Manuel d'utilisation / d'entretien du produit VN1800IT du fabricant Desa
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® VENT -FREE NA TURAL GAS HEA TER OWNER’S OPERA TION AND INST ALLA TION MANUAL Models: VN1800C, VN1800IT , VN3000C, and VN2550IT 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.
2 100750 CONTENTS SECTION PAGE Safety Information ......................................................................... 2 Product Identification .................................................................... 4 Local Codes ...................
3 100750 SAFETY INFORMA TION Continued WARNING ICON G 001 W ARNINGS Continued WARNING: Any change to this heater or its controls can be dangerous. 1. Use only natural gas. Do not convert heater to use different fuel type. 2. If you smell gas • Shut off gas supply.
4 100750 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 ANSI Z223.1, also known as NFPA 54*. *Available from: American National Standards Institute, Inc.
5 100750 FRESH AIR FOR COMBUSTION AND VENTILA TION WARNING ICON G 001 W ARNING This heater must have fresh air for proper operation. If not, poor fuel combustion could result. Read the following instructions to insure proper fresh air for this and other fuel-burning appliances in your home.
6 100750 FRESH AIR FOR COMBUSTION AND VENTILA TION Continued WARNING ICON G 001 W ARNING You must provide additional ventilation air in a confined space. 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.
7 100750 FRESH AIR FOR COMBUSTION AND VENTILA TION Continued VENTILATION AIR Ventilation Air From Inside Building This fresh air would come from an adjoining unconfined space.
8 100750 FRESH AIR FOR COMBUSTION AND VENTILA TION Continued VENTILATION AIR (Continued) Ventilation Air From Outdoors Provide extra fresh air by using ventilation grills or ducts. You must provide two perma- nent openings: one within 12" of the ceiling and one within 12" of the floor.
9 100750 INST ALLING T O W ALL NOTICE A qualified service person must install heater. Follow all local codes. CHECK GAS TYPE Use only natural gas. If your gas supply is not natural, do not install heater. Call dealer where you bought heater for proper type heater.
10 100750 Figure 5 - Attaching Thermostat Sensing Bulb For convenience and efficiency, install heater • where there is easy access for operation, inspection, and service • in coldest part of room An optional fan kit is available from your dealer. See Accessories , page 31.
11 100750 Methods For Attaching Mounting Bracket To Wall Only use last hole on each end of mounting bracket to attach bracket to wall. These two holes are 16 inches apart from their centers. Attach mounting bracket to wall in one of two ways. 1. Attaching to wall stud 2.
12 100750 Marking Screw Locations 1. Tape mounting bracket to wall where heater will be located. Make sure mounting bracket is level. Models VN3000C and VN2550IT Models VN1800C and VN1800IT Figure 8 - Mounting Bracket Clearances 2. Mark screw locations on wall (see Figure 8).
13 100750 4. For thin walls (1/2" or less), insert red key into wall anchor. Push red key to “pop” open anchor wings. IMPORTANT: Do not hammer key! For thick walls (over 1/2" thick) or solid walls, do not pop open wings. Figure 10 - Popping Open Anchor Wings For Thin Walls 5.
14 100750 CONNECTING T O GAS SUPPL Y NOTICE A qualified service person must connect heater to gas supply. Follow all local codes. Typical Pipe Diameters VN1800C or VN1800IT 3/8" or greater VN3000C or VN2550IT 1/2" or greater Installation must include a manual shutoff valve, union, and plugged 1/8" NPT tap.
15 100750 IMPORTANT: Hold pressure regulator with wrench when connecting it to gas piping and/or fittings. Tee Joint Reducer Bushing to 1/8" NPT 1/8" NPT Plug Tap Test Gauge Connection * Sediment Trap Tee Joint Pipe Nipple Cap Manual Shutoff Valve * 1/2" NPT Pipe Nipple Heater Cabinet Figure 13 - Gas Connection * An A.
16 100750 ON POSITION OFF POSITION Figure 14 - Manual Shutoff Valve Manual Shutoff Valve Open Closed Figure 15 - Checking Gas Joints Manual Shutoff Valve Gas Meter Control Valve Location 4. Check all joints of gas supply piping system. Apply mixture of liquid soap and water to gas joints.
17 100750 OPERA TING HEA TER Models VN1800IT and VN2550IT FOR YOUR SAFETY READ BEFORE LIGHTING WARNING ICON G 001 W ARNING If you do not follow these instructions exactly, a fire or explosion may result causing property damage, personal injury or loss of life.
18 100750 LIGHTING INSTRUCTIONS 1. STOP! Read the safety information at the top of page 17. 2. Make sure manual shutoff valve is fully open. 3. Turn thermostat control knob on left side of heater clockwise Clockwise to the OFF position.
19 100750 1. Slightly press in plaque control knob on right side of heater and turn counterclockwise C-clockwise to the desired position. IMPORTANT: Release downward pressure while turning control knob. Control knob will lock at the desired position. 2.
20 100750 T O TURN OFF GAS TO APPLIANCE OPERA TING HEA TER Models VN1800IT and VN2550IT Continued Shutting Off Heater 1. Turn thermostat control knob clockwise Clockwise to the OFF position. 2. Turn off all electric power to the appliance if service is to be performed.
21 100750 OPERA TING HEA TER Models VN1800C and VN3000C FOR YOUR SAFETY READ BEFORE LIGHTING LIGHTING INSTRUCTIONS 1. STOP! Read the safety information above. 2. Make sure manual shutoff valve is fully open. 3. Turn control knob clockwise Clockwise to the OFF position.
22 100750 4. Wait five minutes to clear out any gas. Then smell for gas, including near the floor. If you smell gas, STOP! Follow “B” in the safety information at the top of page 21. If you don’t smell gas, go to the next step. 5. Press in control knob.
23 100750 T O SELECT HEA TING LEVEL Figure 21 - Burner Patterns 1. Slightly press in control knob and turn counterclockwise C-clockwise to the LOW, MEDIUM, or HIGH positions. IMPORTANT: Release downward pressure while turning control knob. Control knob will lock at the desired position.
24 100750 T O TURN OFF GAS T O APPLIANCE INSPECTING BURNER Check pilot flame pattern and burner flame pattern often. PILOT FLAME PATTERN Figure 22 shows a correct pilot flame pattern. Figure 23 shows an incorrect pilot flame pattern. The incorrect pilot flame is not touching the thermocouple.
25 100750 BURNER FLAME PATTERN Figure 24 shows a correct burner flame pattern. Figure 25 shows an incorrect Correct Burner Pattern-Plaque GRH/OV 018 Figure 24 - Correct Burner Flame Pattern Bad Burner Pattern-Plaque GRH/OV 019 Figure 25 - Incorrect Burner Flame Pattern burner flame pattern.
26 100750 CLEANING AND MAINTENANCE ODS/PILOT AND BURNER ORIFICE • Use a vacuum cleaner, pressurized air, or small, soft bristled brush to clean. CABINET Air Passageways • Use a vacuum cleaner or pressurized air to clean. Exterior • Use a soft cloth dampened with a mild soap and water mixture.
27 100750 OBSERVED PROBLEM When control knob is pressed in and turned to the PILOT/IGN position, there is spark at ODS/pilot but no ignition (non-thermo- stat model only). When ignitor button is pressed in, there is a spark at ODS/pilot but no ignition (thermo- stat models only).
28 100750 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 not glow. Slight smoke or odor during initial opera- tion Heater produces a clicking/ticking noise just after burner is lit or shut off.
29 100750 WARNING ICON G 001 W ARNING TROUBLE- SHOOTING Continued 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.
30 100750 TECHNICAL SER VICE You may have further questions about installation, operation, or troubleshooting. If so, contact DESA International’s Technical Service Department at 1-800-323- 5190. VN1800IT VN2550IT BTU (Variable) 6,600-18,000 7,000-25,500 Type Gas Natural Only Natural Only Ignition Piezo Piezo Pressure Regulator Setting 6" W.
31 100750 REPLACEMENT P ARTS 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.
32 100750 1 2 3 11 6 4 8 5 6 7 12 23 9 10 24 14 17 16 21 18 22 20 19 15 13 ILLUSTRA TED P ARTS BREAKDOWN Model VN1800IT HEATER EXPLODED VIEW 23-19 23-18 ODS/PILOT ASSEMBLY A B C 23-1 23-2 23-3 23-4 23.
33 100750 P ARTS LIST Model VN1800IT This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 31 of this manual.
34 100750 HEATER EXPLODED VIEW 1 2 3 11 6 4 8 5 6 7 12 23 9 10 24 14 17 16 21 18 22 20 19 15 13 ILLUSTRA TED P ARTS BREAKDOWN Model VN2550IT D C 23-1 23-2 23-3 23-8 23-16 23-17 23-11 B A 23-12 23-5 23.
35 100750 P ARTS LIST Model VN2550IT This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 31 of this manual.
36 100750 1 2 3 11 6 4 8 5 6 7 12 13 9 10 14 16 15 HEATER EXPLODED VIEW ILLUSTRA TED P ARTS BREAKDOWN Model VN1800C BURNER ASSEMBLY A B C 13-1 13-2 13-3 13-10 13-4 13-5 13-6 13-7 13-8 13-9 13-14 13-13.
37 100750 P ARTS LIST Model VN1800C This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 31 of this manual.
38 100750 1 2 3 11 6 13 4 8 5 6 7 12 9 10 14 15 16 HEATER EXPLODED VIEW ILLUSTRA TED P ARTS BREAKDOWN Model VN3000C 13-17 13-16 ODS/PILOT E D C 13-1 13-2 13-3 13-9 13-4 13-5 13-7 13-6 13-8 13-10 13-14.
39 100750 P ARTS LIST Model VN3000C This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 31 of this manual.
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.
Un point important après l'achat de l'appareil (ou même avant l'achat) est de lire le manuel d'utilisation. Nous devons le faire pour quelques raisons simples:
Si vous n'avez pas encore acheté Desa VN1800IT c'est un bon moment pour vous familiariser avec les données de base sur le produit. Consulter d'abord les pages initiales du manuel d'utilisation, que vous trouverez ci-dessus. Vous devriez y trouver les données techniques les plus importants du Desa VN1800IT - de cette manière, vous pouvez vérifier si l'équipement répond à vos besoins. Explorant les pages suivantes du manuel d'utilisation Desa VN1800IT, vous apprendrez toutes les caractéristiques du produit et des informations sur son fonctionnement. Les informations sur le Desa VN1800IT va certainement vous aider à prendre une décision concernant l'achat.
Dans une situation où vous avez déjà le Desa VN1800IT, mais vous avez pas encore lu le manuel d'utilisation, vous devez le faire pour les raisons décrites ci-dessus,. Vous saurez alors si vous avez correctement utilisé les fonctions disponibles, et si vous avez commis des erreurs qui peuvent réduire la durée de vie du Desa VN1800IT.
Cependant, l'un des rôles les plus importants pour l'utilisateur joués par les manuels d'utilisateur est d'aider à résoudre les problèmes concernant le Desa VN1800IT. Presque toujours, vous y trouverez Troubleshooting, soit les pannes et les défaillances les plus fréquentes de l'apparei Desa VN1800IT ainsi que les instructions sur la façon de les résoudre. Même si vous ne parvenez pas à résoudre le problème, le manuel d‘utilisation va vous montrer le chemin d'une nouvelle procédure – le contact avec le centre de service à la clientèle ou le service le plus proche.
