Haier HSU09VHJ Service Manual page 71

5.
No gas leakage?
In case of gas leakage, tighten parts of pipe connection. If leakage stops,
then proceed
6.
Detach the charge hose from the service port, open 2-way valve and 3-way. Turn
7 .
To prevent the gas leakage,
8.
After attaching each cap, check for gas leakage around the caps.
Step 1.
2-way valve Liquid Side
3-way valve Gas Side
Gaugemanifold(for R410A)
Anti countercurrent joint
Vacuum pump(for R410A)
Tube(for R410A)
Step 4.
2-way valve
3-way valve
O
Open 90
2-way valve 3-way valve
CAUTION
If the refrigerant of the air conditioner leaks, it is necessary to discharge all the
refrigerant. Vacuum rst, then charge the liquid refrigerant into air conditioner
according to the amount marked on the name plate.
Please do not let other cooling medium, except speci ed one (R410A), or air
enter into the cooling circulation system. Otherwise, there will be abnormal
high pressure in the system casuing damage and possibly personal injuries.
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 ea-
rth leakage breaker (GFCI).
For installation in other places, use a circuit breaker as far as possible.
2
Cutting and Flaring Work of Piping
Pipe cutting is carried out with a pipe cutter and burs must be removed.
After inserting the are nut, aring work is carried out.
Flare tool for R410A
Clutch-type clutch-type(Rigid-type) Wing-nut type (Imperial-type)
0~0.5mm
A
Flare tooling die
3.Insert the are nut
Lean Damage of are Crack
4
HSU09VHJ(DB)-SM
Step 2.
Open
Step 3.
Close
Step 6.
2-way valve
3-way valve
2-way valve
Step 7.
3-way valve
Valve rod cap
Valve rod cap
Service port cap
Conventional are tool
1.0~1.5mm 1.5~2.0mm
1.Cut pipe 2.Remove burs
4.Flare pipe
Partial Too outside
3
On Drainage
Please install the drain hose so as to be downward slope without fail.
Please don't do the drainage as shown below.
It becomes
The end is imm-
It waves.
high midway.
ersed in water.
Please pour water in the drain pan of the indoor unit, and
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.
Contains fluorinated greenhouse gases
covered by the Kyoto Protocol
R410A
2
1
F E
Check for Installation and Test Run
Please kindly explain to our customers how to operate
through the instruction manual.
Check Items for Test Run
Put check mark
Gas leak from connecting pipe
Heat insulation of
Are the connecting wirings of indoor and outdoor rmly
inserted to the terminal block?
Is the connecting wiring of indoor and outdoor rmly xed?
Is drainage securely carried out?
Is the ground wire securely connected?
Is the indoor unit securely xed?
Is power source voltage abided by the code?
Is there any noise?
Is the lamp normally lighting?
Are cooling and heating (when in heat pump) performed normally?
Is the operation of room temperature regulator normal?
Less than
5cm
The gap with the There is the bad
ground is too small. smell from a ditch
con rm that drainage
A
1= kg
B
2= kg
C
1+2= kg
D
in boxes
?