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Manual Desa 90

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Summary
  • Desa 90 - page 1

    Heater Sizes: 30,000 70,000 90,000 150,000 BTU/Hr IMPORTANT Read and understand this manual before assembling, starting or servicing heater. Improper use of heater can cause serious injury. Keep this manual for future reference. 150 SIDE PV 004 100 SIDE PV 002 PORT ABLE FORCED AIR HEA TERS OWNER’S MANUAL RD D Y H a TR ee e ® G 031 ...

  • Desa 90 - page 2

    2 099606 Safety Information ......................................................................... 3 Product Identification .................................................................... 4 Unpacking ...................................................................................... 5 Assembly ........................................... ...

  • Desa 90 - page 3

    3 099606 SAFETY INFORMA TION ! W ARNINGS IMPORTANT: Read this owner ’ s manual carefully and completely before trying to assemble, operate, or service this heater. Improper use of this heater can cause serious injury or death from burns, fi re, explosion, electrical shock, and carbon monoxide poisoning. ! DANGER Carbon monoxide poisoning may lea ...

  • Desa 90 - page 4

    4 099606 150,000 BTU/HR EURO PFA/PV 045 Fuel Cap Lower Shell Power Cord Upper Shell Figure 3 - 150,000 BTU/Hr Model 35/50/70,000 BTU/HR DOMESTIC PFA/PV 042 Handle Fuel Cap Lower Shell Side Cover Fuel Tank Figure 1 - 30/70,000 BTU/Hr Models Side Cover Fuel Tank Lower Shell Fuel Cap Fan Guard Power Cord Upper Shell PRODUCT IDENTIFICA TION Upper Shell ...

  • Desa 90 - page 5

    5 099606 UNP ACKING 1. Remove all packing items applied to heater for shipment. 2. Remove all items from carton. 3. Check items for any shipping damage. If heater is damaged, promptly inform dealer where you bought heater. ASSEMBL Y (For 90,000 and 150,000 BTU/Hr Models Only) These models are furnished with wheels and handles. Wheels, handles, and ...

  • Desa 90 - page 6

    6 099606 THEOR Y OF OPERA TION The Fuel System: The air pump forces air through the air line. The air is then pushed through the burner head nozzle. This air causes fuel to lift from the tank. A fi ne mist of fuel is sprayed into the combustion chamber. The Air System: The motor turns the fan. The fan pushes air into and around the combustion cham ...

  • Desa 90 - page 7

    7 099606 VENTILA TION OPERA TION Continued Figure 6 - Flame-Out Control Reset Button, 30/70,000 BTU/Hr Figure 7 - Flame-Out Control Reset Button, 90,000 BTU/Hr ! W ARNING Follow the minimum fresh, outside air ventilation requirements. If proper fresh, outside air ventilation is not provided, carbon monoxide poisoning can occur. Provide proper fresh ...

  • Desa 90 - page 8

    8 099606 OPERA TION Continued Figure 8 - Flame-Out Control Reset Button, 150,000 BTU/Hr Continued PREVENT A TIVE MAINTENANCE SCHEDULE Item How Often How To Fuel tank Flush every 150-200 hours See Storage above. of operation or as needed. Air output and Replace every 500 hours of See Air Output, Air Intake , lint fi lters operation or once a year. ...

  • Desa 90 - page 9

    9 099606 Continued Item How Often How To Spark plug Clean and regap every 600 See Spark Plug , pages 12 and 13. hours operation or replace as needed. Fan blades Clean every season or as needed. See Fan , page 19. Motor Not required/permanently lubricated TROUBLE- SHOOTING OBSERVED FAULT POSSIBLE CAUSE REMEDY Wrong pump pressure Dirty air output, ai ...

  • Desa 90 - page 10

    10 099606 150 SHELL REMOVAL EA/EB Euro PV 020 Upper Shell Fan Guard Figure 12 - Fuel Filter Removal, 30/70,000 BTU/Hr Models Figure 11 - Upper Shell Removal, 150,000 BTU/Hr Model Figure 9 - Upper Shell Removal, 30/70,000 BTU/Hr Models Figure 10 - Upper Shell Removal, 90,000 BTU/Hr Model Upper Shell Fan Guard Fuel Filter Side Cover Fuel Line Fuel Fi ...

  • Desa 90 - page 11

    11 099606 100 FUEL FILTER REMOVAL PFA/P 041 150 FUEL FILTER REMOVAL PFA/P 043 Fuel Filter (90,000 BTU/Hr Model) 1. Remove side cover screws using 5/16" nut-driver. 2. Remove side cover. 3. Pull upper fuel line off fuel fi lter neck. 4. Carefully pry bushing, lower fuel line, and fuel fi lter out of fuel tank. 5. Wash fuel fi lter with clean ...

  • Desa 90 - page 12

    12 099606 Spark Plug (30,000 BTU/Hr Model) 1. Remove upper shell (see page 10). 2. Remove fan (see page 19). 3. Remove fuel and air line hoses from nozzle assembly. 4. Remove spark plug wire from spark plug. 5. Remove two screws using 5/16" nut-driver and remove burner strap. 6. Place hex-body of spark plug into vise and tighten. 7. Remove spa ...

  • Desa 90 - page 13

    13 099606 Spark Plug (70/90/150,000 BTU/Hr Models) 1. Remove upper shell (see page 10). 2. Remove fan (see page 19). 3. Remove spark plug wire from spark plug. 4. Remove spark plug from burner head using 13/16" open-end wrench. 5. Clean and regap spark plug electrodes to .055" (1.4 mm) gap. 6. Install spark plug in burner head. 7. Attach ...

  • Desa 90 - page 14

    14 099606 Air Output, Air Intake, and Lint Filters 1. Remove upper shell (see page 10). 2. Remove fi lter end cover screws using 5/16" nut- driver. 3. Remove fi lter end cover. 4. Replace air output and lint fi lters. 5. Wash or replace air intake fi lter (see Preventative Maintenance Schedule, page 8). 6. Replace fi lter end cover. 7. Re ...

  • Desa 90 - page 15

    15 099606 Nozzle (30,000 BTU/Hr Model) 1. Remove upper shell (see page 10). 2. Remove fan (see page 19). 3. Remove fuel and air line hoses from nozzle assem- bly. 4. Turn nozzle assembly 1/4 turn to left and pull toward motor to remove. 5. Place plastic hex-body into vise and lightly tighten. 6. Carefully remove nozzle from the nozzle adapter using ...

  • Desa 90 - page 16

    16 099606 Nozzle (70/90,000 BTU/Hr Models) 1. Remove upper shell (see page 10). 2. Remove fan (see page 19). 3. Remove fuel and air line hoses from burner head. 4. Remove spark plug wire from spark plug. 5. Remove spark plug from burner head using 13/16" open-end wrench. 6. Remove three screws using 5/16" nut-driver and remove burner head ...

  • Desa 90 - page 17

    17 099606 Nozzle (150,000 BTU/Hr Model) 1. Remove upper shell (see page 10). 2. Remove fan (see page 19). 3. Remove spark plug wire from spark plug. 4. Remove spark plug from burner head using 13/16" open-end wrench. 5. Loosen fl are nut using 3/4" open-end wrench. Push fuel tube down. 6. Remove air line hose from burner head. 7. Remove ...

  • Desa 90 - page 18

    18 099606 Pump Rotor (Procedure if rotor is binding) 1. Remove upper shell (see page 10). 2. Remove fi lter end cover screws using 5/16" nut- driver. 3. Remove fi lter end cover and air fi lters. 4. Remove pump plate screws using 5/16" nut- driver. 5. Remove pump plate. 6. Remove rotor, insert, and blades. 7. Check for debris in pump. ...

  • Desa 90 - page 19

    19 099606 Fan IMPORTANT: Remove fan from motor shaft before removing motor from heater. The weight of the motor resting on the fan could damage the fan pitch. 1. Remove upper shell (see page 10). 2. Use 1/8" allen wrench to loosen setscrew which holds fan to motor shaft. 3. Slip fan off motor shaft. 4. Clean fan using a soft cloth moistened wi ...

  • Desa 90 - page 20

    20 099606 ILLUSTRA TED P ARTS BREAKDOWN 30,000 BTU/Hr 18-1 18-2 18-3 18-4 18-5 18-6 18-7 18-8 18-9 18-10 18-11 18-12 18-13 18-14 18-15 18-16 18-17 18-18 Motor and Pump Assembly 1 2 3 4 5 6 7 8 9 11 12 13 13 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 35 36 37 38 39 14 10 11-1 11-2 11-3 11-4 11-5 33 34 40 41 42 ...

  • Desa 90 - page 21

    21 099606 This list contains replaceable parts used in your heater. When ordering parts, be sure to provide the correct model and serial numbers (from the model plate), then the part number and description of the desired part. P ARTS LIST 30,000 BTU/Hr KEY PART PART NO. NUMBER DESCRIPTION QTY. 1 M51104-01 Handle 1 2 098511-36 Upper Shell 1 3 M15823 ...

  • Desa 90 - page 22

    22 099606 1 2 4 3 5 6 7 8 10 11 12 12 14 15 16 (2) 17 20 18 19 21 22 24 25 26 27 28 29 30 31 32 34 38 37 41 13 9 33 35 36 42 43 39 40 23 44 ILLUSTRA TED P ARTS BREAKDOWN 70,000 BTU/Hr 18-1 18-2 18-3 18-4 18-5 18-7 18-8 18-9 18-10 18-11 18-12 18-14 18-15 18-16 18-18 18-17 18-6 PFA/P 007 MOTOR & PUMP 70 EAI/EBI 18-13 Motor and Pump Assembly Burne ...

  • Desa 90 - page 23

    23 099606 P ARTS LIST 70,000 BTU/Hr This list contains replaceable parts used in your heater. When ordering parts, be sure to provide the correct model and serial numbers (from the model plate), then the part number and description of the desired part. **Not available as an assembly, order parts separately. KEY PART PART NO. NUMBER DESCRIPTION QTY. ...

  • Desa 90 - page 24

    24 099606 1 2 3 4 5 7 8 9 10 11 12 13 14 15 16 (2) 17 18 19 20 25 26 29 30 31 32 33 34 35 36 37 38 39 40 41 6 42 43 21 22 23 24 45 44 27 28 46 PFA/P 010 MOTOR & PUMP 100 EAI/EBI ILLUSTRA TED P ARTS BREAKDOWN 90,000 BTU/Hr 13-1 13-2 13-3 13-4 13-5 13-6 13-7 13-8 13-9 13-10 13-11 13-12 13-13 13-15 13-16 13-17 13-18 13-14 Motor and Pump Assembly B ...

  • Desa 90 - page 25

    25 099606 P ARTS LIST 90,000 BTU/Hr This list contains replaceable parts used in your heater. When ordering parts, be sure to provide the correct model and serial numbers (from the model plate), then the part number and description of the desired part. **Not available as an assembly, order parts separately. KEY PART PART NO. NUMBER DESCRIPTION QTY. ...

  • Desa 90 - page 26

    26 099606 1 2 3 4 5 7 8 9 10 11 12 13 14 15 16 17 18 19 20 22 9 23 24 25 26 27 28 29 30 31 13 32 9 32 33 34 9 35 36 37 40 41 42 43 9 45 46 47 9 48 44 49 50 51 32 52 6 39 38 21 53 9 54 BURNER HEAD 150 EAI/EBI PFA/P 028 ILLUSTRA TED P ARTS BREAKDOWN 150,000 BTU/Hr 22-1 22-2 22-3 22-4 22-5 22-6 22-7 22-8 22-9 22-10 22-11 22-12 22-13 22-14 22-15 22-16 ...

  • Desa 90 - page 27

    27 099606 KEY PART PART NO. NUMBER DESCRIPTION QTY. 22-15 M12461-34 Screw, #10-32 x 1 1/2" 6 22-16 M11637 Lint Filter 1 22-17 M50820-02 Barb Fitting 1 22-18 M8643-3 Blade 4 23 M12651-1 Capacitor Clamp 1 24 M12650-3 Capacitor 1 25 M12828 Shell Support Bracket 1 26 M30865-04 Open/Closed Bushing 1 27 M16645 Motor Support Bracket 1 28 M51357-01 Ca ...

  • Desa 90 - page 28

    28 099606 ASSEMBLY, EURO PFA/PV 018A 1 2 3 4 5 6 7 KEY PART PART 90,000 150,000 NO. NUMBER DESCRIPTION QTY. QTY. 1 HA2203 Handles 2 — HA2205 Handles — 2 2 M12345-33 Screw, #10-24 x 1 3/4" 8 8 3 M12342-3 Wheel Support Frame 1 — M12831-3 Wheel Support Frame — 1 4 NTC-3C Hex Nut, #10-24 8 8 5 097896-01 Wheel 2 2 6 M28526 Cap Nut 2 2 7 M51 ...

  • Desa 90 - page 29

    29 099606 WIRING DIAGRAMS Ignitor White Brown Blue Green/Yellow Photocell Spark Plug Flame- Out Control B Reset Button R Red Blue White Blue White Red Red Orange Terminal Board Motor Green/ Yellow Red Motor Start Relay Black S or 2 M or 3 L or 1 230V/50Hz Ignitor White Brown Blue Green/Yellow Photocell Spark Plug Flame- Out Control B Reset Button R ...

  • Desa 90 - page 30

    30 099606 ACCESSORIES Purchase accessories from your local dealer. HEAVY DUTY WHEELS AND HANDLE KIT - HA1202 For heavy duty applications. Makes your heater even more portable and convenient. For 30/70,000 BTU/Hr models. AIR GAUGE KIT - HA1180 For all models. Special tool to check pump pressure. STANDARD WHEELS AND HANDLE KIT - HA1206 Makes heater e ...

  • Desa 90 - page 31

    31 099606 NOTES ...

  • Desa 90 - page 32

    32 099606 W ARRANTY AND REP AIR SERVICE POSE. IN ANY EVENT IMPLIED WARRANTIES INCLUDING THOSE OF MERCHANTABILITY AND FITNESS FOR A PAR- TICULAR PURPOSE ARE LIMITED TO THE DURATION OF THIS EXPRESS WARRANTY. Any transportation charges, costs of installation, duty, taxes or any other charges whatsoever must be borne by the user. DESA International&apo ...

Manufacturer Desa Category Air Conditioner

Documents that we receive from a manufacturer of a Desa 90 can be divided into several groups. They are, among others:
- Desa technical drawings
- 90 manuals
- Desa product data sheets
- information booklets
- or energy labels Desa 90
All of them are important, but the most important information from the point of view of use of the device are in the user manual Desa 90.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals Desa 90, service manual, brief instructions and user manuals Desa 90. Depending on your needs, you should look for the document you need. In our website you can view the most popular manual of the product Desa 90.

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A complete manual for the device Desa 90, 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 90 by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Desa 90.

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 90 - 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 90, 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 90, that we can find in the current document
3. Tips how to use the basic functions of the device Desa 90 - which should help us in our first steps of using Desa 90
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with Desa 90
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of Desa 90 in a specific country, if it was not possible to solve the problem on our own.

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