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1.Installation of Outdoor Unit
Drawing for the installation of indoor and outdoor units
Install according to
2.Connection of pipes
To bend a pipe, give the roundness as large as possible not to crush the pipe ,and the bending radius
should be 30 to 40 mm or longer.
Connecting the pipe of gas side first makes working easier.
The connection pipe is specialized for R410A.
Half union
Spanner
Be careful that matters, such as wastes of sands, etc. shall not enter the pipe.
The standard pipe length is 5m. If it is over 7m, the function of the unit will be affected. If the pipe has
to be lengthened, the refrigerant should be charged, according to 20 g/m. But the charge of refrigerant
must be conducted by professional air conditioner engineer. Before adding additional refrigerant,
perform air purging from the refrigerant pipes and indoor unit using a vacuum pump,then charge
additional refrigerant.
Indoor unit
B
A
Outdoor unit
CAUTION
Max.Elevation: A
=10m
max
1
A
=15m
max
2
In case the elevation A is more than 5m,
oil trap shoud be installed every 5~7m
3.Connection
Use the same method on indoor unit. 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.
4.Attaching Drain-Elbow
If the drain-elbow is used, please attach it as
figure.
Note: Only for heat pump unit.
All manuals and user guides at all-guides.com
Outdoor unit
Flare nut
Torque wrench
Outdoor unit
B
A
(07k 09k 12k)
(18k 22k)
If wiring is not correct, proper operation can
not be carried out and controller may be
damaged.
Fix the cable with a clamp.
5
Forced fastening without careful
centering may damage the
threads and cause a leakage of
gas.
Fastening torque
Pipe Diameter
Liquid side 6.35mm(1/4")
18N.m
Gas side 9.52mm(3/8")
42N.m
55N.m
Gas side 12.7mm(1/2")
Outdoor unit
Indoor unit
In case A is more than 5m
Max. Length:
B
=15m
max
1
B
=25m
max
2
In case the pipe length B is more than 7m,
the refrigerant should be charged, according to 20 g/m.
Drain elbow
Oil trap
B
Indoor unit
A
(07k 09k 12k)
(18k 22k)
Drain hose
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