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Control Panel Installation

151295 4-29

4.12.2 Auxiliary Power Installation

NAC Circuits 1and 2 on the control panel can be used as auxiliary power circuits. The three

types of auxiliary power available are:

• Door Holder (see section 4.12.2.1)

• Constant (see section 4.12.2.2)

• Resettable Power (see section 4.12.2.3)

Auxiliary power circuits are power limited. Each circuit can source up to 2.5A (total current

for system must not exceed 2.5A).

To install an auxiliary power circuit:

1. Wire the NAC circuit(s) that will be used for auxiliary power. See Figure 3-2 for location

of NAC circuits.

2. Configure the auxiliary power output through programming (see section 7.5).

4.12.2.1 Door Holder Power

Door holder power is intended for fire door applications. When there are no alarms in the

system and the panel has AC power, door holder circuits have 27.4 volt power present at their

terminals. Any alarm will cause power to disconnect. Power will be re-applied when the

system is reset. If AC power is off for more than 15 seconds, the auxiliary door holder power

will be disconnected to conserve the battery backup. When AC power is restored, power is

immediately restored to the door holder circuits.

Figure 4-31 Example of an Auxiliary Power For Door Holder

Note: Figure 4-31 uses UL listed door holder Model 1400 from Door Control International as an example.

Non-Supervised

Power Limited

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