dormakaba 1856 HT SD, 1856 SFT SD Installation Instructions
08220880
03-2020
1800 Closer
17
Wiring
Connect the positive wire of the remote alarm indicator lamp to terminal #8 of the detector module. Connect
the negative terminal of the indicator lamp to terminal #7 of the SD-2 detector.
SD-2
Remote
alarm
indicator
lamp
13
12
1
8
2
9
10
3
4
5
6
7
15
14
11
1.
Make all connections as outlined previously for all units required by the job specifications.
2.
Make all signal initiating connections as illustrated in the appropriate figure below. Note wiring differences
for units with remote detectors vs. units without remoe detectors. Dashed lines to return loop represent
wires required for six (6) wire applications. These wires are omitted in four (4) wire applications.
3.
Connections to only one (1) SD-2 are shown below.
SD-2
SD-2
-
+
+
-
+
-
+
-
13
12
1
8
2
9
10
3
4
5
6
7
15
14
11
13
12
1
8
2
9
10
3
4
5
6
7
15
14
11
Connections for
six (6) wire instllation
Connections for
six (6) wire instllation
Return
loop
UL/ULC
listed
initiating
circuit
Return
loop
UL/ULC
listed
initiating
circuit
Remote
detector
*E
OL
*E
OL
* EOL used in 4 wire applications only
CONTINUED ON NEXT PAGE
4.13 SD-2 detector to remote alarm indicator lamp
4.14 Alarm initiation wiring 4 wire style B (Class B) & 6 style D (Class A)*
Fig.22
Fig.23
#8
#7
#2
#1
#13
#5
#2
#1
#13
#5
