♦ Test Run and Checks after Installation
Check Items After Installation
Check Items Problems Owing to Improper
Installation
Is the installation reliable? The unit may drop, vibrate or make
noises
Has the gas leakage been checked? May cause unsatisfactory cooling
(heating) effect
Is the thermal insulation of the unit
sufficient?
May cause condensation and water
dropping
Is the drainage smooth? May cause condensation and water
dropping
Does the power supply voltage
accord with the rated voltage
specified on the nameplate?
The unit may bread down or the
components may be burned out
Are the lines and pipelines correctly
installed?
The unit may bread down or the
components may be burned out
Has the unit been safely grounded? Risk of electrical leakage
Are the models of lines in conformity
with requirements?
The unit may bread down or the
components may be burned out
Are there any obstacles near the air
inlet and outlet of the indoor and
outdoor units?
The unit may bread down or the
components may be burned out
Have the length of refrigerating pipe
and refrigerant charge amount been
recorded?
It is not easy to decide the charge
amount of refrigerant.
Test Run
1. Preparation of Test Run
(1) Do not switch on the power before all installation work is completed.
(2) Confirm that the control line is correctly installed and all electrical lines are firmly
connected.
(3) Open the shutoff valves of the big and small pipes.
(4) Remove all foreign articles, especially metal scraps, line ends and forceps, from
the unit.
2. Method of Test Run
(1) Connect to the power supply, press the“ON/OFF”key on the remote controller,
and the air-conditioning unit starts to operate.
(2) Press the Mode key, select the operating modes such as cooling and fan, and
observe if the operation is normal.
-21-
To Next Page
Loading...
Need help?
General
