Instruction/ maintenance manual of the product VN2550ITB Vanguard Heating
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® VN1800ITB and VN2550ITB Save this manual for future reference. INFRARED VENT -FREE N A TURAL GAS HEA TER OWNER’S OPERA TION AND INST ALLA TION MANUAL 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.
2 104246 VENT -FREE NA TURAL GAS HEA TER ® 1. This appliance is only for use with the type of gas indicated on the rating plate. This appliance is not convertible for use with other gases. 2. If you smell gas • Shut off gas supply . • Do not try to light any appliance.
3 104246 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 National Fuel Gas Code ANS Z223.1, also known as NFPA 54*. *Available from: American National Standards Institute, Inc.
4 104246 VENT -FREE NA TURAL GAS HEA TER ® AIR FOR COMBUSTION AND VENTILA TION Today’s homes are built more energy effi- cient than ever. New materials, increased insulation, and new construction methods help reduce heat loss in homes. Home owners weather strip and caulk around windows and doors to keep the cold air out and the warm air in.
5 104246 OWNER’S MANUAL AIR FOR COMBUSTION AND VENTILA TION Continued DETERMINING FRESH-AIR FLOW FOR HEATER LOCATION Determining if You Have a Confined or Unconfined Space Use this worksheet to determine if you have a confined or unconfined space.
6 104246 VENT -FREE NA TURAL GAS HEA TER ® Figure 3 - Ventilation Air from Outdoors Ventilation Air From Outdoors Provide extra fresh air by using ventilation grills or ducts. You must provide two per- manent openings: one within 12" of the ceiling and one within 12" of the floor.
7 104246 OWNER’S MANUAL 36" 3" FLOOR CEILING Minimum Minimu m Of Carpe t Combus t 8" Minimum From Sides Of Heater Left Side Right Side INST ALLA TION WARNING: A qualified ser- vice person must install heater. Follow all local codes. CHECK GAS TYPE Use only natural gas.
8 104246 VENT -FREE NA TURAL GAS HEA TER ® Marking Screw Locations 1. T ape mounting bracket to wall where heater will be located. Make sure mounting bracket is level. Model VN2550ITB Model VN1800ITB Figure 8 - Mounting Bracket Clearances 2. Mark screw locations on wall (see Fig- ure 8).
9 104246 OWNER’S MANUAL Attaching Mounting Bracket To Wall Note: Wall anchors, mounting screws, and spacers are in hardware package. The hard- ware package is provided with heater. Attaching To Wall Stud Method For attaching mounting bracket to wall studs 1.
10 104246 VENT -FREE NA TURAL GAS HEA TER ® Tee Joint Reducer Bushing to 1/8" NPT 1/8" NPT Plug Tap Test Gauge Connection * Sediment Trap Tee Joint Pipe Nipple Cap Equipment Shutoff Valve *.
11 104246 OWNER’S MANUAL O POS P O CHECKING GAS CONNECTIONS Pressure Testing Gas Supply Piping System Test Pressures In Excess Of 1/2 PSIG (3.5 kPa) 1. Disconnect appliance with its appliance main gas valve (control valve) and equip- ment shutoff valve from gas supply pip- ing system.
12 104246 VENT -FREE NA TURAL GAS HEA TER ® IGNITOR PILOT LO OFF HI 1 2 3 4 Figure 17 - Pilot Pilot Burner Thermocouple Ignitor Electrode LIGHTING INSTRUCTIONS 1. STOP! Read the safety inf ormation at the top column 1. 2. Make sur e equipment shutoff valve is fully open.
13 104246 OWNER’S MANUAL 3 4 2 1 3 4 2 1 3 4 2 1 3 4 2 1 1. Slightly press in plaque contr ol knob on right side of heater and turn coun- terclockwise C-clockwise to the desired position. IMPORT ANT: Release downward pressur e while turning control knob .
14 104246 VENT -FREE NA TURAL GAS HEA TER ® GRH/OV 009A CLEANING AND MAINTENANCE CAUTION: You must keep control areas, burner, and circu- lating air passageways of heater clean. Inspect these areas of heater before each use. Have heater inspected yearly by a quali- fied service person.
15 104246 OWNER’S MANUAL TROUBLESHOOTING OBSERVED PROBLEM When ignitor button is pressed in, there is no spark at ODS/pilot When ignitor button is pressed in, there is a spark at ODS/pilot but no ignition ODS/pilot lights but flame goes out when control knob is released POSSIBLE CAUSE 1.
16 104246 VENT -FREE NA TURAL GAS HEA TER ® OBSERVED PROBLEM Burner(s) does not light after ODS/pilot is lit Delayed ignition of burner(s) Burner backfiring during combustion Burner plaque(s) does no.
17 104246 OWNER’S MANUAL 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.
18 104246 VENT -FREE NA TURAL GAS HEA TER ® ILLUSTRA TED PA R T S BREAKDOWN VN1800ITB 21-15 21-14 A B C 21-1 21-2 21-3 21-4 21-5 21-6 21-7 21-8 21-12 21-10 21-11 21-9 21-13 1 2 3 11 6 4 8 5 6 7 12 21.
19 104246 OWNER’S MANUAL P ARTS LIST VN1800ITB This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 22 of this manual.
20 104246 VENT -FREE NA TURAL GAS HEA TER ® 1 2 3 11 6 4 8 5 6 7 12 21 9 10 22 14 16 19 20 17 15 13 18 ILLUSTRA TED PA R T S BREAKDOWN VN2550ITB D C 21-1 21-2 21-3 21-7 21-13 21-14 21-10 B A 21-5 21-.
21 104246 OWNER’S MANUAL P ARTS LIST VN2550ITB This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 22 of this manual.
22 104246 VENT -FREE NA TURAL GAS HEA TER ® TECHNICAL SER VICE You may have further questions about in- stallation, operation, or troubleshooting. If so, contact DESA International’s Technical Service Department at 1-800-323-5190. You can also visit DESA International’s technical service web site at www.
23 104246 OWNER’S MANUAL FAN KITS - GA3100(A,B) AND GA3200T(A,B) For all models. Provides better heat distri- bution. Makes heater more efficient. Com- plete installation and operating instructions included. Manually-controlled - GA3100(A,B). In- cludes ON/OFF switch.
KEEP THIS WARRANTY W ARRANTY INFORMA TION 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.
An important point after buying a device Vanguard Heating VN2550ITB (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Vanguard Heating VN2550ITB yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Vanguard Heating VN2550ITB - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Vanguard Heating VN2550ITB you will learn all the available features of the product, as well as information on its operation. The information that you get Vanguard Heating VN2550ITB will certainly help you make a decision on the purchase.
If you already are a holder of Vanguard Heating VN2550ITB, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Vanguard Heating VN2550ITB.
However, one of the most important roles played by the user manual is to help in solving problems with Vanguard Heating VN2550ITB. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Vanguard Heating VN2550ITB along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center