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Two Rod Direct Spark Ignition Control S89F1098,
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Item Number: 21457
Manufacturer Name: Honeywell
Manufacturer Part No: S89F1098
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Provide electronic control of
direct spark ignition systems, with external spark transformers, used
on gas-fired furnaces, boilers, conversion burners and other heating
appliances.
Product Data
Installation Instructions
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• Controls ignition sequence and gas control operation in direct spark ignition systems.
• Control separate 120 Vac spark generator that provides high voltage potential for main burner ignition.
• Lockout after one trial for ignition if main burner fails to ignite.
• Reset from thermostat after lockout. Use separate electrodes for spark ignition and flame sensing.
• Use any 24 Vac combination gas control designed for direct spark applications and rated at 2.0A or less.
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Product Specifications
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Description
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Provide electronic control of direct spark ignition systems used on gas fired furnaces, boilers, and other heating appliances.
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Ignition System Type
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Direct Spark Ignition
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Ignition Sequence
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Single trial for main burner ignition (then shut down and lockout)
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Typical Gas Control
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VR8205, VR8305
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Type of Gas
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Natural or LP
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Ignition Source
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External (120 VAC powered) High Voltage Spark Generator
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Ignition Trials To Lockout
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1
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Ignition Trial Time (sec)
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4 sec.
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Maximum Valve Load @ 24 Vac (Amps)
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2A
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Typical Ignition Hardware
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Q652, Q345
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Dimensions (in.)
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5 1/4 in. high x 4 1/16 in. wide x 1 15/16 in. long
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Dimensions (mm)
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133 mm high x 103 mm wide x 49 mm deep
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Electrical Ratings
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24 Vac
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Maximum Ambient Temperature (F)
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-40 F to +175 F
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Maximum Ambient Temperature (C)
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-40 C to +79 C
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Approvals, Canadian Standards Association
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Design Certified
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Flame Failure Response Time (sec)
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2.0 sec. @ 2.5 microamp
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Flame Failure Re-ignition Time (sec)
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0.8 sec. maximum
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