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4466 EXTERNAL POWER SUPPLY - FIRE ALARM SOLUTIONS TECHNICAL DESCRIPTION
10.3.
EXAMPLE OF COM LOOP WIRING
A-direction
B-direction
The COM loop in A direction must be connected to number 1 and number 2 in terminal block J2 in 4466.
10.4.
CHECK LIST
The following has to be connected:
•
Mains is to be connected to the Terminal Block:
-
L (line)
-
N (neutral)
-
(safety earth)
•
Batteries (2 x 12V) to the Charger board (J1)
•
External equipment to the Charger board (J3)
•
COM Loop to the Charger board (J2)
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