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Series 35-53 12 VDC Direct Spark Ignition Control

Brand: Fenwal Controls

The Model 35-53 is a 12 VDC Microprocessor Based Direct Spark Ignition Control designed for use in all types of heating applications such as RV gas furnaces and other similar appliances. 

The control utilizes a microprocessor to continually and safely monitor, analyze and control the proper operation of the gas burner. 

Value added features such as combustion blower control, LED diagnostic output, and multiple ignition tries highlight the control's benefits. 

Combustion blower versions are fully backward compatible with all previous Fenwal 12 VDC controls and competitive models. 

The control determines the unit configuration at the start of the heating sequence and disables the blower function if not required, allowing one part to address all service or OEM needs.
Features
  • Optional combustion blower relay with selectable postpurge 
  • System diagnostic LED indicator 
  • Multiple tries for ignition (TFI) 
  • Automatic reset 1 hour after lockout 
  • Custom TFI, prepurge and interpurge timings 
  • Remote or local flame sensing 
  • Software conforms to UL 1998 requirements 
  • Safe start 
  • Heavy conformal coating

Specifications

Approvals & Certifications

  • CSA
  • UL

Current

  • Input Current Drain: 300 mA @ 12 Vdc, Combustion Blower & Gas Valve Relays Energized (Control Only)

Electrical Rating

  • Combustion Blower Rating: 20 A at 12 Vdc
  • Gas Valve Rating: 1 A at 12 Vdc

Humidity

  • 95 % Relative Humidity

Input Power

  • Control: 9.5-15 Vdc from a Storage Battery or Full Wave Rectified Unfiltered 50/60 Hz AC

Mounting

  • Horizontal or Vertical

Operating Temperature

  • -40° to 80° C (-40° to 176° F)

Response Time

  • Flame Failure Response Time: 0.8 second, Max.

Sensitivity

  • Flame Sensitivity: 0.7 μA Min.

  • Recreational Vehicles (including boats/marine) 
  • Infrared Paving Repair Equipment 
  • Outdoor Torches and Lanterns 
  • Battery Powered Furnaces & Appliances
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