Fenwal Controls 35-71 Series Manual
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F-35-71March 20201FEATURES• Safe start with DETECT-A-FLAME® flame sensingtechnology• 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 powerAPPLICATIONS• Commercial cooking• Agriculture• Infrared burners• Construction heaters• Other gas-fired appliancesDESCRIPTIONThe 35-71 is a 120 VAC direct spark ignition (DSI) controldesigned for use in all types of gas-fired appliances. The controluses a microprocessor circuit to provide precise, repeatabletiming and operating sequences. On-board diagnostics with LEDoutput makes troubleshooting easy and ensures safe andefficient operation.Export Information (USA)Jurisdiction: EARECCN: EAR99Agency CertificationsSPECIFICATIONSRecognized under the UL component program, UL372. Software certified to ANSI/UL 1998. UL FileMH8817Design Certified to ANSI Z21.20,CAN/CSA C22.2 No. 199-M89Input Power 102 to 138 VAC, 50/60 HzInput Current 350 mA @120 VAC with gas valve relayenergized (control only)Gas Valve 1.5A max @ 120 VACInducer Blower 3.0 FLA @ 120 VACOperating Temperature -40°F to +160°F(-40°C to +71°C)Storage Temperature -40°F to +185°F(-40°C to +85°C)Flame Sensitivity 1.0 μA minimumFlame Failure Response 0.8 seconds maximumFlame Detector Self-check Rate Once per second minimumGas Types Natural, LP, or manufacturedSpark Rate:RemoteLocal50/60 sparks/sec25/30 sparks/secSize (LxWxH)with enclosure5.11 x 3.55 x 2.00 inches(12.98 x 9.02 x 5.08 cm)Moisture Resistance Conformal coated to operate non-con-densing to 95% R.H. Module should notbe exposed to waterIngress Protection Not rated, protection provided byappliance in which it is installedTries for Ignition One or three try versions availableTrial for Ignition Periods 4, 7, 10, 15 seconds availablePre-purge and Inter-purgeTimings0, 5, 15 or 30 seconds availablePost-purge Time 0, 30 or 60 seconds availableSERIES 35-71120 VAC Microprocessor-Based Direct SparkIgnition Control with Inducer Blower RelayR |
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