Fujitsu AR 18LUAD Series Service Instruction page 104

This switch can be used when group control system.
Set the indoor unit address in the 0,1-15 order.
SW 2
0
1 - 15
1-1.JM 1, 2, 3 setting forbidden
JM 1, 2, 3
Connect
Disconnect
Connector
CN10
CN11
( Factory setting)
SW state
Single
Indoor unit address
( Factory setting)
JM state
Forbidden
INPUT OUTPUT
- ELECTRICAL HEATER
- FRESH AIR
08-12
REMARKS
See external input/output
settings for details.