water leakage test?
Cooling capacity may become
unsatisfactory.
Is the unit well insulated from heat?
Condensate, water drops may occur.
Does water drainage go well?
Condensate, water drops may occur.
Is the voltage consistent with that
stated on the nameplate?
The unit may fail or its components may
get burned.
Are the wires and pipes installed
correctly?
The unit may fail or its components may
get burned.
Has the unit been safely grounded?
Risk of electric leakage.
Do the specifications of wires comply
with the requirement?
The unit may fail or its components may
get burned.
Is there any obstacle blocking the air
inlet and outlet of the indoor or
outdoor units?
Cooling capacity may become
unsatisfactory.
Have you recorded the length of
refrigerant pipe and the refrigerant
charging amount?
The refrigerant charging amount can’t be
controlled.
3.5 Test Running
Preparation before connecting the power:
(1) Power must not be connected if the installation work is not
completed.
(2) Control circuit is correct and all the wires are firmly connected.
(3) Cut-off valves of the gas pipe and liquid pipe are open.
(4) The inside of the unit should be clean. Take irrelevant objects
out if there is any.
(5) After checking, re-install the front side plate.
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