Hitachi HSU-12RD03/R2(SDB) - Manual (Page 10)

1.Cut pipe
3.Insert the flare nut
4.Flare pipe
It becomes high midway. The end is immersed
in water. It waves. The gap with the ground
is too small
Less than 5cm
There is the bad smell
from a ditch
2.Remove burs
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)
1.Power Source Installation
2.Cutting and Flaring Work of Piping
3.On Drainage
Check for Installation and Test Run
Check Items for Test Run
The power source must be exclusively used for air conditioner. (Over I0A)
In the case of installing an air conditioner in a moist place, please install an
earth leakage breaker.
For installation in other places, use a circuit breaker as far as possible.
Pipe cutting is carried out with a pipe cutter and burs must be removed.
After inserting the flare nut, flaring work is carried out.
Please install the drain hose so as to be downward slope without fail.
Please don't do the drainage as shown below.
Please pour water in the drain pan of the indoor unit, and confirm that drainage is
carried out surely to outdoor.
In case that the attached drain hose is in a room, please apply heat insulation
to it without fail.
Please kindly explain to our customers how to operate through the instruction manual.
Gas leak from pipe connecting?
Heat insulation of pipe connecting?
Are the connecting wirings of
indoor and outdoor firmly inserted
to the terminal block?
Is the connecting wiring of indoor
and outdoor firmly fixed? Is drainage securely carried out?
Is the earth line securely
connected?
Is the indoor unit securely fixed?
Is power source voltage abided
by the code?
Is there any noise?
Put check mark in boxes
Is the lamp normally lighting?
Are cooling and heating (when
in heat pump) performed normally?
Is the operation of room temperature
regulator normal?
Flare tooling die
Correct Incorrect
Lean Damage of flare Crack Partial Too outside
A
8