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FIGURE 3. Framing Dimensions
1.0 INSTALLATION INSTRUCTIONS
In planning the installation for the heater it is neces-
sary to determine where the unit is to be installed, the
type of flue system to be used (straight out, corner, or
elevated), and whether optional accessories (wall
switch or remote control) are desired. Gas supply pip-
ing should also be planned. Refer to the appliance
data plate on the base pan of the heater for all gas
pressures and input rate information.
The heater can be mounted on any of the following
surface:
1. A flat surface (minimun 6mm base).
2. Four (4) corner supports.
(Example: Four (4) concrete masonry blocks). These
supports must be positioned so they contact all four
(4) perimeter edges on the bottom of the unit.
Heater framing can be built before or after the heater is
set in place. Framing should be positioned to accom-
modate wall covering and heater facing material. The
heater framing should be constructed of 2" X 4" (51 x
102mm) lumber or heavier. The framing headers may
rest on the heater standoffs. Refer to Figure 2 and
Figure 3 for heater and framing reference dimensions.
CAUTION:
Measure heater dimensions, and verify
framing methods and wall covering details before fram-
ing construction begins.
1.1 INTRODUCTION
This model is designed to operate with all combustion air
being siphoned from the outside of the building and all
exhaust gases expelled to the outside of the building.
WARNING: THIS UNIT IS NOT FOR USE WITH
SOLID FUEL.
These units MUST use the flue termination described
in the flueing section of the manual.
The control system for these models are a millivolt
type. It consists of a gas control valve/variable regu-
lator, a standing pilot/thermopile/thermocouple, a piezo
ignitor, and an ON/OFF switch. The controls are located
behind the lower grille. Access to the controls is gained
by rotating the grille up. See Figure 1.
Minimum inlet gas supply pressure for purpose of input
adjustment is 4.5 inches w.c. (1.13kPa) for natural gas
and 11 inches w.c. (2.75kPa) for propane. Manifold (oulet)
pressures should be set at 3.0 inches w.c. (.75kPa) for
natural gas models and 9.6 inches w.c. (2.40kPa) for
propane models.
Framing should be constructed
of 2 X 4 lumber or heavier.
The framing headers may rest on
the fireplace stand-offs.
Model
A
B
C
D
E
SL-550TRS-AU
37" (940mm)
33
1/2
" (851mm) 17
1/4
" (438mm)
36
1/2
" (927mm)
22" (559mm)
A
B
C
D
E
SL-550TRS-AU
37
17
1/4
29
3/8
41
1/2
58
3/4
(940mm) (438mm) (746mm) (1054mm) (1492mm)
NOTE: DIMENSIONS SHOWN WITH THE SIDES,
BACK AND/OR CORNERS OF THE UNIT TOUCH-
ING THE WALL.
Figure 2.
Fireplace Dimensions, Locations, and
Space Requirements
NOTE: Combustible
materials must not be
used to enclose the
top of the heater.
A
B
C