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Haier Zun Tower Manual

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Loosen the screws on terminal block and
insert the plugs fully into
terminal block, then tighten the screws.
Insert the cable according to
terminal number in the same manner as the indoor
unit.
If wiring is not correct, proper operation can not be carried out and controller
may be damaged.
Fix the cable with
a
clamp.
Connection
If the drain-elbow is used ,
please
attach as gure
.
Detach the service port’s cap
of
1.
3-way valve, the valve rod’s cap for 2-way valve
and 3-way’s, connect the service port into the projection
of
charge hose (Iow)
for gaugemanifold. Then connect the projection
of
charge hose (center) for gau-
gemanifold into vacuum pump.
Open the handle
at
Iow in
2.
gaugemanifold, operate vacuum pump. If the scale-
moves
of
gause (Iow) reach vacuum condition in
a
moment, check 1. again.
Vacuumize for over 15min.And check the level gauge which should read -0.1MPa
3.
(76 cm Hg)
at
Iow pressure side. After the completion
of
vacuumizing, close the
handle ‘Lo’ in gaugemanifold and stop the operation
of
the vacuum pump. Check
condition of the scale and hold it for 1-2min. If the scale-moves back in spite
of
tightening, make aring
work again, the return to the beginning
of
3
.
Attaching
Drain-Elbow
Purging Method:To use vacuum pump
Open the valve rod for the 2-way valve to an angle
of
4.
anticlockwise 90 degrees.
After
6
seconds, close the 2-way valve and make the inspection
of
gas leakage.
No gas leakage?
5.
Detach the charge hose
6.
from the service port, open 2-way valve and 3-way. Turn
the valve rod anticlockwiseuntil hitting lightly.
In case
of
gas leakage, tighten parts
of
pipe connection. If
leakage stops, then proceed 6. steps
If it does not stop gas leakage, discharge whole refrigerants from the service
port. After aring
work again and vacuumize, ll up prescribed
refrigerant from the gas cylinder.
To prevent the gas leakage, turn the service port’s cap, the valve rod’s cap for 2-way
valve and 3-way’s
a
little more than the point where the torque increases suddenly.
After
attaching the each caps, check the gas leakage around the caps.
7.
8.
Open
ti countercurrent joint
Gaugemanifold(for R32 )
way valve Liquid Side
3
way valve Gas Side
Vacuum pump(for R32)
Tube(for R32) Close
2-
Step 1. Step 2.
Step 3.
the heat pump
-
An
Valve rod cap
Valve rod cap
Service port cap
Step 7 .
Step 6.
Step 4.
Open 90
O
2-way valve
3-way valve
2-way valve
3-way valve
Step
5.
2-way valve
3-way valve
2-way
3-way valve
valve
Fixed the unit
First, the metal mounting bracket is fixed on the wall, the expansion bolts of the
12mm. Then put the outdoor machine flat and fixed on the stand.
Installation of drainage elbow
If you use a drainage elbow, refer to the following image to install. Where the
.
Hint
1 Single cooler does not require this installation
2Drain elbow and drain pipe contact for sale after purchase
3Handle drainage problems when installing the outdoor unit
Inject
refrigerant
according
to
the
right
Length
of
the
pipe
Refrigerant
addition
10
/
15
200
20
300
When the
pipe
is
lengthened, the
after-sales
installer
should
be
equipped
with
a
professional
evacuation
pump
to
evacuate
the
air
inside the
pipe..
The
R32
refrigerant injected
into the
new factory
air
conditioner
is the
net gas
injection
amount.
It is forbidden to
use the
internal
row
method for
emptying.
To
bend
a
pipe, give the
roundness
as
large
as
possible
not to
crush
the
pipe,
and the
bending
radius
should
be
30 to
40mm
or
longer.
Connecting the
pipe
of gas
side first makes
working
easier.
The
connection
pipe
is
specialized for
R32.
24
h
s
i
l
g
n
E
… 25


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