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Honeywell R4348B Series Product Handbook

Industrial flame switch
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INDUSTRIAL FLAME SWITCH
APPLICATION
The R4348B flame switch is for application in large com-
mercial and industrial burner installations.
The function is:
flame safeguard primary controls capable of providing
system „safe start" check and flame sensing functions.
The unit can also be used in installations using an EC7800
microcomputer-based burner control system - to extend the
number of burners being controlled.
The unit includes a 3-pole flame relay which is energized when
flame is sensed and de-energized when „no-flame" is sensed
and a 3-pole line voltage „load relay".
• Standard is a green LED which is illuminated when the
flame relay is energized.
• R4348B1057 only:
– LED bar and 4-20mA output for indicating and / or
recording the flame current strength.
• Unpowered relay outputs enable Honeywell sensors
and amplifiers to be used with a wide range of logic
schemes according to customer needs.
• Plug-in unit makes wiring and servicing easy.
• Plug-in flame signal amplifiers available to match a wide
range of flame sensors.
1
R4348B
PRODUCT HAND BOOK
EN1C-9999SZ22 R1104

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  Summary of Contents for Honeywell R4348B Series

  • Page 1 • R4348B1057 only: – LED bar and 4-20mA output for indicating and / or recording the flame current strength. • Unpowered relay outputs enable Honeywell sensors and amplifiers to be used with a wide range of logic schemes according to customer needs.
  • Page 2: Specifications

    SPECIFICATIONS WARNING To avoid the risk of electrical shock which could cause personal injury, follow all safety notices in this documentation. MODEL: R4348B industrial flame switch with 3-pole flame relay and 3-pole load relay see OPTIONS also ELECTRICAL RATINGS: can operate on 110V - 120V - 127V - 230V 50/60Hz POWER CONSUMPTION: less than 15VA ENCLOSURE:...
  • Page 3 11x Pg11 20 (minimum) required for unplugging R4348B from the subbase TOP VIEW FIG. 1 Dimensions in mm. Rear view subbase Front view FIG.2 Main features ACCESSORIES: Subbase : 46176612-501 : for IP40 (to be ordered separately) EN1C-9999SZ22 R1104...
  • Page 4 1) Dynamic Self Check circuitry tests all electronic compo- 4) Use Honeywell photocell. Part No 36316 only. nents in the flame detection system (amplifier and 5) C7012E, F and C7076A shutter operation causes fluc- detector) 60 to 120 times/min.
  • Page 5: Installation

    INSTALLATION To have access to the internal connector, remove the 4 cover IMPORTANT retaining screws and slide out the PC board. 1 The installer must be a trained, experienced flame safeguard technician. 2 When installing the subbase and R4348 industrial flame switch refer to the instructions provided by the burner manufacturer.
  • Page 6 INSTALL THE FLAME DETECTOR PLUGGING THE R4348 INTO THE SUBBASE The performance of the flame safeguard system depends 1 Plug the selected amplifier into the back of the R4348 upon correct flame detector installation. Refer to the (see fig. 3). instructions packed with the flame detector and also the Make sure the correct combination of amplifier and burner manufacturer’s instructions for details.
  • Page 7 Wires are identified by color code as follows : 0=black 4=yellow 6=blue 9=white FIG. 4 Flame detector wiring diagrams EN1C-9999SZ22 R1104...
  • Page 8 FIG. 5 Industrial flame switch - terminal location EN1C-9999SZ22 R1104...
  • Page 9 CHECK OUT AFTER INSTALLATION INSTALLATION CHECKOUT 1 Using a Honeywell W136A micro-ammeter which is plugged into a socket on the face of the R4348. Preliminary inspection - make certain that : 2 By reference to an LED-meter on the face of the R4348 which gives the value “at-a-glance”.
  • Page 10 Ph.: (+34) 9 13 13 61 00 - Fax: (+34) 9 13 13 61 27 - OEM-SalesSouthEurope@Honeywell.com - www.honeywell.com/sites/es United Kingdom Honeywell Control System Ltd. - Unit 2 President Buildings, Savile Street East - S Yorks S4 7UQ - Sheffield - UNITED KINGDOM Ph.: (+44) 114 286 0920 - OEM-SalesUK@Honeywell.com - www.honeywell.com/sites/uk Netherlands, Scandinavia Honeywell B.V.

This manual is also suitable for:

R4348b1008R4348b1057