Fujitsu AIRSTAGE J-IIIL Design & Technical Manual page 778

[Operation status]
Signal detected by
external controller
[VRF cooling OFF]
(EXT.IN2)
[Example of electrical circuit]
Indoor unit
Specification of external input
Requirement for relay switch
3-2. External input
Outdoor temp. < Indoor temp.: On
Outdoor temp. > Indoor temp.: Off
Cooling thermostat on
Indoor unit
Set temp.
Indoor temp.
Set temp.
Indoor unit
PCB
Dry contact
external input wire
CNA04
CNB01
Terminal
Output voltage
Wire diameter
Service part no.
Minimum permissible load
- (08-24) -
1
On
(EXT.OUT)
Off
On
EEV
Off
On
Fan (Fn49-01)
Off
+0.9°F (+0.5°C)
-0.9°F (-0.5°C)
Service parts
Relay
1
2
Max. 492 ft (150 m)
1
2
3
4
5
6
Item
Item
2 3 1 3 2
External
controller
Specification
CNA04
DC 12 V
2
22 AWG (0.33 mm ), Twisted
9368778019
Specification
1 mA or less
3. Indoor unit