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Honeywell C7927A manual

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Table of contents for the manual

  • Page 1

    PRODUCT DATA 60- 2026- 11 ® U.S. Registered T rademark Copyright © 2001 Honeywell • All Rights Reserved C7027A, C7035, C7044A, C7927A Minipeeper® Ultraviolet Flame Detectors APPLICATION The C70 27A, C7035A, C7044A an d C7927A M inipeeper® Ultraviole t Flame De tectors detec t the ultra violet rad iation emitted b y combu stion fla mes. The fl[...]

  • Page 2

    C7027A, C70 35, C7044A, C7 927A MINIPEEPER® ULTRAVIOLE T FLAME DETECTORS 60-2026—1 1 2 ORDERING INFORMATION When purc hasing re placement a nd modernizatio n product s from your TR ADELINE® w holesal er or distri butor , refer to th e TRADELINE® Ca talog or price sheets for c omplete orde ring numb er . If you hav e additi onal ques tions, ne [...]

  • Page 3

    C7027A, C70 35, C7044A, C792 7A MINIPEEPER® ULTRAVIOLET FLAME DETECTORS 3 60-2026—1 1 C7035A Minip eeper® Ultraviolet Flame Detector: Flame D etection: End viewin g. Ambien t Operating T empera ture Ratings : 0°F to 250 °F (-18°C to +1 21°C), or -40°F to 2 50°F (-40°C to + 121°C), dependi ng on model. Maximum Pressure R ating: 5 p si (3[...]

  • Page 4

    C7027A, C70 35, C7044A, C7 927A MINIPEEPER® ULTRAVIOLE T FLAME DETECTORS 60-2026—1 1 4 Fig. 4. In stallatio n dimensions of C7927A 1016 (U.S .A. version ) and C7927A 1008 (Europe an version) in in. (mm). INSTALLATI ON When In stalling This Produc t... 1. Read t hese ins tructions carefully . Fai lure to fol low them co uld damage the product or [...]

  • Page 5

    C7027A, C70 35, C7044A, C792 7A MINIPEEPER® ULTRAVIOLET FLAME DETECTORS 5 60-2026—1 1 WARNING Explosion Ha zard and Ele ctrical Shock Ha zard. Can ca use serious injury , death or property damage. 1. The C 7027A, C 7035A , C704 4A and C7927 Fl ame Det ectors must be used with H oneywe ll fl ame safeguard controls (pri m aries , program mers, mul[...]

  • Page 6

    C7027A, C70 35, C7044A, C7 927A MINIPEEPER® ULTRAVIOLE T FLAME DETECTORS 60-2026—1 1 6 Mounting a C7027A, C7927 or C7035A Locate the Sight Pipe The loc ation of th e sight p ipe is the most cri tical p art of the inst allation. A blac k iron pipe is r ecommen ded. Do not use a stai nless steel or galva nized pipe be cause its in ternal surfac e [...]

  • Page 7

    C7027A, C70 35, C7044A, C792 7A MINIPEEPER® ULTRAVIOLET FLAME DETECTORS 7 60-2026—1 1 Swivel Mount T o facilit ate proper sig hting of t he flame, a swivel m ount (part n o. 1 18367A) is availabl e. The sw ivel mo unt will re quire a 3/4 to 1/2 in. reduce r and a 1/2 in. clos e nipple to mount a C7027 A, or a 1 in. pipe at least 2-1 /2 in. [63 .[...]

  • Page 8

    C7027A, C70 35, C7044A, C7 927A MINIPEEPER® ULTRAVIOLE T FLAME DETECTORS 60-2026—1 1 8 Fig. 8. Moun ting C7044A Dete ctor on blast tu be. The C7 044 is m ounted in a 29/32 in . (23.0 mm) hole in the blast tu be. The m ounting b racket is fastene d to the blast tu be with 2 screws on 1-27/64 in . (36.1 mm ) centers. The mo unting brac ket is desi[...]

  • Page 9

    C7027A, C70 35, C7044A, C792 7A MINIPEEPER® ULTRAVIOLET FLAME DETECTORS 9 60-2026—1 1 g. T he scan ner wi res sh ould re main se parated a minimum of two in . (51 mm) from other line volt age wire s in the main cont rol panel to t he f lame safeg uard de vice. 3. A void ins tallat ion cons iderati ons that c an influe nce detecto r operation and[...]

  • Page 10

    C7027A, C70 35, C7044A, C7 927A MINIPEEPER® ULTRAVIOLE T FLAME DETECTORS 60-2026—1 1 10 Fig. 10. M easuring microamp flame signa l. The R7 749B and R78 49A,B Ampli fiers use d with the Honeyw ell BCS 7700 and 7800 SERIES cont rols, respect ively , have a dc voltage flame s ignal outp ut. For the R 7749B Amplifie r , a volt-ohmm eter with a zero [...]

  • Page 11

    1 1 60-2026—1 1 a Currentl y obsolete. Ignition Spark Res ponse Test T est to be su re that ignition s par k is not actuating the flame relay (us ually 2K) or fl ame LED in the flame safegu ard control. 1. Close the pilot and main burner manual fuel shutof f valve s. 2. Conne ct the app ropriate me ter to the f lame safeguard control amplifier . [...]

  • Page 12

    60-2026—1 1 G .R. Rev . 07-01 www . honeywell.com/bbc Home and Building Control H ome and Building Control Honeywell Honeywell Limited- Honeywell Limitée 1985 Douglas Drive North 35 Dynamic Drive Golden Valley, MN 55422 Scarborough, Ontario M1V 4Z9 Printed in U.S.A. on recycled paper containing at least 10% post-consumer paper fibers. C7027A, C7[...]