Specifications
105
Appendix D: Specifications
16.0 Appendix D: Specifications
Table 7 FR-320 Series Specifications
FR-320 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
21.1 VDC@ 1 A max per circuit, 1.7A max combined
Current Consumption Standby: 183mA
Alarm: 318mA
Supervised Auxiliary
Power (non resettable)
Power limited / 21.1VDC regulated / 300mA max
4-wire smoke supply
(resettable)
Power limited / 21.1VDC regulated / 100mA max
RS-485 Connection For Remote Annunciators. Terminals are labelled RS485. Line impedance is 120
ohms.
Electrical ratings AC line voltage 120 VAC 60Hz 1.7A /240 VAC 50 Hz 0.85 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)
If no auxiliaries are used the max power is 5A for the indicating and the releasing
circuits
Auxiliary relays
(resistive loads)
Must be connected to a listed power limited source of supply. Terminals are
labelled ALARM, TROUBLE, SUPV and AUX.
Common Alarm Form C, 1 A max, 28 VDC
Common Supv Form C, 1 A max, 28 VDC
Common Trouble Form C, 1 A max, 28 VDC










