Fujitsu Airstage J-II Series Design & Technical Manual page 842

●Operation status
Outdoor temp. < Indoor temp. : ON
Signal detected by
external controller
Outdoor temp. > Indoor temp. : OFF
Command from
external controller
EEV
Indoor
unit
Fan
Normal means that 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.
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 re-
ceived, Indoor unit stop operation.
●Example of Electrical circuit
Indoor unit
Specification of external input
Item
Terminal
Output voltage
Wire diameter AWG22 Twist (0.33 mm
Service parts No.
Forced thermostat off
Normal
ON
OFF
ON
OFF
Indoor unit
circuit board
Dry contact
external input wire
Service parts
CNA04
1
2
CNB01
Max. 492 ft.
(150 m)
1
2
3
4
5
6
Spec
CNA04 Min. permissible
DC 12 V
2
)
9368778019
- (08 - 22) -
External
controller
Relay
Requirement for relay switch
Item Spec
1 mA or less
load