Haier HFU-09H03/R1 Operating Manual page 33

Installation Manual of Room Air Conditioner
Others HFU-09H03/R2(DB) HFU-12H03/R2(DB)
1. Power supply
Air conditioner must use an exclusive line(over 20A)
The type of power supply wire is HF05VV-3G2.5mm
When installation air conditioner in a wet place, try to use a circuit breaker against current
leakage.
For installation in other places, use circuit breaker as for as possible.
2. Piping cutting and flaring
Be sure to carry out deburring after cutting with a pipe cutter.
Insert flaring tool to make a flare
A
1.Cut pipe
3.Insert the flare nut
4.Flare pipe
Installation inspection and test run:
Please operate unit according to this Manual
Items to be checked during test run. Please made a "
Are there any gas leakage?
How is insulation at piping connection carried out?
Are electric wires of indoor and outdoor unit firmly inserted into terminal block?
Is electric wiring of indoor and outdoor securely fixed?
Is drainage securely carried out?
Is earth line(grounding) securely connected?
Is power supply voltage abided by the code?
Is there any noise?
Is control display normal?
Is cooling operation normal?
Is room temp. regulator normal?
Flare tooling die
2.Remove burs
Correct
2
.
Flare tool for R410A
clutch-type(Rigid-type) Wing-nut type (Imperial-type)
Clutch-type
0~0.5mm 1.0~1.5mm
Lean Damage of flare Crack
" in " "
30
Conventional flare tool
1.5~2.0mm
Incorrect
Partial Too outside