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Desa VN600BA - page 1
Save this manual for future reference. BLUE FLAME VENT -FREE NA TURAL GAS HEA TER OWNER’S OPERA TION AND INST ALLA TION MANUAL VN600BA 6000 Btu/Hr Manually- Controlled Models WARNING: If the information in this manual is not followed exactly, a fire or explosion may result causing property damage, personal in- jury, or loss of life. — Do not st ...
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Desa VN600BA - page 2
2 104271 BLUE FLAME NA TURAL GAS HEA TER ® Carbon Monoxide Poisoning: Early signs of carbon monoxide poisoning resemble the flu, with headaches, dizziness, and/or nau- sea. 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. Thes ...
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Desa VN600BA - page 3
3 104271 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 ANS Z223.1 also known as NFPA 54*. *Available from: American National Standards Institute, Inc. 1430 Broadway New York, NY 10018 National Fire Pro ...
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Desa VN600BA - page 4
4 104271 BLUE FLAME NA TURAL GAS HEA TER ® Confined and Unconfined Space The National Fuel Gas Code ANS Z223.1 defines a confined space as a space whose volume is less than 50 cubic feet per 1,000 Btu per hour (4.8 m3 per kw) of the aggre- gate input rating of all appliances installed in that space and an unconfined space as a space whose volume i ...
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Desa VN600BA - page 5
5 104271 OWNER’S MANUAL WARNING: If the area in which the heater may be operated is smaller than that defined as an unconfined space or if the building is of unusually tight construction, provide adequate combustion and ventilation air by one of the methods described in the National Fuel Gas Code, ANS Z223.1, Section 5.3 or applicable local codes ...
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Desa VN600BA - page 6
6 104271 BLUE FLAME NA TURAL GAS HEA TER ® 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 Buildin ...
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Desa VN600BA - page 7
7 104271 OWNER’S MANUAL 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 you will locate heater . 2. Mar ...
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Desa VN600BA - page 8
8 104271 BLUE FLAME NA TURAL GAS HEA TER ® 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 screw into ...
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Desa VN600BA - page 9
9 104271 OWNER’S MANUAL * A CSA/AGA design-certified equipment shutoff valve with 1/8" NPT tap is an acceptable alternative to test gauge connection. Purchase the optional CSA/AGA design-certified equipment shutoff valve from your dealer. See Accessory , page 18. Tee Joint Reducer Bushing to 1/8" NPT 1/8" NPT Plug Tap Test Gauge Co ...
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Desa VN600BA - page 10
10 104271 BLUE FLAME NA TURAL GAS HEA TER ® 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 onc ...
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Desa VN600BA - page 11
11 104271 OWNER’S MANUAL 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) Turn control knob clockwise Clockwise to the PILOT position. Thermocouple Pilot Burner ...
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Desa VN600BA - page 12
12 104271 BLUE FLAME NA TURAL GAS HEA TER ® INSPECTING BURNER Check pilot flame pattern and burner flame pattern often. PILOT FLAME PATTERN Figure 17 shows a correct pilot flame pattern. Figure 18 shows an incorrect pilot flame pattern. The incorrect pilot flame is not touch- ing the thermocouple. This will cause the thermocouple to cool. When the ...
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Desa VN600BA - page 13
13 104271 OWNER’S MANUAL Continued TROUBLESHOOTING 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 igni- tor cable 3. Piezo ignitor nut is loose 4. Broken ignitor cable 5. Ignitor electrode ...
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Desa VN600BA - page 14
14 104271 BLUE FLAME NA TURAL GAS HEA TER ® 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 operation Heater produces a whistling noise when burner is lit Heater produces a clicking/ticking noise ju ...
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Desa VN600BA - page 15
15 104271 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 re ...
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Desa VN600BA - page 16
16 104271 BLUE FLAME NA TURAL GAS HEA TER ® 12-2 12-1 ILLUSTRA TED PA R T S BREAKDOWN VN600BA 10 12 11 1 2 3 4 5 6 7 9 8 10 13 14 15 17 18 21 22 25 20 24 23 19 26 27 16 ...
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Desa VN600BA - page 17
17 104271 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 18 of this manual. VN600BA KEY PART NO. NUMBER DESCRIPTION QTY. 1 098304-01 Screw, #10 x 3/8" 2 2 099467-03 Front Panel Assembly 3 099318-04 Grill Guard 1 4 101108 ...
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Desa VN600BA - page 18
18 104271 BLUE FLAME NA TURAL GAS HEA TER ® 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 supply original replacement part(s), call DESA International’s Technical Service Dep ...
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Desa VN600BA - page 19
19 104271 OWNER’S MANUAL NOTES _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _____________________________ ...
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Desa VN600BA - page 20
2701 Industrial Drive P.O. Box 90004 Bowling Green, KY 42102-9004 www.desatech.com 104271-01 Rev. D 03/00 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 ...
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