Superior NMC004-TD, NEC004-TD User Manual
HOMEOWNER'S CARE AND
OPERATION INSTRUCTIONS
DIRECT VENT
DT-400 AND DR-400
33" DIRECT-VENT GAS FIREPLACE HEATERS
P/N 725,023M REV. J 11/2004
MODELS
RETAIN THESE INSTRUCTIONS
FOR FUTURE REFERENCE
OTL Report No. 116-F-17-4
WARNING: 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.
FOR YOUR SAFETY: Do not store or use gasoline
or other flammable vapors or liquids in the vicinity of this or any other appliance.
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AVERTISSEMENT: ASSUREZ-VOUS DE BIEN SUIVRE
LES INSTRUCTIONS DONNÉ DANS CETTE NOTICE POUR
RÉDUIRE AU MINIMUM LE RISQUE D'INCENDIE OU
POUR ÉVITER TOUT DOMMAGE MATÉRIEL, TOUTE
BLESSURE OU LA MORT.
POUR VOTRE SÉCURITÉ: Ne pas entreposer ni utiliser
d'essence ni d'autre vapeurs ou liquides inflammables
dans le voisinage de cet appareil ou de tout autre
appareil.
POUR VOTRE SÉCURITÉ: Que faire si vous sentez une
odeur de gaz:
FOR YOUR SAFETY: What to do if you smell gas:
• DO NOT light any appliance.
• DO NOT touch any electrical switches.
• DO NOT use any phone in your building.
• Immediately call your gas supplier from a
neighbor’s phone.
Follow your gas suppliers instructions.
• If your gas supplier cannot be reached, call the
fire department.
Installation and service must be performed by a
qualified installer, service agency or the gas
supplier.
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
• Ne pas tenter d'allumer d'appareil.
• Ne touchez à aucun interrupteur. Ne pas vous servir
des téléphones se trouvant dans le batiment où
vous vous trouvez.
• Evacuez la piéce, le bâtiment ou la zone.
• Appelez immédiatement votre fournisseur de gaz
depuis un voisin. Suivez les instructions du
fournisseur.
• Si vous ne pouvez rejoindre le fournisseur de gaz,
appelez le service dos incendies.
L'installation et service doit être exécuté par un
qualifié installeur, agence de service ou le fournisseur
de gaz.
1
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GENERAL INFORMATION
In selecting this SUPERIOR Direct-Vent Gas Appliance you have chosen the finest and
most dependable fireplace to be found anywhere. A beautiful, prestigious, alternative to
a wood burning fireplace. Welcome to a Family of tens of thousands of satisfied
SUPERIOR Fireplace Owners.
Please read and carefully follow all of the instructions found in this manual. Please pay
special attention to the safety instructions provided in this manual. The Homeowner's
Care and Operation Instructions included here will assure that you have many years of
dependable and enjoyable service from your SUPERIOR product.
TABLE OF CONTENTS
General Information......................... page 2
Operation/Care of Your Appliance.... page 3
Gas Control/Compartment Access... page 3
Variable Flame Adjustment
(Millivolt) ....................................... page 4
Glass Cleaning ................................. page 4
Maintenance .................................... page 4
Maintenance Schedule..................... page 5
Front Glass Enclosure Panel,
Removal and Installation ............... page 6
Burner Adjustments......................... page 6
Flame Appearance and Sooting ....... page 6
Adjustment ...................................... page 6
Log Placement................................. page 7
Glowing Embers Placement ............. page 7
Millivolt Appliance Checkout........... page 8
Electronic Appliance Checkout......... page 8
Wiring Diagrams.............................. page 8
Warranty.......................................... page 9
Replacement Parts .......................... page 9
Product Reference Information ....... page 9
Accessory Components ................... page 9
Millivolt Lighting Instructions .......... page 12
Electronic Lighting Instructions ....... page 14
Millivolt Troubleshooting Guide ........ page 16
Electronic Troubleshooting Guide ..... page 17
Replacement Parts List ..................... page 18
INTRODUCTION
The Fireplace models covered in this manual
are Direct-Vent sealed combustion gas fireplace heaters designed for residential application. Direct-Vent appliances operate with the
combustion chamber completely isolated from
the inside atmosphere. All air for combustion
is brought in from the outside and exhaust
gases are vented through the same Direct
Vent, vent system.
2
The millivolt appliances are designed to operate on either natural or propane gas. A millivolt
gas control valve with piezo ignition system
provides safe, efficient operation.
External electrical power is required to operate
the optional electrically powered components
if installed. Electrical power must be wired
during appliance installation.
The electronic appliances are designed to operate on either natural or propane gas. An
electronic intermittent pilot system provides
safe, efficient operation. External electrical
power is required to operate these units.
These appliances comply with National Safety
Standards and are tested and listed by Omni
Test Laboratories (Report No. 116-F-17-4) to
ANSI Z21.88-2002 (in Canada, CSA-2.33-
2002), and CAN/CGA-2.17-M91 in both USA
and Canada, as vented gas fireplace heaters.
Installation must conform to local codes. In
the absence of local codes, installation must
comply with the current National Fuel Gas
Code, ANSI Z223.1 (NFPA 54). (In Canada, the
current CAN/CGA B149 installation code.) Electrical wiring must comply with local codes. In
the absence of local codes, installation must
be in accordance with the National Electrical
Code, NFPA 70 - (latest edition). (In Canada,
the current CSA C22.1 Canadian Electric Code.)
DO NOT ATTEMPT TO ALTER OR MODIFY
THE CONSTRUCTION OF THE APPLIANCE OR
ITS COMPONENTS. ANY MODIFICATION OR
ALTERATION MAY VOID THE WARRANTY,
CERTIFICATION AND LISTINGS OF THIS UNIT.
WARNING: IMPROPER INSTALLATION,
ADJUSTMENT, ALTERATION, SERVICE
OR MAINTENANCE CAN CAUSE INJURY
OR PROPERTY DAMAGE. REFER TO THIS
MANUAL. FOR ASSISTANCE OR ADDITIONAL INFORMATION CONSULT A
QUALIFIED INSTALLER, SERVICE
AGENCY OR THE GAS SUPPLIER.
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
Note: Installation and repair should be performed by a qualified service person. The
appliance should be inspected annually by a
qualified professional service technician. More
frequent inspections and cleanings may be
required due to excessive lint from carpeting,
bedding material, etc.
It is imperative that the control compartment,
burners and circulating air passage ways of
the appliance be kept clean.
S'assurer que le brùleur et le compartiment
des commandes sont propres. Voir les instructions d'installation et d'utilisation qui
accompagnent l'appareil.
Provide adequate clearances around air openings and adequate accessibility clearance for
service and proper operation. Never obstruct
the front openings of the appliance.
Due to high temperatures the appliance should
be located out of traffic and away from furniture and draperies. Locate furniture and window coverings accordingly.
WARNING: THESE FIREPLACES ARE
VENTED HEATERS. DO NOT BURN
WOOD OR OTHER MATERIAL IN THESE
APPLIANCES.
These appliances are designed to operate
on natural or propane gas only.
On Millivolt models the Input of the appliance
can be varied from 13,500 to 17,500 BTU/HR.
On Electronic models the input is fixed at
17,500 BTU/HR.
Maximum manifold pressure is 3.5 in. w.c.
(0.87 kPa) for natural gas and 10 in. w.c.
(2.49 kPa) for LP/Propane gas.
Do not use these appliances if any part has
been under water. Immediately call a qualified,
professional service technician to inspect the
appliance and to replace any parts of the
control system and any gas control which
have been under water.
Ne pas se servir de cet appareil s'il a été plongé
dans l'eau, complètement ou en partie. Appeler
un technicien qualifié pour inspecter l'appareil et
remplacer toute partie du système de contrôle et
toute commande qui ont été plongés dans l'leau.
Test gage connections are provided on the
front of the millivolt gas control valve (identified OUT for the manifold side and IN for inlet
pressure. A ¹⁄₈" NPT test gage connection is
provided on the electronic gas control valve
adjacent to the outlet to the main burner.
Minimum inlet gas pressure to these appliances
is 5.0 inches water column (1.24 kPa) for natural
gas and 11 inches water column (2.74 kPa) for
propane for the purpose of input adjustment.
Maximum inlet gas supply pressure to these
appliances is 10.5 inches water column (2.61
kPa) for natural gas and 13.0 inches water
column (3.23 kPa) for propane.
The appliance must be isolated from the gas
supply piping system (by closing its individual
manual shut-off 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).
The appliance and its individual shut-off valve
must be disconnected from the gas supply piping
system during any pressure testing of that system
at pressures in excess of ¹⁄₂ psig (3.5 kPa).
These appliances must not be connected to a
chimney or flue serving a separate solid fuel
burning appliance.
Any safety guard or screen removed for servicing the appliance must be replaced prior to
operating the appliance.
WARNING: FAILURE TO COMPLY WITH
THE INSTALLATION AND OPERATING INSTRUCTIONS PROVIDED IN THIS DOCUMENT WILL RESULT IN AN IMPROPERLY INSTALLED AND OPERATING APPLIANCE, VOIDING ITS WARRANTY. ANY
CHANGE TO THIS APPLIANCE AND/OR
ITS OPERATING CONTROLS IS DANGEROUS. IMPROPER INSTALLATION OR USE
OF THIS APPLIANCE CAN CAUSE SERIOUS INJURY OR DEATH FROM FIRE,
BURNS, EXPLOSION OR CARBON MONOXIDE POISONING.
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. Turn off the gas supply to the appliance
and have it serviced by a qualified professional, as it may not be operating correctly.
WARNING: CHILDREN AND ADULTS
SHOULD BE ALERTED TO THE HAZARDS
OF HIGH SURFACE TEMPERATURES. USE
CAUTION AROUND THE APPLIANCE TO
AVOID BURNS OR CLOTHING IGNITION.
YOUNG CHILDREN SHOULD BE CAREFULLY SUPERVISED WHEN THEY ARE IN
THE SAME ROOM AS THE APPLIANCE.
WARNING: DO NOT PLACE CLOTHING
OR OTHER FLAMMABLE MATERIALS
ON OR NEAR THIS APPLIANCE.
AVERTISSEMENT: SURVEILLER LES
ENFANTS. GARDER LES VÊTEMENTS,
LES MEUBLES, L'ESSENCE OU AUTRES
LIQUIDES À VAPEUR INFLAMMABLES
LOIN DE L'APPAREIL.
OPERATION AND CARE OF YOUR
APPLIANCE
Appliance operation may be controlled through
a remotely located optional wall switch. Separate switches may provide independent control for the remote controlled fireplace operation (optional equipment). In lieu of remote or
remote wall switch operation, the appliance
must be operated directly through the controls
located on the front of the valve located within
the control compartment located behind the
hinged drop down panel below the appliance
front glass enclosure panel,
Figure 1
.
Gas Controls/Control Compartment Access
The gas controls can be found within the control compartment behind the hinged drop-down
control compartment access panel comprising
the lower front face of the appliance below the
front glass enclosure panel.
To open the control compartment access panel,
actuate the spring loaded magnetic catches securing the door by gently depressing the outer
top corners of the door until the catches "pop" the
door free, allowing it to swing out and down to
open. Once the control compartment door is
opened, complete access to the gas control
valve and its related controls is attainable.
To ease door closure, depress the catches to
place them in their retracted position until they
stay there, then close the door.
Operation of millivolt and electronic gas control
systems are different. Before lighting and operating your appliance determine if you have a
millivolt or electronic appliance.
ure 1
to access the control compartment. Mil-
livolt appliances will be fitted with the gas
control valve shown in
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
Figure 2
Refer to Fig-
.
Appliances with electronic systems will be fitted with the electronic valve shown in
Familiarize yourself with the differing controls
for the valve your appliance uses.
SIT Gas Valve
Drop Down
Control
Compartment
Access Panel
Sit and Honeywell Millivolt Gas Valve Showing
Piezo Ignitor Location (Each Unit is Equipped with
Piezo Ignitor
Only One of these Gas Valves)
Figure 3
Honeywell
Gas Valve
Figure 1
Millivolt Appliances -
To light millivolt appliances refer to the detailed
lighting instructions found in both English and
French on
tions respectively. Millivolt appliance lighting
instructions may also be found on the pull out
lighting instruction labels attached to the gas
control valve. Refer to
appropriate location for the piezo ignitor used
with your appliance.
Millivolt appliances may be fitted with an optional ON/OFF Rocker Switch for appliance ON/
OFF control. The optional ON/OFF Rocker switch
will be installed at either the right or the left side
of the Piezo Ignitor on the Piezo Bracket, just
beneath the valve. Once the pilot is lighted, the
ON/OFF rocker switch will control the appliance
ON/OFF operation. To operate: Toggle the
switch between its ON and OFF positions.
If your millivolt appliance is equipped with an
optional remote wall switch or remote control
kit and the pilot is lit, the appliance main burner
may be turned on and off with the wall switch or
remote control.
Electronic Appliances -
To light electronic appliances refer to the detailed lighting instructions found in both English and French on
instructions respectively. Electronic appliance
lighting instructions may also be found on
the pull out lighting instruction labels attached to the gas control valve. If your elec-
tronic appliance is equipped with an optional
remote wall switch or remote control kit the
appliance main burner may be turned on and
off with the wall switch or remote control.
pages 12 and 13
Figure 2
pages 14 and 15
of these instruc-
to locate the
of these
.
3
If your electronic appliance is not equipped
with a wall switch or remote control, the main
burner must be turned off and on with the gas
control switch. Toggle the switch from ON to
OFF to operate the main burner .
OFF
ON
ON/OFF Switch
IN
PSI
Inlet
Pressure
Port
Electronic
Gas Control
Valve
Manifold Pressure Port
CONTROL
IG
N
IT
E
R
Honeywell Electronic Gas Valve
Figure 2
Variable Flame Height Adjustment
Manifold Pressure Port
TPTH TP TH
P
I
L
O
T
Optional Burner ON/OFF
Rocker Switch Location
Figure 3
I
H
L
W
O
Piezo Ignitor
Inlet Pressure Port
IN
OUT
F
F
O
P
I
L
it
O
T
O
N
Piezo Ignitor
Main Gas
Control Knob
Factory-Installed Blower ON/OFF
Rocker Switch Location
SIT Millivolt Gas Valve
Variable Flame Height Adjustment
( Millivolt Appliances only)
1. All Millivolt appliances are equipped with a
variable gas control valve. Flame height for
these models may be adjusted through a range
between fixed low and high settings, alternately, while the appliance is in operation. Adjust the flame height as desired after lighting
the appliance by rotating the variable adjustment control knob located on the front of the
valve
(refer to Figure 3 - SIT, 4 - Honeywell)
2. When lit for the first time, this appliance will
emit a slight odor for an hour or two. This is
due to the “burn-in” of internal paints and
lubricants used in the manufacturing process.
3. Keep lower control compartment clean by
vacuuming or brushing at least twice a year.
More frequent cleaning may be required due to
excessive lint from carpeting, bedding materials, etc. It is important that control compartments, burners and circulating air passageways of the appliance be kept clean.
4. Always turn off gas to the pilot (millivolt
appliances) before cleaning. Before re-lighting, refer to the lighting instructions in this
manual. Instructions are also found on a pullout panel located on the floor of the appliance.
5. Always keep the appliance area clear and
free from combustible materials, gasoline and
other flammable liquids.
6. Remember, Millivolt appliances have a continuous burning pilot flame. Exercise caution
when using products with combustible vapors.
Manifold
Pressure Port
O
.
Variable Flame
Height Adjustment
Piezo Ignitor
O
L
H
I
L
Optional Burner ON/OFF
Rocker Switch Location
I
P
N
O
Figure 4
Glass Cleaning
It will be necessary to clean the glass periodically. During start-up it is normal for condensation to form on the inside of the glass. This
can cause lint, dust and other airborne particles to cling to the glass surface. Also initial
paint curing may deposit a slight film on the
glass. It is therefore recommended that the
glass be cleaned two or three times with a nonammonia household cleaner and warm water
(a gas fireplace glass cleaner is recommended).
After that the glass should be cleaned two or
three times during each heating season, depending on the circumstances present.
Note: Clean glass after first two weeks of
operation.
WARNING: DO NOT USE ABRASIVE
CLEANERS. NEVER CLEAN THE GLASS
WHEN IT IS HOT.
Inlet
Pressure Port
F
F
T
O
Piezo Ignitor
Optional ON/OFF Rocker Switch
Main Gas
Control Knob
Location (One of Two Places)
Honeywell Millivolt Gas Valve
CAUTION: DO NOT ATTEMPT TO TOUCH THE
FRONT ENCLOSURE GLASS WITH YOUR
HANDS WHILE THE FIREPLACE IS IN USE.
Maintenance
IMPORTANT: TURN OFF GAS AND ANY
ELECTRICAL POWER BEFORE SERVICING
THE APPLIANCE.
The appliance and venting system should be
thoroughly inspected before initial use and at
least annually by a qualified service technician. However, more frequent periodic inspections and cleanings should be performed by
the homeowner. Homeowner must contact a
qualified service technician at once if any
abnormal condition is observed.
Refer to the maintenance schedule for maintenance tasks, procedures, periodicity and by
whom they should be performed. Always
verify proper operation of the appliance after
servicing.
4
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
Maintenance Schedule
Annually (Before the onset of the Burning Season)
Maintenance Task Accomplishing Person Procedure
Inspecting/Cleaning Burner, Logs
and Controls
Check Flame Patterns and Flame Height
Inspecting/Cleaning Pilot and Burner
Checking Vent System
Appliance Checkout
Replacing Rockwool Ember Materials
Qualified Service Technician
Qualified Service Technician
Qualified Service Technician
Qualified Service Technician
Qualified Service Technician
Homeowner/Qualified Services Technician
Inspect valve and ensure it is properly operating. Check piping for leaks. Vacuum the
control compartment, fireplace logs and burner
area.
Refer to
Figure 7
on page 7 and verify the
flame pattern and height displayed by the
appliance conforms to the picture. Flames
must not impinge on the logs.
Refer to
Figure 9 on page 7 (Electronic)
Figure 8 on page 7 (Millivolt) or
. Remove any
surface build-up on pilot and burner assembly. Wipe the pilot nozzles, ignitor/flame rod
and hood. Ensure the pilot flame engulfs the
flame sensor as shown.
Inspect the vent system at the top and at the
base (within the firebox) for signs of blockage
or obstruction. Look for any signs of dislocation of the vent components.
Perform the appropriate appliance checkout
procedure detailed in this manual.
Remove old ember materials and vacuum the
screened rockwool placement area. Place new
rockwool as described in this document.
Periodically (After the Burning Season)
Maintenance Task Accomplishing Person Procedure
Cleaning Firebox Interior
Check Flame Patterns and Flame Height
Checking Vent System
Cleaning Front Glass Enclosure Panel
Homeowner
Homeowner
Homeowner
Homeowner
Carefully remove logs, Rockwool and volcanic
stone if used. Vacuum out interior of the
firebox. Clean firebox walls and log grate.
Replace logs, Rockwool and volcanic stone as
detailed in this manual.
Refer to
Figure 7 on page 7
and verify the
flame pattern and height displayed by the
appliance conforms to the picture. Flames
must not impinge on the logs.
Inspect the vent system at the top and at the
base (within the firebox) for signs of blockage
or obstruction. Look for any signs of dislocation of the vent components.
Clean as necessary following the directions
provided in this manual. DO NOT TOUCH OR
ATTEMPT TO CLEAN GLASS WHILE HOT.
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
5
Front Glass Enclosure Panel, Removal
and Installation.
WARNING: NEVER OPERATE THE APPLIANCE WITHOUT THE FRONT GLASS
ENCLOSURE PANEL IN PLACE AND SECURE. DO NOT OPERATE APPLIANCE
WITH FRONT GLASS CRACKED, BROKEN OR MISSING. REPLACEMENT MUST
BE DONE BY A LICENSED OR QUALIFIED
SERVICE TECHNICIAN.
These are direct-vent appliances. They are
designed to operate only when the front glass
enclosure panel is installed. Generally the
front glass enclosure panel should not be
removed except to gain access to the components within the firebox, and the appliance
may only be operated without the front glass
enclosure panel in place for very brief periods
of time during appliance checkout and adjustment. Be sure that the flame appearance will
be diminished while the front glass enclosure
panel is removed.
WARNING: HANDLE THIS GLASS WITH
EXTREME CARE! TEMPERED GLASS IS
SUSCEPTIBLE TO DAMAGE – DO NOT
SCRATCH OR HANDLE ROUGHLY WHILE
REINSTALLING THE GLASS DOOR
FRAME.
Top Flange
Door Frame
Glass Door
Latch
Bottom Vee-flange
Door Frame
Figure 5
Latch
Firebox Floor
Refer to
enclosure panel as follows:
1. Remove the top louver or radiant panel.
2. Open the hinged drop-down control com-
partment panel.
Figure 5
and remove the front glass
WARNING: NO NOT ATTEMPT TO SUBSTITUTE THE MATERIALS USED ON THIS
DOOR, OR REPLACE CRACKED OR BROKEN GLASS WITH ANY MATERIALS
OTHER THAN THOSE PROVIDED BY THE
APPLIANCE MANUFACTURER.
THE GLASS DOOR OF THIS APPLIANCE MUST
ONLY BE REPLACED AS A COMPLETE UNIT AS
PROVIDED BY THE MANUFACTURER. DO
NOT ATTEMPT TO REPLACE BROKEN,
CRACKED OR CHIPPED GLASS SEPARATELY.
3. Locate the two (2) latches at the top of the
control compartment and disengage them from
the door frame bottom Vee-flange, pulling
down on their handles to open them.
4. Swing the bottom of the door out and raise
it slightly to lift the top flange of the door frame
away from the appliance.
To install the front glass enclosure panel,
proceed as follows:
1. Retrieve the glass door frame. Visually
inspect the gasket on the backside of the
panel. The gasket surface must be clean, free
of irregularities and seated firmly.
2. Position the door frame in front of the
firebox opening and engage the top flange
over the lip at the top of the firebox opening.
3. Swing the door down and back. Ensure the
gasket seats evenly as the door draws shut.
Engage the Vee-flange at the bottom of the
door with the latches and close the latches to
secure the door.
4. Reinstall the top louver or radiant panel.
Burner Adjustments
The following paragraphs address burner adjustment concerns and procedures.
Flame Appearance and Sooting
Proper flame appearance is a matter of taste.
Generally most people prefer the warm glow of a
yellow to orange flame. Appliances operated with
air shutter openings that are too large will exhibit
flames that are blue, transparent and much smaller
than designed. These weak, blue and transparent
flames are termed anemic. If the air shutter opening is too small sooting may develop.
Sooting is indicated by black puffs developing
at the tips of very long orange flames. Sooting
results in black deposits forming on the logs,
appliance inside surfaces and on exterior surfaces adjacent to the vent termination.
Sooting is caused by incomplete combustion in
the flames and a lack of combustion air entering
the air shutter opening. To achieve a warm
yellow to orange flame with an orange body that
does not soot, the shutter opening must be
adjusted between these two extremes. No
smoke or soot should be present. Reposition
the logs if the flames impinge on any of them.
If the logs are properly positioned and sooting
conditions exist, the air shutter opening on the
main burner tube should be adjusted. Normally, the more elbows and horizontal runs
there are in the vent system, the greater the
need for the air shutter to be opened further.
WARNING: AIR SHUTTER ADJUSTMENT
SHOULD ONLY BE PERFORMED BY A
QUALIFIED PROFESSIONAL SERVICE
TECHNICIAN.
ENSURE THAT THE FRONT GLASS PANEL IS IN
PLACE AND SEALED DURING ADJUSTMENT.
Adjustment
CAUTION: THE ADJUSTMENT ROD AND
NEARBY APPLIANCE SURFACES ARE HOT.
EXERCISE CAUTION TO AVOID INJURY WHILE
ADJUSTING FLAME APPEARANCE.
To adjust the flame, move the adjustment rod
(located in the lower control area) up or down
to increase or reduce the air shutter opening
respectively. Initially, always position the air
shutter to the factory setting (the minimum air
opening position as shown in
page 7
. This can be done by pulling the
adjustment rod all the way down.
Figure 6, on
6
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
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