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Series 35-71 120 VAC Direct Spark Ignition Control

Brand: Fenwal Controls

The 35-71 is a 120 VAC direct spark ignition (DSI) control designed for use in all types of gas-fired appliances. 

The control uses a microprocessor circuit to provide precise, repeatable timing and operating sequences. 

On-board diagnostics with LED output makes troubleshooting easy and ensures safe and efficient operation.
Features
  • Safe start with DETECT-A-FLAME® flame sensing technology 
  • Custom pre-purge and inter-purge timings 
  • Inducer blower control and airflow switch monitoring 
  • Single or three trials for ignition 
  • System diagnostic LED 
  • Flame current test points 
  • Local or remote flame sensing 
  • Automatic reset 
  • Alarm output (normally closed contact) 
  • Open board, potted or enclosure 
  • Polarity insensitive input power 

Specifications

Approvals & Certifications

  • CSA
  • UL

Indication

  • LED

Input Power

  • 102-138 Vac, 50/60 Hz
  • 350 mA @ 120 Vac with Gas Valve Relay Energized

Mounting

  • Horizontal or Vertical

Operating Temperature

  • -40° to 80° C (-40° to 175° F)

Response Time

  • Flame Failure Response: 0.8 second, Max.

Sensitivity

  • Flame Sensitivity: 1.0 µA Min.

Storage Temperature

  • -40° to 85° C (-40° to 185° F)

  • Commercial cooking 
  • Agriculture 
  • Infrared burners 
  • Construction heaters 
  • Other gas-fired appliances
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