Sentry CR105 Manual download pdf (Page 18)

U7698E Flame Detector

Part 334614E

E 2002 Nordson Corporation

Manual 34-49

Operation

WARNING: Allow only qualified personnel to perform the following tasks.

Follow the safety instructions in this document and all other related

documentation.

Startup

Turn on power to the powder coating system.

S The green POWER ON indicator on the indicator panel will light.

S The FAULT indicators will light then shut off if there are no faults.

S The red FIRE DETECTED indicator will stay off.

Normal Mode

In normal operating mode, the

S green POWER ON indicator is on.

S amber FAULT and red FIRE DETECTED indicators are off.

S red LEDs on the detector heads blink once every 5 seconds.

S interlocked equipment can be started.

Fault Mode

In fault mode,

S the amber DET. HEAD FAULT indicator corresponding to the faulted

detector head lights.

S the FAULT DETECTED alarm turns on (continuous tone).

S all interlocked equipment continues to run.

WARNING: Immediately correct any condition that causes a fault or major

fault. Do not operate the coating system with the flame detector shut down

or bypassed, or with a malfunctioning flame detector component.

The system indicates a fault if a

S detector head loses power,

S through-the-lens test fails, or

S sensor or electronics module malfunctions.

NOTE: If only one detector head is installed, any fault is treated as a major

fault. The booth interlock opens, shutting down the booth and application

equipment.

When the fault is corrected, the fault indicator turns off and normal mode

resumes.

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Sentry CR105 Manual Page 18