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3.0
MR-3318 Overview
This chapter lists all the possible components of an MR-3318 system.
3.1 MR-3318 Fire Alarm Control Panel Model
The MR-3318 Fire Alarm Control Panel has the following features:
•
Main Board, Power Supply and Backbox.
•
Multi-zone fire alarm control panel.
•
Main Display with 4 x 20 LCD display.
•
Class A (Style 6), Class X (Style 7), or Class B (Style 4)
analog
loop.
•
Four Power Limited Class B (Style Y) or Class A (Style Z) NAC circuits (max 1.5 Amps
each - 5.0 Amps total).
•
Dedicated common alarm, supervisory, trouble, and auxiliary alarm relays.
•
Additional outputs include connections for a RTI remote trouble indicator, PR-300
Reverse Polarity Module, an RS-485 bus for connection of up to seven RAX-LCD-LITE,
RAM-3318-LCDs, MR-2312-SR(W)12s and RA-1000 Series annunciators.
•
Auxiliary power is available in the form of 24V FWR unfiltered and unsupervised, 24VDC
filtered and regulated, and resettable auxiliary power supply.
Figure 1 Model MR-3318 Single Loop Fire Alarm Control Panel