Fujitsu AIRSTAGE J-IIIL Design & Technical Manual page 777

¢ Input function of fresh air conditioner for external control
module
External module is the module that reduces or stops the cooling operation ratio of the air conditioner
by intake fresh air. (Example: Direct digital controller)
NOTE: During operations other than cooling such as heating or dry, fresh air conditioner on input is
disabled.
• Edge input only
Function
setting
CNA03 or CNA04
60-01
60-07 (VRF cooling off)
– When using fresh air conditioner input and cooling thermostat on output, external control module
controls the cooling operation by the VRF.
– When fresh air conditioner on is input during cooling thermostat on, fresh air conditioner is per-
formed with stopping the cooling operation by the air conditioner.
 Example (Individual connection)
Output: Cooling thermostat on
Input: VRF cooling control
2 Output: On (Cooling thermostat on)
Input: Off
(VRF cooling on)
3-2. External input
Connector
External input External output
(EXT. IN2)
(Cooling thermostat on)
Direct Digital
Controller
Thermistor
Ventilator
Thermistor
Indoor Outdoor
temperature
temperature
85˚F
88˚F
(28.5˚C)
(30˚C)
Office
Fri 10:00AM
Mode Set Temp. Fan
Cool 80°F
Custom
Auto Heat 74°F Auto
Cool 84°F Room Temp.
Away Heat 68°F 76°F
Vacation Status Menu
84˚F
Set temperature
(28˚C)
Input signal
CNB01
Off → On
(Pins 1-2)
On → Off
1 Output: Off (Cooling thermostat off)
Input: On
(VRF cooling off)
3 Output: On (Cooling thermostat on)
Input: On
(VRF cooling off)
- (08-23) -
Command
EEV off
(VRF cooling off)
Normal
Outdoor
Indoor
temperature
temperature
83˚F
89˚F
(27.5˚C)
(31˚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
84˚F
Set temperature
(28˚C)
Outdoor
Indoor
temperature temperature
85˚F
82˚F
(28.5˚C)
(27˚C)
Office
Fri 10:00AM
Mode Set Temp. Fan
Cool 80°F
Custom
Auto Heat 74°F Auto
Cool 84°F Room Temp.
Away Heat 68°F 76°F
Vacation Status Menu
84˚F
Set temperature
(28˚C)
3. Indoor unit