Page 1
VENT-FREE FIREPLACE SYSTEMS
INSTALLATION AND OPERATING INSTRUCTIONS
MODEL: DIS33
Natural Gas or Propane/LPG
Control Type: Milli-Volt, T-Stat, or
Hi/Lo Remote Control
This is an unvented gas-fired heater.
It uses air (oxygen) from the room
in which it is installed. Provisions for
adequate combustion and ventilation
air must be provided. See page 9.
WARNINGS
WARNINGS
If the information in this manual is not followed
exactly, a fire or explosion may result causing
property damage, personal injury or loss of life.
– Do not store or use gasoline or other flammable
vapors and liquids in the vicinity of this or any
other appliance.
– WHAT TO DO IF YOU SMELL GAS
• Do not try to light any appliance.
• Do not touch any electrical switch; do not use
any phone in your building.
• Immediately call your gas supplier from a
neighbor's phone. Follow the gas supplier's
instructions.
• If you cannot reach your gas supplier, call the
fire department.
– Installation and service must be performed by
a qualified installer, service agency or the gas
supplier.
READ AND SAVE THESE INSTRUCTIONS
Page 2
CONTENTS
Important Safety Information ..................................3
Product Features ......................................................5
Operation ..............................................................
Natural Gas ..........................................................
Propane/LPG ........................................................
Specifications ...........................................................
Ignition Controls ....................................................
Pilot .......................................................................
Thermal Generator ...................................................6
Getting Started ..........................................................7
General Installation Information .............................8
Removing Screen .................................................
Installing Canopy ..................................................
Codes ...................................................................
Adequate combustion and Ventilation Air .............
Clearances and Height Requirements ..................11
Fireplace Framing ..................................................14
Securing Heater to Floor ........................................15
Connecting the Gas ................................................16
Checking Gas Pressure .........................................18
Electrical Wiring (Milli-Volt) ...................................
Electrical Wiring (Fan) ............................................
5
Log Placement ........................................................22
6
Fame Appearance ...................................................
6
Checking the Burner Flame ...................................24
6
Operating Instructions ...........................................25
6
What to Do if You Smell Gas ..............................
6
Hi/Lo Control Lighting Instructions ......................26
Milli-Volt Control Lighting Instructions .................
Match Lighting Instructions .................................
Cleaning and Servicing ..........................................29
8
Troubleshooting .....................................................
8
Illustrated Parts Breakdown ..................................32
9
Fireplace Assembly ...........................................
9
Gratre and Base Assembly ................................
Logs ...................................................................36
Warranty ..................................................
Back Cover
19
21
23
25
27
28
30
32
34
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Page 3
IMPORTANT SAFETY INFORMATION
INSTALLER
Please leave these instructions with the owner.
IMPORTANT
Read these instructions carefully before installing or trying to operate this vent-free gas heater.
• Any change to this heater or its controls can be dangerous.
• Improper installation or use of the heater can cause serious injury or death from fire,
burns, explosion or carbon monoxide poisoning.
• Do not allow fans to blow directly into the fireplace. Avoid drafts that alter burner
flame patterns.
WARNING
• Do not use a blower insert, heat exchanger insert or other accessory, not approved
for use with this heater where applicable.
1. Due to high temperatures, the appliance should
be located out of traffic and away from furniture and
draperies.
2. Children and adults should be alerted to the hazard
of high surface temperature and should stay away to
avoid burns or clothing ignition.
OWNER
Please retain these instructions for future reference
9. The installation must conform with local codes or, in the
absence of local codes, with the National Fuel Gas Code,
ANSI Z223.l/NFPA54.
10. This unit complies with ANSI Z21.11.2-2001 Unvented
Heaters.
11. Do not install the heaters in a bathroom or bedroom.
.
3. Young children should be carefully supervised
when they are in the same room with the appliance.
4. Do not place clothing or other flammable material
on or near the appliance.
5. Any safety screen or guard removed for servicing
an appliance, must be replaced prior to operating the
heater.
6. Installation and repair should be done by a qualified service person.
7. To prevent malfunction and/or sooting, an unvented
gas heater should be cleaned before use and at least
annually by a professional service person. More fre
quent cleaning may be required due to excessive lint
from carpeting, bedding materials, etc. It is imperative
that control compartments, burners and circulating air
passageways be kept clean.
8. CARBON MONOXIDE POISONING: Early signs of
carbon monoxide poisoning are similar to the flu with
headaches, dizziness and/or nausea. If you have these
signs, obtain fresh air immediately. Have the heater serviced as it may not be operating properly.
-
12. Correct installation of the ceramic fiber logs, proper loca
tion of the heater, and annual cleaning are necessary to
avoid potential problems with sooting. Sooting, resulting
from improper installation or operation, can settle on surfaces outside the fireplace. See log placement instructions
for proper installation.
13. Avoid any drafts that alter burner flame patterns. Do not
allow fans to blow directly into fireplace. Do not place
a blower inside burn area of firebox. Ceiling fans may
create drafts that alter burner flame patterns. Sooting and
improper burning will occur.
14. Caution: Candles, incense, oil lamps, etc. produce com-
bustion byproducts including soot. Vent-free appliances
will not filter or clean soot produced by these types of
products. In addition, the smoke and/or aromatics (scents)
may be reburnt in the vent-free appliance which can produce odors. It is recommended to minimize the use of
candles, incense, etc. while the vent-free appliance is in
operation.
15. This is an unvented gas-fired heater. It uses air (oxygen)
from the room in which it is installed. Provisions for
adequate combustion and ventilation air must be provided.
See page 9.
-
26D3311 3
16. Keep room area clear and free from combustible materials,
gasoline and other flammable vapors and liquids.
Continued on page 4
Page 4
IMPORTANT SAFETY INFORMATION
Continued from page 3
17. Unvented gas heaters are a supplemental zone heater. They
are not intended to be the primary heating appliance.
18. Unvented gas heaters emit moisture into the living area. In
most homes of average construction, this does not pose a
problem. In houses of extremely tight construction, addi
tional mechanical ventilation is recommended.
19. During manufacturing, fabricating and shipping, various
components of this appliance are treated with certain oils,
films or bonding agents. These chemicals are not harmful
but may produce annoying smoke and smells as they are
burned off during the initial operation of the appliance;
possibly causing headaches or eye or lung irritation. This
is a normal and temporary occurrence.
The initial break-in operation should last two to three
hours with the burner at the highest setting. Provide
maximum ventilation by opening windows or doors to
allow odors to dissipate. Any odors remaining after this
initial break-in period will be slight and will disappear
with continued use.
20. Input ratings are shown in BTU per hour and are for
elevations up to 2,000 feet. For elevations above 2,000
feet, input ratings should be reduced 4 percent for each
1,000 feet above sea level. Refer to the National Fuel Gas
Code.
21. The appliance and its appliance main gas valve must be
disconnected from the gas supply piping system during
any pressure testing of that system at test pressures in
excess of 1/2 psig (3.5 kPa).
THIS APPLIANCE MAY BE INSTALLED
IN AN AFTERMARKET, PERMANENTLY
LOCATED, MANUFACTURED (MOBILE)
HOME, WHERE NOT PROHIBITED BY
LOCAL CODES.
-
THIS APPLIANCE IS ONLY FOR USE
WITH THE TYPE OF GAS INDICATED ON
THE RATING PLATE. THIS APPLIANCE
IS NOT CONVERTIBLE FOR USE WITH
OTHER GASES.
We suggest that our gas hearth
products be installed and
serviced by professionals who
are certified in the U.S. by the
National Fireplace Institute®
(NFI) as Gas Specialists.
www.nficertified.org
Never connect unit to private
(non-utility) gas wells. This
gas is commonly known as
wellhead gas.
WARNING
22. The appliance must be isolated from the gas supply piping
system by closing its equipment shutoff valve during any
pressure testing of the gas supply piping system at test
pressures equal to or less than 1/2 psig (3.5 kPa).
23. Do not use this room heater if any part has been under
water. Immediately call a qualified service technician to
inspect the room heater and to replace any part of the
control system and any gas control which has been under
water.
24. Never burn solid fuels in a fireplace where a unvented
room heater is installed.
25. Always have a fireplace screen in place when the appliance
is in operation and, unless other provisions for combustion
air are provided, the screen must have an opening(s) for
induction of combustion air.
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Page 5
Optional
Face Plate
Fireplace
Screen
PRODUCT FEATURES
Control Access Door
Control Knobs
On/Off Switch
Piezo Ignitor
Optional T-Stat
Sensor
Optional Blower
Figure 1 - Unvented Gas Heater with Control Access Door Open
Your vent-free fireplace must be mounted to the floor or the fireplace hearth.
OPERATION
This unvented gas heater requires no outside venting and burns cleanly with high heating efficiency.
26D3311 5
Page 6
PRODUCT FEATURES AND SPECIFICATIONS
NATURAL GAS
Milli-Volt and T-Stat Pressure Hi/Lo Pressure
Regulator Pressure Setting: 3.5" w.c. Regulator Pressure Setting: 3.5" w.c.
Pilot Regulator: 3.5" w.c. Pilot Regulator: 3.5" w.c.
Gas Inlet Pressure: Max. 10 1/2" w. c. Gas Inlet Pressure: Max. 11" w.c.
Min. 5" w.c. Min. 6" w.c.
Gas Rate
Model Number Control Max BTU/Hr Min BTU/Hr
DIS33NTD MILLI-VOLT 28,000 18,000
DIS33NVD T-STAT 28,000 18,000
DIS33NHD HI/LO REMOTE 28,000 18,000
PROPANE/LPG
Note: An external regulator is required to reduce supply pressure to a maximum of 13" w.c.
Milli-Volt and T-Stat Pressure Hi/Lo Pressure
Regulator Pressure Setting: 10" w.c. Regulator Pressure Setting: 10" w.c.
Gas Inlet Pressure: Max. 13" w.c. Gas Inlet Pressure: Max. 13: w.c.
Min. 11" w.c. Min. 12" w.c.
Gas Rate
Model Number Control Max BTU/Hr Min BTU/Hr
DIS33PTD MILLI-VOLT 28,000 20,000
DIS33PVD T-STAT 28,000 20,000
DIS33PHD HI/LO REMOTE 28,000 21,000
IGNITION CONTROLS
Piezo ignitor allows ignition of the pilot without the use of matches or batteries.
Hi/Lo valve control has four (4) positions:
OFF - All gas to the gas logs is shut off at the valve.
PILOT - Valve position to light/maintain a standing pilot.
ON - Valve position to turn ON.
HI/LOW - Variable position corresponding to desired flame height back to pilot.
Milli-Volt and T-Stat control has four (4) positions:
OFF - All gas to the gas logs is shut off at the valve.
IGN - Valve position to light/maintain a standing pilot.
ON - Valve position to turn ON/OFF log set with remote switch/thermostat.
LOW/HI - Variable position to control flame height (heat output). Both front and rear burners are in operation to
provide realistic glow and yellow flame.
PILOT
The gas log heater is fitted with a specially designed safety pilot light (ODS assembly) which senses the amount of oxygen
available in the room and shuts the gas log heater off if the oxygen level begins to drop below a satisfactory level. The pilot
can only be relit when adequate fresh air is available.
THERMAL GENERATOR
The milli-volt gas log pilot is fitted with a milli-volt generator to provide power for remote activation.
6 26D3311
Page 7
GETTING STARTED
MAKE SURE YOU HAVE RECEIVED ALL PARTS
Check your packing list to verify that all listed parts have been received. You should have the following:
• Installation/Operating instructions • Black Louvers
• 33" unvented gas heater with simulated brick panels. • Canopy
• Plastic bag containing crushed volcanic rock • Two (2) anchoring screws
• Mounting screws for canopy • Remote Control (Hi/Lo Model Only)
• Log box contains a four (4) piece log set, refer to installation instructions
Accessory face plates available to finish the insert.
• DIFACESM Black small face 33"H x 43"W • DIFACELG Black large face 36"H x 50"W
Accessories include brass trim and mounting hardware
The milli-volt controlled version of this heater is the only style designed to be operated with optional devices for ON/OFF
functions. The following options may be used with the milli-volt controlled heater. These options are
log set.
• Hand held Remote with Receiver • Wall switch with 15' wire. • Wall T-stat with 15' wire.
• Hand held Thermostat Remote with Receiver • Thermostat Sensor
not packaged with the
• Handle the gas log burner assembly by the grate only. Do not pick the unit up
by the burners.
• Gloves are recommended when handling ceramic fiber logs to prevent skin irritation
from loose fibers. Logs are fragile — handle with care.
WARNING
Carefully inspect the contents for shipping damage. If any parts are missing or damaged, immediately inform the dealer
from whom you purchased the appliance. Do not attempt to install any part of the appliance unless you have all parts
in good condition.
WHAT YOU WILL NEED FOR INSTALLATION
You must have the following items available before proceeding with installation…
• External regulator (for propane / L.P.G. and 1/2 lb. Natural Gas Systems only)
• Piping which complies with local codes • Sediment trap
• Tee joint • Pipe wrench or appropriate size crescent wrench set
• Phillips head screwdriver • Drill with 5/32" bit
• Optional face plate kit. • Manual shutoff valve
• Optional trim kit for installation into wall or free standing Mantle without three piece faceplate
• Pipe sealant approved for use with propane / LP.G (Resistant to sulfur compounds)
26D3311 7
Page 8
GENERAL INSTALLATION INFORMATION
REMOVING SCREEN
Remove fireplace screen by pushing screen frame panel up
and out. See Figure 2.
Do not operate the unit without
the screen frame panel and canopy
installed.
WARNING
NOTE: Fireplace screen must
be removed to access log box
and to install canopy.
Figure 2 - Removing Fireplace Screen
INSTALLING CANOPY
1. Remove the fireplace screen as described in the previous section.
2. Align canopy with the holes in the top frame assembly. See Figure 3.
3. Install the five (5) screws (in ownerʼs manual packaging) which attach the canopy to the top frame assembly. See
Figure 3.
4. Tighten all screws. Make sure the canopy is level and secure. Install the fireplace screen.
Figure 3 - Installing Canopy
8 26D3311
Page 9
GENERAL INSTALLATION INFORMATION
CODES
Adhere to all local codes or, in their absence, the latest edition of THE NATIONAL FUEL GAS CODE ANSI Z223.1 or
NFPA54 which can be obtained from…
American National Standards Institute, Inc.
1430 Broadway
New York, NY 10018
or
National Fire Protection Association, Inc.
Batterymarch Park
Quincy, MA 02269
Do not install the heater …
• Where curtains, furniture, clothing, or other flammable objects are less than 42"
from the front of the heater.
• In high traffic areas.
WARNING
• In windy or drafty areas.
ADEQUATE COMBUSTION AND VENTILATION AIR
This heater shall not be installed in a confined space or unusually tight construction unless provisions are provided for
adequate combustion and ventilation air.
The National Fuel Gas Code, (ANSI Z223.1/NFPA54), defines a confined space as a space whose volume is less than 50
cubic feet per 1,000 BTU per hour (4.8 m
an unconfined space as a space whose volume is not less than 50 cubic feet per 1,000 BTU per hour (4.8 m
aggregate input rating of all appliances installed in that space. Rooms communicating directly with the space in which the
appliances are installed, through openings not furnished with doors, are considered a part of the unconfined space.
UNUSUALLY TIGHT CONSTRUCTION IS DEFINED AS CONSTRUCTION WHERE…
a) walls and ceilings exposed to the outside atmosphere have a continuous water vapor retarder with a rating of 1 perm
(6 x 1011 kg per pa-sec-m2) or less with openings gasketed or sealed; and
b) weather striping has been added on openable windows and doors, and
c) caulking or sealants are applied to areas such as joints around window and door frames, between sole plates and floors,
between wall-ceiling joints, between wall panels, at penetrations for plumbing, electrical, and gas lines, and at other
openings.
3
per kw) of the aggregate input rating of all appliances installed in that space and
3
per kw) of the
26D3311 9
Page 10
W
H
GENERAL INSTALLATION INFORMATION
Figure 4 - Example of a Large Room with 1/2 Wall Divider
Counter
Fireplace
The following formula can be used to determine the maximum heater rating per the definition of unconfined space:
BTU/Hr = (L1 + L2) Ft x (W) Ft x (H) Ft
x 1000
50
Consider two connecting rooms with an open area between, with the following dimensions:
L1 = 151/2 Ft., L2 = 12 Ft., W = 12 Ft., H = 8 Ft.
BTU/Hr = (151/2 + 12) x (12) x (8)
x 1000 = 52800 BTU/Hr
50
If there were a door between the two rooms the calculation would be based only on the room with the heater.
BTU/Hr = (151/2) x (12) x (8)
x 1000 = 29760 BTU/Hr
50
If the area in which the heater may be operated is smaller than that defined as an
unconfined space or if the building is of unusually tight construction, provide adequate
combustion and ventilation air by one of the methods described in the National Fuel
Gas Code, ANSI Z223.1/NFPA54, Section 5.3 or applicable local codes.
WARNING
WARNING
10 26D3311
Page 11
3
3"
17
"
23
5
/
8
"
2
4"
B
A
1
5
"
Minim
u
m
1
5
"
Mini
mu
m
42
"
Min
imu
m
3
"
Mi
n
i
m
u
m
CLEARANCES AND HEIGHT REQUIREMENTS
The dimensions shown in Figures 5 and 8 and defined in the fireplace manufacturer's
instructions are minimum clearances to maintain when installing this heater. Left and
right clearances are determined when facing the front of the heater.
Follow these instructions carefully to ensure safe installation. Failure to follow
WARNING
instructions exactly can create a fire hazard.
NOTE: Clearances are necessary to combustible
surfaces only. No clearance is necessary for
noncombustible surface.
Sidewall and ceiling clearances: The clearance from
the inside of the appliance to any combustible adjacent wall
should no be less than 15". See Figure 5.
Ceiling clearance: The ceiling must be at least 42" from
the top of the firebox opening. See Figure 5.
Back wall clearance: The appliance must be placed at
least 3" away from a combustible back wall.
Floor clearance: The fireplace may not be installed onto
any combustible flooring material, such as carpeting, vinyl or
tile without the hearth or a minimum 22 GA (0.030") metal
or a minimum 1/2" wooden base covering the entire width
and depth of the base.
Mantel clearances: The canopy supplied with the unit
must be installed. If a combustible mantel is installed. It must
meet the clearance requirements shown in Figure 8.
Figure 5 - Sidewall and Ceiling Minimum
Clearances
Accessory Face Plates
A B
Small 33" 43"
Large 36" 50"
Figure 6 - Dimensions for Installing in
Masonry Fireplace in a UL Listed Box
26D3311 11
BEFORE INSTALLING THE FIREPLACE INSERT
Have fireplace floor and chimney professionally cleaned to
remove ashes, soot, creosote or other obstructions. Close and
seal any fresh air vents or ash clean-out doors located on
floor or wall
Page 12
10"
12"
14"
26"
8"
12"
10"
8"
6"
2
1
/2"
8" or More
of Heat
Resistant
Material
Heater in
Fireplace or
Firebox
Hood
Minimum
of 8" Heat
Resistance
Material
Hood
8"
4"
21/2"
10"
6"
8"
CLEARANCES and HEIGHT REQUIREMENTS
HEAT RESISTANT MATERIAL (MINIMUM REQUIREMENTS) WITH NO WOODEN MANTEL OR OTHER COM
BUSTIBLE PROJECTION
Heat resistant material (minimum requirements) with wooden mantel
or other combustible projection:
To install the heater with a wooden mantel shelf or other combustible
projection above, first measure the heat resistant material shown in
Figure 7.
-
Example: A mantel may
project from the wall
1
a maximum of 2
/2" at
minimum of 8" above
the opening, and a maximum of 12" at a minimum of 26" above the
opening.
Figure 7 - Measuring Heat Resistant
Material for Mantel
Figure 9 - Unsafe Mantel Clearance
Figure 8 - Minimum Mantel Clearance
Figure 9 is an example of an unsafe mantel installation. The
mantel projects 4" at 8" above the opening, exceeding the maximum acceptable distance of 21/2". The mantel also projects 8"
at 10" above the opening, exceeding the maximum acceptable
distance of 6".
If your mantel profile is unsafe, you may either:
• Raise the mantel to an acceptable height or,
• Remove the mantel.
12 26D3311
Page 13
Combustible
Material
5"
Combustible
Material
14"
Minimum
This Distance
May Now Be
Less than 5"
CLEARANCES and HEIGHT REQUIREMENTS
The gas log heater must be installed at least 5" above any combustible flooring material, such as carpeting or tile, which is
closer than 14" to the base of the fireplace. See to Figures 10 and 11.
Figure 10 - Minimum Clearance above Combustible Flooring
Figure 11 - Minimum Clearance above Combustible Flooring with
Non-combustible Material Installed at Base of Fireplace
26D3311 13
Page 14
225/8"
18"
331/2"
16"
331/2"
18"
16"
331/2"
271/2"
225/8"
317/8"
REF
16"
371/4"
453/4"
153/8" 331/2"
641/4"
FIREPLACE FRAMING
If unit is to be “built in”, fireplace framing can be built
before or after the appliance is set in place. BE SURE
THAT ALL PACKING MATERIAL HAS BEEN
REMOVED FROM THE UNDERSIDE OF THE
UNIT PRIOR TO SETTING THE FIREBOX IN
PLACE. Construct fireplace framing following Figures
12 through 15. See Figure 6 on page 11 for fireplace
dimensions. The framing headers may not rest directly
on top of the firebox.
The fireplace may be installed directly on a combustible
floor or a raised platform of an appropriate height. Do
not place fireplace on carpeting, vinyl, tile or other soft
floor coverings. It may, however, be placed on flat wood,
plywood, particle board or other hard surfaces. Be sure
fireplace rests on a solid continuous floor or platform
with appropriate framing for support and so that no cold
air can enter from under the firebox.
Figure 12 - Outer Wall Installation
Header
Figure 13 - Inner Wall Installation
Figure 15 - Corner Installation
Figure 14 - Stud Location
14 26D3311
Page 15
NOTE: Clearance requirements as detailed
in “Clearances and Height Requirements”
section of this manual must be met before
securing heater in place.
To prevent movement, the heater must be secured
to the floor or hearth.
1. Open the control access door and remove the
screen.
2. Remove log set.
3. To remove the grate and base assembly, take out
two screws as shown in Figure 16.
4. Lift grate and base assembly out of the firebox.
Lift grate and base assembly
using the grate only.
CAUTION
SECURING HEATER TO FLOOR
4. Secure the firebox with two anchoring screws (3/16"
x 11/4" length) supplied with the fireplace system.
See Figure 17 .
Note: If the unit is mounted on carpeting,
tile or combustible material without the
hearth, a metal or wooden base covering
the entire width and depth of the base must
be installed.
Figure 16 - Removing Grate and Base Assembly
26D3311 15
Figure 17 - Securing Firebox to Floor or Hearth
Page 16
CONNECTING THE GAS
NOTICE: A qualified gas appliance installer must connect the heater to the gas supply. Consult all
local codes.
Use new black or steel pipe. Internally tinned copper or copper tubing can be used
per National Fuel Code, section 2.6.3, providing gas meets hydrogen sulfide limits,
and where permitted by local codes. Gas piping system must be sized to provide
minimum inlet pressure (listed on Data Plate) at the
Undue pressure loss will occur if the pipe is too small.
A manual shutoff valve must be installed upstream of the appliance. Union tee
CAUTION
and plugged
1
/8" NPT pressure tapping point should be installed upstream of the
appliance. See Figure 19.
maximum flow rate (BTU/Hr).
To Heater
Valve
Stainless
Flexible Tube
Pipe
Manual Shutoff
Valve
Figure 19 - Gas Connection
IMPORTANT: Loosen the pipe adapter on the flex tube before installing to the system piping.
Pipe Coupling
Locations that Pressure
Tapping Point May Be
Installed
Gas Supply
Inlet
CHECK GAS TYPE: The gas supply must be the same as stated on the heater's rating
plate. If the gas supply is different, DO NOT INSTALL THE HEATER. Contact your
dealer for the correct mode.
WARNING
Always use an external regulator for all propane/L.P.G. heaters and high pressure one to two-pound systems only, to
reduce the supply tank pressure to a maximum of 13" w.c. This is in addition to the internal regulator in the heater valve.
16 26D3311
Page 17
CONNECTING THE GAS
CHECK GAS TYPE: The gas supply must be the same as stated on heater's rating plate.
Located behind the control access door (Figure 1, page 5). If the gas supply is different,
DO NOT INSTALL the heater. Contact your dealer for the correct model. Connecting to
the wrong gas type may result in property damage or personal injury.
CAUTION
Connecting directly to an unregulated
propane/L.P.G. tank can cause an
explosion.
WARNING
To reach factory installed flex line, go through access door on right or left side of firebox.
Figure 20 - Access Holes
Access Door
for Gas Line
Cord Protector
Manual Gas Shutoff
(Recommended Outlet
Positioned Vertical)
Stainless Flex Line
26D3311 17
Page 18
CHECKING GAS PRESSURE
The stainless flex line is on the right side facing the fireplace and can
Connecti n g directly to an
connect to either a 3/8 NPT female or 1/2 NPT male pipe. To connect from
the opposite side, route the pipe under the rear portion of the unit.
unregulated propane/LPG
tank can cause an explosion.
WARNING
Test all gas joints from the gas meter to the heater valve for leaks using a gas analyzer or soap and water solution after completing connection. DO NOT USE AN OPEN FLAME.
Check the gas pressure with the appliance burning and the control set to HIGH.
Open control access door on either side of unit to find valve and regulator referred to below. See Figure 20, page 16.
MANUAL CONTROL
The pressure regulator is preset and locked to discourage tampering. If the pressure is not as specified,
replace the regulator with the correct part from the parts
list in this manual.
Remove 1/8" NPT plug, located on side of regulator
body. Install fitting and tubing to pressure gauge. After
taking pressure reading, reinstall test plug. Check for
gas leaks.
HI/LO CONTROL (Figure 22)
Turn captured screw counter clockwise two or three
turns. (The port is labeled OUT). Place tubing to pressure gauge over test point. After taking pressure reading, be sure to turn captured screw clockwise firmly to
reseal. Do not over torque. Check for gas leaks.
(Figure 21)
NPT Test Plug
Figure 21 - Pressure Test Point Location
Manual Control
“OUT” Test Port
Figure 22 - Pressure Test Point Location
Hi/Lo Control
Test Port “OUT”
MILLIVOLT CONTROL
The valve regulator controls the burner pressure which
should be checked at the pressure test point.
Turn captured screw counter clockwise two or three
turns and then place tubing to pressure gauge over test
point (Use test point “OUT” closest to control knob).
After taking pressure reading, be sure and turn captured
screw clockwise firmly to re-seal. Do not over torque.
Check for gas leaks.
18 26D3311
(Figure 23)
Figure 23 - Pressure Test Point Location
Milli-Volt Control
Page 19
The milli-volt valve is a self-powered combination gas control
THAT DOES NOT REQUIRE 110 VAC TO OPERATE.
ELECTRICAL WIRING (MILLI-VOLT)
Label all wires prior to disconnection
when servicing controls. Wiring
errors can cause improper and
dangerous operation. Verify proper
operation after servicing.
WARNING
Wall
Switch
On/Off
Switch
TH = 3
TP = 1
TP/TH = 2
See Figure 24 and installation instructions
provided with optional wall switch, thermo
stat or remote control for wiring instructions.
A maximum length of 15 feet of 18awg two
conductor wire is to be used for wall switch
or thermostat installations.
On/Off
Switch
ODS
Pilot
Millivolt
Valve
Spade
Terminal
-
Switch
ODS
Pilot
Note thermostats and switches must
be suitable for milli-volt operation.
CONNECTING OPTIONAL WALL SWITCH OR THERMOSTAT
1. Use 18 awg, two-wire cable, 15 feet maximum length.
2. At one end of the cable, connect both wires to the wall switch or thermostat. At the other end, connect one wire to TP/TH
and one wire to TH, or connect the wall switch/thermostat to the two male (0.25") terminals on the left side of the unit.
The color of the wires does not matter.
26D3311 19
Optional Wall
Switch or Remote
Receiver
Figure 24 - Wiring Diagram
Page 20
ELECTRICAL WIRING (MILLI-VOLT)
CONNECTING REMOTE RECEIVER
THESE INSTRUCTIONS SUPERCEDE THE SECTION
ENTITLED “HEARTH MOUNT” IN THE MILLI-VOLT
HAND-HELD REMOTE INSTRUCTIONS SUPPLIED
WITH THE REMOTE.
1. Remove cover on control panel to show opening for remote
receiver. See Figure 25.
2. Cut cable to length (approximately 12") for placement in
the fireplace.
1
3. Strip back
/4 " of the insulation from both ends of
each wire.
4. Connect two .25 female connectors to the wires at one end
of the cable.
5. Insert the opposite ends of the wires into the receiver wire
terminals and tighten the screws.
6. Connect the connectors to the two .25" male connectors
located on the left side when facing the unit (Figure 25). Do not let the wire touch the grate or burners.
Remote
Receiver
Cover
Figure 25 - Installing Remote Receiver
7. Slide remote receiver in the opening of control panel. Use two screws provided to attach remote receiver to the control
panel. See Figure 25.
8. Replace Cover. See Figure 25.
NOTE: Do not place remote in combustion chamber.
CHECKING SYSTEM OPERATION
The milli-volt system and individual components may be checked with a milli-volt
CONNECT
CHECK TO METER THERMOSTAT METER
TEST TEST LEADS TO CONTACTS READING
TERMINALS SHOULD BE
meter having a 0-1000 mV range. Conduct
each check shown in chart below by connection meter test leads to terminals as
indicated.
A COMPLETE 2 & 3 CLOSED CLOSED
SYSTEM
B THERMOPILE 1 & 2 OPEN OPEN
OUTPUT
A. COMPLETE MILLIVOLT SYSTEM CHECK
(“A” Reading - Thermostat contacts CLOSED - Control Knob “ON” - Main burner should turn ON)
a. If the reading is more than 100 milli-volts and the automatic valve still does not come on, replace the control.
b. If the closed circuit reading (“A” reading) is less than 100 millivolts, determine cause for low reading, proceed to
Section B below.
B. Thermopile Output Reading Check
(“B” Reading - Thermostat contacts OPEN - Main burner OFF)
1. Check gas pressure to the unit. If gas pressure is within minimum and maximum on data plate, then check pilot
voltage, 325 millivolts minimum. If the minimum milli-volt reading is not obtainable, replace pilot.
20 26D3311
Page 21
ELECTRICAL WIRING (FAN)
This fireplace has a three-prong, grounded electrical plug. This plug helps protect
you against electrical shock. Only connect plug to a properly grounded, three-prong
receptacle. Do not cut or remove the grounded prong from this plug.
WARNING
Never attempt to service heater while
it is plugged in, operating, or hot.
Burns and/or electrical shock could
result.
WARNING
IMPORTANT: Always check local building codes. The installation must comply with local regulations
as well as the national electric codes.
Fan Switch
OFF
110/115
V.A.C.
If any of the original wire as supplied with the fireplace must be replaced, contact dealer for proper replacement wiring harness. (see parts list for part number). 120 volts, 60Hz, 1 amps.
Electrical power cord (plug) can be routed to exit the DIS33 on either the left side or the right side. Remove cord protector
from side of unit, route power cord through hole opposite side. Reinstall cord protector.
Black
White
Green
ON
Figure 26 - DIS Wiring Diagram
Thermostat
Control
Blower
Motor
Black
26D3311 21
Page 22
LOG PLACEMENT
Before you begin — This unit is supplied with four or five ceramic fiber logs. Do not handle these logs with your bare
hands. Always wear gloves to prevent skin irritation from ceramic fibers. After handling the logs, wash your hands gently
with soap and water to remove any traces of fibers.
The positioning of the logs are critical to the safe and clean operation of this heater.
Sooting and other problems may result if the logs are not properly and firmly positioned
in the appliance. Never add additional logs or embellishments such as pine cones,
vermiculite or rock wool to the heater. Only use the logs supplied with the unit.
Failure to position the parts in accordance with diagrams below or to use only
WARNING
WARNING
parts specifically approved for this heater may result in property damage or
personal injury.
INSTALLING LOGS ON GRATE (See Figure 27)
1. Install back log (#1) on two pins located near the back of base.
Check log position and stability.
2. Install right center log (#2) on pins located near right front of base
and center of base.
3. Install left center log (#3) on pin located near left front of base and
on top of right center log (#2).
4. Install middle front log (#4) in front of center log. Make sure bottom
of log is resting on the center of grate. Do not let log #4 contact
the front burner.
6. Place back end of top center log (#5) on recessed area of back log
(#1). Cross log #5 over log #2 and rest right extension on grate.
Log #5 should fit on pin on center log #3.
Log #5
Log
#4
Log #3
Log #1
Log #2
Back
Pins
PLACING THE DECORATIVE ROCK
DO NOT sprinkle volcanic rock on the logs or around the pilot or the main burner. This
may cause sooting. Place volcanic rock only on the floor of the fireplace.
During initial operation of the new heater, burning logs will give off a paper burning
smell and orange flames will be present. Simply open the windows for a few hours
WARNING
to vent the odor.
22 26D3311
Left
Front
Pin
Figure 27 - Installing Logs to Grate
Right
Front
Pins
Page 23
FLAME APPEARANCE
Flames from the pilot, front and rear burner should be visually checked as soon as the heater is installed.
In addition, periodically check the flames visually during operation.
CHECKING THE PILOT FLAME
The pilot flame must always be present when the heater is in operation. It should just touch the top of the ther-
mocouple tip for natural. See Figures 23 and 25 for correct pilot flame.
If the pilot flame does not touch the thermocouple, then the main burner cannot function reliably. See Figures 24 and 26 for
incorrect shape of pilot flame.
THERMOSTAT, MILLI-VOLT AND HI/LO CONTROL
Thermocouple
for Natural
Thermocouple
for LP
Figure 28 - Correct Appearance of Pilot Flame
MANUAL CONTROL
Thermocouple
for Natural
Thermocouple
for Natural
Thermocouple
for LP
Figure 29 - Incorrect Appearance of Pilot Flame
Thermocouple
for Natural
Thermocouple
for LP
Figure 30 - Correct Appearance of Pilot Flame
26D3311 23
Thermocouple
for LP
Figure 31 - Incorrect Appearance of Pilot Flame
Page 24
CHECKING THE BURNER FLAME
In normal operation at full rate after 15 minutes, the following flame appearances should be observed:
Glowing Embers
Figure 32 - Correct Appearance of Rear Flames
The left and right rear flames should be yellow and extend 1"- 2" above the log top surfaces. The yellow flames should
contact the logs. There should be glowing embers on the front surface of middle log. Note: The flames and embers will
be an opaque orange color during the burn off time.
not
OPERATING INSTRUCTIONS
Avoid any drafts that alter burner flame patterns. Do not allow fans to blow directly into the fireplace. Do not place
a blower inside the burn area of the firebox. Ceiling fans may create drafts that alter flame patterns. Sooting and improper
burning will result.
During manufacturing, fabricating and shipping, various components of this appliance are treated with certain oils, films or
bonding agents. These chemicals are not harmful, but may produce annoying smoke and smells as they are burned off during
the initial operation of the appliance, possibly causing headaches or eye or lung irritation. This is a normal and temporary
occurrence.
The initial break-in operation should last two to three hours with the burner at the highest setting. Provide maximum ventila
tion by opening windows or doors to allow odors to dissipate. Any odors remaining after this initial break-in will be slight
and will disappear with continued use.
-
This appliance must not be used with glass doors in the closed position. This can lead to pilot outages and severe sooting
outside the fireplace.
24 26D3311
Page 25
OPERATING INSTRUCTIONS
FOR YOUR SAFETY READ BEFORE LIGHTING
If you do not follow these instruction
exactly, a fire or explosion may result
causing property damage, personal
WARNING
injury or loss of life.
WARNING
A. This appliance is equipped with an ignition device which automatically lights the pilot. Do not try
to light the unit by hand.
B. BEFORE OPERATING 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:
• Do not attempt to light any appliance.
• Do not touch any electric switch; do not use any phone in your building.
• Immediately call your gas supplier from a neighbor's phone. Follow the gas supplier's instructions.
• If you cannot reach your gas supplier, call the fire department.
C. Use only your hand to push in, or turn the gas control knob. Never use tools. If the knob will not
push in or turn by hand, don't try to repair it. Call a qualified service technician. Force or attempted
repair may result in a fire or explosion.
D. Do not use this appliance if any part of it has been under water. Immediately call a qualified service
technician to inspect the appliance and to replace any part of the control system and any gas control
that has been under water.
Control Knobs
On/Off Switch
Piezo Ignitor
Optional T-Stat
Figure 33 - Location of Piezo Ignitor, Control Knobs and Switch on Milli-Volt Unit,
26D3311 25
Sensor
Hi/Lo Remote Control and Manual Unit
Blower
Page 26
OPERATING INSTRUCTIONS
HI/LO CONTROL LIGHTING INSTRUCTIONS
1. STOP! Read the safety information.
2. Make sure the manual shutoff valve is fully open.
3. This heater is equipped with an ignition device (piezo) which automatically lights the pilot.
4. See Figure 34 for the location of the piezo ignitor and control knob. Push in gas control knob slightly and
turn control knob clockwise to the OFF position.
NOTE: Knob cannot be turned to OFF unless knob is pushed in slightly. Do not force.
5. Wait 5 minutes to clear out any gas. Then smell for gas, including near the floor. If you smell gas STOP!
Follow the instructions under “What to Do if You Smell Gas”, page 25. If you do not smell gas, go to the
next step.
6. From OFF position, push in gas control knob slightly and turn counterclockwise
position. Push in and hold control knob for 5 seconds.
NOTE: If you are running the heater for the first time, it will be necessary to press in the control knob for
30 seconds to allow air to bleed out of the gas piping.
7. With the gas control knob pushed in, push and release the piezo ignitor button to light the ODS pilot. The
pilot is located on the left side of the heater, behind the middle log and in front of the rear log. If piezo
ignitor does not light the pilot, refer to “Match Lighting Instructions”, page 28.
8. Hold the gas control knob in for an additional 10 seconds to prevent the ODS pilot from shutting off the
gas while the thermocouple is warming up.
9. Release the gas control knob.
• If the knob does not pop out when released, stop and immediately call your service technician or gas
supplier.
• If the ODS pilot will not stay lit after several tries, push and turn the gas control knob counterclockwise
to OFF and wait 15 seconds. Repeat steps 6 through 9.
10. Turn gas control knob counterclockwise
to pilot to ON.
11. Control flame with Hi/Lo control knob. See Figure 34.
12. The Hi/Lo control knob will control the height of the flame from pilot to high position.
13. Hi/Lo can be controlled from remote.
to the pilot
Wa i t 30 seco n d s
before readjusting
the heater when the
control knob has
been turned down
WARNING
to a lower setting.
TO TURN OFF GAS TO HEATER
1. Turn control knob clockwise to OFF position to completely shut off the heater.
2. If applicable: Turn off all electric power to the heater.
26 26D3311
HI/LO Control
Knob
Gas Control
Knob
Piezo
Figure 34 - Control Cover Plate for Hi/Lo
Page 27
OPERATING INSTRUCTIONS
MILLI-VOLT/THERMOSTAT CONTROL
LIGHTING INSTRUCTIONS
1. STOP! Read the safety information label.
2. Make sure the manual shutoff valve is fully open.
3. This gas log set is equipped with an ignition device (piezo) which automatically lights the pilot. If piezo
ignitor does not light the pilot, refer to instructions for “Match Lighting Instructions”, page 28.
4. Turn gas control knob clockwise to the OFF position, set the thermostat to the lowest setting and
turn ON/OFF switch to OFF position.
5. Wait (5) minutes to clear out any gas. Then smell for gas, including near the floor. If you smell gas, STOP!
Follow "B" in the safety information label. If you don't smell gas, go to next step.
6. From OFF position, turn the gas control knob counterclockwise to IGN position. Push in control
knob for 5 seconds. NOTE: If you are running the heater for the first time, it will be necessary
to press in the control knob for 30 seconds to allow air to bleed out of the gas piping.
7. With the control knob pushed in, push in and release the piezo ignitor button to light the pilot.
8. Continue pushing the control knob in for a further 10 seconds to prevent the flame detector from shutting
off the gas while the probe is warming up. Release the control knob.
9. Turn gas control knob counterclockwise to the ON position.
10. After the pilot has been lit for one minute, the burners can be turned on. Turn the ON/OFF switch to ON
position or adjust thermostat to desired setting.
11. If the gas logs will not operate, follow the instructions “To Turn Off Gas To Appliance” below and call
your service technician or gas supplier.
On/Off Switch
Hi/Lo Control
Ignitor Pilot Control
Piezo
Figure 35 - Pilot
Figure 36 - Control Cover Plate for Milli-Volt
TO TURN OFF GAS TO HEATER
1. Turn control knob clockwise to OFF position to completely shut off the heater.
2. If applicable: Turn ON/OFF switch to OFF position and/or set thermostat (if present) to lowest setting.
3. If applicable: Turn off all electric power to the heater.
26D3311 27
Page 28
OPERATING INSTRUCTIONS AND BLOWER OPERATION
MATCH LIGHTING INSTRUCTIONS
1. Remove any items necessary for easy access to the pilot (for example: logs, screens, etc.).
2. Follow appropriate lighting instructions found previously. Instead of pushing and releasing the piezo
button, light a match and hold the flame to the end of the pilot and ignite the pilot.
3. After control knob has been released and pilot stays lit, reinstall any items that were removed
for pilot access.
4. Call a qualified service technician for repair or replacement of the piezo ignitor.
BLOWER OPERATION
Locate the blower control by opening control access door. The variable controlled thermostat blower is located to the right
of heater controls. .
In the OFF postion, the blower will not operate; however, the heater can be operated without the blower being ON. In the
ON (AUTO) position, the blower will start when the thermostat senses a sufficient increase in firebox temperature.
Note: Your gas logs and blower will not turn on and off at the same time. The gas logs may burn several
minutes before blower turns on.
28 26D3311
Blower
Control
Figure 37 - Location of Blower Control
Page 29
CLEANING AND SERVICING
Annual inspection and cleaning by your dealer or qualified service technician is recommended to prevent malfunction
and/or sooting.
Turn off heater and allow to cool before
cleaning. Disconnect electrical power
before cleaning or servicing.
WARNING
Remove logs, handling carefully by holding gently at each end. Gloves are recommended to prevent skin irritation from
ceramic fibers. If skin becomes irritated, wash gently with soap and water. Refer to manual for correct log placement.
PERIODIC CLEANING - Refer to parts diagram for location of items discussed below.
• Do not use cleaning fluid to clean logs or any part of heater.
• Brush logs with soft bristle brush or vacuum with brush attachment.
• Vacuum loose particles and dust from the front and rear burner, control and piezo covers and grate weldment.
• Inspect and clean burner air intake holes. Remove lint or particles with vacuum, brush, or pipe cleaners. Failure to keep
air intake holes clean will result in sooting and poor combustion.
• External case should be dusted and wiped with a wet soapy cloth.
ANNUAL CLEANING/INSPECTION - Refer to parts diagram for location of items discussed below.
• Inspect and clean burner air intake holes. Remove lint or particles with vacuum, brush or pipe cleaners. Failure to keep
air intake holes clean will result in sooting and poor combustion.
• Inspect and clean all burner ports.
• Inspect ODS pilot for operation and accumulation of lint at air intake holes.
• Verify flame pattern and log placement for proper operation.
• Verify smooth and responsive ignition of main burner and rear burner.
26D3311 29
Page 30
TROUBLESHOOTING
Note: All troubleshooting items are listed in order of operation.
Turn appliance OFF and allow to cool
before servicing. Only a qualified
service person should service and
repair the heater.
WARNING
WARNING
OBSERVED PROBLEM
When ignitor button is pressed,
there is no spark at ODS/pilot.
Appliance produces unwanted
odors.
Appliance shuts off during use.
POSSIBLE CAUSE
1. Ignitor electrode positioned wrong.
2. Ignitor electrode is broken.
3. Ignitor electrode not connected to ignitor
cable.
4. Ignitor cable pinched or wet. Keep ignitor cable
dry.
5. Broken ignitor cable.
6. Bad piezo ignitor.
1. Appliance burning vapors from paint, hair
spray, glues, etc.
2. Gas leak.
3. Initial burn off.
1. Not enough fresh air is available for ODS/
pilot to operate.
2. Low line pressure.
3. ODS/pilot is partially clogged.
4. Defective Thermopile.
5. Restrictions in incoming air flow.
REMEDY
1 Replace ignitor.
2. Replace ignitor.
3. Reconnect ignitor cable.
4. Free ignitor cable if pinched by any
metal or tubing.
5. Replace ignitor cable.
6. Replace piezo ignitor.
1. Ventilate room. Stop using odor causing
products while heater is running.
2. Locate and correct all leaks.
3. Ventilate room and turn unit on high
until odor is gone. Odor should be gone
after 2 to 3 hours of continuous use.
1. Open window and/or door for ventilation.
2. Contact local gas company.
3. Clean ODS/pilot.
4. Check pilot flame, check wire connections, check output, should be 325 millivolts across TH/TP and TP Terminals
with ON/OFF switches off.
5. Check for bottom riser on glass door,
sunken fireplace, excessive lava rock/
cinders densely packed against grate.
Gas odor even when control
knob is in OFF position.
When ignitor button is pressed,
there is spark at ODS pilot, but
no ignition.
30 26D3311
1. Gas leak.
2. Control valve defective.
1. Gas supply turned off or manual shutoff valve
2. Control knob not in PILOT position.
3. Control knob not pressed in while in PILOT
4. Air in gas lines when installed.
5. ODS/pilot is clogged.
6. Gas regulator setting is not correct.
closed.
position.
1. Locate and correct all leaks.
2. Replace control valve.
1. Turn on gas supply or open manual
shutoff valve.
2. Turn control knob to PILOT position.
3. Press in control knob while in PILOT
position.
4. Continue holding down control knob.
Repeat igniting operation until air is
removed.
5. Replace ODS/pilot assembly or get it
serviced.
6. Replace gas regulator.
Page 31
If the gas quality is bad, your pilot may not stay lit, the burners may produce soot
and the heater may backfire when lit. If the gas quality or pressure is low, contact
your local gas supplier immediately.
WARNING
OBSERVED PROBLEM
POSSIBLE CAUSE
TROUBLESHOOTING
REMEDY
OD S/pilot ligh ts, but flame
goes out when control knob is
released.
Burner does not light after ODS/
pilot is lit.
Burner backfires during com
bustion.
Slight smoke or odor during
initial operation.
1. Control knob not fully pressed in.
2. Control knob not pressed in long enough.
3. Manual shutoff valve not fully open.
4. Thermocouple connection loose at control
valve.
5. Pilot flame not touching thermocouple, which
allows thermocouple to cool, causing pilot
flame to go out. This problem could be caused
by either low gas pressure, or a dirty or
partially clogged ODS/pilot.
6. Thermocouple damaged.
7. Control valve damaged.
1. Burner orifice is clogged.
2. Burner orifice diameter is too small.
3. Inlet gas pressure is too low.
-
1. Manifold pressure is too low.
2. Burner orifice is clogged.
1. Burner orifice is clogged or damaged.
2. Burner is damaged.
3. Gas regulator defective.
1. Press in control knob fully.
2. After ODS/pilot lights, keep control
knob pressed in for 30 seconds.
3. Fully open manual shutoff valve.
4. Hand tighten thermocouple connection
until snug, then tighten 1/4 turn more.
5a. Contact local gas company.
5b. Clean pilot with vacuum cleaner.
6. Replace thermocouple.
7. Replace control valve.
1. Clean orifice.
2.
Replace burner orifice.
3.
Contact qualified service person.
1. Contact local gas company.
2. Clean burner or replace burner orifice.
1. Clean burner or replace burner orifice.
2. Replace burner.
3. Replace gas regulator.
Logs appear to smoke after ini
tial operation.
Heater produces a whistling
noise when burner is lit.
No gas to pilot.
Blower does not work.
26D3311 31
-
1. Vapors from paint or curing process of logs.
2. Vapors or smoke continue after heater is run
with damper or window open for several
hours.
1. Turning control knob to HIGH position when
burner is cold.
2. Air in gas line.
3. Dirty or partially clogged burner orifices.
1. LP-regulator shut down due to inlet pressure
too high.
1. Power cord not plugged in.
2. Loose wire connections.
3. Defective blower thermostat.
1. Problem will stop after a few hours
of operation. Run the heater with the
damper open if you have one, or open a
window for the first few hours.
2. Log heater is intended to be smokeless.
Turn OFF heater and call qualified
service person.
1. Turn control knob to LOW position and
let warm up for a minute.
2. Operate burner until air is removed from
line. Have gas line checked by local
gas company.
3. Clean burner or replace burner orifice.
1. Verify LP tank regulator is installed and
set at 11" to 13" w.c.
2. Replace regulator on heater.
1. Plug power cord into junction box found
in lower access level.
2. Check wire connections, reconnect if
loose.
3. Replace thermostat.
Page 32
1
2
3
4
8
8
8
10
9
11
13
7
5
6
14
12
ILLUSTRATED PARTS BREAKDOWN
Failure to position the parts in accordance with these diagrams or failure to use
only parts specifically approved with this appliance may result in property damage
or personal injury.
WARNING
32 26D3311
Page 33
REPLACEMENT PARTS LIST
Item Qty Description DIS33N/P
1 1 Screen Assembly 23D6003K
2 1 Canopy Assembly 23D0138K
3 2 Top Black Louver 23D0200K
4 2 Bottom Black Louver 23D0200K
5 1 Left Simulate Brick 23D7051
6 1 Right Simulated Brick 23D7049
7 1 Center Simulated Brick 23D7047
1 Control Door Assembly 23D6013K
OPTIONAL FACE PLATE
8 1 33" x 43" Black Face Plate Kit DIFACESM
8 1 36" x 50" Black Face Plate Kit DIFACELG
9 1 Small Top Trim 23D2002
9 1 Large Top Trim 23D2006
10 1 Small Left Trim 23D2001
10 1 Large Left Trim 23D2005
11 1 Small Right Trim 23D2002
11 1 Large Right Trim 23D2006
OPTIONAL BLOWER COMPONENTS
12 1 Fan Blower BLO
13 1 Blower Thermostat 17D0905
14 1 Wiring Harness 17D0903
26D3311 33
Page 34
1
3
4
2
5
5
6
7
9
8B
8A
10
ILLUSTRATED PARTS BREAKDOWN
Failure to position the parts in accordance with these diagrams or failure to use
only parts specifically approved with this appliance may result in property damage
or personal injury.
WARNING
34 26D3311
Page 35
REPLACEMENT PARTS ARE AVAILABLE THROUGH YOUR RETAILER.
Item Description Qty DIS33N DIS33P
Common Parts
1 Piezo Ignitor 1 14D0503 14D0503
2 Piezo Wire 1 00K0632 00K0632
3 Front Burner 1 44D0020K 44D0020K
4 Rear Burner 1 44D0035K 44D0036K
Hi/Lo Control
5 Control Valve 1 26D4000 26D4001
6 Front Burner Injector 1 44D0208 44D0210
7 ODS Pilot Assembly 1 26D2529 14D0476
9 Rear burner Injector 1 44D0209 44D0211
Milli-Volt Control
REPLACEMENT PARTS LIST
5 Control Valve 1 14D0467 14D0468
6 Front Burner Injector 1 44D0208 44D0210
7 ODS Pilot Assembly 1 26D2529 26D2530
8A Pilot/On/Off 1 14D0473 14D0477
Knob Extension 1 37D0010 37D0010
8B Hi/Lo Knob
Extension 1 37D0011 37D0011
9 Rear burner Injector 1 44D0209 44D0211
10 On/Off Switch 1 32D0232 32D0232
Accessories
Flex Connector Flexcon 30 All Models
Wall Switch Kit MVWS Milli-Volt only
Wall Thermostat Kit MVWTS Milli-Volt only
Hand Held Remote MRC Milli-Volt only
Hand Held Thermostat
Remote TRC Milli-Volt only
Thermostat Sensor Kit TS Milli- Volt only
26D3311 35
Page 36
5
1
4
2
3
ILLUSTRATED PARTS BREAKDOWN
REPLACEMENT PARTS ARE AVAILABLE THROUGH YOUR RETAILER.
Item Description Qty DIS33
1 Back Log 1 44D1011K
2 Right Center Log 1 44D1022
3 Left Center Log 1 44D1023
4 Front Log 1 44D1012K
5 Top Log 1 44D1013K
Failure to position the parts in accordance with these diagrams or failure to use
only parts specifically approved with this appliance may result in property damage
or personal injury.
WARNING
36 26D3311
Page 37
NOTES
26D3311 37
Page 38
NOTES
38 26D3311
Page 39
NOTES
26D3311 39
Page 40
MONESSEN HEARTH SYSTEMS
LIMITED LIFETIME WARRANTY POLICY
The following components are warranted for life to the original owner, subject of proof of purchase: Firebox,
Combustion Chamber, Heat Exchanger, Grate, and Stainless Steel Burners.
FIVE YEAR WARRANTY
The following components are warranted for 5 years to the original owner, subject of proof of purchase: Vent
Free Ceramic Fiber Logs, Catalytic Filter and Aluminized Burners.
BASIC WARRANTY
Monessen Hearth Systems (MHS) warrants the components and materials in your gas appliance to be free from
manufacturing and material defects for a period of two years from date of installation. After installation, if any of
the components manufactured by MHS in the appliance are found to be defective in materials or workmanship,
MHS will, at its option, replace or repair the defective components at no charge to the original owner. MHS
will also pay for reasonable labor costs incurred in replacing or repairing such components for a period of
two years from the date of installation. Any products presented for warranty repair must be accompanied
by a dated proof of purchase.
This Limited Lifetime Warranty will be void if the appliance is not installed by a qualified installer in accordance
with the installation instructions. The Limited Lifetime Warranty will also be void if the appliance is not operated
and maintained according to the operating instructions supplied with the appliance, and does not extend to (1)
firebox/burner assembly damage by accident, neglect, misuse, abuse, alteration, negligence of others, including
the installation thereof by unqualified installers, (2) the costs of removal, reinstallation or transportation of
defective parts on the appliance, or (3) incidental or consequential damage. All service work must be performed
by an authorized service representative.
This warranty is expressly in lieu of other warranties, express or implied, including the warranty of merchantability
of fitness for purpose and of all other obligations or liabilities. Monessen Hearth Systems, Inc. does not
assume for it any other obligations or liability in connection with the sale or use of the appliance. In states
that do not allow limitations on how long an implied warranty lasts, or do not allow exclusion of indirect
damage, those limitations of exclusions may not apply to you. You may also have additional rights not covered
in this Limited Lifetime Warranty.
MHS reserves the right to investigate any and all claims against the Limited Lifetime Warranty and decide
upon method of settlement.
For information about this warranty, contact:
Technical Services
Monessen Hearth Systems
149 Cleveland Drive
Paris, Kentucky 40361
April 2004 P/N 26D3311 • Rev. 4
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