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Wiring Procedure
The wiring terminals are in the rear section of the detector enclosure and are accessible by removal
of the end cap.
The front section of the enclosure should only be accessed by trained personnel.
The terminal schematic detailed below shows the view looking inside the detector following removal
of the end cap.
Figure 4: Terminal Schematic
The detector has two types of alarm output available simultaneously.
•
0-20mA (source non-isolated)
•
Relay (Alarm & Fault)
Listed below are wiring options dependent on the functional requirements of the detector.
This document is strictly private and confidential, reproduction without Viking Corporation approval is prohibited. © 2021 The Viking Group Inc.
VSF303 Flame Detector
Safety and Technical Manual
Form No. F_020521
Rev: 2
10
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