84
14.0
Appendix C: Specifications
Table 11 MR-2320 Series Specifications
MR-2320 Series Fire Control Panel Chassis
General
Digital Signal Processor (DSP) based design. Fully configurable using front
panel LCD display with Password Access.
Indicating (NAC)
Circuits
2 supervised style Y (Class B) indicating circuits, configured as strobes or
audibles. Terminals are labeled
SIG 1
and
SIG 2
.
Power limited / Regulated 24VDC FWR / 1.7A @ 49C per circuit
Initiating Circuits
6 supervised style B (Class B) initiating circuits, configurable. Terminals are
labeled
DET
. Compatibility ID
A
.
Power limited / 19VDC reg. / 3mA for detectors /110MVpp AC ripple / 45mA max
(alarm short)
Releasing Circuit
Terminals are labeled
SIG 3
and
SIG 4
Power limited / Special Application
21.1 VDC @ 1 A max per circuit, 1.7 A max combined
See
Appendix A: Compatible Solenoids on page 82
for compatible solenoids.
Supervised Auxiliary
Power (non resettable)
Power limited / 21.1 VDC regulated / 300mA max
4-wire smoke supply
(resettable)
Power limited / 21.1 VDC regulated / 100mA max
RS-485 Connection
For Remote Annunciators. Terminals are labelled RS485. Line impedance is
120
Ω
.
Electrical ratings
AC line voltage
120 VAC 60Hz 1.75 A / 240 VAC 50 Hz 0.93 A, 10A
slow blow fuse on secondary of transformer
Power Supply Rating
6.5A AC maximum @ secondary of transformer
Max power allowed
= 5A
•
1.7A (aux power unfiltered if used)
•
0.5A (aux power filtered if used)
•
0.3A (resettable auxiliary power if used)
•
1.7A (for releasing circuits)
Note:
If no auxiliaries are used the maximum power is 5 A for the indicating and
the releasing circuits.
Summary of Contents for MR-2320 Series
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