direct-vent fireplace (natural/propane/lp) - Desa

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BHDV34NA, PA ® DIRECT-VENT FIREPLACE (NATURAL/PROPANE/LP) TROUBLESHOOTING Continued OBSERVED PROBLEM Burner does not light after pilot is lit Delayed ignition burner Burner backfiring during combustion Slight smoke or odor during initial operation Heater produces a whistling noise when burner is lit Glass soots Fireplace produces a clicking/ticking noise just after burners are lit or shut off Remote does not function POSSIBLE CAUSE 1. Burner orifice clogged 2. Inlet gas pressure is too low 3. Thermopile leads disconnected or improperly connected 4. Thermopile is defective 1. Manifold pressure is too low 2. Burner porting or orifice clogged 1. Burner orifice is clogged or damaged 2. Damaged burner 3. Gas regulator defective 1. Residues from manufacturing processes and logs curing 1. Turning gas control knob to HI position when burner is cold 2. Air in gas line 3. Dirty or partially clogged burner orifice 1. Flame impingement on logs 2. Debris around burner air mixer 1. Metal expanding while heating or contracting while cooling 1. Battery is not installed or battery power is low REMEDY 1. Clean burner (see Cleaning and Maintenance, page 28) or replace burner orifice 2. Contact local propane/LP or natural gas company 3. Reconnect leads (see Wiring Diagram, page 32) 4. Replace thermopile 1. Contact local propane/LP or natural gas company 2. Clean burner (see Cleaning and Maintenance, page 28) or replace burner orifice 1. Clean burner (see Cleaning and Maintenance, page 28) or replace burner orifice 2. Replace damaged burner 3. Replace gas control 1. Problem will stop after a few hours of operation 1. Turn gas 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 propane/LP or natural gas company 3. Clean burner (see Cleaning and Maintenance, page 28) or replace burner orifice 1. Adjust the log set so that the flame does not excessively impinge on it 2. Inspect the opening at the base of the burner to see that it is NOT packed with any type of material 1. This is common. If noise is excessive, contact qualified service person 1. Replace 9-volt batteries in receiver and remote control www.desatech.com 30 105981
OWNER’S MANUAL 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 fireplace 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. These odors will disappear over time. OBSERVED PROBLEM Fireplace produces unwanted odors Fireplace shuts off in use Gas odor even when control knob is in OFF position Gas odor during combustion Dark residue on logs or inside of fireplace POSSIBLE CAUSE 1. Gas leak. See Warning statement above 1. High or gusting winds 2. Low line pressure 3. Pilot is partially clogged 4. Inner vent pipe leaking exhaust gasses into system 5. Horizontal vent improperly pitched 6. Glass too loose and air tight gasket leaks in corners after usage 7. Bad thermopile or thermocouple 8. Improper vent cap installation 1. Gas leak. See Warning statement above 2. Control valve defective 1. Gas leak. See Warning statement above 1. Improper log placement 2. Air holes at burner inlet blocked 3. Burner flame holes blocked REMEDY 1. Locate and correct all leaks (see Checking Gas Connections, pages 19 and 20) 1. Fireplace has been tested for up to 40mph winds. However, extreme conditions may occur. See Lighting Instructions on page 25 2. Contact local propane/LP or natural gas company 3. Clean pilot (see Cleaning and Maintenance, page 28) 4. Locate and correct all leaks (see Checking Gas Connections, pages 19 and 20) 5. Horizontal vent termination should slope down only enough to prevent any water from entering the unit. The maximum downward slope of the vent termination is 1/4" for any horizontal run 6. Tighten glass 7. Replace faulty component 8. Check for proper installation and freedom from debris or blockage 1. Locate and correct all leaks (see Checking Gas Connections, pages 19 and 20) 2. Replace control valve 1. Locate and correct all leaks (see Checking Gas Connections, pages 19 and 20) 1. Properly locate logs (see Installing Logs, Lava Rock, and Glowing Embers, page 24) 2. Clean out air holes at burner inlets. Periodically repeat as needed 3. Remove blockage or replace burner 105981 www.desatech.com 31
Page 1 and 2: DIRECT-VENT FIREPLACE OWNER’S OPE
Page 3 and 4: OWNER’S MANUAL PRODUCT IDENTIFICA
Page 5 and 6: PRE-INSTALLATION PREPARATION Contin
Page 7 and 8: OWNER’S MANUAL VENTING INSTALLATI
Page 17 and 18: OWNER’S MANUAL FIREPLACE INSTALLA
Page 25 and 26: OWNER’S MANUAL OPERATING FIREPLAC
Page 27 and 28: OWNER’S MANUAL OPERATING FIREPLAC
Page 29: OWNER’S MANUAL TROUBLESHOOTING No
Page 33 and 34: SPECIFICATIONS BHDV34NA BHDV34PA 17
Page 35 and 36: OWNER’S MANUAL ACCESSORIES Contin
Page 37 and 38: OWNER’S MANUAL PARTS LIST This li

direct-vent fireplace (natural/propane/lp) - Desa

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