Fujitsu AIRSTAGE J-III L AJ 072LELAH Series Design & Technical Manual page 993

●System figure example
External input wire
Except Indoor unit and
External wire (service
parts) are procured at
field.
●Operation status
Outdoor temp. < Indoor temp. : ON
Signal detected by
external controller
Outdoor temp. > Indoor temp. : OFF
Command from
external controller
Indoor
unit
EEV
Fan
Normal means that Indoor unit is continued appropriate operation until [Forced thermostat off] signal received, at
condition which are set by central and individual controller or detected by thermo sensors of indoor unit.
Relay
Indoor unit
Damper motor
Forced thermostat off
Normal
Open
Close
On
Off
- (08 - 17) -
External controller
Outdoor
thermistor
Indoor
thermistor
Indoor Outdoor
Temperature Temperature
31˚C 28˚C