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PORTABLE
FORCED
AIR HEATER
(WITH BUILT-IN THERMOSTAT)
OWNER'S MANUAL
Heater Size: 110,000 Btu/Hr
Models: B110BT, R110BT, and REM110BT
H.S.I. Series
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.
®
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Table of Contents
Related Manuals for Desa B110BT
Summary of Contents for Desa B110BT
- Page 1 AIR HEATER (WITH BUILT-IN THERMOSTAT) OWNER’S MANUAL Heater Size: 110,000 Btu/Hr Models: B110BT, R110BT, and REM110BT H.S.I. Series 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.
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Page 2: Safety Information
110,000 Btu/Hr H.S.I. Series PORTABLE FORCED AIR HEATER SAFETY INFORMATION WARNINGS IMPORTANT: Read this Owner’s Manual carefully and completely before trying to assemble, oper- ate, or service this heater. Improper use of this heater can cause seri- ous injury or death from burns, fire, explosion, electrical shock, and carbon monoxide poisoning. -
Page 3: Product Identification
PRODUCT IDENTIFICATION Hot Air Outlet Lower Shell Fuel Side Cover Ignition Control Assembly (assembly on inside of side cover) Figure 1 - Portable Forced Air Heater ASSEMBLY These models are furnished with wheels and a front handle. Some models are furnished with a rear handle also. -
Page 4: Theory Of Operation
110,000 Btu/Hr H.S.I. Series PORTABLE FORCED AIR HEATER FUELS WARNING: Use only kerosene or No. 1 fuel oil to avoid risk of fire or explosion. Never use gasoline, naphtha, paint thinners, alcohol, or other highly flammable fuels. Do not use heavy fuels such as No. 2 fuel oil or No. -
Page 5: Operation
OPERATION WARNING: Review and un- derstand the warnings in the Safety Information section, page 2. They are needed to safely oper- ate this heater. Follow all local codes when using this heater. TO START HEATER 1. Follow all ventilation and safety infor- mation. -
Page 6: Troubleshooting
110,000 Btu/Hr H.S.I. Series PORTABLE FORCED AIR HEATER TROUBLESHOOTING Note: For additional help, visit DESA International’s Technical Service web site at www.desatech.com. OBSERVED FAULT Motor does not start five seconds after heater is plugged in Motor starts and runs but heater does not... -
Page 7: Service Procedures
SERVICE PROCEDURES WARNING: Never service heater while it is plugged in, op- erating, or hot. Severe burns and electrical shock can occur. UPPER SHELL REMOVAL 1. Remove screws along each side of heater using 5/16" nut-driver. These screws attach upper and lower shells together. -
Page 8: Fuel Filter
110,000 Btu/Hr H.S.I. Series PORTABLE FORCED AIR HEATER SERVICE PROCEDURES Continued WARNING: Never service heater while it is plugged in, oper- ating, or hot. Severe burns and electrical shock can occur. FUEL FILTER 1. Remove side cover screws using 5/16" nut-driver. - Page 9 SERVICE PROCEDURES Continued NOZZLE ASSEMBLY 1. Remove upper shell (see page 7). 2. Remove fan (see page 7). 3. Remove fuel and air line hoses from nozzle assembly (see Figure 12). 4. Turn nozzle assembly 1/4 turn to left and pull toward motor to remove (see Figure 13).
- Page 10 110,000 Btu/Hr H.S.I. Series PORTABLE FORCED AIR HEATER SERVICE PROCEDURES Continued PUMP ROTOR (Procedure if Rotor is Binding) 1. Remove upper shell (see page 7). 2. Remove filter end cover screws using 5/16" nut-driver. 3. Remove filter end cover and air filters (see Figure 16).
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Page 11: Wiring Diagram
Use Only Kerosene or No. 1 Fuel Oil 120 V/60 Hz 3440 OWNER’S MANUAL TECHNICAL SERVICE You may have further questions about op- eration or troubleshooting. If so, contact DESA International’s Technical Service Dept. at 1-800-323-5190. You can also visit DESA International’s Technical Service www.desatech.com. site... -
Page 12: Illustrated Parts Breakdown
110,000 Btu/Hr H.S.I. Series PORTABLE FORCED AIR HEATER ILLUSTRATED PARTS BREAKDOWN B110BT R110BT REM110BT 10-1 10-2 10-3 10-4 10-17 10-16 10-15 10-13 Motor and Pump Assembly 10-5 10-6 10-7 10-8 10-14 10-13 10-12 10-9 10-10 10-11 104192... -
Page 13: Parts List
This list contains replaceable parts used in your heater. When ordering parts, be sure to provide the correct PARTS LIST model and serial numbers (from the model plate), then the part number and description of the desired part. B110BT R110BT REM110BT... - Page 14 KEY PART PART NO. NUMBER DESCRIPTION HA2203 Handle M12345-33 Screw, #10-24 x 1 (REM110BT, R110BT) M12342-3 Wheel Support Frame NTC-3C Hex Nut, #10-24 (B110BT) (REM110BT, R110BT) 097896-04 Wheel (Master and Remington) 097896-01 Wheel (Reddy) M28526 Cap Nut M51015-01 Axle QTY. QTY.
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Page 15: Replacement Parts
Purchase accessories and parts from your nearest dealer or service center. If they can not supply these accessories or parts, either contact your nearest Parts Central or DESA International for referral information. Parts Centrals are listed in the Authorized Service Center booklet supplied with heater. -
Page 16: Warranty And Repair Service
Should your heater require service, return it to your nearest authorized service center. Proof of purchase must be presented with the heater. The heater will be inspected. A defect may be caused by faulty materials or workmanship. If so, DESA International will repair or replace the heater without charge.