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Фрагмент инструкции
A) Contact local natural gas company B) Clean ODS/pilot (see Cleaning and Maintenance, page 22) or replace ODS/pilot assembly 7. Replace thermocouple 8. Replace control valve Continued TROUBLESHOOTING Continued OBSERVED POSSIBLE PROBLEM CAUSE REMEDY Burner does not light 1. Burner orifice is after ODS/pilot is lit clogged 2. Burner orifice diameter is too small 3. Inlet gas pressure is too low Delayed ignition of burner Burner backfiring during combustion 1. Manifold pressure is too low 2. Burner orifice is clogged 1. Burner orifice is clogged or damaged 2. Burner damaged 3. Gas regulator defective 1. Clean burner (see Cleaning and Maintenance, page 22) or replace burner orifice 2. Replace burner orifice 3. Contact local natural gas company 1. Contact local natural gas company 2. Clean burner (see Cleaning and Maintenance, page 22) or replace burner orifice 1. Clean burner (see Cleaning and Maintenance, page 22) or replace burner orifice 2. Replace burner 3. Replace gas regulator Yellow flame during burner combustion 1. Not enough air 2. Gas regulator defective 1. Check burner for dirt and debris. If found, clean burner (see Cleaning and Maintenance, page 22) 2. Replace gas regulator Slight smoke or odor during initial operation 1. Residues from manufacturing processes 1. Problem will stop after a few hours of operation Heater produces a whistling noise when burner is lit 1. Turning control knob to HI position when burner is cold 2. Air in gas line 3. Air passageways on heater blocked 4. Dirty or partially clogged burner orifice 1. Turn control knob to LO position and let warm up for a minute 2. Operate burner until air is removed from line. Have gas line checked by local natural gas company 3. Observe minimum installation clearances (see Figure 4, page 10) 4. Clean burner (see Cleaning and Maintenance, page 22) or replace burner orifice 24 TROUBLESHOOTING Continued WARNING If you smell gas • Shut off gas supply. • Do not try to light any appliance. • Do not touch any electrical switch; do not use any phone in your building. • Immediately call your gas supplier from a neighbor’s phone. Follow the gas supplier’s instructions. • If you cannot reach your gas supplier, call the fire department. IMPORTANT: Operating heater where impurities in air exist may create odors. Cleaning supplies, paint, paint remover, cigarette smoke, cements and glues, new carpet or textiles, etc., create fumes. These fumes may mix with combustion air and create odors. OBSERVED POSSIBLE PROBLEM CAUSE REMEDY Heater produces a clicking/ticking noise just after burner is lit or shut off Heater produces unwanted odors Heater shuts off in use (ODS operates) Gas odor even when control knob is in OFF position Gas odor during combustion Moisture/condensation noticed on windows 1. Metal expanding while heating or contracting while cooling 1. Heater burning vapors from paint, hair spray, glues, etc. See IMPORTANT statement above). 2. Gas leak. See Warning statement at top of page 1. Not enough fresh air is available 2. Low line pressure 3. ODS/pilot is partially clogged 1. Gas leak. See Warning statement at top of page 2. Control valve defective 1. Foreign matter between control valve and burner 2. Gas leak. See Warning statement at top of page 1. Not enough combustion/ ventilation air. 1. This is common with most heaters. If noise is excessive, contact qualified service person 1. Ventilate room. Stop using odor causing products while heater is running 2. Locate and correct all leaks (see Checking Gas Csonnections, page 15) 1. Open window and/or door for ventilation 2. Contact local propane/LP gas company 3. Clean ODS/pilot (see Cleaning and Maintenance, page 22) 1. Locate and correct all leaks (see Checking Gas Connections, page 15) 2. Replace control valve 1. Take apart gas tubing and remove foreign matter 2. Locate and correct all leaks (see Checking Gas Connections, page 15) 1. Refer to Air for Combustion and Ventilation requirements (page 5) 25 TECHNICAL SERVICE SPECIFICATIONS SERVICE HINTS SERVICE PUBLICATIONS You may have further questions about installation, operation, or troubleshooting. If so, contact DESA International’s Technical Service Department at 1-800-323-5190. CGN20T/CGN20TL CGN30T/CGN30TL 20,000 Btu/Hr Models 30,000 Btu/Hr Models Btu (Variable) 10,000/20,000 15,000/30,000 Type Gas Natural Only Natural Only Ignition Piezo Piezo Pressure Regulator Setting 3" W.C. 3" W.C. Inlet Gas Pressure (in. of water) Maximum 10.5" 10.5" Minimum 4" 4" Dimensions, Inches (H x W x D) Heater 23.5 x 18.5 x 8.0 23.5 x 25.9 x 8.0 Carton 25.8 x 21.3 x 10.1 25.8 x 28.7 x 10.1 Weight (pounds) Heater 22 30 Shipping 27 35 When gas pressure is too low • pilot will not stay lit • burner will have delayed ignition • heater will not produce specified heat When gas quality is bad • pilot will not stay lit • burner will produce flames and soot • heater will backfire when lit You may feel your gas pressure is too low or gas quality is bad. If so, contact your...
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