PORTABLE FORCED
AIR HEATER
(WITH BUILT-IN THERMOSTAT)
OWNER’S MANUAL
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.
®
Fill In For Your Records
Model No. ___________________
(Located on side panel)
Serial No. ___________________
(Located on fuel tank)
Heater Sizes:
110,000, 115,000,
150,000, 155,000,
and 165,000 Btu/Hr
H.S.I. Series
TABLE OF CONTENTS
SAFETY INFORMATION ............................................. 2
UNPACKING ................................................................ 2
PRODUCT IDENTIFICATION ...................................... 3
ASSEMBLY .................................................................. 3
FUELS ......................................................................... 4
VENTILATION .............................................................. 4
THEORY OF OPERATION .......................................... 4
OPERATION ................................................................ 4
OPERATION WITH PORTABLE GENERATOR .......... 5
PREVENTATIVE MAINTENANCE SCHEDULE .......... 5
TROUBLESHOOTING ................................................. 6
SERVICE PROCEDURES ........................................... 7
WIRING DIAGRAM .................................................... 11
SPECIFICATIONS ..................................................... 11
STORING, TRANSPORTING, OR SHIPPING ........... 11
ILLUSTRATED PARTS BREAKDOWN ..................... 12
PARTS LIST ............................................................... 13
REPLACEMENT PARTS ........................................... 15
TECHNICAL SERVICE .............................................. 15
ACCESSORIES ......................................................... 15
WARRANTY AND REPAIR SERVICE ....................... 16