Ampac ZoneSense Technical Information download pdf (Page 13)

Page 9

ZONESENSE PLUS

INSTALLATION, COMMISSIONING & OPERATION

Chassis Earth Terminal

Earth Cable

M4 Shake Proof Washer *

M4 Nut *

Note:

* Extra M4 Nut and M4 SPW are

provided finger tight on the Earth bolt.

Figure 10: Chassis Earth Terminal Connection

4.2

Battery Charger

The battery charger is an integral part of the Power Supply and is capable of;

 Recharging standard sized system batteries within 24 hours;

 Detecting a missing, damaged or undercharged battery;

 Protecting the battery against reverse or a short circuit condition;

 Charging batteries in line with Sealed Lead Acid battery manufacturers’ circuit temperature

compensation guidelines.







Note: Battery disconnect has been incorporated to prevent the battery from discharging

through the battery charger should the charging voltage be less than the battery voltage.

CHASSIS EARTH

TERMINAL

EARTH ( GREEN )

ACTIVE ( BROWN )

NEUTRAL ( BLUE )

NOTE: MAINS CABLE

SHOULD BE NO LESS

THAN 0.75mm

-BATT+

METAL

COVER

DC OUTPUT

OV +27V GND

(AC IN)

1 2 3

TB1

Fuse

27V TO THE MAIN CARD

LED: AC ON

NOTE: 3 AMP

is not fitted with this LED

and uses the Indicator within

the switch

DC ON

LED

DANGER

PROTECTIVE PERSPEX

COVER

See Specifications

for correct fuse value

Figure 11: Power Supply Battery Charger Wiring

4.3

Secondary Supply

In the event of a mains failure the backup battery is capable of maintaining the quiescent condition

for 72 hours as well as full alarm load for a further period of 30 minutes.



Note: Any power supply fault to be indicated within 1 hour.

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Ampac ZoneSense Technical Information Page 13

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