Raypak 0090B 0135B installation instructions Vent Damper, Flair Damper

VENT DAMPER

NORMAL OPERATION SUMMARY

For safe, efficient operation, the vent damper and all flue product carrying areas of the appliance must be checked annually, with particular attention given to deterioration from corrosion or other sources.

Check vent damper operation as follows:

1. When the boiler is off, check that the vent damper position indicator points to the closed position, below.

DAMPER	DAMPER
POSITION	POSITION
INDICATOR	INDICATOR

DAMPER OPEN DAMPER CLOSED

NOTE: To place vent damper in the open position to allow burner operation do the following:

Turn the power off, turn the damper blade to fully open position (arrow facing same direction as vent pipe). Turn power on.

Fig. # 8181.0

& CLOSED POSITIONS.

2.Turn the thermostat or controller up to call for heat and check that the vent damper indicator points to the open position, below.

3.Turn the thermostat or controller down again and check that the vent damper position indicator returns to the closed position.

THE VENT DAMPER MUST BE INSPECTED AT LEAST ONCE A YEAR BY A TRAINED, EXPERIENCED SERVICE TECHNICIAN. THE NAME OF THE PERSON WHO ORIGINALLY INSTALLED YOUR VENT DAMPER IS SHOWN ON THE INSTALLATION LABEL. DAMPER MUST BE IN OPEN POSITION WHEN BOILER MAIN BURNERS ARE OPERATING.

FLAIR DAMPER

SYSTEM SCHEMATIC LEGEND

					M - Damper motor
					R - Relay
		R			ES - End Switch
					SS1 - N/C Safety switch
					SS2 - N/O Safety switch
		R2	SS2	ES	contacts
					TR - Transformer 120/24V
					HL - High limit
	SC				GV - 24V gas Valve*
			SS 1		TH - Thermostat, heating,
		R1			low voltage
					J - Jumper
			JUMPER
					* Note: Circuit shown with
		M
					damper in closed
	1	2	3	4	position, no call
					for heat.
	GV	HL
				TH
	24 VAC				Fig. #9002
		TR
	120 VAC
L	60Hz	L			9
	1	2

LADDER DIAGRAM

24	V	AC
TH	R
2
4			GV
		SS
3	J		HL
		1
ES
	SS	R
	2	2	SC
M			R 1

Fig. #9003