Empire Comfort Systems DVP48FP9, DVP48FP3, DVP42FP9, DVP48FP7 Safety Lockout, Main Burner Operation

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INTERMITTENT PILOT TROUBLESHOOTING

Safety Lockout

S8600H provides 100 percent shutoff, or safety lockout. A timer starts timing the moment the trial for ignition starts. Ignition spark continues only until the timed trial for ignition period ends. Then the module goes into safety lockout. Lockout de-energizes the first main valve operator and closes the first main valve in the gas control, stopping pilot gas flow. The control system must be reset by setting the thermostat below room temperature for one minute or by turning off power to the module for one minute.

Main Burner Operation

When the pilot flame is established, a flame rectification circuit is completed between the sensor and burner ground. The flame sensing circuit in the module detects the flame current, shuts off the spark

generator and energizes the second main valve operator. The second main valve opens and gas flows to the main burner, where it is ignited by the pilot burner. The flame current also holds the safety lockout timer in the reset (normal) operating condition.

When the call for heat ends, both main valve operators are de- energized, and both main valves in the gas control close.

CAUTION: Label all wires prior to disconnection when servicing controls. Wiring errors can cause improper and dangerous operation. Verify proper operation after servicing.

S8600H NORMAL OPERATING SEQUENCE

START

STAGE 1 Trial for Ignition

Thermostat, Wall Switch, Remote, Etc. Calls for Heat

Spark Generator Powered

First Valve (Pilot)

Operator Opens

POWER INTERRUPTION

System shuts off. Restarts when

power is restored.

PILOT FLAME FAILURE

Second main operator closes. Module starts trial for ignition.

STAGE 2

Main Burner

Operation

END

PILOT BURNER OPERATION

Pilot burner lights. Pilot burner does not light

Module senses flame current.

 

OR

 

MODULE

RESPONSE

 

 

 

 

 

 

S8600H

After 90 seconds*pilot valve

 

 

 

 

 

 

closes, spark stops.

 

 

 

 

 

 

* Lockout timing is stamped on module.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IF FLAME CURRENT SENSED

 

 

 

 

 

 

Spark generator off

 

 

 

 

 

 

Second valve operator

 

 

 

 

 

 

(Main) opens.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MAIN BURNER OPERATION

 

 

 

 

 

 

 

Module monitors pilot

 

 

 

 

 

 

 

flame current.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

THERMOSTAT SATISFIED

 

 

 

 

 

 

 

 

Valves close. Pilot and

 

 

 

 

 

 

 

 

main burners are off.

 

 

 

 

 

 

 

17375-6-0705

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Image 37
Contents Installation Instructions Table of Contents Important Safety Information LP-GAS Warning Odor Safety Information for Users of LP GASIntroduction Fireplace Dimensions SpecificationsClearances Mantel Chart FigureLocating Fireplace Clearances FigureGAS Supply Installing a New Main Gas CockChecking Manifold Pressures Vent Systems Rear Vent ConversionConverting flue take-off to rear venting Framing and Finishing InstallationVent Pipe Clearance Framing Figure Flush Mount Mantel Installation FigureFinishing Figures 12 Combustible Surround Installation Flush Wall InstallationVent Runs Figures 14, 15, 16, 17 VERTICAL, 90 Elbow with Horizontal TerminationModel VERTICAL, 90 Elbow toVenting Fireplace TOP Venting Graph Dimensions in FeetTo Use the Vent Graph Figure Example aVenting Fireplace TOP Below Grade InstallationFireplace Hard Elbow Dimensions Series DVP42FP Examples TOP Vent RUN Theunit Caps Venting Fireplace RearExamples Rear Vent RUN Termination Clearances Vertical Sidewall InstallationsInformation on Various Venting Routes and Components Vent Clearances Vent System Identification Installing Vent Components FigureInstalling Firestops Figures 38, 39, 40 Installing Support Brackets FigureFraming and Finishing See Horizontal Termination Page 24 and Vertical Termination Horizontal TerminationDVVK-5F Flex Vent Instructions Installing the Vent System in a Chase General MaintenanceVertical Termination Determining Minimum Vent Height Above the RoofVertical Termination Reassembly and Resealing Vent Pipe SystemLOG Placement 3 LOG SET Millivolt System Operating InstructionsInitial Lighting Pilot Flame FigureTRW Standing Pilot Wiring Diagram Standing Pilot Lighting Instructions For Your Safety Read Before LightingFrequent pilot outage problem Standing Pilot TroubleshootingPilot and main burner extinguish while in operation Glass sootsElectrical Connection Figure Intermittent Pilot Operating InstructionsWhat to do if YOU Smell GAS For Your Safety Read Before LightingCheckout S8600H Intermittent Ignition Module SpecificationsOperation Trial for IgnitionMain Burner Operation Safety LockoutARC Length Action Ignition System Checks Check ignition cable. Make sureIntermittent Pilot Troubleshooting Functions Transmitter SignalReceiver Shutdown of Burner ThermopilesRF Transmitter Functions Wiring Diagram with Blower RF Standing Pilot Lighting Instructions Please Note Maintenance and ServiceParts View Parts List Blower Wheels Blower MotorVolt AC Optional Brick Liner Installation Instructions Junction BOX Wiring Installation InstructionsFBB4 AccessoriesService Notes HOW to Order Repair Parts Service Notes