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Thermostat
Installation
(Con't)
When all is adjusted properly, the furnace burner should
shut off slightly before the desired room temperature
is
reached. The stored heat in the appliance is enough to
bring room temperature
up to desired level. The heat
anticipator thus makes it possible to maintain very close
temperature
control.
Vent Installation
WARNING
DANGER OF PROPERY DAMAGE,
BODILY INJURY OR DEATH.
PROPER VENT INSTALLATION IS CRITICAL TO
THE
SAFE OPERATION
OF THE
FURNACE.
THEREFORE,
CAREFULLY READ AND FOLLOW
ALL
THE
INSTRUCTIONS
GIVEN
IN THIS
SECTION.
The following instructions are for either surface or recess
mounted wall furnace.
USE ONLY THE VENT ASSEMBLY SUPPLIED.
IMPORTANT
ALL JOINTS IN THE INLET AND VENT TUBES AND
ALL GASKETS MUST BE TIGHT.
INSTALLATION IN ANY OTHER MANNER VOIDS
THE A.G.A. DESIGN CERTIFICATION AND WILL
AFFECT THE WARRANTY.
Refer to Fig. 18, pg. 13 for the name and location of the
vent parts.
DETERMINE PROPER LENGTHS
f
IMPORTANT
To prevent harmful flue gases from entering the
house, make sure NOT to trim air or vent tubes
shorter than specified below.
Air inlet air tube W and vent tube 'B' are supplied
in
lengths to handle wall thickness
up to 12 inches.
To find the correct vent and air tube length, measure
exact distance
'X' between surface on which back of
cabinet will rest (inside of recessed cavity or face of wall
when freestanding) and the outside wall surface. See Figs.
17 & 18- pg. 13.
Inlet air tube W -- Add 7/8 inch to dimension 'X'. Mark
on tube starting from end with collar and holes. Cut off
evenly. File off any burrs resulting.
Vent tube 'B' -- Add 2-118 inches to dimension 'X'. Mark
on tube starting from end with collar and holes. Cut off
evenly. File off any burrs resulting.
CUT
ONLY THE PLAIN
END (WITHOUT
FLANGE)
OF THE TUBES. MAKE A SQUARE CUT TO EXACT
LENGTH.
I
U,
\\,l
X
WALL THICKNESS
.--,,--.--d
",----'----I
SURFA(_
MOUNI
U,i
LJ
i\
/
-X
WALL
WIIH
SIOtNG
/
HELPFUL CUTTING HINT
To make a straight cut, measure from the end and mark
tube in several places. Align a piece of tape with the marks
and wrap around the tube. Use the edge of the tape as
a guide to help keep the cut straight.
ATTACHING TUBE TO FURNACE
The smaller diameter vent tube (Fig. 18--"B", pg. 13) must
be installed first.
The easiest way to install the vent tubes and get the
gaskets positioned properly is to have the furnace lying
front down on a flat surface.
IMPORTANT
Be sure not to use longer screws than specified,
as
this could keep the furnace from functioning properly.
I
1. Attach vent tube (Fig. 18--"B",
pg. 13) and gasket to
the back of the furnace heat exchanger with (8) #8 x 3/8
inch sheet metal screws provided.
2. Attach air tube (Fig. 18--"A", pg. 13) and gasket to the
back of the furnace casting with (8) #8 x 3/8 inch sheet
metal screws provided.
--12--
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