Desa BLUE FLAME VENT-FREE NATURAL GAS HEATER manual

Save this manual for future reference. ® WARNING: If the information in this manual is not followed exactly, a fire or explosion may result causing property damage, personal injury, or loss of life. — Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance. — WHAT TO DO IF YOU SMELL GAS[...]

2 103113 NA TURAL GAS HEA TER V ANGUARD 6000 BTU Carbon Monoxide Poisoning: Early signs of carbon monoxide poisoning re- semble the flu, with headaches, dizziness, and/or nausea. If you have these signs, the heater may not be working properly. Get fresh air at once! Have heater serviced. Some people are more affected by carbon monoxide than others.[...]

3 103113 OWNER’S MANUAL PRODUCT IDENTIFICA TION LOCAL CODES Install and use heater with care. Follow all local codes. In the absence of local codes, use the latest edition of The National Fuel Gas Code ANSI Z223.1 also known as NFPA 54*. *Available from: American National Standards Institute, Inc. 1430 Broadway New York, NY 10018 National Fire Pr[...]

4 103113 NA TURAL GAS HEA TER V ANGUARD 6000 BTU WARNING: If the area in which the heater may be operated is smaller than that defined as an unconfined space, provide ad- equate combustion and ventila- tion air by one of the methods described in the National Fuel Gas Code, ANSI Z223.1, 1992, Section 5.3 or applicable local codes. Continued Unusuall[...]

5 103113 OWNER’S MANUAL Figure 2 - Ventilation Air from Inside Building Or Remove Door into Adjoining Room, Option 3 Ventilation Grills Into Adjoining Room, Option 2 12" 12" Ventilation Grills into Adjoining Room, Option 1 AIR FOR COMBUSTION AND VENTILA TION Continued VENTILATION AIR Ventilation Air From Inside Building This fresh air w[...]

6 103113 NA TURAL GAS HEA TER V ANGUARD 6000 BTU Figure 5 - Mounting Screw Locations Mounting Screw Locations 8 7/8" Minimum To Maintain 6" Clearance From Wall 7 3/4" 20 1/4" Minimum To Maintain 3" Clearance From Floor FLOOR JOINING W ALL INSTALLING HEATER TO WALL Marking Screw Locations 1. Determine where y ou will locate [...]

7 103113 OWNER’S MANUAL Installing Two Mounting Screws Note: Wall anchors and mounting screws are in hardware package. The hardware pack- age is provided with heater. Attaching to wall stud method For attaching mounting screw to wall stud 1. Drill hole at marked location using 9/64" drill bit. 2. Insert mounting scre w into wall stud. 3. T i[...]

8 103113 NA TURAL GAS HEA TER V ANGUARD 6000 BTU IMPORTANT: Hold pressure regulator with wrench when connecting it to gas piping and/ or fittings. * An A.G.A. design certified manual shutoff valve with 1/8" NPT tap is an acceptable alternative to test gauge connection. Purchase the optional A.G.A. design certified manual shutoff valve from you[...]

9 103113 OWNER’S MANUAL CHECKING GAS CONNECTIONS WARNING: Test all gas pip- ing and connections for leaks after installing or servicing. Cor- rect all leaks at once. WARNING: Never use an open flame to check for a leak. Apply a mixture of liquid soap and water to all joints. Bubbles forming show a leak. Correct all leaks at once. PRESSURE TESTING[...]

10 103113 NA TURAL GAS HEA TER V ANGUARD 6000 BTU TO TURN OFF GAS TO APPLIANCE Shutting Off Heater 1. T ur n control knob clockwise Clockwise to the PILO T position. 2. Press in contr ol knob and turn clock- wise Clockwise to the OFF position. Shutting Off Burner Only (pilot stays lit) 1. T ur n control knob clockwise Clockwise to the PILO T positi[...]

11 103113 OWNER’S MANUAL INSPECTING BURNER Check pilot flame pattern and burner flame pattern often. PILOT FLAME PATTERN Figure 17 shows a correct pilot flame pat- tern. Figure 18 shows an incorrect pilot flame pattern. The incorrect pilot flame is not touching the thermocouple. This will cause the thermocouple to cool. When the thermocouple cool[...]

12 103113 NA TURAL GAS HEA TER V ANGUARD 6000 BTU Continued TROUBLESHOOTING Note: All troubleshooting items are listed in order of operation. WARNING: Turn off heater and let cool before servicing. Only a qualified service person should service and repair heater. POSSIBLE CAUSE 1. Ignitor cable pinched or wet 2. Ignitor electrode not connected to i[...]

13 103113 OWNER’S MANUAL OBSERVED PROBLEM Burner does not light after ODS/pilot is lit Delayed ignition of burner Burner backfiring during combustion Yellow flame during burner combustion Slight smoke or odor during initial opera- tion Heater produces a whistling noise when burner is lit Heater produces a clicking/ticking noise just after burner [...]

14 103113 NA TURAL GAS HEA TER V ANGUARD 6000 BTU 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 instruction[...]

15 103113 OWNER’S MANUAL Note: Use only original replacement parts. This will protect your warranty coverage for parts replaced under warranty. Parts Under Warranty Contact authorized dealer from whom you purchased this product. If they cannot sup- ply original replacement part(s), call DESA International’s Technical Service Depart- ment at 1-8[...]

16 103113 NA TURAL GAS HEA TER V ANGUARD 6000 BTU 12-2 12-1 ODS/PILOT HEATER EXPLODED VIEW VN600B and CFN600B 10 12 11 1 2 3 4 5 6 7 9 8 10 13 14 15 16 17 18 21 23 24 27 22 26 25 19 20 28 29 ILLUSTRA TED P AR TS LIST[...]

17 103113 OWNER’S MANUAL P AR TS LIST This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 15 of this manual. KEY PART NO. NUMBER DESCRIPTION QTY. 1 098304-01 Screw, #10 x 3/8" 2 2 099467-03 Front Panel Assembly (VN600B) 1 099467-04 Front Panel Assembly [...]

18 103113 NA TURAL GAS HEA TER V ANGUARD 6000 BTU NOTES _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ ______[...]

19 103113 OWNER’S MANUAL NOTES _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _____________________________[...]

2701 Industrial Drive P.O. Box 90004 Bowling Green, KY 42102-9004 103113-01 REV. C 7/97 Always specify model and serial numbers when communicating with the factory. We reserve the right to amend these specifications at any time without notice. The only warranty applicable is our standard written warranty. We make no other warranty, expressed or imp[...]