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7. DIAGRAMS
7.1 Internal Panel Layout
Item
Description
1
AC power input
2
Fuse
3
P-comm (Ethernet connection)
4
Panel inputs (initiating circuits)
5
Relay contacts
6
Trouble circuit
7
Alarm circuit
8
Supervisory circuit
9
Waterflow release circuit
10
Panel outputs (indicating circuits)
11
Battery connections
F_081022 Rev 01 November 2023
TECHNICAL DATA
1
2
3
11
4
6
7
10
5
Figure – 1
Parameters
Supervised, Non-Power-Limited
4A-250VAC, Time lag
Connects to PC for programming operations
Connects to normally open devices or compatible 2-wire smoke
detectors. Maximum line resistance is 100 ohms (except with linear
heat detectors)
Dry contacts, rated at 3A, 30VDC. Refer to 6,7,8, and 9 below
Panel fault, loss of AC, loss of battery, wiring problem, input disabled,
output disabled, or loss of auxiliary power
Smoke or heat detection, manual release, or waterflow
Low air or valve tamper
Waterflow release
General alarms, waterflow, release solenoid, supervisory bell
Non-power limited, and supervised
Multi-Hazard Release Control
Panel Model VFR-500
8
9
Page 5 of 11
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