Fujitsu Airstage AGUA12TLAV1, Design & Technical Manual

Page: 842 / 978

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