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. Fan-IPDU P.C. Board (MCC-1659) Replacement Procedure
This board is commonly installed in different models before shipment. Set the DIP switch (SW800) setting of the
service board to the switch setting before replacement.
Replacement steps:
(1) Turn off the power supply of the outdoor unit and allow at least 3 minutes for the capacitor to discharge.
(2) Remove all the connectors and the Faston and screw terminals(
①
) connected to the FAN IPDU.
(Remove the connectors and Faston terminals by pulling the connector body. Do not pull the wire).
(3) Remove all the two screws(
②
) which secures the FAN IPDU to the Heat sink.
(These screws are to be re-used after procedure.)
(4) Remove the Fan IPDU from the four PCB Mounts (
③
).
(5) Confirm that no dirt or damage is on the sub heat sink. As it can reduce the heat transfer efficiency, and cause a
breakdown.
PCB Mounts
③
②
②
Screw
①
Faston terminal
WHITE lead wire
③
Remove the PCB
IC302
Push this part to
the direction of the
arrow. And remove
the PCB.
Ex.
MMY-SAP1206HT8P-E
FAN-IPDU
(43T6V627)
③
①
Faston terminal
RED lead wire
①
Faston terminal
BLACK lead wire
③
①
Screw terminal
BLUE lead wire
SW800
Sub Heat Sink
Heat Sink
①
Faston terminal
YELLOW lead wire
FAN IPDU
(MCC-1659)
L1
L2
L3
N
CN530
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