Installation Manual
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36-EN
Central control system
Air conditioners at multiple locations can be controlled individually for each refrigeration system from a
control room.Central control is not available with the supplied wireless remote controller. Use the optional
wired remote controller.
T Wiring for central control
The terminal block for central control wiring ( and ) is the same as that for optional wired remote
controller. Connect the central control wire to the terminals ( and ) on the terminal block in the same
way as the optional wired remote controller. For details, refer to the installation manual of the applicable
central control system.
U3 U4
U3 U4
Wired
remote
controller
wire
Terminal block
for control/wired
remote controller
wiring
Control wire
Earth screw for
shield wire
Cord clamp
■ To find an indoor unit’s position from its address
1 Push and hold menu button and [ ] setting button simultaneously for 10 seconds or more.
E.g.) A unit number 1-1 is indicated on the LCD of the remote controller. The indicated number shows
the line (system) address and indoor unit address of the unit.
2
When 2 or more indoor units are connected to the remote controller (group-controlled units), a number
of other connected units appears each time you push the [ ] [ ] buttons.
3 Push the ON/OFF button, return to the normal mode.
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