Vermont Casting DV580, DV360 manual DV360/580 Series Direct Vent Gas Fireplace, Normal Operation

DV360/580 Series Direct Vent Gas Fireplace

Troubleshooting the Gas Control System

SIT 822 Valve with Synetek Electronic Control

Operating Diagram

Normal Operation

ON/OFF Switch Closed?

YES

Safe Start Check On?

YES

0 Sec Purge

NO

Abnormal Operation

5 sec Inter-Trial Delay

LED: Steady Flash?

Lockout: Flame detected out of sequence Reset by interrupting ON/OFF switch or power for 10 sec

LED: 5 Flashes?

Reverse power cord polarity

Ignition Trial: 30 sec Spark ON Pilot Valve ON. Has Flame been Detected within 30 sec?

Spark Off. Main Valve ON.

Pilot Flame Continuously

Monitored

Pilot Flame Sense OK?

ON/OFF Switch Opened?

YES

Pilot and Main Valve OFF?

YES

0 sec Post Purge?

Heating Cycle Complete LED:

OFF

NO

NO

LED: 2 Flashes?

Reset by interrupting ON/OFF switch for power for 10 sec

YES

Pilot, Valve OFF, Spark OFFNO Have three ignition trials been completed?

LED: 3 Flashes?

Lockout: Flame Loss

Reset by interrupting ON/OFF switch or power for 10 sec

YES	Main Valve OFF, Spark ON
	Has flame been detected within 30 sec?
			NO
		Have three pilot flame losses been		YES
		detected?

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