Enerco HSU 75 User Manual

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enerco | Compact Unit Heater
operating Instructions and owner’s Manual
wARNINg:
USe oNlY MANUFACTUReR’S RePlACeMeNT PARTS. USe oF ANY oTHeR PARTS 
CoUlD CAUSe INJURY oR DeATH. RePlACeMeNT PARTS ARe oNlY AVAIlABle 
DIReCT FRoM THe FACToRY AND MUST Be INSTAlleD BY A QUAlIFIeD SeRVICe 
AGeNCY. 
pARTS ORDERINg INFORMATION:
pURCHASINg: Accessories may be purchased at any Mr. Heater local dealer or direct 
from the factory 
FOR INFORMATION REgARDINg SERVICE
Please call Toll-Free 800-251-0001 • www.mrheater.com • www.enerco.com
Our office hours are 8:30 AM – 5:00 PM, EST, Monday through Friday.
Please include the model number, date of purchase, and description of problem in all 
communication.
LIMITED wARRANTY 
The company warrants this product to be free from imperfections in material or workmanship, 
under normal and proper use in accordance with instructions of The Company, for a period of 
three years on parts (limited) and 10 years on the heat exchanger, from the date of delivery to 
the buyer. The Company, at its option, will repair or replace products returned by the buyer to 
the factory, transportation prepaid within said one year period and found by the Company to 
have imperfections in material or workmanship. 
If a part is damaged or missing, call our Technical Support Department at 800-251-0001. 
Address any Warranty Claims to the Service Department, enerco Group, Inc., 4560 W. 160TH 
ST., CleVelAND, oHIo 44135. Include your name, address and telephone number and include 
details concerning the claim. Also, supply us with the purchase date and the name and address 
of the dealer from whom you purchased our product. 
The foregoing is the full extent of the responsibility of the Company. There are no other 
warranties, express or implied. Specifically there is no warranty of fitness for a particular purpose 
and there is no warranty of merchantability. In no event shall the Company be liable for delay 
caused by imperfections, for consequential damages, or for any charges of the expense of 
any nature incurred without its written consent. The cost of repair or replacement shall be the 
exclusive remedy for any breach of warranty. There is no warranty against infringement of the 
like and no implied warranty arising from course of dealing or usage of trade. This warranty 
will not apply to any product which has been repaired or altered outside of the factory in any 
respect which in our judgment affects its condition or operation. 
Some states do not allow the exclusion or limitation of incidental or consequential damages, so 
the above limitation or exclusion may not apply to you. This Warranty gives you specific legal 
rights, and you may have other rights which vary from state to state.
ENERCO GROUP, INC., 4560 W. 160TH ST., CLEVELAND, OHIO 44135 • 216-916-3000
Mr. Heater is a registered trademarks of enerco Group, Inc.
© 2003, Enerco/Mr. Heater. All rights reserved
ANS Z83.8-(2006) 
  CSA 2.6-(2006)
UNIT HeATeR
CSA .10.96 U.S. (2ND ED.)
UNIT HeATeR FoR ReSIDeNTIAl INSTAllATIoN
CATeGoRY/CATeoRIe I
enerco Group, Inc. reserves the right to make changes at any time, without notice or 
obligation, in colors, specifications, accessories, materials and models.
®
®
READ INSTRUCTIONS CAREFULLY: Read and 
follow all instructions. Place instructions in a 
safe place for future reference. Do not allow 
anyone who has not read these instructions to 
assemble, light, adjust or operate the heater.
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OpERATINg INSTRUCTIONS AND OwNER’S MANUAL
MR. HEATER
HEATSTAR
MHU 45
MHU 75
HSU 45
HSU 75