Desa DNV40NB - Manuals

Desa DNV40NB – Manual in PDF format online.

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Manual

Manual Desa DNV40NB

Summary

Page 2 - DIRECT-VENT NATURAL GAS HEATER; DYNAVENT; WARNINGS; DANGER: Carbon monoxide

2 201835 DIRECT-VENT NATURAL GAS HEATER DYNAVENT ® gases will result. Carbon monoxidepoisoning from backed-up flue gasescould occur. The State of Californialists carbon monoxide as a reproduc-tive toxin under Proposition 65. 7. Never install the furnace• in a recreational vehicle• in an alcove• on a...

Page 3 - OWNER’S MANUAL; LOCAL CODES; HOT SURFACE IGNITOR; SPECIFICATIONS

3 201835 OWNER’S MANUAL LOCAL CODES Install and use furnace with care. Follow alllocal codes. In the absence of local codes, usethe latest edition of the following: • National Fuel Gas Code ANS Z223.1, also known as NFPA 54 * (USA) • National Electric Code ANS/NFPA 70* • CAN/CGA-B149[.1 or .2] Insta...

Page 4 - Minimum Clearances; door would block normal air flow; INSTALLATION; CHECK GAS TYPE; WARNING: Turn off electrical

4 201835 DIRECT-VENT NATURAL GAS HEATER DYNAVENT ® 6" Minimum Adjacent Side Wall Ceiling Finished Floor, Carpet, Tile, etc. 12" Minimum 12" Minimum Figure 1 - Mounting Clearances as Viewedfrom Front of Furnace The clearance between the cabinet and thewall it passes through is 0 inches. P...

Page 5 - Installing in Normal Frame Wall; Installing in Masonry Wall; INSTALLING THERMOSTAT; Mounting Thermostat to Furnace; WARNING: Unplug furnace

5 201835 OWNER’S MANUAL CREATING WALL OPENINGAND MOUNTING FURNACE Remove furnace front cover. Remove thetwo screws at the lower edges of front cover.Lift front cover away. Installing in Normal Frame Wall The 25,000 BTU/Hr model is designed to fitbetween two wall studs set at 16 inch oncenter. The 40...

Page 6 - Locating Thermostat on Wall; Locate thermostat 4; COLD SPOTS; Note mounting; Routing Thermostat Cable; above right side of furnace.

6 201835 DIRECT-VENT NATURAL GAS HEATER DYNAVENT ® Locating Thermostat on Wall 1. Locate thermostat 4 1 / 2 to 5 feet above the floor on an inside wall away fromany heat sources. The thermostat needsto sense average room temperature.Avoid the following: HOT SPOTS Concealed pipes or ductsFireplacesRe...

Page 7 - Feed thermostat wires from attic to; Mounting the Thermostat to Wall; Drill proper-sized holes for wall anchors.

7 201835 OWNER’S MANUAL 10. Feed thermostat wires from attic to furnace through 1/2" hole in ceilingwall plate. 11. Connect thermostat wires from attic to thermostat wires on furnace. Connectred wires together, then connect whitewires together. Use wire nuts to makeconnections. IMPORTANT: Make s...

Page 8 - WARNING: Never use an open

8 201835 DIRECT-VENT NATURAL GAS HEATER DYNAVENT ® WARNING: Never use an open flame to check for a leak. Apply amixture of liquid soap and waterto all joints. Bubbles forming showa leak. Correct all leaks at once. Figure 14 - Inserting Pipe throughKnockout Hole Figure 13 - Location of Knockout Plug ...

Page 9 - Providing Gas Piping to Furnace; Consult your local gas company for proper routing of the gas lines.

9 201835 OWNER’S MANUAL Providing Gas Piping to Furnace You must provide gas piping from gas source to furnace. The gas piping must be in a verticalposition where it connects to the furnace. This prevents interference with front coverinstallation. Consult your local gas company for proper routing of...

Page 10 - Correct all leaks at once.

10 201835 DIRECT-VENT NATURAL GAS HEATER DYNAVENT ® INSTALLATION (Continued) CHECKING GASCONNECTIONS WARNING: Test all gas pip- ing and connections for leaksafter installation or servicing.Correct all leaks at once. WARNING: Never use an open flame to check for a leak. Apply amixture of liquid soap ...

Page 11 - You may have removed fur-; Performance Check

11 201835 OWNER’S MANUAL O POSI PO Off Position On Position Figure 16 - Equipment Shutoff Valve Test Pressures Equal To or Less Than1/2 PSIG (3.5 kPa) 1. Close equipment shutoff valve (see Fig-ure 16). 2. Pressurize supply piping system by eitherusing compressed air or opening main gasvalve located ...

Page 12 - WARNING: Do not operate; FOR YOUR SAFETY; WARNING: Always follow

12 201835 DIRECT-VENT NATURAL GAS HEATER DYNAVENT ® WARNING: Furnace burner, combustion chamber, and ex-haust port are very hot duringoperation. Keep children andadults away from hot surfaces toavoid burns and clothing igni-tion. Carefully supervise youngchildren when they are in thesame room as fur...

Page 13 - CAUTION: Do not try to adjust; Blue flame with

13 201835 OWNER’S MANUAL OPERATINGFURNACE (Continued) 1. Set thermostat to lowest setting 2. Turn equipment gas valve clockwise to OFF position. Do not force equipment gas valve. 3. Unplug furnace if service is to be per-formed. To Shut Down Furnace for anExtended Period of Time 1. Turn equipment ga...

Page 14 - WARNING: Keep furnace clear; CABINET; Air Passageways; • Use a vacuum cleaner or pressurized air; Exterior; • Use a soft cloth dampened with a mild; EXHAUST AND INTAKE VENTS

14 201835 DIRECT-VENT NATURAL GAS HEATER DYNAVENT ® WARNING: Turn off and un- plug furnace and let cool beforecleaning. Turn equipment shutoffvalve to OFF position. Only aqualified service person shouldservice and repair furnace. WARNING: Keep furnace clear and free from combustible mate-rials, gaso...

Page 15 - TROUBLESHOOTING; WARNING: Turn off and unplug furnace and let cool before servic-; All troubleshooting items are listed in; OBSERVED PROBLEM

15 201835 OWNER’S MANUAL TROUBLESHOOTING WARNING: Turn off and unplug furnace and let cool before servic- ing. Unless you need gas supply for testing, shut off equipment shutoffvalve before servicing. Only a qualified service person should serviceand repair furnace. Continued www.desatech.com Note: ...

Page 16 - Blower not operating; REMEDY; On initial operation of glo

16 201835 DIRECT-VENT NATURAL GAS HEATER DYNAVENT ® TROUBLESHOOTING Continued www.desatech.com The electronic system is made up of twoparts: the ignition control and the glo bar.The ignition control is the brain of the elec-tronic system. It has several functions: 1. When the blower reaches full r.p...

Page 19 - WIRING DIAGRAMS; Use only original replacement parts.; PARTS UNDER WARRANTY

19 201835 OWNER’S MANUAL 1 2 3 4 5 6 7 Junction Box Black Green ▲ White Black White White Black Transformer White Brown Brown Black Motor Green 370 V.A.C. Capacitor 5 MFD Terminal Block Black Thermostat White Red Black Yellow Blue Brown Green Black Brown White IgnitionControl Board Probe ♦ Black Whi...

Page 20 - PARTS CENTRALS; When Gas Pressure Is Too Low; • glo-bar glows, but burner will not ignite; When Gas Quality Is Bad; • burner will not stay lit

20 201835 DIRECT-VENT NATURAL GAS HEATER DYNAVENT ® These Parts Centrals are privately owned businesses. They have agreed to support ourcustomer’s needs by providing original replacement parts and accessories. For certain parts,some Parts Centrals may refer you to a dealer in your area. When calling...

Page 21 - KEY

21 201835 OWNER’S MANUAL KEY PART NO. NUMBER DESCRIPTION QTY. 1 030643 Front Cover Assembly 1 2 121520 Screw, #8 x 3/8" ** 2 3 191240 Front Cover Trim* 1 4 160912 Thermostat 1 5 100892 Cabinet Assembly 1 6 070509 Cabinet Insulation (right and left sides) 1 7 121224 Screw, #10 x 3/4" ** 4 8 0...

Page 29 - NOTES

29 201835 OWNER’S MANUAL NOTES _______________________________________________________________________________________________ _______________________________________________________________________________________________ _____________________________________________________________________________...

Page 30 - WARRANTY INFORMATION; KEEP THIS WARRANTY; INTERNATIONAL

201835Rev. F03/00 LIMITED WARRANTY DYNAVENT GAS WALL FURNACE DESA International warrants this product to be free from defects in materials and components for one (1) year and five (5) yearson the combustion chamber/heat exchanger assembly from the date of first purchase, provided that the product ha...