Check Items After Installation, Test Run

◆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		The unit may break down or the components
rated voltage specified on the nameplate?		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		The unit may break down or the components
requirements?		may be burned out

Are there any obstacles near the air inlet and outlet		The unit may break down or the components
of the indoor and outdoor units?		may be burned out

Have the length of refrigerating pipe and		It is not easy to measure the charge amount of
refrigerant charge amount been changed?		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.

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