Check After Installation; Test Running - C&H N Series Owner's Manual

N Series Floor Ceiling Type Unit

3.4 Check after Installation

Check Items 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 and pipes installed
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 unit?
Have you recorded the length of
refrigerant pipe and the refrigerant
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.
Possible events due to improper
installation.
The unit may fall down, vibrate or
produce noise.
Cooling capacity may become
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 may become
unsatisfactory.
The refrigerant charging amount can't
be controlled.
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