Desa VMH3000TNA - Manuals - manualsarea.com

Page 2 - NATURAL GAS RESIDENTIAL HEATERS; LOCAL CODES; WARNINGS; DANGER: Carbon monoxide; Carbon Monoxide Poisoning:; WARNING: Do not use a

2 107097 NATURAL GAS RESIDENTIAL HEATERS ® For more information, visit www.desatech.com LOCAL CODES Install and use heater with care. Follow alllocal codes. In the absence of local codes, usethe latest edition of The National Fuel GasCode, ANS Z223.1, also known as NFPA 54*. *Available from: America...

Page 3 - OWNER’S MANUAL; SAFETY DEVICE; Remove heater from carton.; ASSEMBLY; ASSEMBLING HEATER; Removing Front Panel Of Heater; Figure 2 - Removing Front Panel of Heater; Installing Hood; Remove hood from protective tray.; Installing Log; For easier installation, lay heater on; UNPACKING; CAUTION: Do not remove the

3 107097 OWNER’S MANUAL For more information, visit www.desatech.com PRODUCTFEATURES SAFETY DEVICE This heater has a pilot with an OxygenDepletion Sensing (ODS) safety shutoffsystem. The ODS/pilot is a required featurefor vent-free room heaters. The ODS/pilotshuts off the heater if there is not enou...

Page 4 - Figure 3 - Assembling Heater; Repeat steps 1 through 6 for other side.; Figure 5 - Assembling Brass Trim; W A R N I N G : A l w a y s h a v e

4 107097 NATURAL GAS RESIDENTIAL HEATERS ® For more information, visit www.desatech.com Truss-HeadScrew Nut Front Panel Figure 4 - Attaching Brass Front Trim toFront Panel Brass FrontTrim Figure 3 - Assembling Heater Side BrassTrim Top BrassTrim Slot Mitered Edge Slot SetScrews AdjustingPlate Screws...

Page 5 - Unusually Tight Construction; per

5 107097 OWNER’S MANUAL For more information, visit www.desatech.com Today’s homes are built more energy effi-cient than ever. New materials, increasedinsulation, and new construction methodshelp reduce heat loss in homes. Home ownersweather strip and caulk around windows anddoors to keep the cold a...

Page 6 - DETERMINING FRESH-AIR FLOW FOR HEATER LOCATION; Determining if You Have a Confined or Unconfined Space

6 107097 NATURAL GAS RESIDENTIAL HEATERS ® For more information, visit www.desatech.com 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. Space: Includes the room in which ...

Page 7 - VENTILATION AIR; Figure 7 - Ventilation Air from Inside Building; Ventilation Air From Outdoors; Do not provide openings for

7 107097 OWNER’S MANUAL For more information, visit www.desatech.com VENTILATION AIR Ventilation Air From InsideBuilding This fresh air would come from an adjoiningunconfined space. When ventilating to anadjoining unconfined space, you must pro-vide two permanent openings: one within12" of the c...

Page 8 - CAUTION: If you install the; INSTALLATION; CHECK GAS TYPE

8 107097 NATURAL GAS RESIDENTIAL HEATERS ® For more information, visit www.desatech.com 3" FLOOR CEILING 36" Minimum 6" MinimumFromSides OfHeater LeftSide RightSide Figure 9 - Mounting Clearances As ViewedFrom Front of Heater CAUTION: If you install the heater in a home garage• heater pi...

Page 9 - INSTALLATION OPTIONS; Mounting Bracket; Attaching To Wall Stud:; Marking Screw Locations; Figure 11 - Mounting Bracket Clearances; WARNING: Maintain minimum; Only mark last hole on each end

9 107097 OWNER’S MANUAL For more information, visit www.desatech.com ThermostatSensing Bulb Clamp THERMOSTAT SENSINGBULB The thermostat sensing bulb has been placedinside the heater for protection during shipping. Locating Thermostat SensingBulb 1. Remove front panel of heater (see Fig-ure 2, page 3...

Page 10 - Figure 12 - Folding Anchor; Mark screw locations on wall.; Attaching To Wall Anchor Method; Fold wall anchor as shown in Figure 12.

10 107097 NATURAL GAS RESIDENTIAL HEATERS ® For more information, visit www.desatech.com INSTALLATION Continued Figure 12 - Folding Anchor Figure 13 - Popping Open Anchor WingsFor Thin Walls Figure 14 - Mounting Heater Onto Mount-ing Bracket Horizontal Slots Mounting Bracket(attached to wall) Stand-...

Page 11 - Securing Hearth Base to Floor

11 107097 OWNER’S MANUAL For more information, visit www.desatech.com INSTALLATION Continued Continued Figure 16 - Attaching Heater to HearthBase Figure 17- Placing Hearth Insert on HeaterBase and Attaching Brass Base Trim Mounting Heater to OptionalHearth Base 1. Lay heater on its back on a table w...

Page 12 - Assembling Mantel; Only use the optional man-; Figure 18 - Gas Connection; WARNING: A qualified service; Check gas line pressure be-

12 107097 NATURAL GAS RESIDENTIAL HEATERS ® For more information, visit www.desatech.com INSTALLATION Continued C. MOUNTING HEATER TO OPTIONAL MANTEL See Instructions IncludedWith Mantel Kit. Assembling Mantel IMPORTANT: Only use the optional man- tels specified in this manual. See Accesso-ries, pag...

Page 13 - Figure 19 - Equipment Shutoff Valve; Figure 20 - Checking Gas Joints; Correct all leaks at once.; WARNING: Never use an open

13 107097 OWNER’S MANUAL For more information, visit www.desatech.com Pressure Testing Gas SupplyPiping System Test Pressures In Excess Of 1/2 PSIG(3.5 kPa) 1. Disconnect appliance with its appliancemain gas valve (control valve) and equip-ment shutoff valve from gas supply pip-ing system. Pressures...

Page 14 - Shutting Off Heater; CAUTION: Do not try to adjust

14 107097 NATURAL GAS RESIDENTIAL HEATERS ® For more information, visit www.desatech.com OPERATINGHEATER TO TURN OFF GAS TO APPLIANCE Pilot Burner Thermocouple Figure 22 - Pilot 7. Keep control knob pressed in for 30seconds after lighting pilot. After 30seconds, release control knob.• If control kno...

Page 15 - THERMOSTAT; The thermostat sensing bulb mea-; MANUAL LIGHTING; Figure 23 - Correct Pilot Flame Pattern; Figure 24 - Incorrect Pilot Flame Pattern; PILOT FLAME PATTERN; BURNER FLAME PATTERN; When using the heater the first time,; WARNING: If yellow tipping; • turn heater off (see To Turn Off Gas to; Figure 26 - Incorrect Burner Flame Pattern

15 107097 OWNER’S MANUAL For more information, visit www.desatech.com OPERATINGHEATER Continued THERMOSTAT CONTROL OPERATION The thermostatic control used on thisheater differs from standard thermostats.Standard thermostats simply turn on andoff the burner. The thermostat used onthis heater senses t...

Page 16 - TROUBLESHOOTING; REMEDY; All troubleshooting items are listed in

16 107097 NATURAL GAS RESIDENTIAL HEATERS ® For more information, visit www.desatech.com TROUBLESHOOTING WARNING: Turn off and un- plug heater and let cool beforeservicing. Only a qualified ser-vice person should service andrepair heater. REMEDY 1. Replace ignitor2. Replace ignitor3. Reconnect ignit...

Page 17 - nance, page 19) or replace burner orifice; OBSERVED PROBLEM

17 107097 OWNER’S MANUAL For more information, visit www.desatech.com REMEDY 1. Clean burner (see Cleaning and Mainte- nance, page 19) or replace burner orifice 2. Replace burner orifice3. Contact local natural gas company 1. Contact local natural gas company2. Clean burner (see Cleaning and Mainte-...

Page 18 - IMPORTANT

18 107097 NATURAL GAS RESIDENTIAL HEATERS ® For more information, visit www.desatech.com 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 ...

Page 19 - CABINET; Air Passageways; CAUTION: You must keep; PARTS UNDER WARRANTY; SERVICE HINTS; When Gas Pressure Is Too Low; Figure 28 - Pilot Inlet Air Hole

19 107097 OWNER’S MANUAL For more information, visit www.desatech.com CLEANING ANDMAINTENANCE 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. Wipe the cabi-net to remove dust. CAUTION: You must keep ...

Page 21 - PARTS LIST; KEY

21 107097 OWNER’S MANUAL For more information, visit www.desatech.com PARTS LIST VMH3000TNA This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listedunder Replacement Parts on page 19 of this manual. KEY VMH3000TNA NO. PART NO. DESCRIPTION QTY. 1 0...

Page 22 - SPECIFICATIONS

22 107097 NATURAL GAS RESIDENTIAL HEATERS ® For more information, visit www.desatech.com TECHNICALSERVICE You may have further questions about in-stallation, operation, or Trouble Shooting.If so, contact DESA International’s Techni-cal Service Department at 1-800-323-5190. You can also visit DESA In...

Page 23 - PREMIER MANTEL; ACCESSORIES

23 107097 OWNER’S MANUAL For more information, visit www.desatech.com PREMIER MANTEL Unfinished - GM903U SeriesFinished - GM902F SeriesWhite Lacquer Finish - GM904W(differs slightly from illustration) For use with heater. Features a built-in base.Sturdy hardwood construction with classicstyling and ...

Page 24 - KEEP THIS WARRANTY; WARRANTY INFORMATION; LIMITED WARRANTY; INTERNATIONAL; NOT A UPC

KEEP THIS WARRANTY WARRANTY INFORMATION Model ________________________________ Serial No. _____________________________ Date Purchased ________________________ Always specify model and serial numbers when communicating with the factory. We reserve the right to amend these specifications at any time ...