Installation procedure Install indoor unit
!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 gas.
Permitted length and fall of connecting pipe
Depending on the outdoor units, for details, please refer to the attahed manual of outdoor unit.
Material and dimension of connecting pipe
Material of connecting pipe | Phospor deoxy copper seamless pipe used in air conditioner (TP2) | |
Dimension of connecting pipe | Gas side | 12.7 |
( mm ) | Liquid side | 6.35 |
Connection of refrigerant pipe
Two spanners operation
Perform connection of flared pipe to connect all the refrigerant pipes.
The connection of indoor unit connecting pipe must be performed by two spanners.
For installation torque, please refer to the following table.
External diameter of conneting pipe(mm)
6.35
12.7
Installation torque (N.m) | Tightening torque (N.m) |
11.8(1.2kgf.m) | 13.7(1.4kgf.m) |
49.05(5.0kgf.m) | 53.9(5.5kgf.m) |
|
|
22
