Sentry CR105 Manual download pdf (Page 9)

U7698E Flame Detector

Part 334614E

E 2002 Nordson Corporation

Manual 34-49

Indicators, Alarms, Interlocks, and Controls

The indicator panel houses the flame detector indicators, alarms, interlocks,

and controls.

Indicators

S POWER ON (green)

S DET. HEAD #1 FAULT (amber)

S DET. HEAD #2 FAULT (amber)

S FIRE DETECTED (red)

Alarm Buzzers

S FAULT DETECTED (continuous tone)

S FIRE DETECTED (fast intermittent tone)

Interlocks

The indicator panel houses three interlock relays:

S booth

S conveyor

S customer use

If a fire is detected in the booth, the booth and conveyor interlocks shut

down the booth, application equipment, and conveyor. The customer-use

interlock relay can be wired to activate an alarm or other external device.

Refer to Installation for instructions on wiring these interlocks, and

Specifications for the relay contact conditions during fault, major fault, and

fire alarms.

Reset Switch

The DET. HEAD RESET switch is a three-position momentary selector

switch. Use the switch to reset the detector heads after correcting a fault.

Move the switch to the left to reset detector head 1. Move the switch to the

right to reset detector head 2.

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Sentry CR105 Manual Page 9