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ALL MODELS
Make sure that the flue collar gasket, as shown on Figure
18, is in place over the flue extension. Check to see if
header plate gaskets are in place.
Hold the furnace at a slight angle (top closer to the wall
than bottom) with the flue extension centered under the
oval hole in the header plate.
NOTE
Electrical wiring should already be routed to the header
plate. If not, see sections on ELECTRICAL SUPPLY ROUGH-
IN, page 12.
Place three (3) square gaskets over the junction box. See
Figure 18.
ALL MODELS (RECESSED MOUNT)
Lift furnace up so that the flue extension enters the
oval hole in the header plate. Straighten the furnace by
pushing furnace bottom into the stud space.
IMPORTANT
AFTER FURNACE HAS BEEN PLACED IN POSITION,
MAKE SURE THE GASKETS ARE PRESSING AGAINST THE
FURNACE TOP TO ELIMINATE AIR LEAKS.
FASTEN FURNACE BOTTOM (SURFACE AND RECESSED
MOUNT)
NOTE
Fasteners are not furnished because of different
requirements of various types of wall construction.
FIGURE 20 - FURNACE MOUNTING
Fasten furnace to floor through holes provided in furnace
bottom. If you have concrete flooring, use an alternate
fastening method. See Figure 20
If burner and control assembly were removed, replace
them by reversing "DISCONNECT WIRING" and "REMOVE
BURNER AND CONTROLS" sections on page 18.
IMPORTANT
To prevent damage to wiring, make sure not to pinch the
wires between furnace components. Keep them routed
away from the burner.
Re-secure the air discharge shield across the top of the
burner and controls compartment. Small leg of "L" shape
must be positioned toward floor, pointing away from front
of furnace. Refer to the illustration on Page 34 or 35.
FASTEN FURNACE TOP (SURFACE MOUNTING)
Fasten furnace top to wall using two (2) metal anchors
(packed in plastic bag with thermostat) by placing them
over the back flange of furnace top and screwing to wall.
Refer to Figure 20.
FASTEN FURNACE TOP (RECESSED MOUNTING)
Fasten furnace top by drilling two (2) holes through the
side flanges of furnace top and securing with two (2)
screws or nails into the wall studs. Refer to Figure 20.
CAUTION: Be careful not to damage furnace
components or wiring when drilling holes.
Gas Supply and Piping
Gas control valve, within the furnace, is shipped with a seal
over the gas inlet tapping. Do not remove seal until ready
to connect piping.
WARNING: Danger of property damage, bodily
injury or death. Make sure the furnace is equipped
to operate on the type of gas available. Models
designated as natural gas are to be used with
natural gas only. Furnace designated for use with
liquefied petroleum propane gas rate orifices sized for
commercially pure propane gas. They cannot be used
with butane or a mixture of butane and propane.
GAS SUPPLY
For natural gas, the minimum inlet gas supply pressure for
the purpose of input adjustment is 5" water column. The
Maximum inlet gas supply pressure is 7" water column.
For propane gas, the minimum inlet gas supply pressure for
the purpose of input adjustment is 11" water column.
The maximum inlet gas supply pressure is 13" water column.
Gas pressure and input to the burners must not exceed
the rated input and pressure shown on the rating plate.
COUNTERFLOW TOP VENT GAS WALL HEATER
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