Instruction of the GMV D.C. Inverter
16
6.2.3 Record table for refrigerant charge
Indoor units:
SN Indoor model number Extra Refr. amount (kg)
1
2
……
N
Total amount
Liquid pipe:
Liquid pipe
diameter
Total length (m) Extra Refr. amount (kg)
Φ15.9
Φ12.7
Φ9.52
Φ6.35
Total amount
6.3 Inspection Items after Installation
Inspection items Problems Owing to Improper Installation Check
Is the installation reliable? The unit may drop, vibrate or make noises
Has the gas leakage been checked?
May cause unsatisfactory cooling (heating)
effect
Is the thermal insulation of the unit sufcient? May cause condensation and water dropping
Is the drainage smooth? May cause condensation and water dropping
Does the power supply voltage accord with the
rated voltage specied 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? Risk of electrical leakage
Are the models of lines in conformity with
requirements?
The unit may bread down or the components
may be burned out
Are there any obstacles near the air inlet and
outlet of the indoor and outdoor units?
May cause unsatisfactory cooling (heating)
effect
Have the length of refrigerating pipe and
refrigerant charge amount been recorded?
It is not easy to decide the charge amount of
refrigerant.
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