IMPORTANT: Read and understand this manual before
assembling, starting, or servicing heater. Improper use
of heater can cause serious injury. Keep this manual for
future reference.
Save this manual for future reference.
For more information, visit www.desatech.com
HEATER SIZES: 40,000 50,000 55,000 60,000 70,000 110,000
115,000 155,000 165,000 AND 200,000 BTU/HR MODELS
H.S.I. SERIES
KEROSENE/DIESEL PORTABLE FORCED AIR HEATERS
OWNER’S MANUAL
New
Straight
Shell
Design
Fill In For Your Records
Model No. _______________________
(Located on side panel)
Serial No. _______________________
(Located on fuel tank)
Date of Purchase: _________________
TABLE OF CONTENTS
Safety Information ............................................... 2
Unpacking ........................................................... 3
Product Identification .......................................... 3
Fuels ................................................................... 4
Ventilation ........................................................... 4
Theory of Operation ............................................ 4
Assembly ............................................................ 5
Operation ............................................................ 5
Operation With Portable Generator ..................... 6
Storing, Transporting, or Shipping ....................... 6
Preventative Maintenance Schedule ................... 7
Troubleshooting ................................................... 7
Service Procedures ............................................. 9
Specifications .................................................... 15
Wiring Diagrams ............................................... 16
Illustrated Parts Breakdown and Parts List ....... 18
Replacement Parts ........................................... 30
Technical Service .............................................. 31
Accessories ....................................................... 31
Warranty and Repair Service ............. Back Cover
