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Manual Desa DNV25PB

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  • Desa DNV25PB - page 1

    Save this manual for future reference. SOLID STATE IGNITION 50 60 70 80 90 50 60 70 80 90 D YNA VENT  WINDOW W ALL FURNACE DIRECT -VENT PROP ANE/LP GAS HEA TER OWNER’S OPERA TION AND INST ALLA TION MANUAL DNV25PB DNV40PB 25,000 and 40,000 BTU/Hr “B” Model Furnaces FOR YOUR SAFETY Do not store or use gasoline or other flammable vapors and l ...

  • Desa DNV25PB - page 2

    2 201839 DIRECT -VENT PROP ANE/LP GAS HEA TER DYNA VENT ® 6. This furnace must have fresh air for proper operation. If not, poor fuel combustion and improper venting of flue gases will result. Carbon monoxide poisoning from backed- up flue gases could occur . The State of California lists carbon monoxide as a re- productive toxin under Proposition ...

  • Desa DNV25PB - page 3

    3 201839 OWNER’S MANUAL LOCAL CODES UNP ACKING 1. Remove furnace from carton. 2. Remove all protective packaging ap- plied to furnace for shipment. 3. Remove the following items from carton: • Hardware package containing four large screws, two small screws, and thermostat mounting plate • Hardware package (thermostat and two screws) • Equip ...

  • Desa DNV25PB - page 4

    4 201839 DIRECT -VENT PROP ANE/LP GAS HEA TER DYNA VENT ® 6" Minimum Adjacent Side Wall Ceiling Finished Floor, Carpet, Tile, etc. 12" Minimum 12" Minimum Figure 1 - Mounting Clearances as Viewed from Front of Furnace The clearance between the cabinet and the wall it passes through is 0 inches. Provide the following minimum clearanc ...

  • Desa DNV25PB - page 5

    5 201839 OWNER’S MANUAL CREATING WALL OPENING AND MOUNTING FURNACE Remove furnace front cover. Remove the two 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 fit between two wall studs set at 16 inch on center. The 40,000 BTU/Hr model will not fit between wall ...

  • Desa DNV25PB - page 6

    6 201839 DIRECT -VENT PROP ANE/LP GAS HEA TER DYNA VENT ® 6. Attach thermostat to thermostat mount- ing plate with screws provided (see Fig- ure 4). IMPOR T ANT : Note mounting plate position in Figure 4. Correctly position mounting plate for your model furnace. 7. Insert thermostat mounting plate be- tween wall and cabinet flange. Line up top not ...

  • Desa DNV25PB - page 7

    7 201839 OWNER’S MANUAL 10. Feed thermostat wires from attic to furnace through 1/2" hole in ceiling wall plate. 1 1. Connect thermostat wires from attic to thermostat wires on furnace. Connect red wires together , then connect white wires together . Use wire nuts to make connections. IMPORT ANT : Make sure thermostat wires do not touch comb ...

  • Desa DNV25PB - page 8

    8 201839 DIRECT -VENT PROP ANE/LP GAS HEA TER DYNA VENT ® 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 once. Connecting Furnace to Gas Supply at Rear of Furnace 1. Remove the two screws in back of fur- nace cabinet located by the exha ...

  • Desa DNV25PB - page 9

    9 201839 OWNER’S MANUAL CAUTION: Never connect heater directly to the propane/LP supply. This heater requires an external regulator (not supplied). Install the external regulator between the heater and propane/LP supply. The installer must supply an external regulator. The external regulator will reduce incoming gas pressure. You must reduce inco ...

  • Desa DNV25PB - page 10

    10 201839 DIRECT -VENT PROP ANE/LP GAS HEA TER DYNA VENT ® INST ALLA TION (Continued) Installation must include an equipment shutoff valve (supplied), ground joint union, plugged 1/8" NPT tap, and a sediment trap. Locate NPT tap within reach for test gauge hook up. NPT tap must be upstream from furnace (see Figure 15). Install an equipment sh ...

  • Desa DNV25PB - page 11

    11 201839 OWNER’S MANUAL Test Pressures Equal To or Less Than 1/2 PSIG (3.5 kPa) 1. Close equipment shutoff valve (see Fig- ure 16). 2. Pressurize supply piping system by either using compressed air or opening main gas valve located on or near gas meter . 3 . Check all joints from gas meter to equipment shutoff valve. Apply mix- ture of liquid so ...

  • Desa DNV25PB - page 12

    12 201839 DIRECT -VENT PROP ANE/LP GAS HEA TER DYNA VENT ® WARNING: Furnace burner, combustion chamber, and ex- haust port are very hot during operation. Keep children and adults away from hot surfaces to avoid burns and clothing igni- tion. Carefully supervise young children when they are in the same room as furnace. Furnace will remain hot for a ...

  • Desa DNV25PB - page 13

    13 201839 OWNER’S MANUAL OPERA TING FURNACE (Continued) 1. Set thermostat to lowest setting 2. T ur n equipment gas valv e clockwise to OFF position. Do not for ce equipment gas valve. 3. Unplug furnace if service is to be per - for med. To Shut Down Furnace for an Extended Period of Time 1. T ur n equipment gas valv e clockwise to OFF position. ...

  • Desa DNV25PB - page 14

    14 201839 DIRECT -VENT PROP ANE/LP GAS HEA TER DYNA VENT ® WARNING: Turn off and un- plug furnace and let cool before cleaning. Turn equipment shutoff valve to OFF position. Only a qualified service person should service and repair furnace. WARNING: Keep furnace clear and free from combustible mate- rials, gasoline, and other flam- mable vapors an ...

  • Desa DNV25PB - page 15

    15 201839 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 shutoff valve before servicing. Only a qualified service person should service and repair furnace. Continued www.desatech.com Note: For additional help, visit DESA International? ...

  • Desa DNV25PB - page 16

    16 201839 DIRECT -VENT PROP ANE/LP GAS HEA TER DYNA VENT ® TROUBLESHOOTING Continued www.desatech.com The electronic system is made up of two parts: 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.m., a 24-volt circuit is completed to ...

  • Desa DNV25PB - page 17

    17 201839 OWNER’S MANUAL www.desatech.com OBSERVED PROBLEM Ignition failures POSSIBLE CAUSE 1. Glo bar will not glow - with blower run- ning and microswitch engaged 2. Glo bar glows but burner will not come on 3. Glo bar operating and gas valve open- ing but burner will not light 4. If the ignitor remains on after main burner ignition or the valv ...

  • Desa DNV25PB - page 18

    18 201839 DIRECT -VENT PROP ANE/LP GAS HEA TER DYNA VENT ® www.desatech.com OBSERVED PROBLEM Ignition failures Excessive noise Main burner will not cycle off Furnace will not operate POSSIBLE CAUSE 5. Burner cycles off and glo bar comes on immediately , check the following: 1. Blower out of balance 2. Motor hums 1. Thermostat setting 2. Gas valve ...

  • Desa DNV25PB - page 19

    19 201839 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 Ignition Control Board Probe ♦ Black White White Glo-Bar Gas Valve Time Delay Relay ...

  • Desa DNV25PB - page 20

    20 201839 DIRECT -VENT PROP ANE/LP GAS HEA TER DYNA VENT ® These Parts Centrals are privately owned businesses. They have agreed to support our customer’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 a Parts Central, ask for the Parts De ...

  • Desa DNV25PB - page 21

    21 201839 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 062242 Thermostat Mounting Plate 1 ∆ 070542 C ...

  • Desa DNV25PB - page 22

    22 201839 DIRECT -VENT PROP ANE/LP GAS HEA TER DYNA VENT ® ILLUSTRA TED P AR TS LIST CABINET ASSEMBLY 40,000 BTU/HR MODEL This list contains replaceable parts used in your furnace. When ordering parts, follow the instructions listed under Replacement Parts on page 19 of this manual. 2 5 6 1 7 4 9 8 10 SOLID STATE IGNITION 50 60 70 80 90 50 60 70 8 ...

  • Desa DNV25PB - page 23

    23 201839 OWNER’S MANUAL ILLUSTRA TED P AR TS LIST COMBUSTION CHAMBER ASSEMBLY 25,000 BTU/HR MODEL This list contains replaceable parts used in your furnace. When ordering parts, follow the instructions listed under Replacement Parts on page 19 of this manual. KEY PART NO. NUMBER DESCRIPTION QTY. 1 121357 Screw, #6 x 5/8" ** 4 2 231955 Wire ...

  • Desa DNV25PB - page 24

    24 201839 DIRECT -VENT PROP ANE/LP GAS HEA TER DYNA VENT ® ILLUSTRA TED P AR TS LIST COMBUSTION CHAMBER ASSEMBLY 40,000 BTU/HR MODEL This list contains replaceable parts used in your furnace. When ordering parts, follow the instructions listed under Replacement Parts on page 19 of this manual. KEY PART NO. NUMBER DESCRIPTION QTY. 1 121502 Screw, # ...

  • Desa DNV25PB - page 25

    25 201839 OWNER’S MANUAL ILLUSTRA TED P AR TS LIST BURNER ASSEMBLY 25,000 BTU/HR MODEL This list contains replaceable parts used in your furnace. When ordering parts, follow the instructions listed under Replacement Parts on page 19 of this manual. 1 2 3 4 5 6 7 8 9 10 11 12 KEY PART NO. NUMBER DESCRIPTION QTY. 1 120717 Hex Nut, #10-24 ** 2 2 121 ...

  • Desa DNV25PB - page 26

    26 201839 DIRECT -VENT PROP ANE/LP GAS HEA TER DYNA VENT ® ILLUSTRA TED P AR TS LIST BURNER ASSEMBLY 40,000 BTU/HR MODEL This list contains replaceable parts used in your furnace. When ordering parts, follow the instructions listed under Replacement Parts on page 19 of this manual. KEY PART NO. NUMBER DESCRIPTION QTY. 1 120717 Hex Nut, #10-24 ** 4 ...

  • Desa DNV25PB - page 27

    27 201839 OWNER’S MANUAL ILLUSTRA TED P AR TS LIST BLOWER ASSEMBLY 25,000 BTU/HR MODEL This list contains replaceable parts used in your furnace. When ordering parts, follow the instructions listed under Replacement Parts on page 19 of this manual. 1 2 3 4 6 5 7 8 9 10 11 12 13 17 15 16 17 17 18 19 20 21 22 23 14 24 25 23 KEY PART NO. NUMBER DESC ...

  • Desa DNV25PB - page 28

    28 201839 DIRECT -VENT PROP ANE/LP GAS HEA TER DYNA VENT ® ILLUSTRA TED P AR TS LIST BLOWER ASSEMBLY 40,000 BTU/HR MODEL This list contains replaceable parts used in your furnace. When ordering parts, follow the instructions listed under Replacement Parts on page 19 of this manual. KEY PART NO. NUMBER DESCRIPTION QTY. 1 070570 Combustion Air Cover ...

  • Desa DNV25PB - page 29

    29 201839 OWNER’S MANUAL NOTES _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _____________________________ ...

  • Desa DNV25PB - page 30

    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) years on the combustion chamber/heat exchanger assembly from the date of first purchase, provided that the product has been properly installed, operated and maintained in accordance wi ...

Manufacturer Desa Category Electric Heater

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A complete manual for the device Desa DNV25PB, how should it look like?
A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use Desa DNV25PB by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Desa DNV25PB.

A complete Desa manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

1. Preface and tips on how to use the manual Desa DNV25PB - At the beginning of each manual we should find clues about how to use the guidelines. It should include information about the location of the Contents of the Desa DNV25PB, FAQ or common problems, i.e. places that are most often searched by users in each manual
2. Contents - index of all tips concerning the Desa DNV25PB, that we can find in the current document
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4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with Desa DNV25PB
5. FAQ - Frequently Asked Questions
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