Page 2 - PORTABLE FORCED AIR HEATERS; WARNINGS; DANGER: Carbon monoxide
2 105843 PORTABLE FORCED AIR HEATERS D20H, D30H AND D44H MODELS 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,...
Page 3 - OWNER’S MANUAL; UNPACKING; FUELS; WARNING: Use only kerosene
3 105843 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 Fan Guard Air FilterEnd Cover Fuel Cap PowerCord ON/OFF Switch ON/OFF Switch PRODUCTIDENTIFICATION Figure 1 - D20H Model Figure...
Page 4 - ASSEMBLY; TOOLS NEEDED; VENTILATION
4 105843 PORTABLE FORCED AIR HEATERS D20H, D30H AND D44H MODELS ASSEMBLY These models are furnished with wheels andhandles. Wheels, handles, and the mountinghardware are found in the shipping carton. TOOLS NEEDED • Medium Phillips Screwdriver • 3/8" Open or Adjustable Wrench • Hammer 1. S l i d ...
Page 5 - OPERATION; TO START HEATER; The Fuel System; TO STOP HEATER
5 105843 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 - How To; WARNING: Never service heater; Item
6 105843 PORTABLE FORCED AIR HEATERS D20H, D30H AND D44H MODELS 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 hea...
Page 7 - REMEDY; POSSIBLE CAUSE; TROUBLESHOOTING; WARNING: Never service heater while it is plugged in, operating, or; FAULT CONDITION
7 105843 OWNER’S MANUAL REMEDY 1. Check circuit breaker in electrical panel 2. Check all electrical connections. See Wiring Diagram, page 13 3. See Ignition Control Assembly, page 134. If fan does not turn freely, see Pump Rotor, page 12 5. Replace ignition control assembly6. Replace motor 1. Fill t...
Page 8 - UPPER SHELL REMOVAL; FUEL FILTER; WARNING: Never service
8 105843 PORTABLE FORCED AIR HEATERS D20H, D30H AND D44H MODELS Figure 9 - Fuel Filter Removal, D20H Model 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...
Page 9 - IGNITOR; CAUTION: Do not bend or strike
9 105843 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 (gray) fromignition...
Page 11 - NOZZLE ASSEMBLY
11 105843 OWNER’S MANUAL Continued SERVICEPROCEDURES Continued Fuel LineHose Nozzle/AdapterAssembly CombustionChamber Air LineHose Figure 18 - Removing Air and Fuel LineHoses (D30H Model Only) Nozzle/AdapterAssembly CombustionChamber Figure 20 - Removing Nozzle/AdapterAssembly Nozzle Face Nozzle Noz...
Page 12 - PUMP ROTOR
12 105843 PORTABLE FORCED AIR HEATERS D20H, D30H AND D44H MODELS 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-driv...
Page 13 - FAN; SPECIFICATIONS; WIRING DIAGRAM
13 105843 OWNER’S MANUAL 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 motor shaft. 3. Slip fan...
Page 14 - Motor and Pump Assembly
14 105843 PORTABLE FORCED AIR HEATERS D20H, D30H AND D44H MODELS 2 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 32 33 9-6 15 14 31 3 1 36 40 38 37 39 25 ILLUSTRATEDPARTSBREAKDOWN D20H MODEL Motor and Pump Assembly 12-11 12-18 12-17 12-16 12-15 12-14 12-...
Page 15 - PARTS LIST
15 105843 OWNER’S MANUAL PARTS LIST D20H 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 DESCRIPTION QTY. 1...
Page 20 - WHEELS AND HANDLES; ACCESSORIES
20 105843 PORTABLE FORCED AIR HEATERS D20H, D30H AND D44H MODELS WHEELS AND HANDLES KEY PART PART D20H D30H D44H NO. NUMBER DESCRIPTION QTY. QTY. QTY. 1 HA2203 Handles — 2 — HA2204 Handles — — 2 097198-02 Handles 1 — — 2 M12345-33 Screw, #10-24 x 1 3 / 4 " 4 8 8 3 M12342-3 Wheel Support Frame — ...
Page 21 - EC CONFORMITY DECLARATION
21 105843 OWNER’S MANUAL EC CONFORMITY DECLARATION DESA Europe B.V. Innsbruckweg 144, 3047 AH Postbus 11158 3004 ED Rotterdam Holland Manufacturer: DESA International, Inc. 2701 Industrial Drive Bowling Green, KY 42101 U.S.A. Kerosene Portable Forced Air Heaters Model Numbers: D20H, D30H, and D44H I...
Page 22 - WARRANTY INFORMATION; CERTIFICATE OF GENERAL; INTERNATIONAL; NOT A UPC
WARRANTY INFORMATION POSE. IN ANY EVENT IMPLIED WARRANTIES INCLUDINGTHOSE OF MERCHANTABILITY AND FITNESS FOR A PAR-TICULAR PURPOSE ARE LIMITED TO THE DURATION OFTHIS EXPRESS WARRANTY. Any transportation charges, costs of installation, duty, taxes or any other charges whatsoever must be borne by theu...