MULTI TYPE

13-2-4.Comp-IPDU P.C. Board (MCC-1596) 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 minute for the capacitor to discharge.
(2) Remove all the connectors and the fast-on terminals (1) connected to the Compressor IPDU. (Remove the
connectors and fast-on terminals by pulling the connector body. Do not pull the wire).
(3) Remove all the four screws(2) which secures the Compressor IPDU to the Heat sink.
(These screws are to be re-used after procedure.)
(4) Remove the Compressor IPDU from the four spacers (3) by pinching the top of the spacers by round-nose
pliers.
e.g. MMY-MAP1004HT8
Compressor IPDU
1 BLACK lead wire
1 WHITE lead wire
3
3
1 RED lead wire
2 Screw
1
1
Pinch this part by
round-nose pliers for
removing the PCB.
1 RED lead wire
Compressor IPDU
(MCC-1596)
SW800
3
2 Screw
1 WHITE lead wire
1 BLACK lead wire
Spacer 3
(4 are in packed in this
service assembly)
(5) Confirm that no dirt or damage is on the insulation sheet (flesh color) on the heat sink. As it can reduce the heat
transfer efficiency, and can cause a breakdown. If the insulation sheet comes off the heat sink, re-apply the
insulation sheet as shown in the following figure.
Remove the
PCB
Insulation sheet (flesh color)
Spread it on the heat sink
∗ Reuse the insulation sheet.
Using a little heat transfer paste
on the heat sink will make easier
to install, because the insulation
sheet will stick to the heat sink.
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