30
Installation Manual of Room Air Conditioner
Others
1. Power supply
2. Piping cutting and flaring
Insert flaring tool to make a flare
Be sure to carry out deburring after cutting with a pipe cutter.
Air conditioner must use an exclusive line(over 20A) .
The type of power supply wire is HF05VV-3G2.5mm2.
For installation in other places, use circuit breaker as for as possible.
leakage.
When installation air conditioner in a wet place, try to use a circuit breaker against current
Installation inspection and test run:
Please operate unit according to this Manual
Are there any gas leakage?
Is room temp. regulator normal?
Is cooling operation normal?
Is control display normal?
Is there any noise?
Is drainage securely carried out?
Is earth line(grounding) securely connected?
Is power supply voltage abided by the code?
Is electric wiring of indoor and outdoor securely fixed?
How is insulation at piping connection carried out?
Are electric wires of indoor and outdoor unit firmly inserted into terminal block?
Items to be checked during test run. Please made a " " in " "
0~0.5mm 1.0~1.5mm 1.5~2.0mm
Flare tool for R410A
Clutch-type
Conventional flare tool
clutch-type(Rigid-type)
Wing-nut type (Imperial-type)
Correct Incorrect
Lean Damage of flare Crack Partial Too outside
Liquid side
Gas side
Gas side
Pipe diameter Size A (mm)
6.35mm(1/4")
9.52mm(3/8")
12.7mm(1/2")
0.8~1.5
1.0~1.8
1.2~2.0
For cooling medium R410A
For cooling medium R407C
Flare tooling die
A
1.Cut pipe 2.Remove burs
4.Flare pipe
3.Insert the flare nut