Specifications

Wiring Diagram D
SHM80001
SAFETY HI-TECH
Quaestor-SZU Releasing Fire Control Panel - Installation and Operation Manual
Revision E03.04
125 of 155
10
Notification Appliance Circuit
Polarized
Appliance
Requirement
NAC outputs of the Quaestor-SZU Releas-
ing Fire Control Panel accept devices that
are polarized only. A trouble condition is
reported when non-polarized NAC devices
are connected to these NAC outputs. Field
connections must include symbol-markings
for plus (+) and minus (-) on all polarized
appliance terminations.
Rating Connection
NAC 1 and
NAC 2 ( + ), ( - )
Special Application: 18 to 28 VDC
@ 500 mA continuous
Regulated: 18 to 28 VDC
@ 50 mA continuous
Fused: Electronic 1.1 A
Supervision: Voltage reversing DC
Short Circuit Threshold:
130 Ohms +/- 20%
Maximum line-voltage-drop: 2 VDC
Class B, Style Y operation
NAC 3 ( + ), ( - )
Releasing Output Only
Special Application: 18 to 28 VDC
@ 500 mA pulsed and continuous
Regulated: 18 to 28 VDC
@ 50 mA pulsed and continuous
Fused: Electronic 1.1 A
Supervision: Voltage reversing DC
Short Circuit Threshold:
130 Ohms +/- 20%
Maximum line-voltage-drop: 2 VDC
Class B, Style Y operation
File: S8485, Part Number: Man-SHM80004
Revision E07.03, Date: 26 March 2013