Specifications

Specifications A
SHM80001
SAFETY HI-TECH
Quaestor-SZU Releasing Fire Control Panel - Installation and Operation Manual
Revision E03.04
79 of 155
Status Unit Terminals
POWER Terminals
DATA Terminals
Cabling
Maximum Output Rating 18 to 28 VDC, 1.1 A electronic fuse, 500 mA maximum load
Connector Terminals Terminals accept 14 to 22 AWG wire.
Maximum Number of Units Load dependant, 500 mA maximum in alarm
RS485 Serial Bus RS485 Serial Bus, Two-wire RS485
Maximum line impedance: 120 Ohms
Connector Terminals Terminals accept 14 to 18 AWG wire.
Maximum Number of Units 7 Status Units, 7 Ancillary Boards
A separate power source must be used if the total-load-current at the
STATUS UNIT, POWER terminals exceeds the 500 mA maximum of
this output.
Grounding Conductor
Install ground conductors with 14 AWG cabling to support branch
circuits of the Quaestor-SZU releasing Fire Control Panel.
Branch Circuits Protect branch circuits from the AC power source with a 15 Amp fuse.
Material All field wiring should be installed using fire rated cables according to
the NFPA.
Cross Sectional Size The cross sectional size of Zone cabling should be determined based
on length and the number of devices in use. Connect Zone cabling
using a minimum of 1 mm cross sectional area.