Fujitsu AOU30RLXEH Design & Technical Manual page 38

 Forced thermostat off function
Rotary SW on
Function
Mode External input and
setting /
0-1 60-00 / 2
9 60-09 / B
10 60-10 / C
Input
Compressor
• Example of individual connection
Forced thermostat off is one of the function to save energy. For example, case of using ventilator
at condition with outdoor temperature is lower than indoor temperature, indoor unit of air condi-
tioner stop based upon receiving signal from external controller. (Cooling only)
Cooling operation
(Thermostat on)
Indoor
temperature
output PCB
External input and
output PCB
On
Off
On
Off
Room temp.
Set temp.
Direct digital
controller
Thermistor
Ventilator
Thermistor
82˚F
Outdoor
temperature
(28˚C)
88˚F
Office Fri 10:00AM
Mode Set Temp. Fan
Cool 80°F
Custom Auto
Auto Heat 74°F
Room Temp. (31˚C)
Away Cool 84°F 76°F
Heat 68°F
Vacation Status Menu
- 34 -
External input
CN313
Fan stop
(Thermostat off)
Indoor
temperature
82˚F
(28˚C)
Input
Command
signal
Thermostat
Off → On
off
Normal
On → Off
operation
Outdoor
temperature
75˚F
(24˚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