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Honeywell C7061 A User Manual

Honeywell C7061 A
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1 EN1C-0015SZ20 R0602
C7061 A/F
DYNAMIC SELF CHECK ULTRAVIOLET FLAME DETECTOR
APPLICATION
The C7061A is a dynamic self-checking flame detector for
sensing the ultraviolet radiation generated by the combustion
of gas, oil, or other fuels.
This flame detector is available in two versions:
model C7061A for use in Standard applications, and model
C7061F for use in installations requiring explosion-proof
packaging. The flame detector is designed for use with either,
R7061 Dynamic Self-Check Ultraviolet amplifier and
R4348 Flame Switch or,
or with,
R7861A Dynamic Self-Check Ultraviolet amplifier and,
7800 SERIES Burner Programmers
These configurations provide a closed-loop, self-checking
circuit which insures the integrity of both amplifier and flame
detector. Improper response simulated flame loss results in
a safety shutdown and/or alarm.
CONTENTS
GENERAL
Description .................................................................... 2
Features ......................................................................... 2
Orderdering information ................................................ 2
TECHNICAL DATA
Specification .................................................................. 3
Standards and approvals .............................................. 4
Replacement parts and accessories ............................. 4
Dimensional drawing ..................................................... 5
INSTALLATION AND OPERATION
Planning the installation ................................................ 6
Installation ..................................................................... 8
Wiring .......................................................................... 10
Adjustement and checkout ......................................... 12
VARIOUS
Troubleshooting .......................................................... 13
Service ......................................................................... 14
model C7061F
model C7061A
PRODUCT HANDBOOK
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Honeywell C7061 A Specifications

General IconGeneral
BrandHoneywell
ModelC7061 A
CategorySecurity Sensors
LanguageEnglish

Summary

General Information

Description of C7061 Detectors

Explains the C7061A1020 and C7061F1003 detector models, their differences, and mounting.

Key Features and Specifications

Lists key features like oscillating shutter, field replaceable parts, parallel wiring, and enclosure standards.

Ordering Detector Models

Details how to order the detector, including model numbers and separately orderable items.

Technical Data and Specifications

Detailed Specifications

Provides detailed specifications including models, operating conditions, electrical and physical specifications, mounting, and wiring.

Standards, Approvals, and Parts

EC Directives and Model C7061F Compliance

Details EC Directives for C7061A/F and specific compliance for C7061F regarding explosive atmospheres.

Other Approvals for C7061A

Lists additional certifications and approvals for the C7061A model from UL, CSA, and FM.

Replacement Parts and Accessories

Lists common replacement parts and accessories applicable to both C7061A and C7061F models.

Dimensional Drawings

Installation and Operation

Planning the Installation Location

Guides on determining the best location considering temperature, vibration, clearance, and potential radiation sources.

Single Burner Sighting Requirements

Details sighting angle, minimizing screening effects, and pilot/burner flame requirements for single burners.

Multi-Burner and Multifuel Considerations

Covers flame discrimination, multi-burner placement, and parallel detector use for reliable operation.

Screening Effects Mitigation

Explains how smoke, mist, and dust affect UV signals and methods to reduce their impact.

Sight Pipe and Fitting Installation

Covers preparing the sight pipe hole, installing the pipe, reducers, ventilation, and accessory mounts.

Detector Mounting and Orientation

Provides instructions for mounting the detector, ensuring correct orientation and alignment for optimal performance.

Wiring Connections

General Wiring Precautions

Highlights critical precautions for wiring, including avoiding shorts, using correct wire types, and conduit requirements.

Connecting Detectors in Parallel

Explains how to connect two detectors in parallel for improved reliability and lists limitations.

Adjustments and Checkout Procedures

Adjusting Detector Sighting

Guides on adjusting the detector's sighting position for optimum flame signal measurement.

Ignition Spark Response Test

Tests to ensure ignition spark does not falsely trigger the flame relay.

Response to Other Radiation Sources

Warns against using artificial light sources for testing; recommends flame failure tests.

Welding the Sight Pipe

Instructs to weld the sight pipe in its final position after adjustments are complete.

Final System Checkout

Emphasizes performing all checkout procedures before system operation.

Troubleshooting Guide

Preliminary Inspection Checklist

Outlines initial checks for voltage, wiring defects, and detector temperature.

Addressing Unsatisfactory Flame Signal

Provides steps for low or zero flame signal readings, including detector adjustment and replacement.

Removing Detector from Sight Pipe

Details the procedure for safely removing the C7061A and C7061F detectors from the sight pipe.

Procedure for Zero Meter Reading

Lists component replacement steps for resolving a zero meter reading issue.

Service and Maintenance

Periodic Maintenance Tasks

Covers cleaning the viewing window and keeping the flame detection system adjusted.

Replacing Ultraviolet Sensing Tube

Step-by-step guide for safely replacing the UV sensor tube in the detector.

Replacing Coil and Shutter Assembly

Instructions for replacing the coil and shutter assembly, including wiring connections.

Replacing Viewing Window or Focusing Lens

Details the procedure for replacing the quartz viewing window or focusing lens for C7061A and C7061F.

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