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3.4 Check after Installation
Check items
Is the main body installed securely?
Did you do water leakage test?
Is the unit well insulated from heat?
Does water drainage go well?
Is the voltage consistent with that stated
on the nameplate?
Are
the
wires
correctly?
Has the unit been safely grounded?
Do the specifications of wires comply with
the requirement?
Is there any obstacle blocking the air inlet
and outlet of the indoor or outdoor units?
Have
you
recorded
refrigerant
pipe
charging amount?
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.
Operation after connecting the power.
(1) If all the above works are finished, power on the unit.
(2) If the outside temperature is more than 30℃, heating mode can't be enabled.
(3) Make sure the indoor and outdoor units can run normally.
(4) If there's sound of liquid shock when the compressor is running, then stop the
air conditioner immediately. Wait until the electric heating belt is heated enough,
and then restart the air conditioner.
(5) Feel the air flow of the indoor unit to see if it is normal.
DC Inverter U-match Series Floor Ceiling Type Unit
Check Items after Installation
and
pipes
installed
the
length
and
the
refrigerant
Possible events due to improper
installation
The unit may fall down, vibrate or
produce noise.
Cooling
capacity
unsatisfactory.
Condensate, water drops may occur.
Condensate, water drops may occur.
The unit may fail or its components
may get burned.
The unit may fail or its components
may get burned.
Risk of electric leakage.
The unit may fail or its components
may get burned.
Cooling
capacity
unsatisfactory.
of
The refrigerant charging amount can't
be controlled.
45
may
become
may
become
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