Airflow Alarm Kit
PSU
2
L
PSU
2
N
PSU
1
L
PSU
1
N
Al
a
rm
N
O
Al
a
rm
C
Al
a
rm
N
C
1
5
6
7
Output
12 VDC
Fan
Constant
80-230VAC Power
Input
80-230 VAC
2
3
4
P-SW
P-SW
G
N
D
O
u
t
Al
a
rm
+1
2
V
O
u
t
Al
a
rm
8
3
2
OPS
Alarm Flash
Open = Alarm
9
10
11
Output
12 VDC
Input
80-230 VAC
Relay in alarm
state
GND_DC
+12V
Bl
a
ck
R
e
d
+
−
85- 230 VAC
fan on
85- 230 VAC
Power
Central
surveillance
COM
2 NO
1 NC
P
3
2
1
3
4
5
2
7
