Superior DT-400CMN All Models, Model No, Natural Propane, Electronic Appliances Honeywell Systems

Page 28
Manifold

b. Attach manometer to the manifold side pressure test fitting and verify manifold pres- sure reads 3.5 inches water column (0.87 kPa) for natural gas, and 10.0 inches water column (2.49 kPa) for propane gas.

c. Convert the pilot orifice as follows (refer to Figures 62, 63 and 64 ):

Note - Use extra care not to engage the orifice strip with the 7/16" open end wrench (contact- ing the orifice strip could cause strip distortion rendering the pilot inoperative). Also avoid wrench contact to any of the other pilot parts.

CONTROL

OFF ON

IGNITE

Manifold

Pressure

Test Port

Slotted Cap

Inlet Pressure Test Port

I

IS

P

 SpringNatural Propane Spring

Step 6. Electronic Appliances - Adjusting

Screw

All Models

Step 7. Remove the orifice from the mani- fold and replace it with the one provided with the kit. See the following table for orifice sizes for natural and propane models. Figure 67 illustrates the orifice.

Orifice size

Model No.

Natural Propane

Use a 7/16" open end wrench and turn the pilot hex fitting counter-clockwise 1/4 turn. (refer to Figure 62 ).

Note - The orifice strip tab may be randomly located on any side of the hex fitting.

d.Push the orifice strip tab all the way against the hex fitting to align the appropriate gas type orifice (refer to Figures 63 and 64). The type of gas for which the pilot is set, is, the gas type shown on the tab.

e.Retighten, clockwise, the pilot hex fitting until the pilot hood aligns with the thermo- couple and thermopile as indicated by the arrows shown in Figure 62.

Step 6. Electronic Appliances -

Honeywell Systems

See Figure 65 and the instructions provided with the kit. Remove the slotted cap screw, o- ring, pressure-regulating adjusting screw and spring. Retain all parts for possible later use. Install new components from the kit. Black cap and red spring for propane gas units. Silver cap and stainless steel spring for natural gas units. Before installing the cap, attach manometer to the manifold side pressure test fitting and adjust screw until pressure reads 3.5 inches water column (0.87 kPa) for natural gas, and 10.0 inches water column (2.49 kPa) for propane gas.

See Figure 66 and replace the pilot orifice as follows: Remove the ignitor assembly retainer clip, and carefully remove the ignitor assembly.

Exercise extreme care to prevent damage to or breakage of the ignitor assembly.

Figure 65

Remove the screw securing the pilot assembly to its mounting bracket. Back off the flare nut at the end of the pilot gas line to free the pilot assembly from the gas line.

Remove the pilot orifice and replace it with the one provided with the conversion kit. Reinstall the pilot assembly by reversing the steps de- tailed here.

When reinstalling the ignitor assembly, use extreme care to prevent damage and break- age. Do not apply any leverage to the ignitor assembly while restoring the retainer clip to its original position.

Pilot

PilotAssembly

Orifice

Ignitor

Assembly

 

Retaining

Flare Nut

Clip

Note: If the ignitor is damaged, a replacement kit is available - order Catalog Number 87L54.

Figure 66

DT-400

#45

0.048

 

DR-400

inch

 

 

 

Figure 67

Step 8. Reassemble all removed components by reversing the procedures outlined in the preceding steps. Use pipe joint compound or Teflon tape on all pipe fittings before installing (ensure propane resistant compounds are used in propane applications, do not use pipe joint compounds on flare fittings).

Step 9. Attach the conversion label provided in the conversion kit to the rating plate on the appliance.

Step 10. Turn on gas supply and test for gas leaks.

NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.

The manufacturer reserves the right to make changes at any time, without notice, in design, materials, specifications, prices and also to discontinue colors, styles and products. Consult your local distributor for fireplace code information.

Printed in U.S.A. © 2002 by Lennox Hearth Products

 

LHP

P/N 700,020M REV. M 11/2004

 

1110 West Taft Avenue • Orange, CA 92865

 

 

 

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Contents INSTALLATION INSTRUCTIONS DIRECT VENT DT-400& DR-400MODELS Millivolt ElectronicTYPICAL INSTALLATION PACKAGINGINTRODUCTION GENERAL INFORMATIONÀCOTE DE LAPPAREIL Millivolt ModelsElectronic Models All ModelsTypical Locations LOCATIONAPPLIANCE AND VENT CLEARANCES Shelf Height inches mmTYPICAL INSTALLATION SEQUENCE DETAILED INSTALLATION STEPSVENT TERMINATION CLEARANCES Vertical Vent Termination ClearancesCanadian Installation US Installation12 inches 30cm 12 inches 30cmframing depth dimension when the finish AND ROUND HORIZONTAL TERMINATION SV4.5HTR12¹⁄₈material drywall thickness is 1/2 in 13mmFIREPLACE SPECIFICATIONS Step 3. INSTALL THE VENT SYSTEMway. Install vent according to local codes listed for operation and installation withVERTICAL TERMINATION SYSTEMS ROOF Vertical Straight InstallationSelect Venting System - Horizontal or Vertical Vertical Offset Installation Vent / Appliance Collar ConnectionC. Attach vent components to each other ConnectionFraming Dimensions for Roof Pitch0/12 6/12TABLE A VERTICAL VENT FIGURES/TABLESH Maximum Figure 23 - Top Vent - STRAIGHTTABLE D VERTICAL VENT FIGURES/TABLESFigure 26 - Rear Vent - THREE ELBOWS Figure 27 - Top Vent - THREE ELBOWSF.Install firestop/spacer at ceiling TYPICAL HORIZONTAL VENT INSTALLATIONHORIZONTAL OUTSIDE WALL TERMINATION SYSTEM A. Plan the vent runConnecting/Recessing Long Square Horizontal attach termination adapterSquare SV4.5HTS Short Square SV4.5HTSS3.Install the round termination SV4.5HTR HORIZONTAL VENT FIGURES/TABLESVenting Components LONG SQUARE TERMINATIONTABLE F V MinimumH Maximum V MinimumHORIZONTAL VENT FIGURES/TABLE CONTINUED TABLE JH + H1 Maximum termination Figure 39- Top Vent - TWO 90 DEGREE ELBOWSB. Install the Outer Flex Pipe A. Install the Inner Flex PipeC. Route Flex Vent A. SIT and Honeywell Millivolt Wiring Step 4. FIELD WIRINGB. Electronic Wiring See Figure Step 6. CONNECTING GAS LINE Optional Gas Flex Line ConnectorFBK-250Blower Kit See Figure Opening Control Compartment DoorStep 7. INSTALLING LOGS AND GLOWING EMBERS Step 9. INSTALLING THE GLASS DOORAdjustment Sit and Honeywell Millivolt Gas ValveStep 10. BURNER ADJUSTMENTS Step 11. HOOD INSTALLATIONBurner Adjustment FINISHING REQUIREMENTS Wall DetailsINSTALLATION ACCESSORIES MANTEL CLEARANCESInches mm COLD CLIMATE INSULATIONDescription INSTALLATION ACCESSORIES ContinuedModel No. Description AND .2 INSTALLATION CODE GAS CONVERSION KITSIn Canada Natural To Propane Gas Conversion Kit SIT SystemsAdjusting Knob Pilot for SIT Millivolt Gas Valve Pilot OrificePilot for Honeywell Millivolt Gas Valve Step 5. Millivolt Appliances Honeywell SystemsSpring Adjusting Screw Pilot PilotAssembly Orifice Ignitor AssemblyAll Models Model No