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Piping insulation
- Loosen the flare nut of the indoor unit's piping connection port, insert it into the liquid
pipe and the gas pipe, and then conduct flaring work on the ends of each pipe.
- Insulate each of the liquid pipes and gas pipes using insulation material for piping.
Ⓐ Liquid piping
Ⓑ Gas piping
Ⓒ Power cable
Ⓓ Insulation
Ⓔ Communication
Communication
Power
cable
cable
Separate
Insulation material
standard (mm)
(besides normal
conditions for residential
Applies to
Refrigerant
piping
dimensions
(mm)
6.35
9.52
12.7
15.88
19.05
Gas piping
22.22
25.40
28.58
31.75
38.1
44.45
6.35
9.52
Liquid piping
12.7~
44.45
h Normal conditions: Temperature of 30 °C, relative humidity of 85 %
h Unfavorable conditions: Temperature of 30 °C, relative humidity of 90 % (humid places such as
bathrooms, swimming pools, etc.: air supply and exhaust fan installation)
material
cable
Fully insulate the connection
parts.
Insulation material Standard (mm) -
If installed in an air-
conditioned place
(CASE 1)
use)
(ex: bedroom, living
room, etc.)
EPDM
19
19
19
19
19
19
19
19
19
25
25
9
13
INSTALLATION OF INDOOR
- do the insulation work as it is showing
below (piping insulation must be at least
19mm thick)
Piping insulation
Adhere so that there are no gaps.
Indoor unit main body
residential
If installed in a
non-air-conditioned
place (CASE 2)
(ex: hallway,
outdoors, etc.)
EPDM
13
13
13
13
13
13
19
19
19
19
19
9
13
Piping insulation
Have them
Band
overlap.
Insulation
material
standard (mm)
(unfavorable
conditions)
EPDM
EPDM
19
19
19
25
19
25
19
25
19
25
19
32
19
32
19
32
19
32
25
32
25
32
9
13
13
11
9
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