TOA Electronics SSDV-3328 fireplace FRAMING specifications, Proper Sizing of Gas Line

fireplace FRAMING specifications

Note-

Venting requirements for rear vent applications in corner installations -

- the horizontal vent length a to b, must not exceed 28 inches (711 mm)

Framing should be constructed of 2x4 or larger lumber.

*These dimensions occur when one 45	SV4.5HTSS & SV4.5HTSSL
degree elbow is connected directly to the	Termination
appliance collar and the unit moved 1/2
in. (13 mm) into the room. This 1/2 in.	*F = 5 in.
movement is required to achieve a min.	(127 mm)
of 5 in (127 mm) in the F dimension.

SV4.5HT-2 Termination

b

7 (178)

b

8-3/16 (208)

12

*34-5/16

(872)*24-1/4

(616)

a	*17-3/16
	(437)
33-1/8
(841)	Inches
*48-1/2	(millimeters)
(1232)

Back wall of chase/enclosure (including any finishing materials)

Figure 15	Corner Framing with Square Termination (SV4.5HT-2)
Proper Sizing of Gas Line						• A pipe joint compound rated for gas should be
			Schedule 40 / Black Iron Pipe
						used on the threaded joints. Ensure propane
			Inside Diameter (Inches)
Properly size and route the gas supply line						resistant compounds are used in propane
from the supply regulator to the area where			Schedule 40 Pipe	Natural	Propane	applications. Be very careful that the pipe
the appliance is to be installed per require-			Length (feet)	Gas	Gas	compound does not get inside the pipe.
ments outlined in the National Fuel Gas Code,			0-10	1/2	3/8	• It is recommended to install a sediment trap
NFPA 54 - latest edition (USA) or B149 - latest						in the supply line as close as possible to the
			10-40	1/2	1/2
edition (Canada).						appliance (see Figure 46). Appliances using
			40-100	1/2	1/2	Propane should have a sediment trap at the
Never use galvanized or plastic pipe. Refer to						base of the tank.
			100-150	3/4	1/2
Table 9 for proper sizing of the gas supply line,						• Check with local building official for local code
			150-200	3/4	1/2
if black iron pipe is being used. Gas lines must						requirements(i.e.arebelowgradepenetrations
be routed, constructed and made of materials			Table 9			of the gas line allowed, etc).
that are in strict accordance with local codes						IMPORTANT: If propane is used, be aware that
and regulations. We recommend that a quali-		Notes:
fied individual such as a plumber or gas fitter						if tank size is too small (i.e. under 100-lbs, if
		•	All appliances are factory-equipped with a
be hired to correctly size and route the gas						this is the only gas appliance in the dwelling.
			flexible gas line connector and 1/2 inch shutoff
supply line to the appliance. Installing a gas						Ref. NPFA 58), there may be loss of pressure,
			valve (see Figure 46 on Page 26 ).
supply line from the fuel supply to the appliance						resulting in insufficient fuel delivery (which
		•	See Massachusetts Requirements on Page
involves numerous considerations of materials,						can result in sooting, severe delayed ignition
protection, sizing, locations, controls, pressure,			4 for additional requirements for installations			or other malfunctions). Any damage resulting
sediment, and more. Certainly no one unfamiliar			in the state of Massachusetts in the USA.			from an improper installation, such as this, is
and unqualified should attempt sizing or install-		•	The gas supply line should Not be connected			not covered under the limited warranty.
ing gas piping.			to the appliance until Step 6 (Page 26).

NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.