Mr. Heater HST45 Operating Instructions And Owner'S Manual Download Page 24

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Mr. Heater | Gas-Fired Low-Intensity Infrared 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.

FOR INFORMATION REGARDING SERVICE OR pARTS:

Contact your local heating service technician or dealer.

FOR ADDITIONAL INFORMATION:

Please call Toll-Free 800-251-0001—www.mrheater.com
Our office hours are 8:30 AM — 5:00 PM, EST, Monday through Friday.
Please have the model number, serial number and date of purchase ready.

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 one year 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 Customer Service Department at 800-251-0001. 

Address any Warranty Claims to the Customer Service Department, Mr. Heater, 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.

Mr. Heater Corporation, 4560 W. 160TH ST., CLEVELAND, OHIO 44135 • 216-916-3000
© 2003, Mr. Heater. All rights reserved

Mr. Heater reserves the right to make changes at any time, without notice or obli-
gation, in colors, specifications, accessories, materials and models.

CSA REQUIREMENT 7-89

ANSI Z21.86B 2002

ANS Z83.20 • CSA 2.34-2003

Model #

MHT 45

OpERATING INSTRUCTIONS 

AND OWNER’S MANUAL

Summary of Contents for HST45

Page 1: ...any electrical switch do not use any phone in your building supplier If you cannot reach your gas supplier call the Fire Department Gas Fired Low Intensity Infrared Heaters approved for residential Ga...

Page 2: ...Echec pour se conformer aux precautions et aux in structions a fourni avec cet appareil de chauffage avoir pour resultat la mort blessure et la perte de propriete ou les dommages physiques serieuses d...

Page 3: ...the transfer of body oils from the hands to the surface of the reflector Vent Kit F102840 1 2 3 x 2 Pipe 26GA 2 1 36 x 3 B Vent 3 1 Gas Vent Top 3 4 1 Adj Wall Thimble 5 1 Storm Collar 6 1 3 Elbow 7...

Page 4: ...t energy downward to the space to be heated Heat Exchanger A U shaped tube through which the heated products of combustion pass Rear Movable Hanger Provides support for the heat exchanger and reflecto...

Page 5: ...ectrical Rating 120VAC 60Hz single phase 1 amp Connection 3 pin molded plug Gas Inlet Connection Connection Male NPT Gas Inlet Pressure The minimum inlet gas supply pressure for the purpose of input a...

Page 6: ...nting requirements for the MHT tube heater Specifies the national standards and applicable codes that apply to the gas electric and venting requirements Specifies the national standards and applicable...

Page 7: ...above the floor Minimum required safe distances to combustibles must be maintained from vehicles parked below the heater When installed over hoists the minimum required safe distances to combustible...

Page 8: ...as required Choose Location for Heater When selecting a suitable mounting location for the MHT tube heater it is important to consider the following 1 The heater must meet the minimum mounting height...

Page 9: ...ontal venting sections must slope away from the heater at a rate of per foot 5 The total length of vent pipe horizontal and vertical runs combined plus the length of the exterior termination must not...

Page 10: ...nted through the roof be sure to carefully review the roof option installa tion portion of this section Ensure that the selected mounting site will satisfy the measurement param eters vent length not...

Page 11: ...he gaskets The tube ends extend through the flanges to help with alignment 3 Using the four long and four short nuts from the bolt kit 02876 secure the tube set to the burner box As shown in the diagr...

Page 12: ...current CSA B149 1 Natural Gas and Propane Installation Code 2 In accordance with the current ANSI Z223 1 NFPA 54 National Fuel Gas Code A vent shall not terminate directly above a sidewalk or paved d...

Page 13: ...ustible wall refer to the latest edition of the National Fuel Gas Code or the authority having jurisdiction In regions of the country where prevailing winds are consistently higher than 40 mph it may...

Page 14: ...is is to be constructed of galvanized sheet metal or other approved noncombustible corrosion resistant material as indicated by state and or local codes 2 For horizontal venting the vent lengths may b...

Page 15: ...ength should be shortened or insulated g For vent specifications all of the following conditions must be met The maximum equivalent length of vent pipe should be carefully observed A safety switch in...

Page 16: ...e area opening shall be provided below the heater for each 1 000 Btu hr of heater input When outside air is used the opening below the heater shall be one square inch of free area for each 4 000 Btu h...

Page 17: ...hown below To check system pressure a plugged 1 8 NPT tapping is required upstream of the manual gas shut off valve supplied with the heater Before connecting the heater to the supply system verify th...

Page 18: ...ns and burrs 3 Use LP resistant joint compound on all threads 4 Check the pipe and tube connections for leaks before placing heating equipment into service When checking for gas leaks use a soap and w...

Page 19: ...will then occur 8 Periodic visual check of burner flame while unit is in operation through sight glass in bottom of unit Section 6 MAINTENANCE Pre Season Maintenance Heater area to be kept clear and f...

Page 20: ...itch does not operate Igniter spark gap incorrect Try This Unplug heater power cord from the electrical outlet wait for a minimum of five seconds Plug heater cord back into outlet Unplug heater power...

Page 21: ...nlet pressure requirements contact the gas company Check for 24V across valve terminals Check Shutoff On Valve IF NO Check wiring between the ignition module and the valve Repair replace wires as requ...

Page 22: ...ters on the illustrations are keyed to the associated parts list I B A C J F H G D E ITEM PART NUMBER DESCRIPTION HST 35 HST 45 A 02808 Spark Electrode 1 1 B 02837 Ignition Wire 1 1 05795 Orifice MHT...

Page 23: ...CHASE REF ITEM DESCRIPTION A F202850 MHT 45NG Burner Box for F208850 F202851 MHT 45LP Burner Box for F202851 B F106250 MHT45 Tube Set Long C 06014 Hanger D 06016 Hanger Clamp E 06008 9 MHT 45 Reflecto...

Page 24: ...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 a...

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