INSTALLATION MANUAL FOR INDOOR UNIT
Material of connection pipe and thermal insulation
Material of connection pipe | Stiff PVC pipe VP 20mm (inside diameter) |
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Material of thermal insulation | Foam polyethylene pipe, thickness over 10mm |
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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 |
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| Dimension of | Gas side |
| 15.88 |
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| connection pipe | Liquid side |
| 9.52 |
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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) |
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9.52 | 24.5(2.5kgf.m) | 29.4(3.0kgf.m) |
15.88 | 78.4(8.0kgf.m) | 98.0(10.0kgf.m) |
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20