valutazioni - 2, GPA: 4.5 ( )

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Front View (CF6500) 19 ..." (495 mm) Left Side View 42 ..." (1070 mm) J Box Opening (Left Side Only) (Right Side View - Opposite) 28 ..." (724 mm) 19 ..." (495 mm) 40" (1016 mm) Top View TROUBLESHOOTING THE CF MILLIVOLT GAS CONTROL SYSTEM Note:Before troubleshooting the gas control system, be sure external gas shut off valve (located at gas supply inlet) is in the “ON” position. SYMPTOM POSSIBLE CAUSES CORRECTIVE ACTION 1. Spark ignitor will not light pilot after repeated triggering of black button. A. Defective ignitor (no spark at electrode). Check for spark at electrode and ODS; if no spark and electrode wire is properly connected, replace ignitor. B. Defective or misaligned electrode at pilot (spark at electrode). Using a match, light pilot. If pilot lights, turn off pilot and trigger the red button again. If pilot lights, an improper gas mixture caused the bad lighting and a longer purge period is recommended. If pilot will not light – check gap at electrode and pilot - should be ..." to have a strong spark. If gap measures ...", replace ODS system (Figure 19). C. Gas supply pressure errant. Check inlet gas pressure. It should be within the limits as marked on the rating plate. D. Pilot orifice plugged. Clean or replace ODS orifice. 2. Pilot will not stay lit after carefully following the lighting instructions. A. Defective pilot generator (thermocouple). Check pilot flame, it must impinge on thermocouple (Figure 19). Clean and/or replace or adjust ODS for maximum flame on thermocouple. Ensure that the connection between the valve and thermocouple are tight and secure. 3. Pilot burning, no gas to burner, Valve knob “ON,” Wall Switch “ON.” A. Wall switch or wires defective. Check wall switch and wires for proper connections. Jumper wire across terminals at wall switch, if burner comes on, replace defective wall switch. If okay, jumper wires across wall switch wires at valve, if burner comes on, wires are faulty or connections are bad. B. Thermopile may not be generating sufficient millivoltage. Check thermopile with millivolt meter. Take reading at thermopile terminals of gas valve. Should read 325 millivolts minimum with optional wall switch “OFF.” Replace faulty ODS system if reading is below specified minimum. C. Plugged burner orifice. Check burner orifice for stoppage and remove. D. Defective door switch (located at Remove door frame (see instructions). lower right corner of door frame). Remove two (2) screws from switch mounting bracket, pull switch out. Jumper wire across terminals of door switch. If burner comes on, door switch is defective. Replace. 4. Frequent pilot outage problem. A. Pilot flame may be too low or blowing (high) causing the pilot safety to drop out. Clean and/or adjust pilot flame for maximum flame impingement on thermocouple (Figure 19). 5. Frequent burner outage problem. A. Pilot flame may be too low or blowing (high) causing the valve safety to drop out. Clean and/or adjust pilot flame for maximum flame impingement on thermopile (Figure 19). LIGHTING INSTRUCTIONS – MILLIVOLT WARNING: IF YOU DO NOT FOLLOW THESE INSTRUCTIONS EXACTLY, A FIRE OR EXPLOSION MAY RESULT CAUSING PROPERTY DAMAGE, PERSONAL INJURY OR LOSS OF LIFE. FOR YOUR SAFETY READ BEFORE LIGHTING • Do not use any phone in your building. • Immediately call your gas supplier from a neighbor’s phone. • If your gas supplier cannot be reached, call the fire department. C. Use only your hand to push in or turn the gas control knob. Never use tools. If the knob will not push in or turn by hand, do not try to repair it, call a qualified service technician. Force or attempted repair may result in a fire or an ...

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