Procom MN300HGA Owner'S Operation And Installation Manual Download Page 15

      1 5

TROUBLESHOOTING

Continued

OBSERVED  PROBLEM

B u r n e r ( s ) d o e s   n o t   l i g h t   a f t e r
ODS/pilot   is  lit.

Delayed   ignition  of  burner(s).

Burner  backfiring  during  combustion.

Yellow  flame  during  burner
combustion.

Slight   smoke   or   odor   during
initial   operation.

Heater   produces   a  whistling   noise
when  burner  is  lit.

Heater   produces   a  clicking/ticking
noise  just  after  burner  is  lit  or
shut  off.

White  powder residue forming  within
burner  box  or  on  adjacent
walls  or   furniture.

POSSIBLE CAUSE

1.    Burner orifice is clogged.

2.    Burner  orifice  diameter  is too small.
3.    Inlet  gas  pressure  is  too  low.

1.   Manifold  pressure  is  too  low.
2.   Burner orifice is clogged.

1.  Burner   orifice   is  clogged   or
      damaged.

2.   Burner  is damaged.
3.   Gas  regulator  is defective.

1.   Not  enough  air.

2.   Gas  regulator  defective.
3.   Inlet  gas  pressure  is  too  low .

1.   Residues  from  manufacturing
       processes
.
1.   Turning  control  knob  to  HI position
      when  burner  is  cold.
2.   Air  in  gas  line.

3.   Air passageways on heater are
       blocked.
4.   Dirty  or  partially  clogged  burner
      orifice.

1.   Metal  is expanding  while  heating
      or contracting  while  cooling.

1.   When    heated    the   vapors    from
    furniture  polish,  wax,  carpet
      cleaners,     etc.   turn   into   white
       powder  residue.

REMEDY

1.  Clean burner  orifice (see Cleaning
    and  Maintenance,  Page 13)  or
      replace burner orifice.
2.   Replace burner orifice.
3.   Contact  local  natural gas company.

1.   Contact   local  natural gas company.
2.  Clean  burner (see Cleaning  and
      Maintenance
,  Page 13)  or replace
      burner  orifice.

1.   Clean  burner  orifice  (see  Cleaning
    and   Maintenance,  Page 13) or
      replace.
2.   Replace  burner.
3.   Replace  gas  regulator.

1.  Check  burner  for  dirt  and  debris.
      If  found, clean  burner(see  Cleaning
      And  Maintenance, Page 13).
2.   Replace  gas  regulator.
3.   Contact  local  natural  gas  company.

1.   Problem  will stop after a few hours
      of operation.

1.   Turn  control  knob  to  LO  position
      and  let  warm  up  for  a  minute.
2.   Operate  burner  until air  is removed
      from  line.  Have  gas  line  checked
      by  local  natural  gas  company.
3.   Observe       minimum     installation
      clearances (see Figure 4, page 7).
4.  Clean burner (see Cleaning and
      Maintenance
,  Page 13)  or  replace
      burner  orifice.

1. This   is   common  with  most
      heaters.   if   noise    is    excessive,
      contact  qualified  service  person.

1.  Turn   heater   off   when   using
     furniture   polish,   wax,   carpet
      cleaner, or  similar  products.

www.PartsFor.com   1-800-446-1446

For replacement parts contact:

1-866-607-2787

Summary of Contents for MN300HGA

Page 1: ...y a qualified installer service agency or gas supplier Important Safety Information 2 Fresh Air for Combustion and Ventilation 4 Installation 8 Operating Your Heater 11 Cleaning Maintenance 13 Trouble...

Page 2: ...ner or similar products If heated the vapors from these products may create a white powder residue within burner box or on adjacent walls or furniture 9 Do not use heater if any part has been under wa...

Page 3: ...otective packaging applied to heater for shipment 3 Check heater for any shipping damage If heater is damaged promptly inform dealer where you bought heater Figure1 Vent Free Natural Gas Heater Model...

Page 4: ...s described in the National Fuel Gas Code ANS Z223 1 Section 5 3 or applicable local codes Unusually Tight Construction The air that leaks around doors and windows may provide enough fresh air for com...

Page 5: ...free heater Btu Hr Gas water heater Btu Hr Gas furnace Btu Hr Vented gas heater Btu Hr Gas Fireplace logs Btu Hr Other gas appliances Btu Hr Total Btu Hr Do not include direct vent gas appliances Dir...

Page 6: ...sediment trap tee joint pipe wrench A CSA AGA design certified equip ment shutoff valve with 1 8 NPT tap is an acceptable alternative to test gauge connection Purchase the optional CSA AGA design cer...

Page 7: ...Remove two screws near bottom corners of lower front panel 2 Pull bottom of lower front panel forward then down see Figure 7 Methods For Attaching Mounting Bracket To Wall Only use last hole on each e...

Page 8: ...anchors 7 Tighten screws until mounting bracket is firmly fastened to wall Placing Heater on Mounting Bracket 1 Locate two horizontal slots on back panel of heater see Figure 11 2 Place heater onto m...

Page 9: ...p stream from heater see Figure 13 A CSA AGA design certified equipment shutoff valve with 1 8 NPT tap is an acceptable alternative to test gauge connection Purchase the optional CSA AGA design certif...

Page 10: ...Check all joints from equipment shutoff valve to control valve see Figure 15 Apply mixture of liquid soap and water to gas joints Bubbles forming show a leak 5 Correct all leaks at once 6 Light heate...

Page 11: ...o desired heating Level The main burner should light Set control knob to any heat level between HI and LO THERMOSTAT CONTROL OPERATION This increases or decreases the burner flame height At times the...

Page 12: ...s Then smell for gas including near the floor If you smell gas STOP Follow B in the safety information on the side of heater If you don t smell gas g o t o t h e n e x t s t e p 5 Push in and turn con...

Page 13: ...me comes out of the pilot assembly see Figure 24 With the unit off lightly blow air through the air inlet hole You may blow through a drinking straw if compressed air is not available Figure 24 Pilot...

Page 14: ...rmocouple connection is loose at control valve 5 Pilot flame is not touching thermo couple This allows thermocouple to cool causing pilot flame to go out This problem could be caused by one or both of...

Page 15: ...ooling 1 When heated the vapors from furniture polish wax carpet cleaners etc turn into white powder residue REMEDY 1 Clean burner orifice see Cleaning and Maintenance Page 13 or replace burner orific...

Page 16: ...ors from paint hair spray glues etc See IMPORTANT statement above 2 Gas leak See Warning Statement at top of page 1 Not enough fresh air is available 2 Low line pressure 3 ODS pilot is partially clogg...

Page 17: ...your name your address model and serial numbers of your heater how heater was malfunctioning type of gas used propane LP or natural gas purchase date Warranty Card Usually we will ask you to return th...

Page 18: ...1 8 ILLUSTRATED PARTS BREAKDOWN MN300TGA ODS Pilot Assembly www PartsFor com 1 800 446 1446 For replacement parts contact 1 866 607 2787...

Page 19: ...S AVAILABLE NOT SHOWN DESCRIPTION Cabinet Assembly Lower Front Panel Assembly Reflector Unit Steel Wind Shield Middle Panel Grill Guard Assembly Self Tapping Screw Thermostat Valve Assembly Screws The...

Page 20: ...2 0 ILLUSTRATED PARTS BREAKDOWN MN300HGA ODS Pllot Assembly www PartsFor com 1 800 446 1446 For replacement parts contact 1 866 607 2787...

Page 21: ...Cabinet Assembly Lower Front Panel Assembly Reflector Unit Steel Wind Shield Grill Guard Assembly Middle Panel Ignitor Assembly Self Tapping Screw Control Valve Ignitor Line Control Knob Control Valv...

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