Johnson Controls, Inc. SLC Wiring Manual —
P/N 51870:G 04/23/2009
59
Installation
SLC Surge Suppression
B.2 Installation
Mounting of the secondary surge suppressor must be inside the FACP enclosure or in a separate
enclosure listed for fire protective signaling use.
•
Locate on an available stud and secure with nut.
•
Unit is connected in series with the SLC Loop to protect the Control Panel.
•
Provide a common ground to eliminate the possibility of a differential in ground potentials.
B.2.1 IFC-200
DTK-2LVLP-F Connections
PLP-42N Connections
IN
IN
OUT
OUT
2LVLP-F
2LVLP-F
–
+
SLC Loop
SLC Terminal Block
S
L
C-lvlp
1
.cd
r
Optional Four-wire Return Loop
Style 6 (Class A)
–
+
INPUT
OUT
P
U
T
PLP-42N
L
1
L
2
L
3
L
4
L
1
L
2
L
3
L
4
G
RND
INPUT
OU
T
P
U
T
PLP-42N
L
1
L
2
L
3
L
4
L
1
L
2
L
3
L
4
G
RND
SLC
-pl
p
n
1.
cdr
SLC Loop
SLC Terminal Block
Optional Four-wire Return Loop
Style 6 (Class A)
NOTE: