Custom Cord Switching Procedure - Mitsubishi SCM40ZJ-S Service Manual

• Model SRK20, 25, 35ZJX-S, 50, 60ZJX-S1, 71ZK-S
SRF25, 35ZJX-S, 50ZJX-S1
SRR25, 35, 50, 60ZJ-S
Jumper wire (J170)
(4)

Custom cord switching procedure

If two wireless remote controller are installed in one room, in order to prevent wrong operation due to mixed signals, please
modify the printed circuit board in the indoor unit's controlbox and the remote controller using the following procedure.
Be sure to modify both boards. If only one board is modified, receiving (and operation) cannot be done.
(a) Modifying the indoor printed circuit board
Take out the printed circuit board from the control box and cut off jumper wire (J or JA) using wire cutters.
After cutting of the jumper wire, take measures to prevent contact with the other the lead wires, etc.
• Model SRK20, 25, 35ZJX-S, 50, 60ZJX-S1, 71ZK-S
SRF25, 35ZJX-S, 50ZJX-S1
SRR25, 35, 50, 60ZJ-S
Jumper wire (J171)
(b) Modifying the wireless remote controller
1)
Remove the battery.
2)
Cut the jumper wire shown in the figure at right.
• Model SRK25, 35ZJR-S, 20, 25, 35, 50ZJ-S
Jumper wire (JA1)
• Model SRK25, 35ZJR-S, 20, 25, 35, 50ZJ-S
Jumper wire (JA2)
0
- -
'11 • SCM-SM-110
Cut