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Refrigerant Pipe - Haier AD88NAHAAA Operation And Instruction Manual

Duct type air conditioner
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INSTALLATION MANUAL FOR ELECTRIC WIRING

11. Refrigerant pipe

[The air side pipe, liquid side pipe must be faithfully heat insulated, if no heat insulation, it may cause
water leakage.]
The outdoor unit has been charged with refrigerant.
When connect the pipe to the unit or dismantling the pipe from the unit, please follow the figure shown,
use spanner and torque spanner together.
When connect cone nut, the inner side and outside of cone nut should paste with refrigerant oil. Use
hand to twist 3-4 rings, then fasten with spanner.
Referring to Table I to confirm the fasten torque. (too tight may damage nut leading to leakage)
Check if the connection pipe leaks, then do heat insulation treatment, as below figure shown.
Only use seal cushion to bind the joint part of air pipe and heat insulation parts.
Paste the refrigerant oil here
Air inlet
Drain hose connection mouth
VP25 PVC pipe
Specification of pipe Tighten torque
(mm)
12.70
Torque spanner
Spanner
Pipe joint
Cone nut
80
Liquid pipe
Gas pipe
Cone dimension
A (mm)
50N.m
Middle size seal cushion (accessory)
(Use seal cushion to
bind the pipe joint)
Clamp
Heat insulation (accessory)
Heat insulation (accessory)
Gas pipe
Liquid pipe
510
Electric box
Upper
Down side
530
45
2
90 0.5
1.2~2.0
30
(for liquid pipe)
(for gas pipe)
Air outlet
Cone
R0.4~0.8
A

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