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Idiomas disponibles
Idiomas disponibles
12
Sentry Tube Heaters
17. Any defects found in performing any of the service
procedures must be eliminated and defective parts
replaced immediately. Retest the heater before
placing it back into service.
19. Do not exceed input rating stamped on the
dataplate of the heater. Do not exceed the burner
manifold pressure stated on the dataplate. Do
not use an orifice size different than specified for
the specific input rating of this heater, fuel type
configuration and altitude.
Initial Setup
1. Plan the installation. Determine location for the heater
to optimize its heat pattern, keeping in mind cooler
regions in the house (end walls, and curtains) and
clearances to combustibles.
2. Hang the burner box, see Fig. 5. Models ST100/
ST125 install eye bolts before hanging, see Fig. 5a.
Maintain clearances to combustibles as shown in
Fig. 1.
3. From the burner box chain, measure the distances
shown in Fig. 6 or 7. Aligning to the center
of the burner box discharge, hang chains at
these points, using open eye hooks.
FIG. 5 (ST60/ST80 shown)
JOIST
OPEN EYE HOOKS
IN LINE WITH
EYE BOLTS ON
BURNER BOX
OPEN EYE BOLT
.30m
BURNER
DISCHARGE
FIG. 5a
Owner's Manual • Sentry
FIG. 6
FIG. 6
A
CENTERS
* A support must be created between the trusses
Hanging the Tubes
Refer to Fig. 7 (on next page) and the following instruc-
10
tions:
1. Slide a tube clamp over the non-swaged end of the
10 ft. tube.
2. Install the tube over the swaged discharge tube on the
burner box:
TIGHTEN HOOKS
SECURELY
a. Tube weld seam must be down.
b. Non-swaged end of tube must be
c. Clamp must be centered over tube
d. Clamp bolts must be up.
e. Clamp bolts must be tight.
-- Tighten both bolts firmly.
-- Tighten both bolts to 35 ft.-lbs.
-- Finish tightening bolts to 65 ft. lbs.
BURNER BOX
BURNER BOX
B
C
D
HANGING CHAIN DISTANCES
TRUSS
HEATER
A - B B - C C - D D - E
CENTERS
LENGTH
(FT)
20 FOOT
4
4 FOOT
50 FOOT
4
20 FOOT
TRUSS
HEATER
A-B
5
5 FOOT
50 FOOT
5
5*
20 FOOT
50 FOOT
5
10 FOOT
LENGTH
(FT)
* A SUPPORT MUST BE CREATED BETWEEN THE TRUSS
4 FT
30 FT
4
40 FT
4
5 FT
30 FT
5
40 FT
5
10 FT
30 FT
5*
40 FT
5*
completely pushed over swaged end of
adjoining tube.
connection.
BURNER
DISCHARGE
HANGING CHAINS
HANGING CHA
E
F
(FT)
(FT)
(FT)
4
8
4
4
8
12
B-C
5
C-D
D-E
5
E-F
5
5
10
10
5*
5
5
5
10
*
10
(FT)
(FT)
(FT)
(FT)
4
12
8
X
4
12
8
12
5
10
10
X
5
10
10
5
5
10
10
X
5
10
10
5*
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