CHECK AFTER INSTALLATION
INSTALLER
Check Items
Is the installation reliable?
Has the gas leakage been checked?
Is the thermal insulation of the unit
sufficient?
Is the drainage smooth?
Does the power supply voltage accord
with the rated voltage specified on the
nameplate?
Are the lines and pipelines correctly
installed?
Are the models of lines in conformity
with requirements?
Are there any obstacles near the air
inlet and outlet of the indoor and out-
door units?
Have the length of refrigerating pipe
and refrigerant charge amount been
recorded?
Has the unit been safely grounded?
Problems Owing to Improper Installation
The unit may drop, vibrate or make noises
May cause unsatisfactory cooling (heating)
effect
May cause condensation and water dropping
May cause condensation and water dropping
The unit may bread down or the components
may be burned out
The unit may bread down or the components
may be burned out
The unit may bread down or the components
may be burned out
The unit may bread down or the components
may be burned out
It is not easy to decide the charge amount
of refrigerant.
Risk of electrical leakage
18
