INSTALLATION AND OPERATION
INSTRUCTIONS
MODEL: ST-38HV-AU
AUSTRALIAN GAS ASSOCIATION APPROVED
APPROVAL NUMBER 6027
THIS MANUAL MUST BE USED FOR INSTALLATION AND RETAINED
BY HOMEOWNER FOR OPERATION AND MAINTENANCE.
HEAT & GLO, a brand of Hearth & Home Technologies Inc.
20802 Kensington Blvd., Lakeville, MN 55044, USA • (952) 985-6000
This product may be covered by one or more of the following patents: (United States) 4593510, 4686807, 4766876, 4793322, 4811534, 5000162, 5016609, 5076254, 5113843, 5191877, 5218953, 5263471,
5328356, 5341794, 5347983, 5429495, 5452708, 5542407, 5601073, 5613487, 5647340, 5688568, 5762062, 5775408, 5890485, 5931661, 5941237, 5947112, 5996575, 6006743, 6019099, 6048195,
6053165, 6145502, 6170481, 6237588, 6296474, 6374822, 6413079, 6439226, 6484712, 6543698, 6550687, 6601579, 6672860, 6688302B2, 6715724B2, 6729551, 6736133, 6748940, 6748942, 6769426,
6774802, 6796302, 6840261, 6848441, 6863064, 6866205, 6869278, 6875012, 6880275, 6908039, 6919884, D320652, D445174, D462436; (Canada) 1297749, 2195264, 2225408, 2313972; (Australia)
780250, 780403, 1418504 or other U.S. and foreign patents pending.
675-900D 11/05
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TABLE OF CONTENTS
1.0 INSTALLATION INSTRUCTIONS. ................................................................... 4
1.1 Locating the Heater ..................................................................................... 5
1.2 Framing the Heater ..................................................................................... 6
1.3 Flue SystemApprovals and Installation ........................................................ 8
1.4 Connecting the Gas Supply ......................................................................... 17
1.5 Fan ............................................................................................................. 17
1.5.1 Installing the Electrical Service to the Junction Box.................................... 19
1.6 Mantel Clearances ...................................................................................... 19
1.7 Log Installation ............................................................................................ 19
1.8 Installer Testing ............................................................................................ 23
2.0 OPERATING INSTRUCTIONS. ........................................................................ 23
2.1 Safety and Lighting Information .................................................................... 24
2.2 Safety Information........................................................................................ 25
2.3 Lighting Instructions ..................................................................................... 25
2.4 Fan Operation ............................................................................................. 26
3.0 SERVICING AND MAINTENANCE. ................................................................. 26
3.1 Removal of Covers for Servicing ................................................................. 27
3.2 Removal of Components for Service ........................................................... 27
3.3 Parts Replacement...................................................................................... 27
3.4 Adjustments and Replacement Parts ........................................................... 27
3.5 Troubleshooting ........................................................................................... 28
4.0 REPLACEMENT PARTS. ................................................................................ 32
Î
Limited Warranty ............................................................................................... 34
Î = Contains updated information.
3
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1.0 INSTALLATION INSTRUCTIONS
When planning a heater installation, it’s
necessary to determine:
• Whether optional accessories—devices such
as wall switch, or remote control—are desired.
• Where the unit is to be installed.
• The vent system configuration to be used.
• Gas supply piping.
• Electrical supply wiring.
• Framing and finishing details.
If the heater is to be installed on carpeting or tile,
or on any combustible material other than wood
flooring, the heater should be installed on a metal
or wood panel that extends the full width and depth
of the heater.
Ø 8 5/8
(219mm)
25 7/8
(657mm)
11 5/16
(287mm)
35 5/16
(897mm)
40 5/8
(1032mm)
29 1/8
(740mm)
35 1/8
(892mm)
2
(52mm)
31 3/16 (792mm)
2
1 1/2
(52mm)
(38mm)
38 1/4 (972mm)
40 3/4 (1034mm)
3 1/16
(79mm)
3 3/8
(85mm)
22 11/16
(576mm)
TOP STANDOFFS
FLUE COLLAR
FLUE COLLAR
TOP
GRILL
GLASS
DOOR
BOTTOM
GRILL
GAS CONTROLS
& LABELS
GAS LINE
ACCESS
ELECTRICAL
ACCESS
Figure 1. Diagram of ST-38HV-AU
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1.1 Locating the Heater
The diagram (See figure 2) shows space and
clearance requirements for locating a heater
within a room.
36” (914mm)
Clearance Requirements
The top, back, and sides of the heater are
defined by stand-offs.
1” (25mm)
The minimum clearance to a perpendicular
wall extending past the face of the heater is
one inch (25mm). The metal ends of the heater
may NOT be recessed into combustible
construction.
36” (914mm)
Figure 2. Heater Dimensions, Locations,
and Space Requirements
Minimum Clearances from the Heater to
Combustible Materials
Glass
Front
Exhaust Side Opposite Side
Top of
Heater
Floor
of Heater
of Heater
Ceiling
36 inches
(914 mm)
0
2-1/2 inch
(64 mm)
0
5-1/2 inches
(127 mm)
36 inches
(914 mm)
NOTE: The clearance to the ceiling is measured from the top of the unit excluding
standoffs.
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Minimum Clearances from the Flue Pipe to
Combustible Materials
For Vertical
Sections
For Horizontal Sections
At Wall Firestops
Top
Bottom
Sides
Top
Bottom
Sides
3 inches 1 inch
(75mm) (25mm) (25mm)
1 inch
1 inch
(25mm)
2-1/2 inches 1/2 inch
(64mm)
1 inch
(13mm) (25mm)
For minimum clearances, see the direct vent
termination clearance diagrams on page 7.
CAUTION: MEASURE HEATER DIMENSIONS
AND VERIFY FRAMING METHODS AND WALL
COVERING DETAILS, BEFORE FRAMING CON-
STRUCTION BEGINS.
1.2 Framing the Heater
WARNING: FRAMING DIMENSIONS AS-
SUME USE OF 1/2 INCH THICK WALL
Framing can be built before or after the heater is
set in place. Framing should be positioned to
accommodate wall coverings and heater facing
material. The diagram below shows framing
reference dimensions.
!
COVERING MATERIALS ON EXTERIOR OF
FRAMING ONLY AND NO SHEETROCK ON IN-
TERIOR OF FRAMING.
Shows center of 12" x 12” (305mm x 305mm) flue framing
holes. The center of the hole is 25mm above the center
of the horizontal flue pipe. Framing should be constructed
of 2" x 4" (51mm x 102mm) lumber or heavier.
B
A
C
B
D
A
C
Model: ST-38HV-AU
A
B
C
D
450 Elbow (Horizontal) Flue
41"
43 1/4"
21 9/16"
37 1/8"
(1041mm)
(1099mm)
(548mm)
(943mm)
450 Elbow (Vertical) Flue
42 3/4"
(1086mm)
40 3/4"
(1035mm)
21 9/16"
(548mm)
-
Figure 3. Framing Dimensions
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a
t
j
h
c
e
e
j
j
d
SEE NOTE 3
OPENABLE
WINDOW
h
P
h
DOOR
n
g
t
M
k
f
d
c
I
b
g
t
k
SEE NOTE 2
T = Flue terminal
M = Gas meter
P = Electricity meter
Shading indicates prohibited
areas for flue terminals
I
= Mechanical air inlet
or fuse box
a
-
Below eaves, balconies or other projections:
MIN. CLEARANCE(mm)
Appliances up to 50 MJ/h input ........................................................................................... 300
Appliances over 50 MJ/h input ............................................................................................ 500
From the ground or above a balcony...................................................................................... 300
From a return wall or external corner ..................................................................................... 500
From a gas meter (M) ........................................................................................................... 1000
From an electricity meter or fuse box (P) ............................................................................... 500
From a drain or soil pipe......................................................................................................... 150
Horizontally from any building structure (unless appliance approved
b
c
d
e
f
-
-
-
-
-
-
g
for closer installation) or obstruction facing a terminal ......................................................... 500
From any other flue terminal, cowl, or combustion air intake ............................................... 500
Horizontally from an openable window, door, non-mechanical air
h
j
-
-
inlet, or any other opening into a building, with the exception of
sub-floor ventilation:
Appliances up to 150 MJ/h input ......................................................................................... 500
Appliances over 150 MJ/h input ........................................................................................ 1500
From a mechanical air inlet, including a spa blower ......................................................... 1500
Vertically below an openable window, non-mechanical air
k
n
-
-
inlet or any other opening into a building, with the exception of
sub-floor ventilation .............................................................................................See table below
CLEARANCES
Space Heaters
All otherAppliances
Up to 50 MJ/h
Input
Up to 50 MJ/h
Input
Over 50 MJ/h and
up to 150 MJ/h Input
Over 1 50 MJ/h
Input
150
500
1000
1500
NOTES: 1. All distances are measured vertically or horizontally along the wall to a point
in line with the nearest part of the terminal.
2. Prohibited area below electricity meter or fuse box extends to ground level.
3. See clause 5.13.6.6 for restrictions on a flue terminal under a roofed area.
4. See Appendix J, Figure J1(a) and J2(a) for clearances required from a flue
terminal to a LP Gas cylinder. A flue terminal is considered to be a source of ignition.
MINIMUM CLEARANCES REQUIRED FOR BALANCED FLUE TERMINALS
OR THE FLUE TERMINALS OF OUTDOOR APPLIANCES
Figure 4
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ELBOWS
MODEL
FLUE TERMINATION APPROVALS
The flue systems installed on this gas heater may also
include one (1), two (2), or three (3) 90 - degree elbow
assemblies, in addition to the 45 - degree elbow re-
quired at the unit.
ST-38HV-AU
DVK-01DA, DVK-01TR
DVK-03DA DVK-TVCD
TABLE 1
Figures 7 through 10 and their corresponding tables show
examples of vent configurations using elbows. The rela-
tionships of vertical rise to horizontal run in vent con-
figurations using elbows MUST be strictly adhered to.
1.3 FLUE SYSTEM APPROVALS AND
INSTALLATIONS
This model is approved to use D-Series flue pipe
components. A DVK-01DA, DVK-03DA or DVK-01TR
Termination Cap must be used to terminate vent sys-
tems in a horizontal position. DVK-TVCD vertical Ter-
minationCapsmustbeusedtoterminateventsystems
in a vertical position.
ONE (1) 90-DEGREE ELBOW
Figure 7 shows an installation using one (1) 90-degree
elbow. Dimension V is listed as MINIMUM vertical di-
mensions and dimension H is listed as corresponding
MAXIMUM horizontal dimensions.
Figures 6 through 10 show the flue systems approved
for use with these models. Approved flue system com-
ponents are labeled for identification. NO OTHER FLUE
SYSTEMS OR COMPONENTS MAY BE USED. De-
tailed installation instructions are included with each
flue termination kit and should be used in conjunction
with this manual.
TWO (2) 90-DEGREE ELBOWS
Figure 8 shows examples of possible installations us-
ing two (2) 90-degree elbows. Dimension V is listed as
MINIMUM vertical dimensions, dimension H is listed
as MAXIMUM beginning horizontal dimensions, and
dimension H+H1 is listed as corresponding TOTAL
MAXIMUM horizontal dimensions.
WARNING: THIS GASAPPLIANCE AND FLUEAS-
SEMBLY MUST BE FLUED DIRECTLY TO THE OUT-
SIDEAND MUST NEVER BE ATTACHED TOA CHIM-
NEY SERVING ASEPARATE SOLID FUEL BURNING
APPLIANCE. EACH GAS APPLIANCE MUST USE A
SEPARATE FLUE SYSTEM-COMMON FLUE SYSTEMS
ARE PROHIBITED.
THREE (3) 90-DEGREE ELBOWS
Figures 9 and 10 show examples of possible installa-
tions using three (3) 90-degree elbows. Dimensions V
are listed MINIMUM first vertical dimensions and di-
mensions H are listed as beginning MAXIMUM hori-
zontal dimensions. Dimensions H+H1 andH+H1+H2 are
listed as TOTAL MAXIMUM horizontal dimensions.
Dimensions V+V1 are listed as TOTAL MAXIMUM ver-
tical dimensions.
CAUTION:UNDER NO CONDITION SHOULD COM-
BUSTIBLE MATERIAL BE CLOSER THAN 3 INCHES
(2 1/2 INCHESAT WALLFIRESTOPS) FROM THE TOP
OF THE 8 5/8-INCH PIPE OR 1-INCH TO THE SIDES
AND THE BOTTOM FOR HORIZONTALSECTIONS OF
THIS FLUE SYSTEM. VERTICAL SECTIONS OF THIS
SYSTEM REQUIRE A MINIMUM OF 1-INCH CLEAR-
ANCE TO COMBUSTIBLE MATERIALSALLAROUND
THE 8 5/8 - INCH PIPE.
NOTE: When the 450 elbow is attached horizontally,
the supplied heat shield must be installed (see Figure 5).
HEAT SHIELD
For alternative installations, other than depicted, con-
tact your dealer for further information.
Refer to Figure 4 for required clearances to flue termi-
nals.
STRAIGHT OUT HORIZONTAL FLUE
SYSTEM
Figure 6 shows straight out horizontal flue systems and
straight up vertical flue systems approved for use on
this model.
Figure 5
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CAP
STRAIGHT UP
VERTICAL FLUEING
V (FT.)
40' MAX. (12.4 M)
STRAIGHT OUT
HORIZONTAL FLUEING
H
Max. Run
24" (610 mm)
H
HEAT SHIELD
NOTE: When the 450 elbow is attached
horizontally, the supplied heat shield
must be installed.
Figure 6
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HEAT SHIELD
FLUEING WITH ONE (1) 90° ELBOW
V (FT.)
H (FT.)
4.5' MIN. (1.37m)
6' MIN. (1.86m)
8' MIN. (2.4m)
32' MAX. (9.75m)
3' MAX. (.914m)
4' MAX. (1.22m)
5' MAX. (1.5m)
5' MAX. (1.5m)
V + H = 37’ MAX. (11.3m)
NOTE: When the 450 elbow is attached horizontally, the
supplied heat shield must be installed.
V
H
H
V
FLUEING WITH ONE (1) 90° ELBOW
V (FT.)
H (FT.)
1' MIN. (305mm)
2' MIN. (610mm)
3' MIN. (914mm)
4' MIN. (1.22m)
5’ MIN. (1.5m)
6’ MIN. (1.86m)
7’ MIN. (2.13m)
32' MAX. (9.75m)
2' MAX. (610mm)
4' MAX. (1.22m)
6' MAX. (1.86m)
8' MAX. (2.44m)
10’ MAX. (3.05m)
12’ MAX. (3.6m)
14' MAX. (4.27m)
14' MAX. (4.27m)
V + H = 37’ MAX. (11.3m)
Figure 6
10
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H1
V
H
FLUEING WITH TWO (2) 90° ELBOWS
1
V (FT.)
H + H (FT.)
1' MIN. (305mm)
2' MIN. (610mm)
3' MIN. (914mm)
4' MIN. (1.22m)
5’ MIN. (1.5m)
2' MAX. (610mm)
4' MAX. (1.22m)
6' MAX. (1.86m)
8' MAX. (2.44m)
10’ MAX. (3.04m)
12’ MAX. (3.6m)
14' MAX. (4.27m)
14' MAX. (4.27m)
6’ MIN. (1.86m)
7’ MIN. (2.13m)
V + H = 37’ MAX. (11.3m)
H
V1
V
Figure 8
11
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HEAT SHIELD
FLUEING WITH THREE (3) 90° ELBOWS
V
H
H + H1
1´ MIN. (305 mm) 2´ MAX. (610 mm)
2´ MIN. (610 mm) 2´ MAX. (610 mm)
3´ MIN. (914 mm) 2´ MAX. (610 mm)
2´ MAX. (610 mm)
4´ MAX. (1.22 m)
6´ MAX. (1.86 m)
8´ MAX. (2.4 m)
4´ MIN. (1.22 m)
5´ MIN. (1.52 m)
6´ MAX. (1.86 m)
7´ MAX. (2.13 m)
2´ MAX. (610 mm)
2´ MAX. (610 mm) 10´ MAX. (3.04 m)
2´ MAX. (610 mm) 12´ MAX. (3.65 m)
2´ MAX. (610 mm) 14´ MAX. (4.26 m)
14´ MAX. (4.26 m)
V + H + H1 = 37’ MAX. (11.3 m)
NOTE: When the 450 elbow is attached horizon-
tally, the supplied heat shield must be installed.
V1
V
H
H1
H2
V
H1
H
Figure 9
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H
H1
V1
V
FLUEING WITH THREE (3) 90° ELBOWS
1
V (FT.)
H + H (FT.)
1' MIN. (305mm)
2' MIN. (610mm)
3' MIN. (914mm)
4' MIN. (1.22m)
5’ MIN. (1.5m)
6’ MIN. (1.86m)
7’ MIN. (2.13m)
2' MAX. (610mm)
4' MAX. (1.22m)
6' MAX. (1.86m)
8' MAX. (2.44m)
10’ MAX. (3.04m)
12’ MAX. (3.6m)
14' MAX. (4.27m)
14' MAX. (4.27m)
V1
V + H = 37’ MAX. (11.3m)
V
H1
H
Figure 10
13
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Installing Flue Components
WARNING: ENSURE THAT THE FI-
BERGLASS ROPE GASKET SUP-
PLIED WITH THE HEATER SEALS
BETWEEN THE FIRST FLUE COM-
PONENTAND THE OUTER HEATER
WRAP.
!
1. Attach the First Flue Component to the
Starting Collars
To attach the first flue component to the starting
collars of the fireplace:
• Apply a 3/8 inch (10mm) bead of stove cement
around the inner pipe heater starting collar.
2. Continue Adding Flue Components
To continue adding flue components in accordance
with the pre-planned flue system configuration:
• Make sure that the heater rope gasket sup-
plied with the heater seals between the first
flue component and the outer heater wrap.
• Ensure that each succeeding flue component is
securely fitted and locked into the preceding com-
ponent in the flue system.
• Lock the flue components into place by sliding
the concentric pipe sections with four (4) equally
spaced interior beads into the heater collar or
previously installed component end with four (4)
equally spaced indented sections.
90° elbows may be installed and rotated to any point
around the preceding component’s vertical axis. If
an elbow does not end up in a locked position with
the preceding component, attach with a minimum
of two (2) sheet metal screws.
• When the internal beads of each outer pipe line
up, rotate the pipe section clockwise about one-
quarter (1/4) turn. The flue pipe is now locked
together.
3. Install Support Brackets
• The first 90° elbow installed in the flue system of
a rear flueing heater MUST BE in a vertical po-
sition.
Figure 12 Adding Flue Components
For Horizontal Runs - The flue system must be
supported every five (5) feet of horizontal run by a
horizontal pipe support.
Figure 11 Attaching the First Flue
Component to the Starting Collars
To install support brackets for horizontal runs:
• Place the pipe supports around the flue pipe.
• Nail the pipe supports to the framing members.
!
WARNING: A 3/8 INCH (10MM)
BEAD OF STOVE CEMENT MUST BE
PLACED AROUND THE INNER PIPE
HEATER STARTING COLLAR BEFORE
ATTACHING THE FIRST FLUE COM-
PONENT. FAILURE TO SEAL THIS JOINT
MAY CAUSE THE HEATER TO OPERATE
IMPROPERLY. SEE FIGURE 11.
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• Position the firestops on both sides of the hole
previously cut and secure the firestops with nails
or screws.
For Vertical Runs
The flue system must be supported every eight
(8) feet (2.4M) above the heater flue outlet by wall
brackets.
• The heat shields of the firestops MUST BE
placed towards the top of the hole.
To install support brackets for vertical runs:
• Attach wall brackets to the flue pipe and se-
cure the wall bracket to the framing members
with nails or screws.
• Continue the flue run through the firestops.
Use wall brackets to support vertical runs every
8 feet (2.4M) above the heater flue outlet.
WALL BRACKET
WALL STUD
FLUE PIPE
Figure 14 Hole and Flue Pipe
8 FT.
(2.4m)
HEAT SHIELD
TRIM HEAT
FLUE
OUTLET
SHIELD IF TOO
LONG, ADD TO
SHIELD IF TOO
SHORT
EXTERIOR
FIRESTOP
1 INCH MIN.
(25.4mm)
INTERIOR
FIRESTOP
Figure 13 Installing Support Brackets
4. Install Firestops
Figure 15 Heat Shield, Interior and Exterior
Firestops
For Vertical Runs - One ceiling firestop is
REQUIRED at the hole in each ceiling through
which the flue passes.
For Horizontal Runs - Firestops are REQUIRED
on both sides of a combustible wall through which
the flue passes.
To install firestops for vertical runs that pass through
ceilings:
To install firestops for horizontal runs that pass
through either interior or exterior walls:
• Position a plumb bob directly over the center of
the vertical flue component.
• Cut a 12-inch by 12-inch (305 mm X 305 mm)
hole through the wall. The center of the hole
is one (1) inch (25mm) above the center
of the horizontal flue pipe.
• Mark the ceiling to establish the centerpoint of
the flue.
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• Drill a hole or drive a nail through this center point.
NAILS (4 REQUIRED)
• Check the floor above for any obstructions, such
as wiring or plumbing runs.
• Reposition the heater and flue system, if neces-
sary, to accommodate the ceiling joists and/or
obstructions.
RAFTER
• Cut an 11-inch X 11-inch (280 mm X 280 mm)
hole through the ceiling, using the center point
previously marked.
• Frame the hole with framing lumber the same
size as the ceiling joists.
CEILING
CEILING FIRESTOP
11”
(280mm)
11”
(280mm)
Figure 18 Attic Firestop
C. Flue Termination
CHIMNEY
HOLE
For Horizontal Terminations - To attach and secure
the termination to the last section of horizontal flue:
NEW
FRAMING
MEMBERS
CEILING
EXISTING
CEILING
JOISTS
• Rotate and interlock the ends as described at the
beginning of the Installing Flue Components sec-
tion.
Figure 16 Hole and New Framing Members
• The termination kit should pass through the wall
firestops from the exterior of the building.
If the area above the ceiling is NOT an attic, position
and secure the ceiling firestop on the ceiling side of
the previously cut and framed hole.
• Adjust the termination cap to its final exterior po-
sition on the building.
WARNING: THE TERMINATION CAP
MUST BE POSITIONED SO THAT
THE ARROW IS POINTING UP.
!
JOIST
• Use the exterior pipelock hole provided on the
round flange of the wall firestop to secure the flue
pipe in place.
CEILING
• Use a high-temperature sealant or fiberglass rope
gasket to seal between the pipe and exterior
firestop.
NAILS (4 REQUIRED)
CEILING FIRESTOP
• See Figure 4 for flue termination clearances.
Figure 17 Ceiling Firestop (Ceiling Side)
If the area above the ceiling IS an attic, position and
secure the firestop on top of the previously framed
hole.
16
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USE A WRENCH ON
SHUT-OFF VALVE WHEN
TIGHTENING GAS LINE
CONTROL
VALVE
GAS LINE
ACCESS
MANUAL
SHUT-OFF VALVE
Figure 19 Round Termination Caps
GAS VALVE
For Vertical Terminations - To locate the flue and
install the flue sections:
FLEX
CONNECTOR
• Locate and mark the flue center point on the un-
derside of the roof, and drive a nail through the
center point.
Figure 20
• Make the outline of the roof hole around the cen-
ter point nail.
1.4 CONNECTING THE GAS SUPPLY
• The size of the roof hole framing dimensions de-
pend on the pitch of the roof. There MUST BE a
1-inch (25mm) clearance from the vertical flue
pipe to combustible materials.
The gas is introduced to the appliance on the left hand
side. See Figure 20.
After the gas pipe installation is complete, check care-
fully all gas connections for leaks with a soap solution.
DO NOT USE AN OPEN FLAME.
• Mark the roof hole accordingly.
• Cover the opening of the installed flue pipes.
• Cut and frame the roof hole.
NOTE: THE GAS SUPPLY LINE SHOULD BE
PURGED OF ANY TRAPPED AIR PRIOR TO THE
FIRST FIRING OF THE UNIT.
• Use framing lumber the same size as the roof
rafters and install the frame securely. Flashing
anchored to the frame must withstand heavy
winds.
1.5 FAN
• Continue to install concentric flue sections up
through the roof hole and up past the roof line
until you reach the appropriate distance above
the roof.
These heaters have a factory installed Fan, Electrical
Junction Boxes, variable speed Rheostat Control Switch
and Temperature Sensor Switch for the fan. These com-
ponents are located behind the lower grille.
CAUTION: FOLLOW THE REQUIREMENTS
OF THE AGA GAS INSTALLATION CODE FOR
MINIMUM HEIGHT REQUIREMENTS ABOVE
THE ROOF.
Use of the fan requires that the Junction Box (factory
installed) be connected to 240 VAC service before per-
manently enclosing the heater. The access hole for
connecting the service wires is found on the lower ex-
terior side of the unit. Figure 21 shows the fan, switches,
and fan wiring diagram.
To seal the roof hole, and to divert rain and snow
from the flue system:
• Attach a flashing to the roof using nails, and use a
non-hardening mastic around the edges of the
flashing base where it meets the roof.
• Attach a storm collar over the flashing joint to form
a water-tight seal. Place non-hardening mastic
around the joint, between the storm collar and
the vertical pipe.
• Slide the termination cap over the end of the flue
pipe and rotate the pipe clockwise 1/4 turn.
17
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NOTE: IF ANY OF THE ORIGINAL
WIRE AS SUPPLIED WITH THE
APPLIANCE MUST BE REPLACED,
IT MUST BE REPLACED WITH TYPE
105•C RATED WIRE.
FAN SPEED
CONTROL
FAN
SPEED CCONTROL
TEMPERATURE
SENSOR SWITCH
FAN WIRING DIAGRAM
BLK
JUNCTION BOX
BLK
BLK
BLK
TEMP. SEENSOR
SWITCH
BLUE
BLUE
BROWN
BRN
YW/GR
YELLOW/GREEN
JUNCTION BOX
FAN
JUNCTION BOX DETAIL
BLK
BLK
BLUE
BRN
YELLOW/GRN
GRD
YELLOW/GRN
Figure 21
NOTE: IF THE SUPPLY CORD IS DAMAGED, IT
MUST BE REPLACED BY THE MANUFACTURER,
AN AUTHORIZED SERVICE AGENT, OR A SIMI-
LARLY QUALIFIED PERSON IN ORDER TO AVOID
A HAZARD.
18
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1.5.1 INSTALLING THE ELECTRICAL
SERVICE TO THE JUNCTION BOX
279
254
229
203
178
152
WARNING: TURN ELECTRICAL POWER OFF AT
THE CIRCUIT BREAKER BEFORE BEGINNING IN-
STALLATION.
279
229
254
203
178
1. Remove the electrical cover plate from the lower side
of the heater. Remove the knockout from the plate
and attach the Romex clamp (screws to the out-
side.)
152
2. Feed the electrical services wires through the Romex
clamp and secure the wire to the clamp.
TOP FRONT EDGE
OF FIREPLACE
3. Using the wire connector provided inside the junc-
tion box, attach the neutral service wire to the blue
wire, the hot service wire to the black wire, and the
service ground wire to the ground screw stud of the
junction box. See Figure 22 for wire connection de-
tail and Figure 21 for a complete wiring diagram.
NOTE: ALL DIMENSIONS ARE
SHOWN IN MILLIMETERS.
FIGURE 23
4. Re-attach the cover plate to the outside of the heater.
WARNING: DO NOT CONNECT 220 VAC
!
TO THE GAS CONTROL VALVE OR CON-
HIGH TEMP
(300oF. 150oC. MIN.)
SEAL JOINT
TROL WIRING SYSTEM OF THIS MODEL.
FINISHED
WALL
STUD
2 X 4
HEADER
TOP STANDOFF
HIGH TEMP
(300oF. 150oC. MIN.)
SEAL JOINT
FIGURE 22
1.6 MANTEL CLEARANCES
FIGURE 24
Clearance to a mantelpiece is 6-inches (152mm). See
Figure 23.
1.7 LOG INSTALLATION
Carefully remove the log packages from the heater
and the tags from their packages. Handle logs gently.
Place the logs in the heater by following the steps
shown in Figure 25. Replace the glass door and dress
guard previously removed prior to lighting the unit. Be
certain the gas logs are properly positioned.
IF JOINTS BETWEEN THE FINISHED WALLS AND
THE FIREPLACE SURROUND (TOP AND SIDES)
ARE SEALED, A 150° C. MINIMUM SEALANT
MATERIAL MUST BE USED. THESE JOINTS ARE
NOT REQUIRED TO BE SEALED. ONLY NON-
COMBUSTIBLE MATERIAL (USING 150° C.
MINIMUM ADHESIVE, IF NEEDED) CAN BE
APPLIED AS FACING TO THE FIREPLACE
SURROUND. SEE FIGURE 24.
19
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LOG PLACEMENT INSTRUCTIONS
Burner - Top View
1
4
5
2
6
3
Remove dress guard and glass door from the
heater side to access grate/burner with the pilot
assembly on the right. Carefully remove the logs
from the carton. CAUTION: Logs are fragile!
7
1
LOG NUMBER 1 (SRV675-721): Position log #1 at the rear left corner of the grate against the
three grate stops as shown.
2
LOG NUMBER 2 (SRV675-722): Place log #2 so that the slot on the bottom of the log fits over
the grate tab in the rear right corner. The left end of log #2 should rest against the stop on the right center bar.
Figure 25
20
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3
LOG NUMBER 3 (SRV675-726): Position log #3 on the front right hand side of the grate against the
3 stops.
4
LOG NUMBER 4 (SRV675-723): Place log #4 so that the slot on the bottom of the log fits over the grate
tab on the front left corner of the grate. The right end of log #4 must rest against the stop of the left center bar.
5
LOG NUMBER 5 (SRV285-720): Position log #5 on the location grooves on log #2 and log #3.
21
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6
LOG NUMBER 6 (SRV278-705): Place the "Y" end of the log #6 over the second rear grate bend
and locate its top in the locating groove on log #2.
7
LOG NUMBER 7 (SRV285-725): Position log #7 on the locating grooves on log #3 and log #4 as shown.
OPPOSITE SIDE VIEW: Check log assembly against figures.
22
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1.8 INSTALLER TESTING
The space heater must be tested and be operating ac-
cording to manufacturers specifications prior to the in-
staller leaving the site. Note: the tips of the flames
should never hit the top of the firebox after the unit has
warmed up. Please contact your dealer or a qualified
service person to replace injector or adjust valve.
Upon completing the gas line connection, a small
amount of air will be in the lines. When first lighting the
pilot light, it will take a few minutes for the lines to
purge themselves of this air. Once the purging is com-
plete, the pilot and burner will light and operate as indi-
cated in the Lighting Instructions.
MAKE SURE THE FLAMES
ARE STEADY—NOT
LIFTING OR FLOATING.
FIGURE 27
Subsequent lightings of the appliance will not require
such purging.
2.0 OPERATING INSTRUCTIONS
CAUTION: DURING THE INITIAL PURGING AND
SUBSEQUENT LIGHTINGS, NEVER ALLOW THE
GAS VALVE CONTROL KNOB TO REMAIN DE-
PRESSED IN THE "PILOT" POSITION WITHOUT
PUSHING THE RED IGNITOR BUTTON AT LEAST
ONCE EVERY SECOND.
This appliance is a balanced flue heater and is designed
to operate with all combustion air being siphoned from
the outside of the building and all exhaust gases ex-
pelled to the outside of the building.
WARNING:THIS UNIT IS NOT FOR USE
!
WITH SOLID FUEL.
Follow the Safety Information and Lighting Instructions
pages of this manual to light the appliance.
The control system for these models is a millivolt type.
It consists of a gas control valve/variable regulator, a
standing pilot assembly, a thermopile/thermocouple
assembly, a piezo ignitor, an ON/OFF rocker switch,
and a safety high temperature limit switch. The con-
trols are located in the lower compartment behind the
lower grille. Access to this compartment is gained by
rotating the grille up. See Figure 1.
To obtain proper operation, it is imperative that the pilot
and main burner flame characteristics are steady, not
lifting or floating. Typically, the top 3/8-inch (10mm) at
the pilot generator should be engulfed in the pilot flame.
(Figure 26.)
WARNING: DO NOT CONNECT 220-240
VAC TO THE GAS CONTROL VALVE OR
!
Standing Pilot
CONTROL WIRING SYSTEM OF THIS UNIT.
The gas control system is wired so the thermopile, when
heated with the pilot light, will provide approximately
350 to 500 millivolts. This activates the gas control valve.
See Figure 28 for appliance wiring diagram.
When lit for the first time, the appliance will emit a slight
odor for an hour or two. This is due to paint and lubri-
cants used in the manufacturing process. Additionally,
for the first few minutes after each lighting, vapor may
condense and fog the glass and the flames may be
blue. After a few minutes this moisture will disappear
and within 15-30 minutes the flames should become
yellow.
FIGURE 26
The heater may produce a noise, caused from metal
expansion and contraction as it heats up and cools
down. This noise is similar to one that a furnace or heat
duct may produce and does not affect the operation or
longevity of the heater.
Burner flame patterns are shown in Figure 27.
Follow Section 3.5 TROUBLESHOOTING for adjusting
the appliance to operate properly.
23
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OPERATING CAUTIONS
2.1 SAFETY & LIGHTING INFORMATION
Follow Section 2.2 SAFETY INFORMATION and 2.3
LIGHTING INSTRUCTIONS to light the appliance.
•
•
•
•
•
THIS APPLIANCE MAY EXHIBIT A SLIGHT CAR-
BON DEPOSITION.
By design, the flame pattern will not be identical from
unit to unit. Additionally, flame pattern may vary de-
pending on installation type and weather conditions.
DO NOT PLACE ARTICLES ON OR AGAINST THIS
APPLIANCE.
DO NOT USE OR STORE FLAMMABLE MATERI-
ALS NEAR THIS APPLIANCE.
NOTE: THE TIPS OF THE FLAMES SHOULD
NEVER HIT THE TOP OF THE FIREBOX.
DO NOT SPRAYAEROSOLS IN THE VICINITY OF
THIS APPLIANCE WHILE IT IS IN OPERATION.
If the flame height is higher than this, adjustments must
be made to prevent overheating the gasket and glass.
Please contact your dealer or a qualified service per-
son to replace the injector or adjust the valve.
THE DRESS GUARD IS FITTED TO THIS APPLI-
ANCE TO REDUCE THE RISK OF FIRE OR INJURY
FROM BURNS AND NO PART OF IT SHOULD BE
PERMANENTLY REMOVED. FOR PROTECTION
OF YOUNG CHILDREN OR THE INFIRM, A SEC-
ONDARY GUARD IS REQUIRED.
These gas models have gas control valves which allow
you to increase or decrease the height of the main
burner flames. Rotate the adjustment knobs clockwise
to "HI" to increase the flame height and counterclock-
wise to "LO" to decrease the flame height.
•
•
THE DRESS GUARD MUST BE IN PLACE AND
SEALED AND THE FIXED MESH TRIM ASSEM-
BLY MUST BE IN PLACE ON THE HEATER BE-
FORE THE UNIT CAN BE PLACED INTO SAFE OP-
ERATION.
DO NOT USE THISAPPLIANCE IFANY PART HAS
BEEN UNDER WATER. IMMEDIATELY CALL A
QUALIFIED SERVICE TECHNICIAN TO INSPECT
THE UNIT AND TO REPLACEANY PART OF THE
CONTROL SYSTEM AND ANY GAS CONTROL
WHICH HAS BEEN UNDER WATER.
•
•
DO NOT OPERATE THIS APPLIANCE WITH THE
GLASS DOOR REMOVED, CRACKED, OR BRO-
KEN. REPLACEMENT OF THE GLASS DOOR
SHOULD BE DONE BY A LICENSED OR QUALI-
FIED PERSON. DO NOT STRIKE OR SLAM THE
GLASS DOOR.
THE GLASS DOOR ASSEMBLY SHALL ONLY BE
REPLACED AS A COMPLETE UNIT AS SUPPLIED
BYTHE GAS HEATER MANUFACTURER. NO SUB-
STITUTE MATERIALS MAY BE USED.
THERMOCOUPLE
BLACK S2
REMOTE SWITCH
3/16” PIGGYBACK CONNECTOR
PIGTAIL
ON
OFF
ON/OFF
SWITCH
WHITE T2
GAS VALUE
RED T1
THERMOPILE
OPTIONAL WALL SWITCH,
THERMOSTAT OR REMOTE
BLACK S1
FIGURE 28
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2.2
SAFETY INFORMATION
FOR YOUR SAFETY READ BEFORE LIGHTING
WARNING: IF YOU DO NOT FOLLOW THESE INSTRUCTIONS EXACTLY, A FIRE OR EXPLO-
SION MAY RESULT CAUSING PROPERTY DAMAGE, PERSONAL INJURY, OR LOSS OF LIFE.
•
Immediately call your gas supplier from a neighbor’s
phone. Follow the gas supplier’s instructions.
A. This appliance has a pilot. When lighting the pilot,
follow these instructions exactly.
C. Use only your hand to push in or turn the gas con-
trol knob. Never use tools. If the knob will not push
in or turn by hand, don’t try to repair it. Call a quali-
fied service technician. Forced or attempted repair
may result in a fire or explosion.
B. BEFORE LIGHTING smell all around the appliance
area for gas. Be sure to smell next to the floor
because some gas is heavier than air and will
settle on the floor.
WHAT TO DO IF YOU SMELL GAS
D. Do not use this appliance if any part has been un-
der water. Immediately call a qualified service tech-
nician to inspect the appliance and to replace any
part of the gas control system which has been un-
der water.
•
•
Do not try to light any appliance.
Do not touch any electric switch; do not use any
phone in your building.
2.3
LIGHTING INSTRUCTIONS
LIGHTING INSTRUCTIONS
THERMOPILE
PILOTBURNER
1. "STOP!"Readthesafetyinformation.
2. To access controls, rotate the bottom grille down.
3. Turnthevalvecontrolknobtothe"OFF"position. To
dothis,youmustturntheknobclockwise
the "Pilot" position, and then press in and continue
turning clockwise to the "OFF" position.
to
6. To put the control in the pilot position, turn the
control knob counter-clockwise
"Pilot" position.
to the
7. Tolightthepilotdepressthecontrolknobandthen
depress the red piezo button until it makes a
clickingsound. Itmaybenecessarytorepeatthis
step.Ifthepilotdoesnotlightafter10seconds,go
back to step 3. The control knob should be held
down for a MINUTE after pilot ignition.
•
Ifthecontrolknobdoesnotpopoutwhenreleased,
STOP-shutoffthegassupplytotheheatercontrol
valve, and IMMEDIATELY call your service
technician or gas supplier.
GASCONTROLVALVE
NOTE: Knob cannot be turned from "PILOT" to "OFF"
unless knob is pushed in slightly. Do not force.
•
If the pilot will not stay lit after two tries, turn the
control knob to the "OFF" position and call your
service technician or gas supplier.
4. WAIT FIVE (5) MINUTES TO CLEAR OUT ANY
GAS. Thensmellforgas,includingnearthefloor. If
you then smell gas, STOP! Follow "B" in the safety
information above. If you don't smell gas, go to the
next step.
8. After the pilot has been lit, the burner can be turned on
byturningtheknobcounter-clockwise to
the "ON" position. Flip the ON/OFF switch to the
"ON" position.
5. The pilot should not require accessing for lighting
purposes.Thepilotislocatedinsidethecombustion
chamber.
9. Close the bottom grille.
10.When using accessories leave rocker switch in
the "OFF" position.
TO TURN OFF GAS APPLIANCE
3. Turn the valve control knob clockwise
the "Pilot" position, then depress knob and
continue turning to "OFF" position.
to
1. Open the bottom grille.
2. Turn ON/OFF switch to "OFF".
4. Close the bottom grille.
25
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2.4 FAN OPERATION
Visually inspect the pilot periodically. Brush or blow
away any dust or linen accumulations. If the pilot ori-
fice is plugged, disassembly may be required to re-
move any foreign materials from the orifice or tubing.
When the appliance is put back in service check burner
flame patterns with Figure 30.
The accessory fan is wired in series with a speed con-
trol switch and a temperature sensor switch. Set the
speed control to an "ON" position and light the heater.
The temperature sensor switch will automatically start
the fan when the switch warms up—and stop the fan
when it cools down. You can manually stop the fan by
turning the speed control switch to "OFF". See Figure
21 for fan wiring diagram.
To obtain proper operation, it is imperative that the pi-
lot and main burner flame characteristics are steady,
not lifting or floating. Typically, the top 3/8-inch at the
pilot generator should be engulfed in the pilot flame
(Figure 29).
3.0 SERVICING AND MAINTENANCE
A. HEATER SERVICING: Frequency of heater servic-
ing will depend upon use and type of installation.
Standing Pilot
B. IMPORTANT: TURN OFF GAS BEFORE SERVIC-
ING APPLIANCE. IT IS RECOMMENDED THATA
COMPETENT SERVICE TECHNICIAN PERFORM
SERVICE CHECK-UPS AT THE BEGINNING OF
EACH HEATING SEASON.
C. The appliance and flue system should be inspected
before initial use and at least annually by a qualified
field service person.
D. Inspect the external flue cap on a regular basis to
make sure that no debris is interfering with the air
flow.
E. Keep the control compartment, logs, and burner area
surrounding the logs clean by vacuuming or brush-
ing at least twice a year.
FIGURE 29
CAUTION: THE LOGS GET VERY HOT - HANDLE
ONLY WHEN COOL.
WARNING: DO NOT USEABRASIVE CLEANERS
ON THE GLASS DOOR ASSEMBLY. DO NOT AT-
TEMPT TO CLEAN THE GLASS DOOR WHEN IT IS
HOT.
F. The glass door should be cleaned using a house-
hold glass cleaner. DO NOT handle or attempt to
clean the glass when it is HOT.
G. In order to properly clean the burner and pilot as-
sembly, turn off the gas to the unit and remove the
logs exposing the burner and pilot assembly. Clean
all foreign materials from top of burner. Check to
make sure that the burner orifice is clean.
MAKE SURE THE FLAMES
ARE STEADY—NOT
LIFTING OR FLOATING.
FIGURE 30
26
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•
•
•
Disconnect the gas supply tube from the underside
of the pilot burner.
3.1
REMOVAL OF COVERS FOR
SERVICING
Disconnect the electrode wire from the piezo ignitor
(found adjacent to the gas control valve).
A. Control Compartment Grille
• Rotate the bottom grille down to access the gas
controls.
Disconnect the attachment nut from the underside
of the thermopile. The thermopile can then be sepa-
rated from the pilot bracket.
B. Trim door and Glass Door
• Lift the front trim door up and out away from the
appliance side surrounds. Replace the door when
servicing is complete.
•
Unscrew the pilot assembly bracket and remove.
NOTE: When removing the pilot assembly, carefully
pull the electrode wire up through the grommeted
hole in the base pan.
• Note carefully how the glass assembly is held in
place. Release the two spring latches at the bot-
tom of the glass door. Next, remove wing nuts
from the top of the glass door. Carefully lift the
glass up and out away from the appliance. See
Figure 31.
3.3 PARTS REPLACEMENT
1. FAN/SWITCHES
•
Unplug the fan wires from the junction box wires by
pulling the male and female connectors apart and
slide the fan out the front of the lower controls com-
partment.
3.2 REMOVAL OF COMPONENTS
FOR SERVICE
1. BURNER
•
•
Disconnect the wires from the fan speed control
switch, pull off the knob, and remove the nut holding
the speed control to the bracket.
•
•
Remove the logs and grate.
Remove the top refractory brackets and carefully re-
move the side refractories.
Disconnect the wires from the fan temperature sen-
sor switch and remove the nut holding the switch
bracket onto the side of the firebox.
•
•
Remove the bottom refractory.
Unscrew the brackets at both ends of the burner and
slide the burner away from the burner orifice.
2. GLASS PANEL
•
To replace the glass door, locate the 4 top holes
over the bolts above the opening, push glass against
the unit and attach 2 lower tension springs. Hand
tighten wing nuts into top 4 bolts.
2. PILOTASSEMBLY/IGNITION SYSTEM
•
Remove the log set/log grate/refractory assembly.
NOTE: WING NUTS THAT SECURE THE GLASS
ONLY NEED TO BE HAND TIGHTENED TO GIVE A
SNUG FIT FOR PROPER GASKET SEAL. OVER-
TIGHTENING MAY RESULT IN DAMAGED GLASS.
3. OVERHEAT SWITCH
•
Remove the two screws holding the switch to the
top left front of the sheetmetal surround.
WING NUT
GLASS ASSEMBLY
•
Disconnect the wire from the switch and remove the
switch.
3.4 ADJUSTMENTS AND
REPLACEMENT PARTS
Adjustments and replacement parts for this appliance
should only be done by a qualified service person. A
wiring diagram for the appliance is shown in SECTION
2.0 OPERATING INSTRUCTIONS. Areplacement part
table is shown in SECTION 4.0 of this manual.
TENSION SPRING
LATCH
LATCH
BRACKET
FIGURE 31
27
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3.5 TROUBLESHOOTING - ST-38HV-AU
With proper installation and maintenance, your new heater should provide years of trouble-free service. If
you do experience a problem, refer to the Troubleshooting Guide below. This guide will assist a qualified
service person in the diagnosis of problems and the corrective action to be taken.
CORRECTIVE ACTION
SYMPTOM
POSSIBLE CAUSE
1. Check for spark at electrode and
pilot; if no spark and electrode
wire is properly connected, re-
place ignitor.
I. Spark Ignitor will not light pi-
lot after repeated triggering
of red button.
A. Defective ignitor (no spark at
electrode).
1. Using a match, light pilot. If pilot
lights, turn off pilot and trigger
the red button again. If pilot
lights, an improper gas/air
mixture caused the bad lighting
and a longer purge period is
recommended. If pilot will not
light - check gap at pilot - should
be 1/8 inch (3.2mm) to have a
strong spark.
B. Defective pilot or misaligned
electrode (spark at electrode).
If OK, replace pilot.
1. Check unit's shut-off valve and
remote shut off valves from
heater. Usually there is a valve
near the main. There can be
more than one (1) valve between
the heater and main.
C. No gas or low gas pressure.
2. Low pressure can be caused by
a variety of situations such as a
bent line, too narrow diameter of
pipe or even low line pressure.
Check for kinked lines. If none,
consult with plumber or gas sup-
plier.
1. Check pilot flame. Must impinge
on thermocouple. Clean and or
adjust pilot for maximum flame
impingement on thermocouple.
II. Pilot will not stay lit after care-
fully following lighting in-
structions.
A. Defective thermocouple.
2. Be sure wire connections from
thermocouple at gas valve termi-
nals are tight and thermopile is
fully inserted into pilot bracket.
28
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CORRECTIVE ACTION
SYMPTOM
POSSIBLE CAUSE
3. Check thermopile with millivolt
meter. Take reading at “TH-
TP&TP” terminals of gas valve.
Should read 325 millivolts mini-
mum while holding valve knob
depressed in pilot position, pilot
lit, and on/off switch “OFF”. Re-
place faulty thermocouple if read-
ing is below specified minimum.
4. Disconnect thermopile leads
from the valve. With pilot burner
"ON", take reading at thermopile
leads - should read 325 millivolts
minimum. Replace thermopile if
reading is below this minimum.
1. Check wire continuity and con-
nection in pilot circuit.
B. Open wire connection in pilot
circuit.
1. Disconnect the thermopile's red
wire from the micro-switch and
connect to terminal "TP" on the
gas valve. Turn green knob to
pilot position, depress and light
pilot light. If meter reading is
greater than 325 m.v. after 30
seconds, the pilot generator is
good. If pilot does not stay lit,
the valve is defective. If the meter
reading is less than 325 m.v., the
thermopile is defective.
C. Defective valve.
1. Check "on-off" switch and wires
for proper connections. Place
jumper wires across terminals at
switch-if burner comes on, re-
place defective switch. If OK,
place jumper wires across switch
wires at gas valve-if burner comes
on, wires are faulty or connec-
tions are bad.
III.Pilot burning, no gas burner,
valve knob "ON", "on-off"
switch "ON".
A. "ON-OFF" switch or wires de-
fective.
1. Recheck Symptom #2.
B. Thermopile may not be gener-
ating
voltage. (325m.v.)
sufficient
milli-
2. Pilot flame not physically close
enough to thermopile.
29
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SYMPTOM
POSSIBLE CAUSE
C. Defective valve.
CORRECTIVE ACTION
1. Turn valve knob to “ON”. Place
ON/OFF switch to “ON”. Check
with millivolt meter at thermopile
terminals. Millivolt meter should
read greater than 100 m.v. If the
reading is okay and the burner
does not come on, replace the
gas valve.
D. Plugged burner orifice.
1. Check burner orifice for stoppage
and remove.
E. Wall switch or wires defective.
1. Follow corrective action in A.1
above; check switch and wiring.
Replace where defective.
IV. Frequent pilot outage
problem.
A. Pilot flame may be too low or
blowing (high), causing the pi-
lot safety to drop out.
1. Clean and adjust pilot flame for
maximum flame impingement on
thermopile.
V. Pilot and main burner go out
while being in operation.
A. High limit switch is defective or
has reached its maximum tem-
perature.
1. Allow unit to cool. Then repeat
lighting instructions. If pilot and
burner remain lit after the heater
warms up, the switch is good.
2. If 1 above does not allow for igni-
tion, or the heater continues to
shut-off, disconnect the limit
switch wire from the gas valve
and repeat the lighting instruc-
tions. If the pilot and burner re-
main lit after the heater warms
up, replace the limit switch. Do
not use the heater until the
high limit switch is replaced
and properly wired.
B. Inner 5-inch (13mm) pipe leak-
ing exhaust gases back into
system.
1. Check for leaks.
C. Horizontal flue improperly
pitched.
1. Horizontal flue termination
should slope down only enough
to prevent water from entering
unit. The maximum downward
slope is 1/4" (6.4mm) for any hori-
zontal run.
30
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CORRECTIVE ACTION
1. Tighten corner.
SYMPTOM
POSSIBLE CAUSE
D. Glass too loose and air tight
gasket leaks in corners after
usage.
1. Replace if necessary.
E. Bad thermopile
1. Check for proper installation &
freedom from debris or blockage.
F. Improper flue cap installation.
1. Adjust the log set so that the
flame does not impinge on it.
VI. Glass soots.
A. Flame impingement on logs.
B. Improper venturi setting.
C. Debris around venturi.
1. Adjust the air shutter at the base
of the burner.
1. Inspect the opening at the base
of the burner. It is imperative that
NO material be placed in this
opening.
1. Check to make sure flue cap is
installed properly and free of de-
bris. Make sure that flue system
joints are tight and have no leaks.
VII. Flame burns blue and lifts
off burner.
A. Insufficient oxygen being sup-
plied.
2. Check to make sure that no ma-
terial has been placed in the
opening at the burner base or in
the area of the air holes in the
center of the base pan beneath
the burner.
3. Be sure glass is tightened prop-
erly on unit, particularly on top
corners.
31
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ST-38HV-AU
Beginning Manufacturing Date: 5/2000
Ending Manufacturing Date: ________
Service Parts
(NG, LP) Exploded Parts Diagram
5
2
6
4
3
5
1
15
14 Log set
12
8
7
11
Part number list on following page.
10
13
9
32
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Service Parts List
ST-38HV-AU
ITEM
Description
SERIAL #
PART NUMBER
Í
Í
1
1
2
3
4
5
6
7
8
9
Burner NG
Burner LP
Glass Door Assembly
Trim Door
Base Refractory
Refractory, Side
Hood
SRV675-710A
SRV675-711A
GLA-38HV-AU
675-113A
SRV285-730
SRV285-731
SRV550-175
SRV675-721
SRV675-722
SRV675-726
SRV675-723
Log 1
Log 2
Log 3
10 Log 4
11 Log 5
12 Log 6
13 Log 7
SRV285-720
SRV285-705
SRV285-725
14 Log Set
15 Surround
SRV675-700A
285-130
Flue Restrictor
675-165
Blower/Leads 240
Knob/Rheostat (Black)
Te mp S e ns o r
100-505A
100-512
107-531
Rheostat Assembly
Power Cord
491-510A
546-251A
675-360A
546-250A
446-511
Log Grate
Junction Box
Thermocouple
Thermopile
060-512
Í
Pilot Tube
SRV485-301
386-122A
050-721
Í
Í
Glass Latch Assembly
Mineral Wool
Touch Up Paint
Í
TUP-GBK-12
33
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Service Parts
(NG, LP) Exploded Parts Diagram
ST-38HV-AU
Beginning Manufacturing Date: 5-2000
Ending Manufacturing Date: ______
Î
6
4
5
3
2
7
1
10
8
9
ITEM
DESCRIPTION
SERIAL #
PART NUMBER
1
Wire Assembly
049-522A
2
3
4
ON/OFF Rocker Switch
Piezo Ignitor
060-521A
291-513
Pilot Assembly NG
485-510A
4
5
Pilot Assembly LP
Pilot Bracket
485-511A
438-164
506-800
446-801
550-152
567-301A
060-522
060-523
302-320A
6
Orifice NG (#31)
Orifice LP (#50)
Valve Bracket
Flex Tube
6
7
8
9
Valve NG
9
Valve LP
10
Flex Ball Valve Assembly
34
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Î
LIMITED 10 YEAR WARRANTY
HEAT & GLO, a brand of Hearth & Home Technologies Inc.
In order to presumptively establish the dates to which your HEAT & GLO Limited 10 Year Warranty runs, you must
mailthecompletedwarrantycardtoHEAT&GLO,abrandofHearth&HomeTechnologiesInc.,20802Kensington
Boulevard, Lakeville, MN 55044, within 60 days of the date of fireplace installation. If you fail to do so, you may be
required to prove the date of installation before warranty work can be performed.
The warranty exclusions and limitations of liability are effective upon installation of the fireplace.
Subjecttotheconditionssetforthherein,HEAT&GLO,abrandofHearth&HomeTechnologiesInc.("HEAT&GLO")
extends the following warranty with respect to HEAT & GLO, a brand of Hearth & Home Technologies Inc..
If HEAT & GLO is reasonably satisfied that any part or portion of the fireplace covered by this Limited Warranty is
defective in material or workmanship under normal use and service as described in the Operating Instructions,
HEAT & GLO will take the following actions:
1. Ifthedefectisreportedduringthefirstyearfromthedateofinstallation(stainlesssteelburnersandfiberlogsare
coveredfor3years),HEAT&GLOwillreplaceorrepairthedefectivecomponentsatitssoleexpense.Thedecision
whether to replace a component shall be made at HEAT & GLO's sole discretion. This Limited Warranty does
not covercomponentsbrokenduringshipping,misuseorcarelesshandling.HEAT&GLOshallbenotresponsible
foranyindirect,incidental,orconsequentialdamagesorforanycostsotherthanthoseincurredbyHEAT&GLO
to repair or replace the defective component. If components (including venting) other than factory approved
components are used, all warranty and liability on the fireplace is voided. Defects reported after the first year
will not be covered by warranty unless they fall within the purview of paragraph 2 or 3 below.
2. Ifthefollowingdefectsarereportedduringthesecondyearafterthedateofinstallation, HEAT&GLOwillsupply
replacementpartsatthecurrentwholesaleprice:defectiveelectricalormanualcomponents,optionalcomponents
oraccessories, andglasspanels(notincludingglasspanelsbrokenduringmisuseorcarelesshandling). HEAT
& GLO shall not be responsible for any labor, transportation or other costs. Furthermore, it shall not be liable for
any indirect, incidental or consequential damages.
3. HEAT&GLOwillreplaceorrepairadefectivefireboxorheatexchanger,atanytimeduringthe10yearsfromthe
dateofinstallation.ThedecisionwhethertoreplacethedefectivecomponentshallbemadeatHEAT&GLO'ssole
discretion.HEAT&GLOshallnotberesponsibleforanyindirect,incidentalorconsequentialdamagesorforany
costs other than those incurred by HEAT & GLO to repair or replace the defective component.
ThisLimitedWarrantyistheexclusiveremedyavailabletoyou.IfHEAT&GLOcannoteffectivelyresolveawarranty
probleminanexpedientandcost-effectivemanner,itcandischargeitsentirewarrantyliabilitybyrefundingtheprice
of the product to you.
Productsmadebyothermanufacturers,whethersoldwiththefireplaceoraddedthereafter,areNOTcoveredbythis
Limited Warranty. The use of other unauthorized components will make this warranty null and void. This Limited
Warranty will also be void if the appliance is not installed by a qualified installer in accordance with the Installation
Instructions. Furthermore, the Limited Warranty will be void if the fireplace is not operated, at all times, according
totheOperatingInstructionsfurnishedwiththefireplace.Anyserviceworkmustbeperformedbyauthorizedservice
representatives.
EXCEPTTOTHEEXTENTPROVIDEDBYLAW,NOOTHEREXPRESSORIMPLIEDWARRANTIES,INCLUDING
WARRANTIESOFMERCHANTABILITYORFITNESSFORAPARTICULARPURPOSE,SHALLAPPLYTOTHE
FIREPLACEPRODUCT. InStatesthatdonotallowlimitationsonhowlonganimpliedwarrantylasts,ordonotallow
exclusion of indirect damages, those limitations or exclusions may not apply to you. You may also have additional
rights not covered in this Limited Warranty.
HEAT&GLOreservestherighttomakechangesatanytime, withoutnotice, indesign, material, specificationsand
prices. It also reserves the right to discontinue styles and products.
35
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