Desa NTH70-2 - Manuals

Desa NTH70-2 – Manual in PDF format online.

Manuals:

Manual

Manual Desa NTH70-2

Summary

Page 2 - PORTABLE FORCED AIR HEATERS; WARNINGS; DANGER: Carbon monoxide

2 105787 PORTABLE FORCED AIR HEATERS SAFETYINFORMATION WARNINGS IMPORTANT: Read this owner’smanual carefully and completelybefore trying to assemble, oper-ate, or service this heater. Im-proper use of this heater cancause serious injury or death fromburns, fire, explosion, electricalshock, and carbo...

Page 3 - OWNER’S MANUAL; UNPACKING; Remove all items from carton.; FUELS; WARNING: Use only kerosene; • clogged fuel filter and nozzle

3 105787 OWNER’S MANUAL Side Cover LowerShell 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 FilterEnd Cover Fuel Cap PowerCord ON/OFF Switchwith Light ON/OFF Switchwith Light PRODUCTIDENTIFICATION F...

Page 4 - ASSEMBLY; Tools Needed; • Medium Phillips Screwdriver; VENTILATION; requires one of the following:

4 105787 PORTABLE FORCED AIR HEATERS Screw WheelSupportFrame Wheel Cap Nut Nut ExtendedHub Front Handle Axle RearHandle AirInlet Fuel TankFlange Hot AirOutlet ASSEMBLY (FOR 100,000 AND 150,000BTU/HR MODELS ONLY) These models are furnished with wheels andhandles. Wheels, handles, and the mountinghard...

Page 5 - OPERATION; TO START HEATER; The air pump forces; TO STOP HEATER; Repeat steps under To Start Heater.

5 105787 OWNER’S MANUAL OPERATION WARNING: Review and un- derstand the warnings in theSafety Information section, page2. They are needed to safely op-erate this heater. Follow all localcodes when using this heater. TO START HEATER 1. Follow all ventilation and safety infor-mation. 2. Fill fuel tank ...

Page 6 - Do not store kerosene over; WARNING: Never service heater; Wiring Diagram, page 25; TROUBLESHOOTING; WARNING: Never service heater while it is plugged in, operating, or

6 105787 PORTABLE FORCED AIR HEATERS STORING,TRANSPORTING,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, removedrain plug to drain all fuel. If heaterdoes not have drain plug...

Page 7 - REMEDY; Continued; FAULT CONDITION

7 105787 OWNER’S MANUAL REMEDY 1. Fill tank with kerosene2. See Pump Pressure Adjustment, page 103. See Fuel Filter, page 84. See Nozzle Assembly, page 115. Drain and flush fuel tank with clean kerosene. See Storing, Transporting, orShipping, page 6 6. Check electrical connections. See Wiring Diagra...

Page 8 - UPPER SHELL REMOVAL; Lift upper shell off.; Pull rubber fuel line off fuel filter neck.; FUEL FILTER; Pull upper fuel line off fuel filter neck.; WARNING: Never service

8 105787 PORTABLE FORCED AIR HEATERS Figure 9 - Fuel Filter Removal, 35/50/70,000 Btu/Hr Models UPPER SHELL REMOVAL 1. Remove screws and lock washers alongeach side of heater using 5/16" nut-driver. These screws attach upper andlower shells together. 2. Lift upper shell off. 3. Remove fan guard....

Page 9 - IGNITOR; CAUTION: Do not bend or strike; Route the ignitor wires back down

9 105787 OWNER’S MANUAL SERVICEPROCEDURES Continued Continued IGNITOR 1. Remove upper shell and fan guard (seepage 8). 2. Remove fan (see page 13). 3. Remove 4 side cover screws with a5/16" nut driver. Remove side cover(see Figure 9 or 10, page 8). 4. Disconnect ignitor wires (black) fromignitio...

Page 10 - Remove filter end cover.

10 105787 PORTABLE FORCED AIR HEATERS AIR OUTPUT, AIR INTAKE,AND LINT FILTERS 1. Remove upper shell (see page 8). 2. Remove filter end cover screws using5/16" nut-driver. 3. Remove filter end cover. 4. Replace air output and lint filters. 5. Wash or replace air intake filter (seePreventative Mai...

Page 11 - NOZZLE ASSEMBLY; Inspect nozzle seal for damage.; Hoses are not to be touching pho-

11 105787 OWNER’S MANUAL Continued SERVICEPROCEDURES Continued Figure 18 - Removing Air and Fuel LineHoses (100,000 Btu/Hr Model Only) Figure 20 - Removing Nozzle/AdapterAssembly Figure 21 - Nozzle and Nozzle Adapter NOZZLE ASSEMBLY 1. Remove upper shell (see page 8). 2. Remove fan (see page 13). 3....

Page 12 - PUMP ROTOR; Remove filter end cover and air filters.

12 105787 PORTABLE FORCED AIR HEATERS PUMP ROTOR (Procedure if Rotor is Binding) 1. Remove upper shell (see page 8). 2. Remove filter end cover screws using5/16" nut-driver. 3. Remove filter end cover and air filters. 4. Remove pump plate screws using 5/16"nut-driver. 5. Remove pump plate. 6...

Page 13 - FAN; Remove fan from motor; WARNING: Unplug heater; Remove Old Assembly; CAUTION: Ignition control; Installing the New Assembly; CAUTION: Double check

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 fancould 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 ...

Page 14 - Motor and Pump Assembly

14 105787 PORTABLE FORCED AIR HEATERS 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 ILLUSTRATEDPARTSBREAKDOWN NTH35-235,000 BTU/HR MODEL Motor and Pump Assembly 12-11 12-18 12-17 12-16 12-15 12-14 12-13...

Page 15 - PARTS LIST

15 105787 OWNER’S MANUAL PARTS LIST NTH35-235,000 BTU/HR MODEL This list contains replaceable parts used in your heater. When ordering parts, be sure toprovide the correct model and serial numbers (from the model plate), then the part numberand description of the desired part. KEY PART NO. NUMBER DE...

Page 24 - KEY PART

24 105787 PORTABLE FORCED AIR HEATERS WHEELS ANDHANDLES 100,000 AND 150,000 BTU/HRMODELS KEY PART PART 100,000 Btu/Hr 150,000 Btu/Hr NO. NUMBER DESCRIPTION QTY. QTY. 1 HA2203 Handles 2 — HA2204 Handles — 2 2 M12345-33 Screw, #10-24 x 1 3 / 4 " 8 8 3 M12342-3 Wheel Support Frame 1 — M12831-3 Whee...

Page 25 - Fuel; SPECIFICATIONS; Ignition Control

25 105787 OWNER’S MANUAL Output Rating(Btu/Hr\kw) 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. Per Hr./Liters Per Hr.) .28/1.1 .37/1.40 .52/1.97...

Page 26 - ACCESSORIES; Purchase accessories from your local dealer.

26 105787 PORTABLE FORCED AIR HEATERS ACCESSORIES Purchase accessories from your local dealer. HEAVY DUTY WHEELS ANDHANDLE KIT - HA1202 For heavy duty applications. Makes yourheater even more portable and convenient.For 35/50/70,000 Btu/Hr models. AIR GAUGE KIT - HA1180 For all models. Special tool ...

Page 27 - EC CONFORMITY DECLARATION

27 105787 OWNER’S MANUAL EC CONFORMITY DECLARATION NU-TOOL Group Carcroft Industrial Estate, Adwick-Le-Street Doncoster KN6 7DU, England Manufacturer: DESA International, Inc. 2701 Industrial Drive Bowling Green, KY 42101 U.S.A. Kerosene Portable Forced Air Heaters Model Numbers: NTH35-2, NTH50-2, N...

Page 28 - WARRANTY INFORMATION; CERTIFICATE OF GENERAL; NOT A UPC

WARRANTY INFORMATION WARRANTIES INCLUDING THOSE OF MERCHANTABIL-ITY AND FITNESS FOR A PARTICULAR PURPOSE ARELIMITED 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 theuser. NU-TOOL's obligation...