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◆Install Outdoor Unit
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 refrigerant gas leakage been checked?
May cause unsatisfactory cooling (heating)
effect
Is the thermal insulation of the unit sufficient? May cause condensation and water dripping
Is the drainage smooth? May cause condensation and water dripping
Does the power supply voltage accord with the
rated voltage specified on the nameplate?
The unit may break down or the components
may be burned out
Are the lines and pipelines correctly installed?
The unit may break down or the components
may be burned out
Has the unit been safely grounded? Risk of electrical shock or electrocution.
Are the models of lines in conformity with
requirements?
The unit may break 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 break down or the components
may be burned out
Have the length of refrigerating pipe and
refrigerant charge amount been changed?
It is not easy to measure 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 lineset.
(4) Remove all foreign articles, especially metal scraps, line ends and forceps, from the unit.
2. Method of Test Run (
page 17)
(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.