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8

Installation Instructions and Owner’s Manual

Unvented LP-Gas Vent Free Heaters

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 fi gure 8 below.

Figure 8.

3.  Insert wall anchor (wings fi rst) into hole. Tap 

anchor fl ush 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 fi rmly 

fastened to wall.

Placing Heater on Mounting Bracket

1.  Locate two horizontal slots on back pane of 

heater (see fi gure 9).

2.  Place heater onto mounting bracket. Slide hori-

zontal slots onto stand-out tabs on mounting 
bracket.

Figure 9. 

Installing Bottom Mounting Screws

1.  Locate two bottom mounting holes. These 

holes are near bottom on back panel of heater 
(see fi gure 10).

Figure 10

2.  Mark screws locations on wall.

3.  Remove heater from mounting bracket.

Horizontal Slots

Mounting Bracket 
mounted to wall

4.  If installing bottom mounting screw into hollow 

or solid wall, install wall anchors. Follow steps 1 
through 4 under Attaching to Wall using Anchor. 
If installing bottom mounting screw into wall 
stud, drill holes at marked locations using 9/64” 
drill bit.

5.  Re-place heater onto mounting bracket.

6.  Place spacers between bottom mounting holes 

and wall anchor or drilled hole.

7.  Hold spacer in place with one hand. With the 

other hand, insert mounting screw through 
bottom mounting hole and spacer. Place tip of 
screw in opening of wall anchor or drilled hole.

8.  Tighten both screws until heater is fi rmly se-

cured to wall. Do not over tighten.

Note: Do not re-place front panel at this time. Re-
place front panel after making gas connections and 
checking for leaks.

Screw 
hole

Screw 
hole

Содержание MHVFG30TB LP

Страница 1: ...rovisions for adequate combustion and ventilation air must be provided Refer to Fresh Air for Combustion and Ventilation section on page 4 of this manual WARNING Improper installation adjustment alter...

Страница 2: ...to avoid burns or clothing igni tion Heater will remain hot for a time after shutdown Allow heater surfaces to cool before handling Young children should be carefully supervised when they are in the...

Страница 3: ...eds outside ventilation air to run properly The Oxygen Depletion Sensor ODS safety shutoff system shuts down the heater if not enough fresh air is available See Fresh Air for Combustion and Ventilatio...

Страница 4: ...excerpts from National Fuel Gas Code NFPA 54 ANSI Z223 1 Section 5 3 Air for Com bustion and Ventilation All spaces in homes fall into one of the three following ventilation classifications 1 Unusuall...

Страница 5: ...t Free Heater 20 000 Btu hr Total 60 000 Btu hr 4 Compare the maximum Btu hr the space can support with the actual amount of Btu hr used Example 51 800 Btu hr maximum Btu hr the space can support 60 0...

Страница 6: ...enough fresh air to supply all ap pliance in both spaces Ventilation from Outdoors If necessary provide extra fresh air by using ventila tion grills or ducts Connect these items directly to the outdo...

Страница 7: ...ill 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 figure 7 If you can provi...

Страница 8: ...tom Mounting Screws 1 Locate two bottom mounting holes These holes are near bottom on back panel of heater see figure 10 Figure 10 2 Mark screws locations on wall 3 Remove heater from mounting bracket...

Страница 9: ...n Equipment Shutoff Valve From regulated LP tank 11 W C to 14 W C Pressure Tee Joint 1 8 NPT Plug Tap Cap Pipe Nipple Tee Joint 3 8 NPT Pipe Nipple Sediment Trap Test Gauge Connection Reducer Bushing...

Страница 10: ...DO IF YOU SMELL GAS Do not try to light any appliance Do not touch any electrical switch do not use any phone in your building Immediately call your gas supplier from a neighbor s phone Follow the ga...

Страница 11: ...ding material pet hair etc Make sure grille guard is in place before running heater If screen or grille guard is removed for servicing it must be replaced prior to operating the heater push in or turn...

Страница 12: ...ODS PILOT AND BURNER Use as vacuum cleaner pressurized air or small soft bristled brush to clean CLEANING BURNER PILOT AIR HOLE INLET We recommend that you clean the unit ever 2 500 hours of operatio...

Страница 13: ...ulator 6 Turn Control knob to pilot position When ignitor button is pressed in there is a spark at the ODS pilot but no ignition 1 Control knob not fully pressed in 2 Control knob not pressed in long...

Страница 14: ...Figure 4 page 7 4 Clean burner orifice see Cleaning and Maintenance on pages 11 and 12 or replace burner orifice White powder residue forming within burner box or on adjacent walls or furni ture 1 Wh...

Страница 15: ...15 Installation Instructions and Owner s Manual Unvented LP Gas Vent Free Heaters MHVFG30LP...

Страница 16: ...any Mr Heater local dealer or direct from the factory FOR INFORMATION REGARDING SERVICE Please call Toll Free 800 251 0001 www mrheater com Our office hours are 8 00 AM 5 00 PM EST Monday through Frid...

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