Fujitsu ASU30RLE Service Instruction page 108

 Forced thermostat off function
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
Rotary SW on
output PCB
External input and
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
80°F
Custom Cool (31˚C)
Auto Heat 74°F Auto
Cool 84°F Room Temp.
Away Heat 68°F 76°F
Vacation Status Menu
External input
CN313
output PCB
Fan stop
(Thermostat off)
03-18
Input
Command
signal
Thermostat
Off → On
off
Normal
On → Off
operation
Indoor Outdoor
temperature temperature
82˚F 75˚F
(28˚C) (24˚C)
Office Fri 10:00AM
Mode Set Temp. Fan
Cool 80°F
Custom Auto
Auto Heat 74°F
Away Cool 84°F Room Temp.
Heat 68°F 76°F
Vacation Status Menu