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Leakage detection
point of outdoor unit
Leakage detection
point of indoor unit
Fig.29
8.8 Check after Installation and Test
Operation
Check after installation
Check according to the following requirement after finishing
installation.
No.
Items to be checked
Has the unit been
1
installed firmly?
Have you done the
2
refrigerant leakage test?
Is heat insulation of
3
pipeline sufficient?
4
Is water drained well?
Is the voltage of power
supply according to the
5
voltage marked on the
nameplate?
Is electric wiring and
6
pipeline installed
correctly?
Is the unit grounded
7
securely?
Does the power cord
8
follow the specification?
Is there any obstruction
9
in air inlet and air outlet?
The dust and
sundries caused
10
during installation are
removed?
The gas valve and liquid
11
valve of connection pipe
are open completely?
Is the inlet and outlet
12
of piping hole been
covered?
Test operation
1. Preparation of test operation
● Do not switch on power before installation is finished completely.
● Electric wiring must be connected correctly and securely.
● Gas vale and liquid valve should be opened.
2. Test operation method
34
Possible malfunction
The unit may drop, shake or emit
noise.
It may cause insufficient cooling
(heating) capacity.
It may cause condensation and
water dripping.
It may cause condensation and
water dripping.
It may cause malfunction or
damage the parts.
It may cause malfunction or
damage the parts.
It may cause electric leakage.
It may cause malfunction or
damage the parts.
It may cause insufficient cooling
(heating).
It may cause malfunction or
damaging the parts.
It may cause insufficient cooling
(heating) capacity.
It may cause insufficient cooling
(heating) capacity or waster
eletricity.
● Switch on power, press ON/OFF button on the remote controller
to start operation.
● Press MODE button to select COOL, HEAT and FAN to check
whether the operation is normal or not.
8.9 Installation of Anti-tilting Chain
In order to prevent tilting due to an accident, please install the
anti-tilting chain.(As show in Fig.30)
Installation steps:
1. Remove the screw in the anti-tilting hole at the top cover of
indoor unit.
2. Take out the anti-tilting chain from the accessories; put it into
the anti-tilting hole and then fix it with screw.
3. Fix the other end of anti-tilting chain on the wall with
screw(ST4.2X38).
Service Manual
wall
anti-tilting hole
anti-tilting
chain
screw
Fig.30
Installation and Maintenance
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Table of Contents
Troubleshooting
