Fujitsu AGYG12KVCB Design & Technical Manual page 25

• System figure example
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 controlleror detected by thermo sensors of in-
door 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.
8-4. Details of function
External input wire
Outdoor temp. < Indoor temp. : On
Outdoor temp. > Indoor temp. : Off
Forced thermostat off
Relay
Indoor
temperature
Ventilator
31˚C
Office
Mode
Custom
Auto
Away
Normal
On
Off
- 21 -
External controller
Outdoor
thermistor
Indoor
thermistor
Outdoor
temperature
28˚C
Fri 10:00AM
Set Temp.
Fan
80°F
Cool
Auto
Heat 74°F
Cool 84°F Room Temp.
76°F
Heat 68°F
Vacation Status Menu
8. External input and output