Heat-N-Glo SL-550TR Installer'S Manual Download Page 14

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Figure 7. D-Series Direct Vent Component Specifications
(5-inch inner pipe/8 5/8-inch outer pipe)

NOTE: PIPES OVERLAP 1 3/8 INCHES (34.93 mm) AT EACH JOINT.

DV-90D

6 5/32

5 7/8

7 3/8

DV-45D

6 7/16

11 1/16

6 1/2

8 5/8

8 1/2

5 1/16

8 /12

11 5/8

8 5/8

11 15/16

DV-36D

35 3/4

47 3/4

DV-48D

5 3/4

8 3/4

11 3/4

DV-12D

DV-09D

DV-06D

6-5/32"

7-3/8" 5-7/8"

8-1/2"

8-5/8"

(220 mm)
11-15/16"

11-5/8"

11-1/16"

6-1/2"

8-5/8"

5-1/16"

8-1/2"

6-7/16"

35-3/4"

47-3/4"

11-3/4"

8-3/4"

5-3/4"

NOTE: PIPES OVERLAP 1-3/8 INCHES (34.93 mm) AT EACH JOINT.

Summary of Contents for SL-550TR

Page 1: ...LLERS GUIDE MUST BE LEFT WITH APPLIANCE FOR FUTURE REFERENCE 1 This appliance may be installed in an aftermarket permanently located manufactured mobile home where not prohibited by local codes 2 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 unless a certified kit is used Please contact your Heat N Glo d...

Page 2: ... PLACED on or near the appliance Children and adults should be ALERTED to the hazards of high surface temperature and should STAY AWAY to avoid burns or clothing ignition Young children should be CAREFULLY SUPERVISED when they are in the same room as the appliance These units MUST use one of the vent systems described in the Installing the Fireplace section of the Installers Guide NO OTHER vent sy...

Page 3: ... System Approvals 10 B Installing Vent Components 28 C Vent Termination 34 Step 4 Positioning Leveling and Securing the Fireplace 39 Step 5 The Gas Control Systems 39 Step 6 The Gas Supply Line 40 Step 7 Gas Pressure Requirements 41 Step 8 Wiring the Fireplace 42 Step 9 Finishing 44 Step 10 Installing Trim Logs and Ember Material 45 Installing the Trim 45 Positioning the Logs 46 Placing the Ember ...

Page 4: ...ter NOTE ALL MODELS ARE UL LISTED TO UL307B THE STANDARD FOR GAS BURNING HEATING APPLIANCES FOR MANUFACTURED HOMES AND RECREATIONAL VEHICLES Installation Codes The fireplace installation must conform to local codes Before installing the fireplace consult the local building code agency to ensure that you are in compliance with all applicable codes including permits and inspections In the absence of...

Page 5: ... be reduced four percent 4 for each 1 000 feet above sea level unless the heating value of the gas has been reduced in which case this general rule will not apply To identify the proper orifice size check with the local gas utility When installing this fireplace at an elevation between 2 000 and 4 500 feet in Canada the input rating must be reduced by ten percent 10 When installing this fireplace ...

Page 6: ...s and trim doors are shipped in separate packages The gas logs are packaged separately and must be field installed Read all of the instructions before starting the installation Follow these instructions carefully during the installation to ensure maximum safety and benefit Failure to follow these instructions will void the owner s warranty and may present a fire hazard The Heat N Glo Warranty will...

Page 7: ...ectrical wiring Framing and finishing details Whether optional accessories devices such as a fan wall switch or remote control are desired If the fireplace is to be installed on carpeting or tile or on any combustible material other than wood flooring the fireplace should be installed on a metal or wood panel that extends the full width and depth of the fireplace ...

Page 8: ...5 Figure 1 Diagram of the SL 950TR ...

Page 9: ...6 Figure 2 Diagram of the SL 750TR and SL 750TRS ...

Page 10: ...7 Figure 3 Diagram of the SL 550TR and SL 550TRS ...

Page 11: ...irements The top and back of the fireplace are defined by stand offs MODEL RECESSED DEPTH SL 950 TR 16 1 4 SL 750TR SL 750TRS 16 1 4 SL 550TR SL 550TRS 16 1 4 The minimum clearance to a perpendicular wall extending past the face of the fireplace is 3 inches 76 2mm The back of the fireplaces may be recessed into combustible construction as shown below Minimum Clearances from the Fireplace to Combus...

Page 12: ...d be positioned to accommodate wall coverings and fireplace facing material The diagram below shows framing reference dimensions CAUTION MEASURE FIREPLACE DIMENSIONS AND VERIFY FRAMING METHODS AND WALL COVERING DETAILS BEFORE FRAMING CONSTRUCTION BEGINS Framing should be constructed of 2 X 4 lumber or heavier The framing headers may rest on the fireplace stand offs Model A B C D E SL 950TR 49 42 1...

Page 13: ...UST NOT MIX D SERIES AND SL D SERIES COMPONENTS IN ANY VENT SYSTEM CONFIGURATION Identifying Vent Components Approved vent system components are labeled for identification NO OTHER VENTING SYSTEMS OR COMPONENTS MAY BE USED Detailed installation instructions are included with each vent termination kit and should be used in conjunction with this Installers Guide Figure 6 shows vent system components...

Page 14: ...NT DV 90D 6 5 32 5 7 8 7 3 8 DV 45D 6 7 16 11 1 16 6 1 2 8 5 8 8 1 2 5 1 16 8 12 11 5 8 8 5 8 11 15 16 DV 36D 35 3 4 47 3 4 DV 48D 5 3 4 8 3 4 11 3 4 DV 12D DV 09D DV 06D 6 5 32 7 3 8 5 7 8 8 1 2 8 5 8 220 mm 11 15 16 11 5 8 11 1 16 6 1 2 8 5 8 5 1 16 8 1 2 6 7 16 35 3 4 47 3 4 11 3 4 8 3 4 5 3 4 NOTE PIPES OVERLAP 1 3 8 INCHES 34 93 mm AT EACH JOINT ...

Page 15: ...12 Figure 8 SL D Series Direct Vent Component Specifications 4 inch inner pipe 6 5 8 inch outer pipe ...

Page 16: ...TICALVENTING V FT 40 MAX Figure 9 Straight up Vertical Venting NOTE For vertical venting over 20 feet a restrictor plate is recommended for improved flame appearance See accessories page Use SL D Series components only ...

Page 17: ...610 mm Use D Series components only Figure 10 Straight Out Horizontal Venting Note You may use a 45o elbow in corner installations for models SL 550TR and SL 750TR ONLY Use two 90o elbows for corner installations on SL 550TRS SL 750TRS and SL 950TR ...

Page 18: ...ONE 1 90o ELBOW V FT H FT 1 MIN 305mm 2 MAX 610mm 2 MIN 610mm 4 MAX 1 22m 3 MIN 914mm 6 MAX 1 86m 4 MIN 1 22m 8 MAX 2 48m V H 40 MAX 12 2m H 8 MAX 2 48m Use D Series components only Figure 11 Venting with One 90 Elbow ...

Page 19: ...AX H MAX 2 5 FT 863mm 2 FT 610mm 3 FT 914mm 3 FT 914mm 4 FT 1 22m 4 FT 1 22m 6 FT 1 86m 6 FT 1 86m 8 FT 2 48m 8 FT 2 48m 16 FT 4 8m 16 FT 4 8m MODEL SL 550TR V MIN H MAX 90o Elbow on Top 2 5 FT 863mm 1 FT 305mm 2 5 FT 863mm 2 FT 610mm 4 FT 1 22m 3 FT 914mm 6 FT 1 86m 4 FT 1 22m 8 FT 2 48m 5 FT 1 52m 16 FT 4 8m VENTING WITH ONE 1 90o ELBOW PROPANE H MAX 16 FT 4 8m V H MAX 40 FT 12 2m MODEL SL 750TR...

Page 20: ...ELBOW NATURAL GAS H MAX 16 FT 4 8m V H MAX 40 FT 12 2m MODEL SL 750TRS H MAX 2 FT 610mm 3 FT 914mm 4 FT 1 22m 6 FT 1 86m 8 FT 2 48m 16 FT 4 8m VENTING WITH ONE 1 90o ELBOW PROPANE MODEL SL 550TRS V MIN H MAX 90o Elbow on Top NOT ALLOWED 1 FT 305mm 2 FT 610mm 2 FT 610mm 4 FT 1 22m 3 FT 914mm 6 FT 1 86m 4 FT 1 22m 8 FT 2 48m 5 FT 1 52m 16 FT 4 8m H MAX 16 FT 4 8m V H MAX 40 FT 12 2m MODEL SL 750TRS ...

Page 21: ...AX 3 6 m 4 MIN 1 22 m 8 MAX 2 48 m 16 MAX 4 8 m H 8 MAX 2 48 m H H1 16 MAX 4 8m V H H1 40 12 2m MAX VENTING WITH TW0 2 90 ELBOWS V FT H H1 FT 1 MIN 305 mm 2 MAX 610 mm 2 MIN 610 mm 4 MAX 1 22 m 3 MIN 914 mm 6 MAX 1 86 m 4 MIN 1 22 m 8 MAX 2 48 m H H1 8 MAX 2 48 m V H H1 40 12 2m MAX Use D Series components only Figure 14 Venting with Two 90 Elbows ...

Page 22: ...863mm 2 FT 610mm 3 FT 914mm 3 FT 914mm 4 FT 1 22m 4 FT 1 22m 6 FT 1 86m 6 FT 1 86m 8 FT 2 48m 8 FT 2 48m 16 FT 4 8m 16 FT 4 8m MODEL SL 550TR V MIN H H1 MAX 90o Elbow on Top 2 5 FT 863mm 1 FT 305mm 2 5 FT 863mm 2 FT 610mm 4 FT 1 22m 3 FT 914mm 6 FT 1 86m 4 FT 1 22m 8 FT 2 48m 5 FT 1 52m 16 FT 4 8m VENTING WITH TWO 2 90o ELBOWS PROPANE H H1 MAX 16 FT 4 8m V H H1 MAX 40 FT 12 2m MODEL SL 750TR MODEL...

Page 23: ...BOWS PROPANE H H1 MAX 16 FT 4 8m V H H1 MAX 40 FT 12 2m MODEL SL 550TRS V MIN H H1 MAX 90o Elbow on Top NOT ALLOWED 1 FT 305mm 2 FT 610mm 2 FT 610mm 4 FT 1 22m 3 FT 914mm 6 FT 1 86m 4 FT 1 22m 8 FT 2 48m 5 FT 1 52m 16 FT 4 8m MODEL SL 750TRS H H1 MAX NOT ALLOWED 2 FT 610mm 4 FT 1 22m 6 FT 1 86m 8 FT 2 48m 16 FT 4 8m MODEL SL 550TRS V MIN H H1 MAX 90o Elbow on Top 2 FT 610mm 1 FT 305mm 3 FT 914mm 2...

Page 24: ... 3 FT 914mm 3 FT 914mm 4 FT 1 22m 4 FT 1 22m 6 FT 1 86m 6 FT 1 86m 8 FT 2 48m 8 FT 2 48m 16 FT 4 8m 16 FT 4 8m MODEL SL 550TR V MIN H MAX 90o Elbow on Top 2 5 FT 863mm 1 FT 305mm 2 5 FT 863mm 2 FT 610mm 4 FT 1 22m 3 FT 914mm 6 FT 1 86m 4 FT 1 22m 8 FT 2 48m 5 FT 1 52m 16 FT 4 8m VENTING WITH TWO 2 90o ELBOWS PROPANE H MAX 16 FT 4 8m V V1 H MAX 40 FT 12 2m MODEL SL 750TR MODEL SL 950TR H MAX H MAX ...

Page 25: ... ELBOWS PROPANE H MAX 16 FT 4 8m V V1 H MAX 40 FT 12 2m MODEL SL 550TRS V MIN H MAX 90o Elbow on Top NOT ALLOWED 1 FT 305mm 2 FT 610mm 2 FT 610mm 4 FT 1 22m 3 FT 914mm 6 FT 1 86m 4 FT 1 22m 8 FT 2 48m 5 FT 1 52m 16 FT 4 8m MODEL SL 750TRS H MAX NOT ALLOWED 2 FT 610mm 4 FT 1 22m 6 FT 1 86m 8 FT 2 48m 16 FT 4 8m MODEL SL 550TRS V MIN H MAX 90o Elbow on Top 2 FT 610mm 1 FT 305mm 3 FT 914mm 2 FT 610mm...

Page 26: ...X 2 48 m 16 MAX 4 8 m NOTE V V H H1 40 12 2m MAX V FT H FT H H1 FT V FT H FT H H1 H2 FT 1 MIN 305 mm 2 MAX 610 mm 4 MAX 1 22 mm 2 MIN 610 mm 4 MAX 1 22 m 8 MAX 2 48 m 3 MIN 914 mm 6 MAX 1 86 m 12 MAX 3 7 m 4 MIN 1 22 m 8 MAX 2 48 m 16 MAX 4 8 m V H H1 H2 40 12 2m MAX H 8 MAX 2 48m H H1 H2 16 MAX 4 8m VENTING WITH THREE 3 90 ELBOWS Figure 19 Venting with three 90 elbows Use D Series components only...

Page 27: ...8m 5FT 1 52m 16FT 4 8m 16FT 4 8m 16FT 4 8m 16FT 4 8m 16FT 4 8m 16FT 4 8m VENTING WITH THREE 3 90o ELBOWS NATURAL GAS V H V1 H1 MAX 40 FT 12 2m VENTING WITH THREE 3 90o ELBOWS PROPANE MODEL SL 550TR MODEL SL 750TR MODEL SL 950TR V MIN H MAX H H1 MAX H MAX H H1 MAX H MAX H H1 MAX 90o ElbowonTop 2 5FT 863mm 5FT 1 53m NOTALLOWED NOTALLOWED NOTALLOWED NOTALLOWED 1FT 305mm 2 5FT 863mm 5FT 1 53m 2FT 610m...

Page 28: ... 4 FT 1 22m 8 FT 2 48m 4 FT 1 22m 8 FT 2 48m 3FT 914mm 6 FT 1 86m 12 FT 3 72m 6 FT 1 86m 12FT 3 72m 4 FT 1 22m 8 FT 2 48m 16 FT 4 8m 8 FT 2 48m 16 FT 4 8m 5 FT 1 52m 16 FT 4 8m 16 FT 4 8m 16 FT 4 8m 16 FT 4 8m MODELSL 550TRS MODELSL 750TRS V MIN H MAX H H1 MAX H MAX H H1 MAX 90o Elbow onTop NOTALLOWED NOTALLOWED NOTALLOWED NOTALLOWED 1FT 305mm 2FT 610mm 4 FT 1 22m 2FT 610mm 4 FT 1 22m 2FT 610mm 4 ...

Page 29: ... H H1 MAX 2 5 FT 863mm 2 FT 610mm 3 FT 914mm 3 FT 914mm 4 FT 1 22m 4 FT 1 22m 6 FT 1 86m 6 FT 1 86m 8 FT 2 48m 8 FT 2 48m 16 FT 4 8m 16 FT 4 8m MODEL SL 550TR V MIN H H1 MAX 90o Elbow on Top 2 5 FT 863mm 1 FT 305mm 2 5 FT 863mm 2 FT 610mm 4 FT 1 22m 3 FT 914mm 6 FT 1 86m 4 FT 1 22m 8 FT 2 48m 5 FT 1 52m 16 FT 4 8m VENTING WITH THREE 3 90o ELBOWS PROPANE H H1 MAX 16 FT 4 8m V V1 H H1 MAX 40 FT 12 2...

Page 30: ... ELBOWS PROPANE H H1 MAX 16 FT 4 8m V V1 H H1 MAX 40 FT 12 2m MODEL SL 550TRS V MIN H H1 MAX 90o Elbow on Top NOT ALLOWED 1 FT 305mm 2 FT 610mm 2 FT 610mm 4 FT 1 22m 3 FT 914mm 6 FT 1 86m 4 FT 1 22m 8 FT 2 48m 5 FT 1 52m 16 FT 4 8m MODEL SL 750TRS H H1 MAX NOT ALLOWED 2 FT 610mm 4 FT 1 22m 6 FT 1 86m 8 FT 2 48m 16 FT 4 8m MODEL SL 550TRS V MIN H H1 MAX 90o Elbow on Top 2 FT 610mm 1 FT 305mm 3 FT 9...

Page 31: ... shield Replace the exhaust shield Venting Out the Top Vent Remove the top vent collar seal cap by cutting the strap at each end See Figure 24 Remove the insulation inside BOTH collars See Figure 24 Next remove the glass door Remove the 4 diameter disk in the center of the TOP heat shield by twisting the disk and breaking it out This can be done from inside the firebox or by reaching through the v...

Page 32: ...sly installed component end with four 4 equally spaced indented sections When the internal beads of each outer pipe line up rotate the pipe section clockwise about one quarter 1 4 turn The vent pipe is now locked together 1 Apply the stove cement 2 Line up the internal beads and rotate the pipe sections clock wise until locked 3 Lock the vent compo nents into place 4 Check the seal on the fiber ga...

Page 33: ...ked into the preceding com ponent in the vent system 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 Continue adding vent components locking each succeeding component into place Figure 26 Adding Venting Components 3 Insta...

Page 34: ...feet 2 4 m above the fireplace flue outlet Figure 27 Installing Support Brackets 4 Install Firestops For Horizontal Runs Firestops are REQUIRED on both sides of a combustible wall through which the vent passes NOTE Model DVK 01TRD or SLK 01TRD do not need an exterior firestop on an exterior combustible wall To install firestops for horizontal runs that pass through either interior or exterior wall...

Page 35: ...e top of the hole Continue the vent run through the firestops 1 Cut the hole through the wall Figure 28 Hole and Vent Pipe 2 Position the firestops 3 Place the heat shield to the top 4 Continue the vent run Figure 29 Heat Shield Interior and Exterior Firestops For Vertical Runs One ceiling firestop is REQUIRED at the hole in each ceiling through which the vent passes To install firestops for verti...

Page 36: ...or drive a nail through this centerpoint Check the floor above for any obstructions such as wiring or plumbing runs Reposition the fireplace and vent system if neces sary to accommodate the ceiling joists and or obstructions Cut an 11 inch X 11 inch 280 mm X 280 mm for D series or 10 inch X 10 inch 254 mm X 254 mm for SLD series pipe hole through the ceiling using the centerpoint previously marked...

Page 37: ... of the Installing Vent Components sec tion The termination kit should pass through the wall firestops from the exterior of the building Adjust the termination cap to its final exterior posi tion on the building WARNING THE TERMINATION CAP MUST BE POSITIONED SO THAT THE ARROW IS POINTING UP For roundcap termination kits Use the exterior pipelock hole provided on the round flange of the wall firest...

Page 38: ...F THE CAP MUST BE A MINIMUM OF 6 INCHES 152 MM AWAY FROM A PARALLEL OUTSIDE WALL VENTING TERMINALS SHALL NOT BE RECESSED INTO A WALL OR SIDING SEE THE FOLLOWING DIAGRAM FOR VENT TERMINATION CLEARANCES For round cap termination 1 Secure the pipe using the exterior pipelock hole on the round flange of the wall firestop For trapezoidal termination 1 Screw the cap to the exterior wall through the flan...

Page 39: ...clearance to non mechanical air supply inlet to building 12 Canada or the combustion air inlet to any other appliance K 3 ft U S A clearance to a mechanical air supply inlet 6 ft Canada L 7 ft clearance above paved sidewalk or a paved driveway located on public property M 18 clearance under veranda porch deck or balcony 30 minimum for vinyl clad soffits a vent shall not terminate directly above a ...

Page 40: ...the roof hole Use framing lumber the same size as the roof rafters and install the frame securely Flashing anchored to the frame must withstand heavy winds Continue to install concentric vent sections up through the roof hole and up past the roof line until you reach the appropriate distance above the roof WARNING MAJOR U S BUILDING CODES SPECIFY MINIMUM CHIMNEY AND OR VENT HEIGHT ABOVE THE ROOF T...

Page 41: ...ap over the end of the vent pipe and rotate the pipe clockwise 1 4 turn 1 Attach the flashing and apply sealant around the edges of the flashing base 2 Attach the storm collar over the flashing joint and apply sealant between the storm collar and vertical pipe Roof Pitch H min ft flat to 6 12 1 0 6 12 to 7 12 1 25 over 7 12 to 8 12 1 5 over 8 12 to 9 12 2 0 over 9 12 to 10 12 2 5 over 10 12 to 11 ...

Page 42: ...nding Pilot Ignition and Direct Spark Ignition DSI Model SL 750TRS and SL 550TRS have Standing Pilot Ignition only Standing Pilot Ignition System This system includes millivolt control valve standing pilot thermopile thermocouple flame sensor and piezo ignitor WARNING 110 120 VAC MUST NEVER BE CONNECTED TO A CONTROL VALVE IN A MILLIVOLT SYSTEM Direct Spark Ignition DSI System This system includes ...

Page 43: ...the gas supply line A listed manual shut off valve and a listed flexible gas connector are connected to the 3 8 inch 10 mm inlet of the control valve Some gas control valves have this tapping on the face of the valve A 1 8 inch 3 mm N P T plugged tapping acces sible for test gauge connection should be provided for in the gas supply line leading to the unit s shut off valve Locate the gas line acce...

Page 44: ...ately upstream of the gas supply connection to the fireplace Some gas control valves have inlet supply and manifold pressure tappings on the face of the valve The fireplace and its individual shut off valve must be disconnected from the gas supply piping system during any pressure testing of the system at test pressures in excess of one half 1 2 psig 3 5 kPa The fireplace must be isolated from the...

Page 45: ...NTROL VALVE OR REMOTE WALL SWITCH OR THE APPLIANCE WILL MALFUNCTION AND THE VALVE WILL BE DESTROYED Optional Accessories Optional fan and remote control kits require that 110 120 VAC be wired to the factory installed junction box before the fireplace is permanently installed Remote Wall Switch Position the remote wall switch in the desired position on a wall Run a maximum of 25 feet 7 8 m or less ...

Page 46: ... screw through the other tab into the pilot hole on the outer wrap Optional Accessories Optional fan and remote control kits require that 110 120 VAC be wired to the fireplace junction box Remote Wall Switch Position the remote wall switch in the desired position on a wall Run 16 A W G minimum Romex wire and connect it to the fireplace ON OFF switch pigtails NOTE Electricalwiringmustbeinstalledbya...

Page 47: ...ET GRILLES IN ANY MANNER Figure 41 Direct Spark Ignition DSI Wiring Diagram Step 9 Finishing The following diagram shows the minimum vertical and corresponding maximum horizontal dimensions of fireplace mantels or other combustible projections above the top front edge of the fireplace See Figures 4 and 5 for other fireplace clearances Only non combustible materials may be used to cover the black f...

Page 48: ...talling the Trim Combustible materials may be brought up to the specified clearances on the side and top front edges of the fireplace but MUST NEVER overlap onto the front face The joints between the finished wall and the fireplace top and sides can only be sealed with a 300 F 149 C minimum sealant WARNING WHEN FINISHING THE FIREPLACE NEVER OBSTRUCT OR MODIFY THE AIR INLET OUTLET GRILLES IN ANY MA...

Page 49: ...ed with this gas fireplace The bag labeled Golden Ember GE 93 is flame colorant material The bag labeled Glowing Ember 050 721 is standard glowing ember material To place the ember material Remove the top louver by lifting it up and away from the unit Unlatch the latches at the top and bottom of the glass door Remove the glass door from the unit Cover the top of the burner with a single layer of e...

Page 50: ...H OPTIONAL MESH SCREENS BE INSTALLED ON PROPANE MODELS Figure 44 GlassAssembly CAUTION THE GLASS DOOR MUST BE SECURELY LATCHED BEFORE OPERATING THE UNIT 1 Place the ember material onto the top of the burner 1 Lift the top louver up and out of the unit 2 Unlatch and remove the glass door from the unit ...

Page 51: ...rranties A small amount of air will be in the gas supply lines When first lighting the fireplace it will take a few minutes for the lines to purge themselves of this air Once the purging is complete the fireplace will light and will operate normally Subsequent lightings of the fireplace will not require this purging of air from the gas supply lines unless the gas valve has been turned to the OFF p...

Page 52: ...g For more information see Placing Ember Material in the INSTALLERS GUIDE Cleaning Once annually Qualified Brush or vacuum the control Burner Service compartment fireplace logs and Controls Technician burner areas surrounding the logs Checking Periodically Qualified Make a visual check of your fireplace s Flame Service flame patterns Make sure the flames Patterns Technician are steady not lifting ...

Page 53: ... FLAMES TOO CLOSE TO THE CERAMIC INSULATORS CAN CAUSE NUISANCE LOCKOUTS AND ELECTRODE FAILURE DSI IGNITION Figure 46 Burner Flame Patterns MAKE SURE THE FLAMES ARE STEADY NOT LIFTING OR FLOATING Figure 47 Pilot Ignitor Flame Patterns ...

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