Assessments - 3, GPA: 3.7
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0 (1/06) PG14D: Floor Model Gas Pasta Cooker INSTALLATION 9 DRAIN VALVE CLOSED ON OT L OFF IP ON OT L OFF I P 1.9. INITIAL ADJUSTMENTS After your appliance has been properly installed as described in the installation section of this manual, it will need to be adjusted to ensure that it will perform as designed. A qualified person must perform these adjustments. To perform these adjustments the following tools will be needed: • Manometer • Digital Thermometer (Temperature Probe) • DC Voltmeter 1.9.1. FILLING THE APPLIANCE Refer to the following procedure to fill the cook tank prior to operation. 1. Ensure that the drain valve is closed. 2. Fill the tank with water until the water reaches the water level line(s). 1.9.2. LIGHTING INSTRUCTIONS Refer to the following instructions to light the appliance. 1. Open gas supply valves to the appliance. 2. Make sure that the appliance is turned OFF. 3. Turn the gas valve knob to the PILOT position and push in on the knob. Hold the knob in for approximately one minute to purge the air out of the line. Hold a flame to the pilot until the pilot ignites; this may take a little while the first time you light the pilot because of the air in the lines. Once lit, hold the knob in for approximately one minute and then release. 4. If the pilot goes out, wait 5 minutes and repeat step C. If after three tries the pilot will not remain lit, refer to the operator troubleshooting section of this manual. 5. Once a pilot flame has been established, turn the gas valve knob counterclockwise to the ON position. 6. The main burners will light and be controlled by the thermostat. WARNING Water must completely cover the heat tubes at all times while appliance is on. CAUTION This appliance is not designed for cooking with oil. Fill with potable water only. WARNING During operation there is an open flame inside this appliance. The unit may get hot enough to set near by materials on fire. Keep the area around the appliance free from combustibles. WARNING If pilot extinguishes, wait 5 minutes before attempting to relight the pilot to allow any built up gas to dissipate. INSTALLATION 10 L20-294, rev. 0 (1/06) ON OFF T P OL I A) Pilot Adjustment (under cap screw) B) Gas Pressure Adjustment (under cap screw) 1.9.3. PILOT FLAME ADJUSTMENT Perform this procedure with the pilot lit. This procedure requires a DC voltmeter set to a scale of 0-1000 mV. Using test leads with sharp probes will help in taking the required readings. 1. Locate the thermopile wires coming from the thermostat/limit box going to the gas valve. The wire size decreases near the gas valve connections. 2. Using the positive (+) test probe, connect the probe to the high limit wire terminal. On particular systems, pierce the high limit wire insulation, with the tip of the test lead probe, at the gas valve safety magnet connection. 3. Connect the negative (-) test probe to the pilot tubing. 4. Remove the cap screw located below the pilot tubing on the gas valve. The pilot flame adjustment screw is recessed behind this. Turning the pilot flame adjustment screw clockwise lowers the pilot flame and millivolt output. Turning the pilot flame adjustment screw counter- clockwise increases the pilot flame size and millivolt output. 5. Rotate the screw in the direction needed to achieve a reading between 600 and 750mV. Note: Allow 3 to 5 minutes between flame adjustments to allow the reading to stabilize. 6. Replace the cap screw. PG14D: Floor Model Gas Pasta Cooker INSTALLATION 11 1) Burner 2) Burner Orifice 3) Air Collar 4) Set Screw 5) Burner Fitting 6) Gas Pressure Test Plug 1.9.4. MAIN BURNER SYSTEM ADJUSTMENT For the main burners to operate the gas supply valve must be open and the thermostat must be turned on. The main power switch must be on. The main burners receive gas from the main gas supply through the thermostatically controlled valve. When the water temperature drops below the preset temperature the gas control valve opens. The main burners must be adjusted to deliver optimum flame. Refer to the following procedure to adjust the main burners. 1. Ensure that the main gas valve is shut off, remove the manifold pressure tap plug and connect an accurate pressure gauge (range of 0-16 “W.C. (39.85mbar, 3.98kPa) in 0.1” (.25mbar, .02kPa) increments) or manometer. 2. Turn on this and all appliances connected to the gas supply line and light their main burners. The pressure reading of the installed pressure gauge should not drop from the required installation pressure. Any loss of pressure indicates inadequate supply line installation, which will cause poor performance of all appliances during peak usage. 3. The installed pressure gauge should be the same, ±0.1” W.C. (.25mbar, .02kPa), as that marked on the data plate on the inside door of the appliance. If the pressure is correct, go to step 6, if it is not, adjust the pressure as outlined in step 4. 4. To adjust the pressure, remove the regulator adjustment screw cap and, with a flat he...
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