ORIFICE
LOCATION

23

MAINTENANCE

TURN OFF THE GAS AND UNPLUG

ELECTRICAL POWER BEFORE

SERVICING THE STOVE!

CAUTION: Label all wires prior to disconnection when servic- ing controls. Wiring errors can cause improper and dangerous operation. Verify proper operation after servicing. This stove and its venting system should be inspected before use and at least annually by a qualified service person. The fireplace area must be kept clear and free of combustible materials, gasoline or other flammable vapours and liquids. The flow of combustion and ventilation air must not be obstructed.

1. In order to properly clean the burner and pilot assembly, remove the logs exposing both assemblies.

2. Keep the control compartment, logs, burner, air shutter opening and the area surrounding the logs clean by vacuum-

ing or brushing, at least once a year.

3. Check to see that all burner ports are burning. Clean out any of the ports which may not be burning or are not burning properly.

4. Check to see that the pilot flames are large enough to engulf the thermocouple and the thermopile on one leg and reaches toward the burner on the other leg.

5. Replace the cleaned logs.

6. Check to see that the main burner ignites completely on all openings when the gas knob for the burner is turned on. A 5-10 second total light-up period is satisfactory. If ignition takes longer, consult your Napoleon dealer/distributor.

7.Check that the door gasketing is not broken or missing.

ADJUSTMENTS

PILOT INJECTOR AND ORIFICE REPLACEMENT

1.Turn off the electrical and gas supply to the fire- place.

2.Remove the cast front, glass viewing door and log set.

3.Remove the 2 securing screws. Slide the burner

assembly to the right and lift out.

4.Using a deep 9/16” socket wrench, remove the main

burner orifice. A 7/8back-up wrench must be used on the manifold, located below the housing to ensure that the aluminum tubing does

not twist or kink. Replace the correct burner orifice using pipe thread compound.

5.Loosen nut and replace with appro- priate injector

6.Reinstall the burner ensuring that the Venturi tube fits over the orifice.

BURNER

ASSEMBLY

FIGURE 37

NOTE: Check and adjust, if necessary, the primary air to 7/16” for propane and 1/4” for natural gas. Replace the

screws.

7.Turn on the gas supply and check for gas leaks by brushing on a soap and water solution.

Do not use open flame.

8.Replace the log set. Then light the pilot and main burner to ensure that the gas lines have been purged.

9.Replace the glass viewing door and cast front. Turn on the electrical supply to the fireplace.

Purge all gas lines with the glass door removed. Assure that a continuous flow is at the burner before re-installing the door.

This must be carried out by an AUTHORIZED REPRESENTATIVE OF WOLF STEEL LTD. or a QUALIFIED GAS INSTALLER in accordance with local codes or in the absence of local codes with the requirements of the provin- cial / state authorities having jurisdiction and in accordance with the requirements of the CAN1-B149 Installation Code in Canada and the ANSI Z223.1 National Fuel Gas Code in the United States.

FIGURE 35

VENTURI ADJUSTMENT

Remove the 2 screws securing the burner. Natural gas models have air shutters set to 0.25" open (1/4"). Propane models have air shutters set to 0.438" open (7/16").

After making adjustments replace the burner ensuring that the venturi tube fits over the orifice and replace the screws.

Closing the air shutter will cause a more yellow flame, but can lead to carboning. The flame may not appear yellow immediately; allow 15 to 30 minutes for the final flame colour to be established.

FIGURE 36

Air shutter adjustment must only be done by a

qualified gas installer!

W415-0547 / B / 05.08.06

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Napoleon Fireplaces GDS25N GDS25P Adjustments, Maintenance, Pilot Injector and Orifice Replacement, Venturi Adjustment