Fujitsu AOU30RLXEH Design & Technical Manual page 39

• System figure example
External input wire
Indoor unit
Except indoor unit
and external wire,
all other items are
locally purchased.
• Operation status
Outdoor temp. < Indoor temp. : On
Signal detected by
external controller
Outdoor temp. > Indoor temp. : Off
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.
Relay
Ventilator
Forced thermostat off
Normal
On
Off
- 35 -
External controller
Outdoor
thermistor
Indoor
thermistor
Indoor Outdoor
temperature temperature
88˚F 82˚F
(31˚C) (28˚C)
Office
Fri 10:00AM
Mode Set Temp. Fan
Custom Cool 80°F
Auto
Auto Heat 74°F
Cool 84°F Room Temp.
Away
Heat 68°F 76°F
Vacation Status Menu