Gas Speciﬁcations, High Elevations | Vermont Casting 3360, 3399

Gas Speciﬁcations

					Max.	Min.
					Input	Input
	Model	Fuel	Gas Control		BTU/h	BTU/h
	RDVODRN	Nat		Millivolt	35,000	25,000
	RDVODRP	Prop		Millivolt	35,000	27,500
	RDVODRFN	Nat	Comfort Control		35,000	25,000
	RDVODRFP	Prop	Comfort Control		35,000	27,500
Weight: Fully assembled; 350 lbs.

	Gas Inlet and Manifold Pressures

				Natural	LP (Propane)
	Inlet Minimum			5.5” w.c.	11.0” w.c.
	Inlet Maximum			14.0” w.c.	14.0” w.c.
	Manifold Pressure			3.5” w.c.	10” w.c.

Radiance Direct Vent/Natural Vent

Certiﬁed to:

ANSI Z21.88-2005 / CSA 2.33-2005

Vented Gas Fireplace Heaters

The installation of your Vermont Castings stove must conform with local codes, or in the absence of local codes, with the National Fuel Gas Code ANSI Z223.1/NFPA 54 - latest edition, or CSA B149.1 Installation code. (EXCEPTION: Do not derate this appliance for altitude up to 4,500 feet (1,370m). Maintain the manifold pressure at 3.5” w.c. for Natural Gas and 10.0” w.c. for LP Gas.

High Elevations

Input ratings are shown in BTU per hour and are certiﬁed without deration for elevations up to 4,500 feet (1,370m) above sea level.

For elevations above 4,500 feet (1,370m) in USA, installations must be in accordance with the current ANSI Z223.1/NFPA 54 and/or local codes having jurisdiction.

In Canada, please consult provincial and/or local authorities having jurisdiction for installations at elevations above 4,500 feet (1,370m).

WARNING: Improper installation, adjust- ment, alteration, service or maintenance can cause injury or property damage. Refer to this manual for correct installation and operational procedures. For assistance or additional information consult a qualiﬁed installer, service agency, or the gas supplier.

Radiance Direct Vent /Natural Vent Gas Heater

Horizontal Termination -

Direct Vent ONLY

The vent must rise vertically a minimum of 24” (610mm) off the top of the unit, before the ﬁrst elbow. The hori- zontal run may extend up to 20’ (6m) and include a vertical rise of up to 40’ (12m). (Fig. 7) Horizontal termi- nation must also meet the criteria shown in Figures 10 through 12.

•Approved vent systems must terminate above and including the heavy line in Figure 7.

•Two 45˚ elbows may be substituted for each single 90˚ elbow.

•With a rise between 2’ - 5’, one 90˚ or two 45˚ elbows may be used.

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Fig. 7 Horizontal vent termination window.

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