Raypak 0180B Type H manual Flair Damper, Abbreviation Description

NOTE: To place vent damper in the open position to

allow burner operation: Turn the power off. Turn the damper blade to fully open position (arrow facing same direction as vent pipe). Turn power on.

2.Turn the thermostat or controller up to call for heat and check that the vent damper indicator points to the open position, as shown in Fig. 11.

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 techni- cian. The name of the person who originally installed your vent damper is shown on the instal- lation label. Damper must be in open position when boiler main burners are operating.

Flair Damper

R

R2 SS2 ES

	SC		SS 1
		R1
			JUMPER
		M
	1	2	3	4
	GV	HL
			TH
	24 VAC
		TR
	120 VAC
L	60Hz	L
	1	2

Note: Circuit shown with damper in closed position, no call for heat.

Fig. 12: System Schematic

24 V AC

TH	R
2
4			GV
		SS
3	J		HL
		1
ES
	SS	R
	2	2	SC
M			R 1
Fig. 13: Ladder Diagram

Abbreviation	Description
M	Damper Motor
R	Relay
ES	End Switch
SS1	N/C Safety Switch
SS2	N/O Safety Switch
TR	Transformer, 120/24V
HL	High Limit
GV	24V Gas Valve
TH	Thermostat, Heating, Low Voltage
J	Jumper

Table G: Legend for Figures 12 & 13

13