Monessen Hearth CDV7 manual General Venting Information Termination Location

CDVSC7 & CDV7 Series Gas Fireplace Venting INSTALLATION INFORMATION

General Venting Information - Termination Location

Figure 8 - Termination Locations

				INSIDE
				CORNER DETAIL
				G
				V
			A			H
D
E
V
L	C		B
B	V
		Fixed			B	V
		Closed	V
					Fixed
		Operable		Operable
					Closed
F	V
						B
				V			M
	B		B		J	X
							V	K	X
CFM145a				A		I

V VENT TERMINATION X AIR SUPPLY INLET AREA WHERE TERMINAL IS NOT PERMITTED

			Canadian Installations1	uS Installations2
	A =	Clearance above grade, veranda, porch,	12” (30 cm)	12” (30 cm)
	deck, or balcony
	B = Clearance to window or door that may be		6” (15 cm) for appliances	6” (15 cm) for appliances
		opened	< 10,000BTU/h (3kW), 12” (30 cm)	< 10,000 BTU/h (3kW), 9”
			for appliances > 10,000 Btuh (3kW) and	(23 cm) for appliances > 10,000
			< 100,000 BTU/h (30kW), 36” (91 cm)	Btuh (3kW) and < 50,000 BTU/h
			for appliances > 100,000 BTU/h (30kW)	(15kW), 12” (30 cm) for
				appliances > 50,000 BTU/h(15kW)
	C = Clearance to permanently closed window		12” (305 mm) recommended to	12” (305 mm) recommended to
			prevent window condensation	prevent window condensation
	D = Vertical clearance to ventilated soffit located
	above the terminal within a horizontal		18” (458 mm)	18” (458 mm)
	distance of 2’ (610mm) from the center
	line of the terminal
	E = Clearance to unventilated soffit		12” (305 mm)	12” (305 mm)
	F =	Clearance to outside corner	see next page	see next page
	G = Clearance to inside corner (see next page)		see next page	see next page
	H = Clearance to each inside of center line		3’ (91 cm) within a height of 15’ (5 m)	3’ (91 cm) within a height of 15’
		extended above meter/regulator assembly	above the meter/regulator assembly	(5 m) above the meter/regulator
				assy
	I =	Clearance to service regulator vent outlet	3’ (91 cm)	3’ (91 cm)
	J =	Clearance to nonmechanical air supply inlet	6” (15 cm) for appliances < 10,000	6” (15 cm) for appliances
		to building or the combustion air inlet to any	BTU/h (3kW), 12” (30 cm) for	< 10,000 BTU/h (3kW), 9”
		other appliances	appliances > 10,000 BTU/h (3kW) and	(23 cm) for appliances > 10,000
			< 100,000 Btuh (30kW), 36” (91 cm)	BTU/h (3kW) and < 50,000 BTU/h
			for appliances > 100,000 BTU/h (30kW)	(15kW), 12” (30 cm) for
				appliances > 50,000 BTU/h(15kW)
	K =	Clearance to a mechanical air supply inlet	6’ (1.83 m)	3’ (91 cm) above if within 10'
				(3 m) horizontally
L =		Clearance above paved sidewalk or paved	7’ (2.13 m)†	7’ (2.13 m)†
		driveway located on public property
	M = Clearance under veranda, porch, deck or		12” (30 cm)	12” (30cm)
		balcony

1 In accordance with the current CSA-B149 Installation Codes

2 In accordance with the current ANSI Z223.1/NFPA 54 National Fuel Gas Codes

†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 2 sides beneath the floor:

NOTE: 1. Local codes or regulations may require different clearances.

2.The special venting system used on Direct Vent Fireplaces are certified as part of the appliance, with clearances tested and approved by the listing agency.

3.MHSC assumes no responsibility for the improper performance of the appliance when the venting system does not meet these requirements.

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