Instruction/ maintenance manual of the product DNV25PB Desa
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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 TI.
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 .
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.
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.
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.
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 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 .
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.
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.
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.
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 .
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.
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.
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.
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.
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.
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.
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.
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.
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.
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 .
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.
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.
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.
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.
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.
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.
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.
29 201839 OWNER’S MANUAL NOTES _______________________________________________________________________________________________ _______________________________________________________________________.
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/he.
An important point after buying a device Desa DNV25PB (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Desa DNV25PB 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 Desa DNV25PB - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Desa DNV25PB you will learn all the available features of the product, as well as information on its operation. The information that you get Desa DNV25PB will certainly help you make a decision on the purchase.
If you already are a holder of Desa DNV25PB, 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 Desa DNV25PB.
However, one of the most important roles played by the user manual is to help in solving problems with Desa DNV25PB. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Desa DNV25PB 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
