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Performing Leak Test & Heat Insulation
Leak test
In order to detect gas leak from the indoor unit, use nitrogen to check the
connection areas of the refrigerant pipes .
• Please refer to the leak test in the installation manual for the
outdoor unit .
NOTE
Insulation
1 . Insulate the refrigerant pipe .
f Make sure to insulate the refrigerant pipe, connector and connection
f
area .
- If the pipes are insulated, condensation will not come out from the
piping and the capacity of Fresh duct will be increased .
f Check for cracks in the insulation cover pipe out at the bended area .
f
AM140
AM220/280
❋ The design and shape are subject to
change according to the model .
Gas side pipe
Indoor unit
ENGLISH-17
Leak test
Leak test
Pipe clamp
Insulation
material
Liquid side pipe
Insulation material
Insulation material should be
overlapped .
Fix without loosing
Insulation pipe
sleeve
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