Aritech CS875

36 CS175-275-575-875 Installation Guide
8 WIRING FIRE DETECTORS
8.1 General
If you need to drive more than one 4-wire fire detector, you may need to use a relay.
8.1.1 4-wire fire detector (CS275-575-875)
DB702 + DP721R DB702 + DP721R
CS275
CS575
CS875
C
O
M
Z
4
A
U
X
+
C
O
M
O
U
T
4
11
2
2
3
3
4
4
5
5
6
6
1
+ Line in
4
NC (normally closed)
2
+ Line out
5
COM
3
- Line
6
NO (normally open)
8.1.2 2-wire fire detector (CS275-575-875)
DB701 + DP721 DB701 + DP721
CS275
CS575
CS875
C
O
M
Z
4
A
U
X
+
A
U
X
+
C
O
M
C
O
M
O
U
T
4
O
U
T
4
1
1
22
3
3
1
+ Line in
2
+ Line out
3
- Line
"
The fire detector power is connected to aux and output 4.
Change location 51, segment 2, option 5 to On.
The fire alarm is always activated as alarm on zone 8.
The maximum number of fire detectors to be connected is three
.