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Honeywell C7061M Product Data

Miniature dynamic selfcheck ultraviolet flame detector
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C7061M Miniature Dynamic Self-
Check Ultraviolet Flame Detector

APPLICATION

The C7061M is a dynamic self-checking flame detector for
sensing the ultraviolet radiation generated by the combustion
of gas, oil, or other fuels.

FEATURES

• Shutter interrupts ultraviolet radiation reaching the UV
sensor to provide the UV sensor tube checking
function. Amplifier circuitry components are checked
from the microprocessor in the 7800 Series Control.
• Detectors can be mounted -45° to +90° in vertical
direction.
• Ultraviolet radiation sensing tube is field replaceable.
• Threaded conduit fitting and color-coded leadwires
allow rapid electrical installation.
• C7061M1016 uses Molex Woodhead 1R5006A20A120
(formerly Brad Harrison
• Two flame detectors can be wired in parallel to reduce
nuisance shutdowns in difficult flame sighting
applications.
• -4°F (-20°C) to 175°F (80°C) ambient temperature.
• Incorporates UV sensor tube checking feature; used
with R7861 Dynamic Self-check Amplifiers.
• Housing protection is IP66. (similar to Nema IV).
• Integrated collar threaded for mounting on a 1 in. sight
pipe.
• Viewing window rated for 50psi (350 kPa).
Application ........................................................................
Features ...........................................................................
Specifications ...................................................................
Installation ........................................................................
Ordering Information ........................................................
Wiring ...............................................................................
Adjustments and Checkout ...............................................
Troubleshooting ................................................................ 10
Service ............................................................................. 10
SIL
3
Capable
PRODUCT DATA
®
Type 41310) connector.
Contents
65-0304-05
1
1
2
3
2
7
8

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  Summary of Contents for Honeywell C7061M

  • Page 1: Table Of Contents

    • Integrated collar threaded for mounting on a 1 in. sight APPLICATION pipe. • Viewing window rated for 50psi (350 kPa). The C7061M is a dynamic self-checking flame detector for sensing the ultraviolet radiation generated by the combustion of gas, oil, or other fuels. Contents Application ................
  • Page 2: Specifications

    TRADELINE® Catalog or price sheets for complete ordering number. If you have additional questions, need further information, or would like to comment on our products or services, please write or phone: 1. Your local Honeywell Environmental and Combustion Controls Sales Office (check white pages of your phone directory). 2. Honeywell Customer Care...
  • Page 3: Installation

    CONDUIT TUBE CONNECTION PORT 1/2 NPSM 2-9/64 1-35/64 (55) (40) M29114A Fig. 1. Dimensions of C7061M in inches. (mm). INSTALLATION IMPORTANT 1. Do not connect these detectors to non-Honeywell manufactured controls (primaries, programmers, When Installing this Product... multiburner systems, and burner management systems).
  • Page 4 C7061M MINIATURE DYNAMIC SELF-CHECK ULTRAVIOLET FLAME DETECTOR Because it is necessary for the UV sensing tube to actually see the hot refractory causes the flame relay (in the flame the flame, it is best to locate the detector as close to the flame...
  • Page 5 C7061M MINIATURE DYNAMIC SELF-CHECK ULTRAVIOLET FLAME DETECTOR Parallel Flame Detectors When planning such an installation, locate each flame detector so that it has the best possible view of the first 30 percent Shifting flame patterns, commonly encountered on burners closest to the burner nozzle (the flame root) it is supervising, with high turndown ratios, can require two parallel detectors to and the worst possible view of all other flames.
  • Page 6 C7061M MINIATURE DYNAMIC SELF-CHECK ULTRAVIOLET FLAME DETECTOR BLACK IRON SIGHT PIPE [USE 1-1/2 TO 3 INCHES (38 TO 76 MM) DIAMETER]. REDUCING SOCKET TEES FURNACE WALL TAPERED MONITORING HOLE CONNECTION NIPPLE (1B) WELD THIS PART BURNER PLATE NOTE: IF AIR PURGING IS NEEDED, ADD PERFORATED NIPPLE OR PIPE TEES TO SUPPLY VENTILATION.
  • Page 7: Wiring

    C7061M MINIATURE DYNAMIC SELF-CHECK ULTRAVIOLET FLAME DETECTOR NOTES: Be sure the C7061M is properly aligned vertically when seen from the front. If not, the shutter may be damaged or malfunction. File any burrs or protrusions from the monitoring pipe. If the packing in the mounting nut is dam- aged, any chance of leakage may be caused.
  • Page 8: Adjustments And Checkout

    WIRING MUST BE NEC CLASS 1. [see “Radiation Sources (Other than Flame)” on page 4]. 1 AN R7861 DYNAMIC SELF-CHECK AMPLIFIER MUST BE USED. TWO C7061M DETECTORS CAN BE CONNECTED IN PARALLEL TO THE Adjust Detector Sighting SAME TERMINAL. C7061M1016 ONLY: KEYED CONNECTOR ALLOWS CONNECTION IN ONLY With the flame detector installed and the burner running, adjust ONE POSITION.
  • Page 9 Maximum Expected Voltage (Vdc) C7061M 1.25 R7861 Dynamic Self-Check Shutter operation of the C7061M may cause fluctuations in the voltage reading. Read the average stable voltage, disregarding the peaks. Shutter operates at 12 cycles per minute. Weld the Sight Pipe 3.
  • Page 10: Troubleshooting

    Add a shield or screen to reflect radiated heat away 2. Wait at least one minute before loosening the mounting from the detector, or nut, then remove the C7061M detector from the sight d. Add cooling (refer to Sight Pipe Ventilation). pipe.
  • Page 11 C7061M MINIATURE DYNAMIC SELF-CHECK ULTRAVIOLET FLAME DETECTOR Operation check MOUNTING 1. Mount the C7061M on the monitoring pipe TUBE UNIT 2. Turn on the power. 3. Start the combustion of the burner. 4. Measure the flame voltage at the Flame Amplifier.
  • Page 12 C7061M MINIATURE DYNAMIC SELF-CHECK ULTRAVIOLET FLAME DETECTOR Automation and Control Solutions Honeywell International Inc. 1985 Douglas Drive North ® U.S. Registered Trademark Golden Valley, MN 55422 © 2013 Honeywell International Inc. 65-0304—05 M.S. Rev. 07-13 customer.honeywell.com Printed in United States...

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C7061m1008C7061m1016