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12
CHECK AFTER INSTALLATION INSTALLER
Check Items
Is the installation secure?
Has the gas leakage been checked?
Is the thermal insulation of the unit
sufficient?
Is the drainage sufficient?
Does the power supply voltage match
the rated voltage specified on the
nameplate?
Are the refrigerant lines and wiring
correctly installed?
Do the line sizes comply with
requirements?
Are there any obstacles near the air
inlet and outlet of the indoor and out-
door units?
Is the refrigerant charge correct for
the length of refrigerant lines installed
Has the unit been safely grounded?
Problems Due to Improper Installation
The unit may drop, vibrate or make noises
May cause unsatisfactory cooling (heating)
problems
May cause condensation and water formation
May cause condensation and water formation
The unit may break down or the components
may burn out
The unit may break down or the components
may burn out
The unit may break down or the components
may burn out
The unit may break down or the components
may burn out or not perform to specifications
Check to see if more refrigerant needs to
be added.
Risk of electrical shock
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