User Manual

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WARNING
To avoid risk of electrical shock that can cause death or severe personal injury,
disconnect unit from power before servicing unless tests require power.
9-11. Pipe Noise
9. How to Service
Remarks
• Refrigerant is erupting rapidly from the compressor to circulate pipes, so pipe shaking noise can make to some degree.
• In case compressor vibration is sent to a pipe directly, apply vibration absorber rubbers to welding points of the pipe
and comp. or to a much bent point on the pipe.
Start
Separate the touching
pipes, if any.
N
Y
Apply cushion material between
Comp. base and Tray drip.
Y
N
Move or change the points of
vibration absorber rubbers on
the pipes to reduce the shaking.
Y
N
Attach a restrainer on the comp head.
And adjust absorber comp by lifting
the comp
N
Y
Explanation to the users.
Pipes are touching
in the machine compartment ?
Tray drip makes
noise by Condenser shaking ?
Pipe itself is
shaking much ?
Compressor itself
is shaking much ?