Shelter Furnace SF3042 Owner's Manual download pdf (Page 4)

General Information

ALWAYS KEEP YOUR WOOD COVERED YEAR ROUND; DRY WOOD WILL PRODUCE MORE BTU OUTPUT AND LONGER BURN

TIMES.

The Shelter SF3042 is an airtight central solid fuel outdoor furnace engineered to accommodate the heating requirements of the average

sized home, even during winter’s coldest months. It is constructed of high grade, heavy gauge steel and is continuously welded to assure

the utmost in structural strength. The insulated 8.9 cubic foot rebox will accommodate a log up to 28 inches in length. In addition, the

heat exchanger is lined with rebrick to ensure many years of energy efcient service.

The design of the secondary combustion chamber increases fuel efciency by creating a “secondary burn” of smoke and wood gases

before they are vented up the chimney. By sending the gases back through the secondary combustion chamber, less fuel is wasted, the

furnace burns at a higher efciency, and for longer burn times.

The cast iron door is custom tted to provide an airtight seal, greatly extending the burn time and ensuring maximum efciency in fuel

consumption. The heavy-duty cast iron grates aid in convenient ash removal and reduce maintenance; the insulated wrap-around sides

are designed for maximum heat transfer. The weather-resistant service door offers protection for the fuel door and ash door from the

elements.

For total comfort and convenience, a thermostatically controlled 1800 CFM circulation blower system has been installed. The blower

draws the cold air from the home, across the heat chamber before going through the hot air duct and returning the warm air to your home.

This fully automatic blower furnishes rapid heat disbursement to your home, minimizing recovery time. Average burn time per load of

fuel is 6 to 12 hours depending on wood or coal type and condition, desired temperature within the home and amount of fuel. We have

incorporated all of these features as standard equipment, offering you the most efcient, durable and affordable appliance possible.

Abnormally cold weather could reduce the burn time.

Your Shelter Furnace is designed to be either a supplemental or central heating source for your home. This wood and coal burning

furnace may be installed parallel with a properly operating electric, gas or oil-red central furnace, listed or certied in accordance with a

nationally recognized safety standard, and within clearances specied on Shelter Furnace nameplate. When in a parallel installation the

static pressure of the central furnace plenum may not exceed 0.15” water column and the maximum setting on central furnace limit switch

is 182°F. With the Shelter Furnace in an “Interconnection Arrangement” your furnace should be upstream of the central furnace. The

Shelter Furnace warm air supply should never be connected to return air for the central furnace. A qualied installer should perform the

installation.

The SF3042 is a wood and coal burning furnace – it cannot be turned “off and on” to control the furnace temperature like gas or electric

furnaces. Once the re is established, it has to burn until it burns itself out.

INCLUDED WITH YOUR SF3042 SHELTER FURNACE:

2 – 10” starter collars

1 – 12” starter collar for cold air return

1 – owner’s manual with warranty card

1 – electrical control kit (shipped on top of furnace)

1 – tube of high-temp silicone caulk

1 – draft motor shield

ELECTRICAL CONTROL KIT PARTS:

6 – ¼” bolts

2 – ¼” nuts

23 – #10 green screws with rubber gasket for blower housing cover

4 - #10 x ¾” screws for fan limit control box

1 – draft blower

1 – cover for fan limit control

1 – fan limit control with wire conduit

1 – blower motor and housing

1 – electrical control box

1 – wall thermostat (you must purchase 2-wire thermostat wire separately)

1 – blower housing cover

1 – blower housing bottom

4 – U nuts for blower housing

2 - #10-32 machine screws

2 - #10-32 nuts

4 - #10 screws for chimney adaptor plate

1 – spare fuse link

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Shelter Furnace SF3042 Owner's Manual Page 4

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