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(( START))
[Check the
!existing pipe size
Non - standard size
t---__.
( Standard size )
r
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Reuse
5
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t
allowed
See if the already installed air conditioner can operate >------------------1 Operation not possible
and perform a pump-down operation.
pump-down operation not possible.
( Both operation and pump-down are possible
After 30 minutes of cooling operation,
Check the existingf---------1
Longer than 30m.
f-----proceed with pump-down operation without
pipe length.
interruption.
l:.:..:.:.::.:..:.:�:.:..:.:...---------�
30 m. or less
Refrigerant recovery
�fter 30minutes of cooling operation, proceed with
lpump-down operation without interruption.
1
----1 (see back page) 1----�
Remove the existing
air conditioner
r-
Remove the existing!
air conditioner
J
1
!Rework the flare. (For R32 : See table on next page.) Use the supplied flare nut.
I
Existing piping work for new air conditioner.I
PRECAUTIONS ON REFRIGERANT PIPING
(Note)
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• Clean pipe if existing air conditioner is heat pump type contains leftover oil.
• Clean pipe if used compressor oil in existing air conditioner is other than
[SUN ISO, MS, HAB, Barrel freeze, JOMO, Ethereal oil, Ester oil]. Clean pipe
1. Clean the pipe if refrigerant leakage and unit has not service port on
gas-liquid stop valve.
• if existing indoor and outdoor unit is disconnected.
• Change new pipe if refrigerant leakage or it should adding refrigerant.
• Change new heat insulation if existing part is peeling off.
2. If indoor unit equipped with EV valve, open that valve before
recovery refrigerant.
3. Maximum pipe length as per specified on next page.
49
Summary of Contents for FCA125AV16
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