Mr. Heater HST45 Operating Instructions And Owner'S Manual Download Page 8

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

Operating Instructions and Owner’s Manual

Section 3   INSTALLATION

 

WARNING

  Several steps are involved in the installation of the heater. 

DO NOT attempt to operate the heater until ALL steps of 
the installation have been accomplished. Failure to follow 
this warning will cause death, injury or property damage.

 

ATTENTION

  Plusieur étapes sont impliquées dans l’installation de 

l’appareil de chauffrage. PAS la tentative pour opérer 
l’appareil chauffrage jusqu’à ce que TOUTES étapes de 
l’installation ont été accomplies. L’echec pour suivre cet 
avertissement causera la mort, les dommages de blessure 
ou propriété.

Safety Equipment

Use of the following safety equipment is recommended for 
installation of the MHT tube heater:

 

 Work gloves

 

 Safety glasses

Installation Tools

Tools required for the installation of the MHT tube heater include at 
a minimum the following: 

 

 Tape measure    

 

 Electric drill (with an assortment of drill bits)

 

 Pipe wrenches – 2 required

 

 Screwdriver

 

 Tin snips   

 

 Hacksaw   

 

 Wire strippers   

 

 Staple gun   

 

 Level    

 

 Pliers

Installation Materials

Materials required for the installation of theMHT tube heater include 
at a minimum the following:

 High temperature silicone sealant

 Suspension hooks (capable of supporting 150 pounds  

 

each)

 Sheetmetal screws

The following items may be required for your particular installation:

 Plastic drain hose       

 Additional vent pipe    

 Roof flashing    

 Rain collar

 Chain – 2/0, or equivalent    

 S-hooks (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 

requirement of 7 feet above the floor. For aircraft hangars and 

public garages, the heater must meet the minimum mounting 

height requirement of 8 feet above the floor.

2.   The proposed mounting location allows for the minimum 

required safe distances from combustibles (combustibles include 
vehicles, wood gasoline and flammable objects, liquids and 

vapors)

3.  The proposed mounting location of the heater will not restrict 

motion of passageway doors or windows.

4.   The proposed location will not interfere with operation of the 

overhead garage door.

5.   The proposed location will provide the best coverage of the 

total area to be heated.

6.  The proposed location must provide for adequate combustion 

and ventilation air.

7.  The proposed location must provide for adequate accessibility 

clearance for service and proper operation.

8.   Consideration be given to the types of vehicles that will be 

parked in the garage (cars, vans, boats, RV’s etc.).

9.   The proposed location will allow for the minimum required safe 

distances from combustibles with respect to the vehicles parked 

in the garage.

10.   The proposed location will allow the required utilities (i.e.: gas 

and electric) and venting to be installed (maximum vent length 
is 25 feet).

11.   Sufficient clearances will exist to allow for maintenance.
12.   Overhead structural members (rafters, beams, etc.) are 

accessible for attaching the heater.

13.  Location must allow for adequate clearance around air openings 

into the combustion chamber.

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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