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Insulation
Once you have checked that there are no leaks in the system, you can
insulate the piping and hose.
To avoid condensation problems, place heat-resistant polyethylene
1
foam separately around each refrigerant pipe.
Always make the seam of pipes face upwards.
N N
o o
t t
e e
N N
o o
t t
e e
Wind insulating tape around the pipes.
2
Finish wrapping insulating tape around the rest of the pipes leading to the
3
outdoor unit.
Pump Down Procedure (When removing the product)
1) Turn on the air conditioner and select Cool mode to run the compressor for 3 minutes.
2) Release the valve caps on High and Low pressure side.
3) Use L wrench to close the valve on the high pressure side.
4) Approximately 2 minutes after, close the valve on the low pressure side.
5) Stop operation of the air conditioner.
6) Disconnect the pipes.
No gap
Heat resistant polyethylene
foam
Insulation
Insulation
cover pipe
pipe
Body
Be sure to overlap
the insulation
C C
A A
U U
T T
I I
O O
N N
C C
A A
U U
T T
I I
O O
N N
Must fit tightly against
body without any gap.
25
E-
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