MrHeater MHVFDF10BF Operating Instructions And Owner'S Manual Download Page 6

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Installation Instructions and Owner’s Manual

Universal Unvented Room Heater

THIS INSTALLATION REQUIRES:

Before installing heater, make sure you have the items listed 
below:

• 

Piping (check local codes)

• 

Sealant (resistant to Natural and Propane/LP gases

• 

Equipment shutoff valve*

• 

Ground joint union

• 

Test gauge connection*

• 

Sediment trap

• 

Tee joint

• 

Pipe wrench

*A  CSA/AGA  certified  equipment  shutoff  valve  with  1/8” 

NPT tap is an acceptable alternative to test gauge connection. 
Purchase a CSA/AGA certified equipment shutoff valve from 
your dealer. 

LOCATING HEATER

This heater is designed to be mounted on the wall. The 

heater can also be located on a non-combustible floor, 

away from a wall by using the floor mounting stands 
included with the heater. If installed on combustible 
flooring such as carpeting, tile or other combustible 
material other than wood flooring, the heater must be 
placed on a wood panel the full width and depth of the 
appliance. 

Left 
Side

Right 
Side

36”(915cm)

min from ceiling

10”(254cm) 

from sides

3” min. to top surface of carpet, tile or 

other combustible material

Floor

Figure 4

For convenience and efficiency, install the heater:

• 

Where there is easy access for operation, inspection, 
and service.

• 

In the coldest part of the room.

CAUTION: If you install the heater in a home garage:

• Heater pilot and burner must be at least 18 inches 

above  floor . 

• 

Locate heater where moving vehicle will not hit it. 

CAUTION: This heater creates warm air currents. These 
currents move heat to wall surfaces next to heater. Installing 
heater next to vinyl or cloth wall covering or operating heater 

where impurities (such as tobacco smoke, aromatic candles, 
cleaning fluids, oil or kerosene lamps, etc.) are present in 
the air may discolor walls. 

WARNING: Never install the heater: 

• 

In a recreational vehicle .

• 

Where curtains, furniture, clothing, or other 
flammable objects are less than 36 inches from the 
front, top, or sides of the heater. 

• 

As a fireplace insert 

• In high-traffic areas 
• 

In windy or drafty areas 

WARNING: Heater must be mounted to maintain the 

minimum clearances shown in Figure 4. If possible, 
provide greater clearances from the floor, ceiling, and 
joining walls. 

FASTENING HEATER TO WALL
Mounting Bracket

The mounting bracket in located on the back panel of 
heater (see figure 5). It has been taped there for shipping. 
Remove mounting bracket from back panel.

Mounting 
Bracket

Figure 5

Removing Front Panel of Heater 

1.  Remove (4) screws total there are (2) screws on 

either side of the heater. (Figure 6)

2.  Pull the front panel and back panel apart.

(2) Screws

(2) Screws

Figure 6

Attaching Mounting Bracket to Wall

Use holes on each end of mounting bracket to attach 
bracket to wall. These holes are 16 inches apart. Attach 
mounting bracket to wall in one of two following ways.

1.  Attach to wall studs

2.  Attach to wall anchor

Attaching to Wall Stud:

This way is the best providing the strongest mounting in 
wood frame houses. 

Summary of Contents for MHVFDF10BF

Page 1: ...the gas supplier s instructions If you cannot reach your gas supplier call the fire department Installation and service must be performed by a qualified installer service agency or the gas supplier T...

Page 2: ...including benzene which is known to the state of California to cause cancer and cause birth defects or other reproductive harm for more information go to www P65Warnings ca gov Due to high temperature...

Page 3: ...servicing Only a qualified service person should service and repair heater 6 Do not run heater Where flammable liquids or vapors are used or stored During dusty conditions 7 Before using furniture po...

Page 4: ...s Code or applicable local codes 3 Add the Btu hr of all the fuel burning appliances in the space such as Vent free heater Gas water heater Gas furnace Vented gas heater Gas fireplace logs and Other g...

Page 5: ...ion and Ventilation for required size of ventilation grills or ducts WARNING Rework worksheet adding the space of the adjoining unconfined space The combined space must have enough fresh air to supply...

Page 6: ...floor Locate heater where moving vehicle will not hit it CAUTION This heater creates warm air currents These currents move heat to wall surfaces next to heater Installing heater next to vinyl or cloth...

Page 7: ...using 5 16 drill bit For solid walls concrete or masonry drill at least 1 deep 2 Fold wall anchor as shown in figure 8 below 3 Insert wall anchor wings first into hole Tap anchor flush to wall 4 For t...

Page 8: ...ust connect heater to gas supply Follow all local codes WARNING This appliance requires a 3 8 NPT National Pipe Thread inlet connection to the pressure regulator Use of floor mounting feet will requir...

Page 9: ...opane LP supply valve 3 Check all joints from the propane LP supply valve to equipment shutoff valve see figure 14 Apply mixture of liquid soap and water to gas joints Bubbles forming show a leak 4 Co...

Page 10: ...supplier for repairs Until repairs are made light pilot with match 7 Keep control knob pressed in for 30 seconds after lighting pilot After 30 seconds release control knob If pilot does not stay lit r...

Page 11: ...he can you could damage the burner or pilot assembly In addition the directions below should also be followed 1 Shut off the unit including the pilot Allow the unit to cool for at least thirty minutes...

Page 12: ...ose at control valve Hand tighten thermocouple nut until snug and then tighten 1 4 turn more Pilot flame not touching thermocouple which allows thermocouple to cool causing pilot flame to go out This...

Page 13: ...clearances see Figure 4 page 6 Dirty or partially clogged burner orifice Clean burner orifice see Cleaning and Maintenance on page 1 1 or replace burner orifice White powder residue forming within bu...

Page 14: ...e purchased at any Mr Heater Products local dealer or direct from the factory FOR INFORMATION REGARDING SERVICE Please call Toll Free 866 447 2194 WWW HEATSTARBYENERCO COM Our office hours are 8 00 AM...

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