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119345-01A

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TROUBLESHOOTING

Continued

OBSERvED PROBLEM

Yellow  flame  during  burner 
combustion

Slight  smoke  or  odor  during 

initial operation

Heater  produces  a  whistling 
noise when burner is lit

White powder residue forming 
within burner box or on adja

-

cent walls or furniture

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

POSSIBLE CAUSE

1. Not enough air

2. Gas regulator defective
3. Clogged or dirty burner

1. Residues from manufactur

-

ing processes

1. Turning  control  knob  to  5 

position  when  burner  is 

cold

2. Air in gas line

3. Air passageways on heater 

blocked

4. Dirty  or  partially  clogged 

burner orifice

1. When heated, vapors from 

furniture polish, wax, carpet 
cleaners, etc. may turn into 
white powder residue

1. Metal expanding while heat

-

ing  or  contracting  while 

cooling

REMEDY

1. Check  burner  for  dirt  and 

debris.  If  found,  clean 
burner  (see 

Cleaning  and 

Maintenance

, page 17)

2. Replace gas regulator
3. Clean burner (see 

Cleaning 

and Maintenance

, page 17)

1. Problem will stop after a few 

hours of operation

1. Turn control knob to 1 posi

-

tion and let warm up for a 
minute

2. Operate  burner  until  air  is 

removed  from  line.  Have 
gas  line  checked  by  local 
natural or propane/LP gas 

company

3. Observe  minimum  installa

-

tion clearances (see Figure 
4, page 8)

4. Clean burner (see 

Cleaning 

and Maintenance

, page 17) 

or replace burner orifice

1. Turn  heater  off  when  us

-

ing  furniture  polish,  wax, 

carpet  cleaners  or  similar 

products

1. This  is  normal  with  most 

heaters. If noise is exces

-

sive, contact qualified ser

-

vice person

Summary of Contents for GN30A

Page 1: ...oline 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 electrical switch do not use a...

Page 2: ...er or birth defects or other reproductive harm IMPORTANT Read this owner s manualcarefullyandcompletely before trying to assemble operate or service this heater Improper use of this heater can cause s...

Page 3: ...th other gases 2 Do not place propane LP supply tank s inside any structure Locate propane LP supply tank s outdoors 3 This heater shall not be installed in a bedroom or bathroom 4 If you smell gas sh...

Page 4: ...f the unit Vent free gas products are prohibited for bedroom and bathroom installation in the Commonwealth of Massachusetts Unpacking 1 Remove heater from carton 2 Remove all protective packaging appl...

Page 5: ...The air that leaks around doors and windows may provide enough fresh air for combustion and ventilation However in buildings of un usually tight construction you must provide additional fresh air Unus...

Page 6: ...liances Direct vent draws combustion air from the outdoors and vents to the outdoors Example Gas water heater _____________Btu Hr Vent free heater ____________Btu Hr Total ____________Btu Hr 40 000 30...

Page 7: ...lheatingsystem youmay run system s circulating blower whileusingheater Thiswillhelp circulatetheheatthroughoutthe house In the event of a power outage you can use this heater as your primary heat sour...

Page 8: ...raffic areas in windy or drafty areas Figure 4 Mounting Clearances As Viewed From Front of Heater INSTALLATION Continued CAUTION This heater cre ates warm air currents These currents move heat to wall...

Page 9: ...front panel forward then out 3 Remove any remaining packaging ma terials Methods For Attaching Mounting Bracket To Wall Only use last hole on each end of mounting bracket to attach bracket to wall The...

Page 10: ...attaching mounting bracket to hollow walls wall areas between studs or solid walls concrete or masonry 1 Drill holes at marked locations using 5 16 drill bit For solid walls concrete or masonry drill...

Page 11: ...nd checking for leaks see pages 11 through 13 INSTALLATION Continued CONNECTING TO GAS SUPPLY WARNING This appliance requires a 3 8 NPT National Pipe Thread inlet connection to the pressure regulator...

Page 12: ...Vent Pointing Down External Regulator Propane LP Supply Tank Vent Pointing Down CAUTION Use only new black iron or steel pipe Inter nally tinned copper tubing may be used in certain areas Check your l...

Page 13: ...ize supply piping system by either opening propane LP supply tank valve for propane LP gas or opening main gas valve located on or near gas meter for natural gas or using compressed air Figure 15 Equi...

Page 14: ...result causing property damage per sonal injury or loss of life A This appliance has a pilot which must be lighted by hand When lighting the pi lot follow these instructions exactly B BEFORE LIGHTING...

Page 15: ...he thermostat adjusts the amount of gas flow to the burner This increases or decreases the burner flame height At times the room may exceed the set temperature If so the burner will shut off The burne...

Page 16: ...ilot flame pattern and burner flame pattern often PILOT FLAME PATTERN Figure 21 shows a correct pilot flame pattern Figure 22 shows an incorrect pilot flame pat tern The incorrect pilot flame is not t...

Page 17: ...recommend that you keep the burner tube and pilot assembly clean and free of dust and dirt To clean these parts we recommend using compressed air no greater than 30 PSI Your local computer store hardw...

Page 18: ...position 4 Air in gas lines when in stalled 5 Depleted gas supply pro pane LP gas only 6 ODS pilot is clogged 7 Gas regulator setting is not correct OBSERVED PROBLEM Whenignitorbuttonispressed there...

Page 19: ...ane LP gas company 1 Contact local natural or propane LP gas company 2 Clean burner see Cleaning and Maintenance page 17 or replace burner orifice 1 Clean burner see Cleaning and Maintenance page 17 o...

Page 20: ...s from furniture polish wax carpet cleaners etc may turn into white powder residue 1 Metal expanding while heat ing or contracting while cooling REMEDY 1 Check burner for dirt and debris If found clea...

Page 21: ...artially clogged 1 Gas leak See Warning statement above 2 Control valve defective 1 Foreign matter between control valve and burner 2 Gas leak See Warning statement above 1 Not enough combustion venti...

Page 22: ...SAHeating Products tech nical service web site at www desatech com Service Publications You can purchase a service manual from the address listed on the back page of this manual Send a check for 5 00...

Page 23: ...42 N County Rd 400 East Valparaiso IN 46383 9704 219 462 7441 1 888 619 7060 www portableheaterparts com sales portableheaterparts com techservice portableheaterparts com FBD 1349 Adams Street Bowling...

Page 24: ...www desatech com 119345 01A 24 Illustrated Parts Breakdown Models GN30A GP30A RG30NA and RG30PA 2 3 6 8 9 9 10 11 12 13 14 16 18 19 4 7 1 21 5 15 17 20...

Page 25: ...mbly 1 9 098271 09 Ignitor Cable 1 10 098249 01 Nut 2 11 110803 01 ODS Pilot Assembly 1 110803 02 ODS Pilot Assembly 1 12 103447 06 Burner 1 13 099387 05 Pilot Tubing 1 14 103845 07 Injector 1 103845...

Page 26: ...www desatech com 119345 01A 26 ILLUSTRATED PARTS BREAKDOWN Models GN30TA GP30TA RG30NTA and RG30PTA 2 3 8 9 10 10 11 12 13 14 16 18 19 4 7 1 15 17 6 5...

Page 27: ...7894 15 Deflector Assembly 1 9 098271 09 Ignitor Cable 1 10 098249 01 Nut 2 11 110803 01 ODS Pilot Assembly 1 110803 02 ODS Pilot Assembly 1 12 103447 06 Burner 1 13 099387 03 Pilot Tubing 1 14 103845...

Page 28: ...nd or DESA Heating Products who will provide original factory replacement parts Failure to use original factory replacement parts voids this warranty The heater MUST be installed by a qualified instal...

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