33
Installation and Maintenance
Service Manual
8.4 Check 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?
effect
Is the thermal insulation of the unit
sufficient?
May cause condensation and water dropping
May cause condensation and water dropping
Does the power supply voltage accord
with the ratedvoltage 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?
Arethe models of lines in conformity
with requirements?
The unit may bread down or the components
may be burned out
Arethere any obstacles near the air
inlet andoutlet 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 noteasy to decide the charge amount
of refrigerant.
Is the drainage smooth?
Risk of electrical leakage
May cause unsatisfactory cooling (heating)
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