Section 3: Installation; Initiating Device Circuit Installation - Viking VFR-500 Installation And Operation Manual

Conventional releasing panel
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Section 3: Installation

This section covers how to install Input Circuits (IDCs), Notification Appliance Circuits (Outputs) and P-Link modules. Wiring
requirements and configuration examples are included throughout this section. Please read this section carefully before installing
detectors and accessories to insure proper installation.

Initiating Device Circuit Installation

The panel is equipped with seven (7) programmable contact inputs or Initiating Device Circuits (IDC). They are power-limited
and supervised. All inputs are suitable to monitor 2-wire smoke detectors. Smoke detectors shall be installed in compliance with
NFPA 72. Inputs can also be used for automatic, manual, waterflow or supervisory service.
Input Wiring Specification
Maximum short circuit current = 47 mA
Maximum wiring resistance = 100 Ohms except Linear heat detection cable, 700 ohms per zone
Maximum wiring capacitance = 30 uF
Maximum wire length in feet = 10,000 feet
Normal standby current = 2.5 mA
Normal standby voltage = 15-29V
IDC Wiring Configuration
Figure 7. IDC Class B Wiring Example
+
-
_
+
AUX OUT
ZONE 1
ZONE 2
Notes:
1.
The Potter part number for the listed end of line assembly is #3005013 EOL Resistor Assembly.
2.
The panel has ground fault detection on the input circuits. The impedance to ground for ground fault detection is 0 ohms.
3.
The end of line resistor is a 5.1K ohm resistor.
VFR-500 • 5403789 • REV A • 10/23
5.1k EOL
Potter Part # 3005013
Normally Open Contacts
ZONE 3
ZONE 4
ZONE 5
ZONE 6
ZONE 7
3-14

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