Fujitsu Airstage J-IVS AJ 040LCLDH Series Design & Technical Manual page 935

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[System diagram example]

Except indoor unit and

External wire (service

parts) are procured at

[Operation status]

Signal detected by

external controller

Command from

external controller

Normal means that the indoor unit continues appropriate operation until Forced thermostat off sig-

nal is received, at condition which are set by central and individual controller or detected by ther-

mo sensors of the indoor unit.

3-1. External input

External input wire

Outdoor temp. < Indoor temp.: On

Outdoor temp. > Indoor temp.: Off

Forced thermostat off

Damper motor

External controller

3. Indoor unit

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