45
5.
Selecting the insulation for the refrigerant pipes.
t
Insulate the gas side and liquid side pipe referring to the thickness according to the pipe size.
t
The thickness according to the pipe size is a standard of the indoor temperature of 27°C and humidity of 80%.
If installing in an unfavorable conditions, use thicker one.
t
Insulator’s heat-resistance temperature should be more than 120°C.
Pipe size (mm)
Minimum thickness of
insulator (mm)
Remarks
PE foam
EPDM foam
Ø6.35~Ø15.88
13
10
If you install the pipe underground, at the seaside, a spa or on
the lake, use 1 grade thicker one according to the pipe size.
-
25
19
Refrigerant pipe before EEV kit and MCU or without EEV kit and MCU
t
You can contact the gas side and liquid side pipes but the pipes should
not be pressed.
t
When contacting the gas side and gas side pipe, use 1 grade thicker
insulator.
Gas pipe
Liquid pipe
Insulation
Insulation
ENGLISH
