73
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 absorber
on the comp. head.
N
Y
Explanation to the users.
9-4-4. Pipe Noise
Pipes are touching
in the machine compartment ?
Tray drip makes
noise by Condenser shaking ?
Pipe itself is
shaking much ?
Compressor itself
is shaking much ?
Summary of Contents for FRU-5711-FRS-U20DA Series
Page 4: ...3 2 EXTERNAL VIEWS 2 1 External Size FRS N U20IA...
Page 5: ...4 FRS N U20DA FRS N U20EA...
Page 6: ...5 FRS N U20FA FRS N U20GA...
Page 41: ...40 6 1 Wiring Diagram 6 DIAGRAM FRS N U20IA...
Page 42: ...41 FRS N U20DA EA FA GA...
Page 43: ...42 6 2 Circuit Diagram of Main PCB FRS N U20IA...
Page 44: ...43...
Page 45: ...44 FRS N U20DA EA FA GA...
Page 46: ...45...
Page 88: ...87 11 5 Dispenser Water Flow...