Robertshaw Series 35-70 overview
Fenwal Series 35-70 120 VAC Microprocessor-based Direct Spark Ignition Control The 35-70 is a 120 VAC direct spark ignition control for controlling a gas valve ...
Product details
Manufactured byRobertshaw
Product groupIgnition Controls
DescriptionFenwal Series 35-70 120 VAC Microprocessor-based Direct Spark Ignition Control
OverviewThe 35-70 is a 120 VAC direct spark ignition control for controlling a gas valve and igniting LP or natural gas fired equipment and gas burner applications that provide a 120 VAC operating signal.The microprocessor circuit design provides precise, repeatable timing sequences for ignition times and purge times (pre- and inter-) as well as multiple tries for ignition, one hour automatic reset and flame sensing during pre-purge. The on-board diagnostics with LED output provide assistance with trouble-shooting to ensure safe and efficient burner operation.
Key Features3 Enclosure Configurations Case and Cover - dust and foreign object protection Open Board with Stand-Off's - saves space and cost Potted - protection for washdown and extreme vibration 2 Wiring Options – ¼" quick connects and multi-pin connector 2 Trial for Ignition Options – 1 and 3 try 4 Trial for Ignition Times – 4, 7,10 and 15 seconds (customized timings available) 2 Flame Sense Options – single spark and sense and remote sense 2 Reset Options – thermostat/power off and automatic (1 hour reset) Diagnostic LED – 3 error codes for accurate troubleshooting Flame Current Test Pins – instant access to circuit for troubleshooting Polarity Insensitive – reduces chance of miswiring
Typical ApplicationsConstruction and Agriculture Heaters Crop Dryers Ceramic and Black Body Infrared Heaters Commercial Cooking Equipment Any 120 VAC Gas Burner Application under 400K BTU
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Ignition Controls
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