Fujitsu ASU30RLE Service Instruction page 109

• System figure example
External input wire
Indoor unit
Except indoor unit
and external wire,
all other items are
locally purchased.
• Operation status
Signal detected by
external controller
Command from
external controller
Indoor
unit
Normal means that indoor unit continues to operate until "Forced thermostat Off" signal received,
at condition which are set by central and individual controller or detected by thermo sensors of
indoor unit.
Indoor unit continues to operate until "Forced thermostat Off" signal received, at condition which
are set by central and individual controller or detected by thermo sensors of indoor unit. Once
"Forced thermostat Off" signal received, indoor unit stop operation.
Outdoor temp. < Indoor temp. : On
Outdoor temp. > Indoor temp. : Off
Forced thermostat off
Normal
03-19
Relay
Indoor
temperature
Ventilator
88˚F
(31˚C)
Office
Mode Set Temp.
Custom Cool 80°F
Auto Heat 74°F
Cool 84°F Room Temp.
Away 76°F
Heat 68°F
Vacation
On
Off
External controller
Outdoor
thermistor
Indoor
thermistor
Outdoor
temperature
82˚F
(28˚C)
Fri 10:00AM
Fan
Auto
Status Menu