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Fig. 1 fig. 1a fig. 1b, Power supply board power distribution module(s) – Altronix SMP7PMP8CB Installation Instructions User Manual

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[1P & 1N through 4P & 4N] (Fig. 2, pg. 3), 1 to 8 marked [1P & 1N through 8P & 8N] (Fig. 3, pg. 3)
or 1 to 16 marked [1P & 1N through 16P & 16N] (Fig. 4, pg. 3) carefully observing correct polarity.

*Note: P

ower switch is used to disconnect the L (HOT) terminal from the rest of the board. When servicing the unit,

AC mains should be removed.

6. When using stand-by batteries, they must be lead acid or gel type. Connect battery to terminals marked [- BAT +]

(battery leads included). Use two (2) 12VDC batteries connected in series for 24VDC operation.
Note: When batteries are not used a loss of AC will result in the loss of output voltage.

Supervised models only:

7. Connect appropriate signaling notification devices to AC Fail & Low Bat supervisory relay outputs

marked [NO, C, NC] (Fig. 1A, below).

- 2 -

-- DC +

Power Supply

Board

Power

Distribution

Module(s)

BA

T F

AIL

NO C NC

NO C NC

-- BAT +

Fuse Cover

DC

AC

AC F

AIL

L G

N

OFF ON

SW1:

24V - OPEN

12V - CLOSED

CAUTION: De-energize unit prior to servicing. For continued protection against fire hazard

replace fuse with the same type and rating 3.5A, 250V.

Replace protective cover on the fuse of the power supply board, before energizing unit.

Green

Lead

Wire
Strap
(from
Enclosure
to Door)

115 power

mains

INPUT

BAT FAIL

NO C NC NO C NC

AC FAIL

SW1:
24V - OPEN
12V - CLOSED

Fig. 1

Fig. 1A

Fig. 1B