Procom MD300HGA Manual Download Page 1

CAUTION - FOR YOUR SAFETY

Vent-Free Gas Wall Heater 

Blue Flame

PC-ML062-03D-0904

Model #  MD300HGA

MD300TGA

 WARNING:

This appliance is 

equipped for (Natural and Propane) 

gas. Field conversion is not permitted 

other than between natural or 

propane gases.

  

WARNING: IF THE INFORMATION IN THIS MANUAL IS NOT FOLLOWED 

       EXACTLY, A FIRE OR EXPLOSION MAY RESULT CAUSING PROPERTY 

       DAMAGE, PERSONAL INJURY, OR LOSS OF LIFE.

--

    

Do not store or use gasoline or other flammable vapors and liquids in 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 electrical switch; do not use any phone in your building.

 

Immediately call your gas supplier from a neighbor’s phone. Follow 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.

This is an unvented gas-fired heater. It uses air (oxygen) from the room in which it is 

installed. Provisions for adequate combustion and ventilation air must be provided. 

Refer to 

Air For Combustion and Ventilation section

 on page 6 of this manual.

INSTALLER: DO NOT DISCARD THIS MANUAL – LEAVE FOR HOMEOWNER’S 

FUTURE REFERENCE.

This appliance may be installed in an aftermarket, permanently located manufactured 

(mobile) home, where not prohibited by local codes. This appliance is for use with 

the type of gas indicated on the rating plate only. This appliance is not convertible for 

use with other gases.

Questions about installation, operation, or troubleshooting? 

Before returning to your retailer, 

call customer service department toll-free at 

(877)886-5989.

Summary of Contents for MD300HGA

Page 1: ...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 This is an unvente...

Page 2: ...CATIONS table of contents MODEL md300hga md300tga Gas Type Natural Only Propane LP Only Natural Only Propane LP Only Input rating BTU Hr MAX 30 000 28 000 30 000 28 000 MIN 15 000 14 000 15 000 14 000...

Page 3: ...y are in the room with the heater WARNING Make sure grill guard is in place before running heater WARNING Keep the appliance area clear and free from combustible materials gasoline and other flam mabl...

Page 4: ...quipment or accessories and repair and equipment servicing The term qualified agency means any individual firm corporation or company that either in person or through a representative is engaged in an...

Page 5: ...s hose check local codes A CSA design certified equipment shutoff valve with 1 8 inch NPT tap is an acceptable alternative to test gauge connection Purchase the optional CSA design certified equipment...

Page 6: ...the aggregate input rating of all appliances installed in that space Rooms connecting directly with the space in which the appliances are installed through openings not furnished with doors are consid...

Page 7: ...can support with the actual amount of BTU hr used BTU hr maximum the space can support BTU hr actual amount of BTU hr used Example 51 200 BTU hr maximum the space can support 56 000 BTU hr actual amou...

Page 8: ...two permanent openings one within 12 inches of the ceiling and one within 12 inches of the floor on the wall connecting the two spaces see options 1 and 2 Figure 1 You can also remove the door into a...

Page 9: ...the front top or sides of the heater in high traffic areas in windy or drafty areas INSTALLATION CAUTION This heater creates warm air currents These currents move heat to wall surfaces next to heater...

Page 10: ...s between studs or to solid walls concrete or masonry 3 Decide which method better suits your needs Either method will provide a secure hold for the mounting bracket Marking Screw Locations 1 Tape mou...

Page 11: ...l Placing Heater On Mounting Bracket 1 Locate two horizontal slots on back panel of heater see Figure 9 2 Place heater onto mounting bracket Slide horizontal slots onto stand out tabs on mounting brac...

Page 12: ...ssure is higher heater regulator damage could occur pROPANE MODELS CAUTION Never connect heater directly to the gas supply This heater requires an external regulator not supplied Install the external...

Page 13: ...nd connecting to gas supply CAUTION To avoid gas leakage at the inlet of regulator a qualified installer or service technician must use steel or metal hex plug with sealant For changing from propane t...

Page 14: ...amage heater regulator 2 Cap off open end of gas pipe where equipment shutoff valve was connected 3 Pressurize supply piping system by either using compressed air or opening gas supply valve 4 Check a...

Page 15: ...pilot follow these instructions exactly BEFORE LIGHTING smell all around the appliance area for gas Be sure to smell next to the floor because some gas is heavier than air and will settle on the floor...

Page 16: ...18 If needed keep holding in ignitor button until pilot lights Note If pilot does not stay lit contact a qualified service person or gas supplier for repairs Until repairs are made light pilot with ma...

Page 17: ...f burner The pilot can be seen through the gill If needed keep pressing ignitor button until pilot lights Note If pilot does not stay lit refer to Troubleshooting pages 20 through 22 Also contact a qu...

Page 18: ...ould produce increased levels of carbon monoxide If burner flame pattern shows yellow tipping follow instructions at bottom of this page Notice Do not mistake orange flames with yellow tipping Dirt or...

Page 19: ...ore or home center may carry compressed air in a can You can use a vacuum cleaner in the blow position If using compressed air in a can please follow the directions on the can If you don t follow dire...

Page 20: ...lly press in control knob while pressing ignitor button 3 Continue holding down control knob Repeat igniting operation until air is removed 4 Clean ODS pilot see Care and Maintenance page 19 or replac...

Page 21: ...xpanding while heating or contracting while cooling 1 When heated the vapors from furniture polish wax carpet cleaners etc turn into white powder residue POSSIBLE CAUSE 1 Clean burner orifice see Care...

Page 22: ...nd Maintenance page 19 1 Locate and correct all leaks see Checking Gas Connections page 14 2 Contact customer service 1 Take apart gas tubing and remove foreign matter 2 Locate and correct all leaks s...

Page 23: ...23 23 ILLUSTRATED PARTS md300hga...

Page 24: ...14 Control Vale 1 13 MB40021D To ODS Line Assembly 1 14 MB40022D Lower Gas Outline Assembly 1 15 MB40023D Medium Gas Outline Assembly 1 16 MB40024D High Gas Outline Assembly 1 17 ML096 01 4 Way Connec...

Page 25: ...25 25 ILLUSTRATED PARTS md300tga...

Page 26: ...1 PF120820 Plug 1 11 MB40004D Main Inlet Tube Assembly 1 12 MB40014D Burner Inlet Tube Assembly 1 13 MB40024D To ODS Line Assembly 1 14 1 MB40021DN To ODS Line Assembly 1 14 2 MB40021DL To ODS Line As...

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