Vermont Casting SDDVT manual Gas Specifications, Gas Inlet and Manifold Pressures, High Elevations

Stardance Direct Vent/Natural Vent Gas Heater

	Gas Specifications
						Max.	Min.
						Input	Input
Model		Fuel		Gas Control		BTU/h	BTU/h
SDDVT Series		Nat		Millivolt		28,000	20,000
SDDVT Series		Prop		Millivolt		28,000	20,000
SDDVTC Series		Nat		Comfort Control		28,000	22,000
SDDVTC Series		Prop		Comfort Control		28,000	22,000
		Air Shutter Setting
Minimum rear injector air inlet openings.
Model		Natural Gas				LP
Direct Vent			1/2” Open		1/2” Open
Natural Vent			1/2” Open		1/2” Open
Weight: Fully assembled; 202 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.

Stardance 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 mani- fold 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 cer- tified 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 au- thorities having jurisdiction for installations at eleva- tions above 4,500 feet (1,370m).

WARNING: Improper installation, adjustment, alteration, service or maintenance can cause in- jury 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.

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 termination must also meet the criteria shown in Figures 9 through 11.

•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˚ el- bows may be used.

	40
	39
	38
	37
	36
pipe.)	35
	34
vent	33
									May		use		up		to
	32
									three		90°		Elbows
the
	31
of	30
top
	29
feet)(inRunVertical collarflueappliancetheto the
	28
	27
	26
	25
	24
	23
	22
	21
from	20
	19
(Measured
	18
	16
	15
	14
	13
	12
	11
	10
	9
	8
	7
	6
	5		One		90°
	4
	3		Elbow											Unacceptable
	2
											Venting Configureation
	1
	0
	1	2	3	4		5	6	7	8	9	10	11		12		13	14	15	16	17	18		19	20
							Horizontal Run (in feet)															ST134a
Fig. 7 Horizontal vent termination window.

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