Hearth and Home Technologies ST-550TM-IPI owner manual Covered Alcove Applications

			E
C			A		F
V
J	B				U.S
	V	V	B
				B	(3 FT.)
			V
		i
	D	V	V		G	M	X
			A			V

H OR i

		O				V
			N
	P					L
R				V	K	Electrical	K	V
						Service

C

Q

V

(See Note 2)

Measure vertical clearances from this surface.

Measure horizontal clearances from this surface.

	V	= VENT TERMINAL		X = AIR SUPPLY INLET
A		=	12 inches	clearances above grade, veranda,
			(See Note 1)	porch, deck or balcony
B		=	12 inches	clearances to window or door
				that may be opened, or to perma-
				nently closed window. (Glass)
C		=	18 inches	vertical clearance to unventilated
				soffit or to ventilated soffit located
				above the terminal
			30 inches	for vinyl clad soffits and below
				electrical service
D		=	9 inches	clearance to outside corner
E		=	6 inches	clearance to inside corner
F		=	3 ft. (Canada)	not to be installed above a gas
				meter/regulator assembly within 3
				feet (90 cm) horizontally from the
				center-line of the regulator
G		=	3 ft	clearance to gas service regulator
H		=	9 inches (U.S.A.)	vent outlet
			12 inches (Canada) clearance to non-mechanical
			(See Note 2)	air supply inlet to building or the
				combustion air inlet to any other
i		=	3 ft. (U.S.A.)	appliance
			6 ft. (Canada)	clearance to a mechanical (pow-
			(See Note 2)	ered) air supply inlet

**a vent shall not terminate directly above a sidewalk or paved driveway which is located between two single family dwellings and serves both dwellings.

***only permitted if veranda, porch, deck or balcony is fully open on a minimum of 2 sides beneath the floor, or meets Note 2.

Note 1: On private property where termination is less than 7 feet above a sidewalk, driveway, deck, porch, veranda or balcony, use of a listed cap shield is suggested. (See vents components page)

Note 2: Termination in a covered alcove space (spaces open only on one

side and with an overhang) are permitted with the dimensions specified for vinyl or non-vinyl siding and soffits. 1. There must be 3 feet minimum between termination caps. 2. All mechanical air intakes within 10 feet of a termination cap must be a minimum of 3 feet below the termination cap. 3. All gravity air intakes within 3 feet of a termination cap must be a minimum of 1 foot below the termination cap.

Figure 6.4 Minimum Clearances for Termination

= AREA WHERE TERMINAL IS NOT PERMITTED

J**	=	7 ft	clearance above paved
		(See Note 1)	sidewalk or a paved driveway
			located on public property
K	=	6 inches	clearance from sides of electri-
		(See Note 5)	cal service
L	=	12 inches	clearance above electrical
		(See Note 5)	service

Covered Alcove Applications

M*** =		18 inches	clearance under veranda, porch,
			deck, balcony or overhang
		42 inches	......... vinyl
N	=	6 inches	non-vinyl sidewalls
		12 inches	......... vinyl sidewalls
O	=	18 inches	......... non-vinyl soffit and overhang
		42 inches	......... vinyl soffit and overhang
P	=	8 ft.
			QMIN	RMAX
	1 cap		3 feet	2 x Q ACTUAL
	2 caps		6 feet	1 x Q ACTUAL
	3 caps		9 feet	2/3 x Q ACTUAL
	4 caps		12 feet	1/2 x Q ACTUAL

QMIN = # termination caps x 3 RMAX = (2 / # termination caps) x QACTUAL

Note 3: Local codes or regulations may require different clearances.

Note 4: Termination caps may be hot. Consider their proximity to doors or other traffic areas.

Note 5: Location of the vent termination must not interfere with access to the electrical service.

In the U.S and Canada: Vent system termination is NOT permitted in screened porches.

Vent system termination is permitted in porch areas with two or more sides open. You must follow all side walls, overhang and ground clearances as stated in the instructions.

Heat & Glo assumes no responsibility for the improper performance of the appliance when the venting system does not meet these requirements.

CAUTION: IF EXTERIOR WALLS ARE FINISHED WITH VINYL SIDING, IT IS SUGGESTED THAT A VINYL PROTECTOR KIT BE INSTALLED.

22 Heat & Glo • ST-550TM-IPI • 2142-900 Rev. B • 11/08