Mitsubishi Electric Mr. SLIM PCA-M71HA2 Service Manual page 21

9-8. FUNCTIONS OF DIP SWITCH AND JUMPER WIRE
Each function is controlled by the DIP switch and the jumper wire on controller board.
SW1 and SW2 are equipped only for service parts.
Model setting and capacity setting are preset in the nonvolatile memory of the controller board of the unit.
Jumper wire
Functions
Model
SW1
settings
Capacity
SW2
settings
Pair number
setting with
J41
wireless
J42
remote
controller
Indoor
controller
JP3
board type
setting
OCH753A
Setting by the DIP switch and jumper wire
Service board
1 2 3 4 5
ON
OFF
Service board
CAPACITY
1 2 3 4 5
71
Control PCB setting
Wireless remote
controller setting
J41
Short
0
Open
1
Short
2
Open
3 ~ 9
Indoor controller board type
For product
Service parts
The black square (
ON
OFF
<Initial setting>
Wireless remote controller: 0
Control PCB: Short (for both J41 and J42)
J42
Four pair number settings are supported.
Short
Set the pair number of the wireless remote
Short
controller and indoor control PCB (J41/J42)
Open
according to the table on the left.
Open
('Open' in the table indicates the jumper line is
disconnected.)
JP3
Open
Short
21
■
) indicates a switch position.
Remarks