Lennox Hearth E42ODG, E36ODG manual Electronic Pilot, Lhp

Pilot Stage

Terminal

Ground (TP)

TP

Gas Outlet

To Burner

Pressure-Tap (Inlet)

	IN
TH TP
LO	HI
TH	OUT
	VENT

Pilot Gas

Outlet

PILOT

IN

Supply Gas Inlet

Use pipe joint compound or Teflon tape on all pipe fittings before installing (ensure propane resistant compounds are used in propane ap- plications, do not use pipe joint compounds on flare fittings).

Remove Tube

Remove Clip

Shutter

Opening

Burner Stage	Regulator	Pressure-Tap
Terminal	Mounting Screw	(Manifold)

Figure 2

ELECTRONIC PILOT
	Pilot
Sensor	Hood
Ignitor

PROPANE NATURAL

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

Figure 3

Electronic Appliances

Step 4. Dexen Electronic Valves - See Figure 2 and the instructions provided with the kit. Re- move and discard the two pressure regulator mounting screws. Remove the pressure regu- lator and diaphragm. Discard all removed components. Ensure the provided diaphragm is installed properly onto the replacement pres- sure regulator and install the new pressure regulator using the new screws supplied with the kit. Tighten screws.

See Figure 3 and replace the pilot orifice as follows: Remove pilot hood assembly to access the pilot orifice. Remove and replace the orifice with the one provided with the kit. Exercise extreme care to prevent damage to or break- age of the ignitor assembly.

Step 5. (Refer to Figure 5 )

A. Remove the orifice from the manifold and replace it with the one provided in the kit. See the following table for orifice sizes for natural and propane models. Figure 4 illustrates the orifice.

B. Retrieve the burner and slide the venturi tube over the orifice. Set the shutter adjusting opening as shown in Figure 5.

Model No.	Orifice size
	Natural	Propane
All Models	#28	#47
	0.1405	0.0785

Figure 4

Step 6. Reassemble the remaining compo- nents by reversing the procedures outlined in the preceding steps.

Orifice	Regulator
	MAIN BURNER
FACTORY SHUTTER OPENING SETTING
Models	Natural Gas	Propane Gas
	inches (mm)	inches (mm)
All	1/16 (1.58)	1/2 (12.7)
Models
Figure 5

Step 7. Attach appropriate conversion kit label (Figure 6 ) to the rating plate on the appliance.

THIS APPLIANCE HAS BEEN CONVERTED TO:

NATURAL GAS

INPUT BTU/HR –

MANIFOLD PRESSURE –

ORIFICE SIZE –

THIS APPLIANCE HAS BEEN CONVERTED TO:

PROPANE/LPG

INPUT BTU/HR –

MANIFOLD PRESSURE –

ORIFICE SIZE –

Figure 6

Step 8. Turn on gas supply and test for gas leaks, using a soapy water solution.

NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.

Lennox Hearth Products 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. © 2006 by Lennox	LHP
	1110 West Taft Avenue
P/N 750,222M REV. A 07/2006	Orange, CA 92865