Instruction/ maintenance manual of the product NTH150-2 Desa
Go to page of 28
IMPORTANT: Read and understand this manual before assembling, start- ing or servicing heater. Improper use of heater can cause serious injury. Keep this manual for future reference.
2 105787 POR T ABLE FORCED AIR HEA TERS SAFETY INFORMA TION WARNINGS IMPORTANT: Read this owner’s manual carefully and completely before trying to assemble, oper- ate, or service this heater. Im- proper use of this heater can cause serious injury or death from burns, fire, explosion, electrical shock, and carbon monoxide poisoning.
3 105787 OWNER’S MANUAL Side Cover Lower Shell Fuel Cap Hot Air Outlet Upper Shell Power Cord Fuel Tank Fan Guard Lower Shell Side Cover Fuel Tank Upper Shell Hot Air Outlet Handle Fan Guard Air Fil.
4 105787 POR T ABLE FORCED AIR HEA TERS Screw Wheel Support Frame Wheel Cap Nut Nut Extended Hub Front Handle Axle Rear Handle Air Inlet Fuel Tank Flange Hot Air Outlet ASSEMBL Y (FOR 100,000 AND 150,000 BTU/HR MODELS ONLY) These models are furnished with wheels and handles.
5 105787 OWNER’S MANUAL OPERA TION WARNING: Review and un- derstand the warnings in the Safety Information section, page 2. They are needed to safely op- erate this heater. Follow all local codes when using this heater. TO START HEATER 1. Follow all ventilation and safety infor- mation.
6 105787 POR T ABLE FORCED AIR HEA TERS STORING, TRANSPOR TING, OR SHIPPING Note: If shipping, transport companies re- quire fuel tanks to be empty. 1. Drain fuel tank. Note: Some models have drain plug on underside of fuel tank. If so, remove drain plug to drain all fuel.
7 105787 OWNER’S MANUAL REMEDY 1. Fill tank with kerosene 2. See Pump Pr essur e Adjustment, page 10 3. See Fuel Filter , page 8 4. See Nozzle Assembly , page 1 1 5. Drain and flush fuel tank with clean kerosene. See Storing, T ransporting, or Shipping, page 6 6.
8 105787 POR T ABLE FORCED AIR HEA TERS Figure 9 - Fuel Filter Removal, 35/50/70,000 Btu/Hr Models UPPER SHELL REMOVAL 1. Remove screws and lock washers along each side of heater using 5/16" nut- driver . These screws attach upper and lower shells together .
9 105787 OWNER’S MANUAL SER VICE PROCEDURES Continued Continued IGNITOR 1. Remove upper shell and fan guard (see page 8). 2. Remove fan (see page 13). 3. Remove 4 side cover screws with a 5/16" nut driver . Remove side cover (see Figure 9 or 10, page 8).
10 105787 POR T ABLE FORCED AIR HEA TERS AIR OUTPUT, AIR INTAKE, AND LINT FILTERS 1. Remove upper shell (see page 8). 2. Remove filter end cover screws using 5/16" nut-driver . 3. Remove filter end cover . 4. Replace air output and lint filters.
11 105787 OWNER’S MANUAL Continued SER VICE PROCEDURES Continued Figure 18 - Removing Air and Fuel Line Hoses (100,000 Btu/Hr Model Only) Figure 20 - Removing Nozzle/Adapter Assembly Figure 21 - Nozzle and Nozzle Adapter NOZZLE ASSEMBLY 1. Remove upper shell (see page 8).
12 105787 POR T ABLE FORCED AIR HEA TERS PUMP ROTOR (Procedure if Rotor is Binding) 1. Remove upper shell (see page 8). 2. Remove filter end cover screws using 5/16" nut-driver . 3. Remove filter end cover and air filters. 4. Remove pump plate screws using 5/16" nut-driver .
13 105787 OWNER’S MANUAL Unacceptable Acceptable 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 8). 2. Use 1/8" allen wrench to loosen set- screw which holds fan to motor shaft.
14 105787 POR T ABLE FORCED AIR HEA TERS 1 2 3 4 5 6 7 8 9 10 11 12 13 16 9-2 9-1 9-3 9-4 9-5 17 18 19 20 21 22 23 24 26 27 28 29 30 34 35 36 32 33 9-6 15 14 31 42 41 43 40 38 37 39 25 ILLUSTRA TED PA.
15 105787 OWNER’S MANUAL P ARTS LIST NTH35-2 35,000 BTU/HR MODEL 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.
16 105787 POR T ABLE FORCED AIR HEA TERS 1 2 3 4 5 6 7 8 9 10 11 12 13 16 9-2 9-1 9-3 9-4 9-5 17 18 19 20 21 22 23 24 26 27 28 29 30 34 35 36 32 33 9-6 15 14 31 42 41 43 40 38 37 39 25 ILLUSTRA TED PA.
17 105787 OWNER’S MANUAL P ARTS LIST NTH50-2 50,000 BTU/HR MODEL 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.
18 105787 POR T ABLE FORCED AIR HEA TERS 1 2 3 4 5 6 7 8 9 10 11 12 13 16 9-2 9-1 9-3 9-4 9-5 17 18 19 20 21 22 23 24 26 27 28 29 30 34 35 36 32 33 9-6 15 14 31 42 41 43 40 38 37 39 25 ILLUSTRA TED PA.
19 105787 OWNER’S MANUAL P ARTS LIST NTH70-2 70,000 BTU/HR MODEL 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.
20 105787 POR T ABLE FORCED AIR HEA TERS 1 2 3 23 19 9 10 16 11 12 15 25 27 24 28 20 22 21 30 31 17 14 14 35 36 32 26 13 18 5 4 6 7 8 7-2 7-1 7-5 7-4 7-3 7-6 43 42 41 33 34 37 40 39 44 38 29 ILLUSTRA .
21 105787 OWNER’S MANUAL KEY PART NO. NUMBER DESCRIPTION QTY. 1 098511-257 Upper Shell 1 2 102432-01 Screw/Lockwasher, 1/2" 8 3 098512-65 Combustion Chamber 1 4 103971-01 Photocell Bracket 1 5 .
22 105787 POR T ABLE FORCED AIR HEA TERS 1 2 3 23 19 9 10 16 11 12 15 25 27 24 28 20 22 21 30 31 17 14 14 35 36 32 26 13 18 5 4 6 7 8 7-2 7-1 7-5 7-4 7-3 7-6 43 42 41 33 34 37 40 39 44 38 29 ILLUSTRA .
23 105787 OWNER’S MANUAL KEY PART NO. NUMBER DESCRIPTION QTY. 1 098511-257 Upper Shell 1 2 102432-01 Screw/Lockwasher, 1/2" 8 3 098512-66 Combustion Chamber 1 4 103154-05 Photocell Bracket 1 5 .
24 105787 POR T ABLE FORCED AIR HEA TERS WHEELS AND HANDLES 100,000 AND 150,000 BTU/HR MODELS KEY PART PART 100,000 Btu/Hr 150,000 Btu/Hr NO. NUMBER DESCRIPTION QTY.
25 105787 OWNER’S MANUAL Output Rating (Btu/Hrkw) 35,000(10) 50,000(15) 70,000(20) 100,000(30) 150,000(44) Fuel Use Only Kerosene or No. 1 Fuel Oil Fuel Tank Capacity (U.S. Gal./Liters) 3.0/11.4 5.0/18.9 5.0/18.9 9.0/34 13.5/51.1 Fuel Consumption (Gal.
26 105787 POR T ABLE FORCED AIR HEA TERS 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 35/50/70,000 Btu/Hr models.
27 105787 OWNER’S MANUAL EC CONFORMITY DECLARA TION NU-T OOL Group Carcr oft Industrial Estate, Adwic k-Le-Street Doncoster KN6 7DU , England Manufacturer: DESA International, Inc.
W ARRANTY INFORMA TION WARRANTIES INCLUDING THOSE OF MERCHANTABIL- ITY AND FITNESS FOR A PARTICULAR PURPOSE ARE LIMITED TO THE DURATION OF THIS EXPRESS WAR- RANTY. 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 NTH150-2 (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 NTH150-2 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 NTH150-2 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Desa NTH150-2 you will learn all the available features of the product, as well as information on its operation. The information that you get Desa NTH150-2 will certainly help you make a decision on the purchase.
If you already are a holder of Desa NTH150-2, 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 NTH150-2.
However, one of the most important roles played by the user manual is to help in solving problems with Desa NTH150-2. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Desa NTH150-2 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
