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Hersteller: Vulcan-Hart Dateigröße: 3.35 mb Dateiname: Unterrichtssprache:

Hold a flame (use a taper) to ignite the pilot (through the lighting hole) while depressing knob of the combination control completely. Keep knob depressed for about one minute after the pilot is lit. Release knob, pilot should continue burning, if not repeat this step. 5. After completing above step, turn knob and stop at the “ON” position. 6. Replace cover, replace its lock screw and reconnect the electric power. NOTE: Pilot will not ignite the until gas line is bled free of air. This may necessitate holding the control dial in depressed position for several minutes because the pilot flow is small. 3 SHUT DOWN / PILOT LIGHTING ADJUSTMENTS / CALIBRATING THERMOSTAT 1. Turn thermostat dial to the “OFF” position. 2. Turn the gas service valve to “OFF. LIGHTING AND SHUT DOWN OF AN INTERMITTENT PILOT CAUTION: Before lighting the pilot, both burner and pilot must have been off at least 5 minutes. A. Lighting instructions 1. Remove control panel cover (remove the cover lock screw; lift, pull out at bottom, and lower). 2. Turn knob of the combination valve counterclockwise until it stops at the “ON” position. 3. Turn master power switch (upper right hand comer of control panel) to the “ON” position (light on). 4. The pilot will begin sparking, and the pilot will light. 5. Insure pilot has been lit by viewing the pilot flame through the view port (located in the lower front of the kettle). 6. The pilot will remain lit as long as the master power switch is in the “ON" position. 7. Replace the control panel cover and lock screw. B. Shut-Off Instructions 1. To make sure pilot and main burners inoperable, turn the knob of the combination valve clockwise until it stops. 2. To completely shut off, close the gas service valve. ADJUSTMENTS: The following adjustments were factory made, but slight readjustments may be required at installation to compensate for differences in gas, altitude and other variables. ADJUSTING THE PILOT FLAME: Remove the panel in front of the main burners (lower front of unit). The pilot should bum with a steady blue flame which envelopes %" to W of the thermocouple tip. To adjust, on the combination control inside the control box, remove the screw cap and turn the adjusting screw clockwise to decrease the flame or counter clockwise to increase it. ADJUSTING THE MAIN BURNER FLAME: With the combination control dial turned from pilot to “on”, with the control box cover replaced, witht he electrical power on, turn the thermostat dial to “on” and allow burners to operate. Note the flame on each burner and adjust each air shutter to give a steady blue flame. To adjust an air shutter (burners must be off), pull the burner forward, loosen the shutter locks crew, put burner back in position, adjust the shutter with the burner operating, then tighten the shutter lock screw. CALIBRATING THERMOSTAT Turn the thermostat dial to its highest setting and allow the burners to operate until the thermostat functions to shut them off. Note the jacket pressure as shown by pressure gauge at this instant. If the burner shuts off and jacket pressure reaches 12 to 13 p.s.i., the thermostat calibration is conect. If not, recalibrate thermostat as follows: Remove the thermostat dial by pulling it forward, turn the small screw center of the hollow dial shaft slightly counterclockwise to increase pressure, clockwise to decrease it. Check and repeat the adjustment if necessary. MAIN BURNER AIR SUPPLY For efficient burner operation, it is important that a proper balance of gas volume and primary air supply is maintained, resulting in complete combustion. Insufficient air supply results in a yellow streaming flame. The primary air supply is controlled by the air shutter on the front of the burner venturi. NOTE: 1. If the appliance is to be located in a confined area, provisions must be made for an adequate air supply. 2. The burners are located on the underside of the kettle. This area must be kept clear of all obstructions and debris in order that all air openings into the combustion chamber are not blocked. 3. For proper service and operation of the appliance it is recommended that the minimum clearances to adjacent combustible construction listed on the index page always be maintained. SERVICE GENERAL NOTES A gas pressure regulating valve is an integral part of the combination control valve and is set for 3W W.C. for natural gas and 11" W.C. for propane gas. Limited adjustment of this is provided by a screw under the cap at right rear of the control dial. Turn screw clockwise to increase pressure. Use a s/s4" Allen wrench. Main burner orifices are fixed and sized to give 15,000 BTU/hr per burner. The pilot burner has a limiting orifice, but an adjustable valve (under the cap at the left rear of the combination control dial) is provided for fine adjustment. Turn clockwise to decrease pilot flame. Pilot burner flame should be steady, blue flame which envelopes %" to 1/2" of the thermocouple ti...

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