Johnson Controls IFC-320 - B.2 Installation; B.2.1 IFC-200

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
SLC-lvlp1.cdr
Optional Four-wire Return Loop
Style 6 (Class A)
–
+
INPUT
OUTPUT
PLP-42N
L1 L2 L3 L4
L1 L2 L3 L4
GRND
INPUT
OUTPUT
PLP-42N
L1 L2 L3 L4
L1 L2 L3 L4
GRND
SLC-plpn1.cdr
SLC Loop
SLC Terminal Block
Optional Four-wire Return Loop
Style 6 (Class A)
NOTE: