Instruction/ maintenance manual of the product 90 Desa
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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.
2 099606 Safety Information ......................................................................... 3 Product Identification .................................................................... 4 Unpacking ..........................................
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.
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 .
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.
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.
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.
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.
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.
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 Shel.
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.
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.
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 .
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).
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.
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.
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.
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.
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.
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.
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.
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 1.
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.
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 ART.
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.
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 .
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 .
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.
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.
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.
31 099606 NOTES.
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.
An important point after buying a device Desa 90 (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 90 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 90 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Desa 90 you will learn all the available features of the product, as well as information on its operation. The information that you get Desa 90 will certainly help you make a decision on the purchase.
If you already are a holder of Desa 90, 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 90.
However, one of the most important roles played by the user manual is to help in solving problems with Desa 90. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Desa 90 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
