INSTALLATION MANUAL FOR INDOOR UNIT

Material of connection pipe and thermal insulation

Material of connection pipe

Stiff PVC pipe VP 20mm (inside diameter)

Material of thermal insulation

Foam polyethylene pipe, thickness over 10mm

 

 

Confirm drainage

Perform test run to insure the condition of drainage, the connection part of the connection should not leak water. The confirmation must be performed even if install in winter.

!Warning

During installation, if refrigerant leakage occurs, please immediately take ventilation measure. If the refrigerant gas meet the fire, it may generate poisonous gas.

After finishing installation work, please make sure there is no refrigerant leakage. If the leaked refrigerant gas meet heater and oven, etc. fire sources, it may generate poisonous.

Material and dimension of connection pipe

Depenbing on the outdoor unit.For details,please refer to the operation manual attached with outdoor unit.

The permitted length and fall of connection pipe

Material of

Phosphorus oxidized copper seamless pipe

connection pipe

(TP2) for air conditioner

Dimension of

Gas side

12.7

connection pipe

Liquid side

6.35

Connection of refrigerant pipe

Perform with two spanners

 

When performing the connection work of flare nut, connect all the refrigerant pipe.

When connecting the connection pipe of indoor unit, must use two spanners to perform.

For the installation torque, please refer the following Table.

External diameter of

Installation torque (N.m)

Add to installation torque (N.m)

connection pipe (mm)

 

 

6.35

11.8(1.2kgf.m)

13.7(1.4kgf.m)

12.7

49.0(5.0kgf.m)

53.9(5.5kgf.m)

20

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Haier AD092AMBHA, AU092AABHA, AU122AABHA, AD122AMBHA Confirm drainage, Permitted length and fall of connection pipe
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