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7

Installation Instructions and Owner’s Manual

Unvented Natural Gas Fired Room Heater

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. 

Attaching to Wall Anchor: 

This way allows you to attach mounting bracket to hollow 

walls (wall areas between studs) or to solid walls (concrete 
or masonry).

Decide which way best suits your needs. Either method will 
provide a secure hold for the mounting bracket.

1.  Tape mounting bracket to wall where heater will 

be located. Make sure mounting bracket is level. 
For wall stud mounting locate one end of the 
mounting bracket over a wall stud.

WARNING:

 Maintain minimum clearances shown in fig

-

ure 7. If you can, provide greater clearances from the floor 
and joining wall. 

2.  Mark screw locations on wall (see figure 7).

3.  Remove tape and mount bracket from wall.

A

djoining W

all

18” Min.

See clearance 
specs on Pg 3

16” (Lg)
12-9/64” (Sm)

Mark mounting hole locations 
and drill holes where indicated. 
Allow for minimum clearances

Figure 7

Attaching to Wall Stud:

For attaching mounting bracket to wall studs

1.  Drill holes at marked locations using 9/64” drill bit.
2.  Place mounting bracket onto wall. Line up holes on 

each end of bracket with hole drilled in wall.

3.  Insert mounting screws through bracket and into 

wall studs.

4.  Tighten screws until mounting bracket is firmly 

fastened to wall studs.

Attaching to Wall using Anchor:

For attaching mounting bracket to hollow walls (wall areas 

between studs) or solid walls (concrete or masonry)

Note: Wall anchors, mounting screws, and spacer are in 
hardware package. The hardware package is provided 

with heater. 

1.  Drill holes at marked locations 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.

Figure 8.

3.  Insert wall anchor (wings first) into hole. Tap 

anchor flush to wall.

4.  For thin walls (1/2” or less) insert red key into wall 

anchor. 

5.  Place mounting bracket onto wall. Line up holes on 

each end of bracket with wall anchors.

6.  Insert mounting screws through bracket and into 

wall anchors.

7.  Tighten screws until mounting bracket is firmly 

fastened to wall.

Placing Heater on Mounting Bracket

1.  Locate two horizontal slots on back pane of heater 

(see figure 9).

2.  Place heater onto mounting bracket. Slide 

horizontal slots onto stand-out tabs on mounting 

bracket.

Horizontal Slots

Mounting Bracket 
mounted to wall

Figure 9

Installing Bottom Mounting Screws

1.  Locate two bottom mounting holes. These holes 

are near bottom on back panel of heater (see 

figure 10).

Screw  
hole

Screw  
hole

Figure 10

 

2.  Mark screws locations on wall.

3.  Remove heater from mounting bracket.
4.  If installing bottom mounting screw into hollow 

or solid wall, install wall anchors. Follow steps 1 

Содержание MHVFB10NG

Страница 1: ...Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance WHAT TO DO IF YOU SMELL GAS Do not try to light any appliance Do not touch any electr...

Страница 2: ...d of high surface temperature and should stay away to avoid burns or clothing ignition Young children should be carefully supervised when they are in the same room with heater A barrier designed to re...

Страница 3: ...ou provide fresh outside air If heater keeps shutting off it requires servicing 5 Turn off and let cool before servicing Only a qualified service person should service and repair heater 6 Do not run h...

Страница 4: ...l Fuel Gas Code or applicable local codes 3 Add the Btu hr of all the fuel burning appliances in the SAFETY DEVICE This heater has a pilot with an Oxygen Depletion Sensor ODS safety shut off system Th...

Страница 5: ...Code NFPA 54 ANSI Z223 1 Section 5 3 Air for Combustion and Ventilation for required size of ventilation grills or ducts WARNING Rework worksheet adding the space of the adjoining unconfined space The...

Страница 6: ...e 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...

Страница 7: ...acket onto wall Line up holes on each end of bracket with hole drilled in wall 3 Insert mounting screws through bracket and into wall studs 4 Tighten screws until mounting bracket is firmly fastened t...

Страница 8: ...n to the pressure regulator Use of floor mounting feet will require you to use a 3 8 NPT street elbow to make gas connection CAUTION Never connect heater to private non utility gas well This gas is co...

Страница 9: ...gas meter 4 Check all connections and joints in gas supply piping system Apply mixture of liquid soap and water to gas joints Bubbles forming show a leak 5 Correct all leaks at once 6 Depressurize an...

Страница 10: ...rol know slightly and turn counterclockwise to PILOT IGN and depress for five 5 seconds Note The first time that the heater is operated after connecting the gas supply the control knob should be depre...

Страница 11: ...to keep the primary air opening s of the burner s clean may result in sooting and property damage CLEANING ODS PILOT AND BURNER Use as vacuum cleaner pressurized air or small soft bristled brush to cl...

Страница 12: ...hutoff valve not fully open Fully open equipment shutoff valve Thermocouple connection loose at control valve Hand tighten thermocouple nut until snug and then tighten 1 4 turn more Pilot flame not to...

Страница 13: ...sing odor causing products while heater is running Gas leak See WARNING statement at top of page 12 Locate and correct all leaks see Checking Gas Connections page 9 Heater shuts off in use ODS operate...

Страница 14: ...1 9 80084 Regulator 1 10 80055 Regulator Mounting Bracket 1 ITEM P N PART DESCRIPTION QTY 1 1 80058 Floor Moutning Feet 1 12 NA Regulator Connection 1 13 80052 Back Panel 1 14 80036 Wall Mounting Bra...

Страница 15: ...55 Regulator Mounting Bracket 1 8 80058 Floor Mounting Feet 1 9 NA Regulator Connection 1 10 80036 Wall Mounting Bracket 1 ITEM P N PART DESCRIPTION QTY 1 1 80052 Back Panel 1 12 80005 Valve Bracket 1...

Страница 16: ...Y A QUALIFIED SERVICE AGENCY REPLACEMENT PARTS ORDERING INFORMATION PURCHASING Accessories may be purchased at any Mr Heater local dealer or direct from the factory FOR INFORMATION REGARDING SERVICE P...

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