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123551-01D

23

TROUBLESHOOTING

Continued

OBSERVED PROBLEM

ODS/pilot  lights  but  flame 
goes  out  when  control  knob 
is released

One or more burners do not 
light after ODS/pilot is lit

Delayed  ignition  of  one  or 
more burners

Burner backfiring during com

-

bustion

REMEDY

1. Press in control knob fully

2. After ODS/pilot lights, keep 

control knob pressed in 30 
seconds

3. Wait one minute for safety 

interlock  system  to  reset. 
Repeat ignition operation

4. Fully open equipment shut

-

off valve

5. A) Contact local natural or 

propane/LP gas company

  B)  Clean  ODS/pilot  (see 

Cleaning and Maintenance

page 20) or replace ODS/
pilot assembly

6. Hand  tighten  until  snug, 

then tighten 1/4 turn more

7. Replace pilot assembly
8. Replace control valve

1. Contact  local  natural  or 

propane/LP gas company

2. Clean burner(s) (see 

Clean-

ing  and  Maintenance

page 20) or replace burner 

orifice(s)

3. Contact  qualified  service 

person

1. Contact  local  natural  or 

propane/LP gas company

2. Clean burner(s) (see 

Clean-

ing  and  Maintenance

page 20) or replace burner 

orifice(s)

3. Contact  qualified  service 

person

1. Clean burner (see 

Cleaning 

and Maintenance

, page 20) 

or replace burner orifice

2. Replace damaged burner
3. Replace gas regulator

POSSIBLE CAUSE

1. Control  knob  not  fully 

pressed in

2. Control knob not pressed in 

long enough

3. Safety interlock system has 

been triggered

4. Equipment shutoff valve not 

fully open

5. Pilot  flame  not  touching 

thermocouple,  which  al

-

lows thermocouple to cool, 
causing  pilot  flame  to  go 

out. This problem could be 
caused  by  one  or  both  of 
the following:

  A) Low gas pressure
  B) Dirty or partially clogged 

ODS/pilot 

6. Thermocouple  connection 

loose at control valve 

7. Thermocouple damaged
8. Control valve damaged

1. Inlet  gas  pressure  is  too 

low

2. Burner orifice(s) clogged

3. Mislocated crossover tube

1. Manifold  pressure  is  too 

low

2. Burner orifice(s) clogged

3. Mislocated crossover tube

1. Burner orifice is clogged or 

damaged

2. Damaged burner
3. Gas regulator defective

Содержание CSG3924NTA

Страница 1: ...y appliance Do not touch any electrical switch do not use any phone in your building Immediatelycallyourgassupplierfromaneighbor s phone Follow the gas supplier s instructions If you cannot reach your...

Страница 2: ...or these installations in accordance with ANSI Z21 11 2 Exception Do not install this appliance in a factory built fireplace that includes instructions stating it has not been test ed or should not be...

Страница 3: ...However the odor added to the gas can fade Gas may be present even though no odor exists Make certain you read and understand all warnings Keep this manual for reference It is your guide to safe and p...

Страница 4: ...k of less than 100 lb capacity 18 Provide adequate clearances around air openings You must operate this heater with a fireplace screen in place Make sure fireplace screen is closed before running heat...

Страница 5: ...he Commonwealth of Massachusetts Sellers of unvented propane or natural gas fired supplemental room heaters shall provide to each purchaser a copy of 527 CMR 30 upon sale of the unit Vent free gas pro...

Страница 6: ...home needs to breathe Fresh air must enter your home All fuel burning ap pliances need fresh air for proper combustion and ventilation Exhaust fans fireplaces clothes dryers and fuel burning applianc...

Страница 7: ...etermine the maximum Btu Hr the space can support _________ volume of space x 20 Maxi mum Btu Hr the space can support Example 2 560 cu ft volume of space x 20 51 200 maximum Btu Hr the space can supp...

Страница 8: ...an adjoining unconfined space you must provide two permanent openings one within 12 of the ceiling and one within 12 of the floor on the wall connecting the two spaces see options 1 and 2 Figure 2 You...

Страница 9: ...eated Adirtychimneyfluemay createanddistributesootwithin the house Inspect chimney flue and firebox for damage If dam aged repair flue before operat ing heater WARNING Seal any fresh air vents or ash...

Страница 10: ...tinued Note When installing your gas logs into a manufactured firebox follow firebox manufacturer s instructions for minimum clearances to combustible materials B Clearances from top of fireplace open...

Страница 11: ...al Slate Marble Tile etc Above Fireplace Figure 6 Minimum Mantel Clearances Without Using Hood Minimum Noncombustible Material Minimum Noncombustible Material Height Distances to Underside of Mantel T...

Страница 12: ...t meet the clearances listed below you will need a hood Determining Minimum Mantel Clearance If you meet minimum clearance between man tel shelf and top of fireplace opening a hood is not required see...

Страница 13: ...r base and logs front to back and side to side in fireplace 6 Carefully remove logs without moving heater base 7 Mark screw locations through one hole on each side of the mounting bracket see Figure 1...

Страница 14: ...gas is commonly known as wellhead gas Installation Items Needed Before installing heater make sure you have the items listed below external regulator supplied by installer piping check local codes se...

Страница 15: ...ing Gas Supply Piping System Test Pressures In Excess Of 1 2 PSIG 3 5 kPa 1 Disconnect appliance with its appliance main gas valve control valve and equip ment shutoff valve from gas supply piping Pre...

Страница 16: ...tion INSTALLING LOGS WARNING Failure to posi tion the parts in accordance with these diagrams or failure to use only parts specifically approved with this heater may result in property damage or perso...

Страница 17: ...n log 1 ember bed and rest back of log 6 on back log 4 see Figure 20 Figure 18 Installing Log 2 Right and Log 3 Left Figure 19 Installing Log 4 Figure 20 Installing Log 5 Right and Log 6 Left Log 5 Lo...

Страница 18: ...Then smell for gas including near the floor If you smell gas STOP Follow B in the safety information in column 1 If you don t smell gas go to the next step Operation FOR YOUR SAFETY READ BEFORE LIGHTI...

Страница 19: ...tor Electrode Figure 24 Pilot Natural Ignitor Electrode Pilot Burner Thermocouple Thermocouple 9 To light the rear yellow flame burner push in and turn rear burner control knob coun terclockwise to th...

Страница 20: ...r flame pat ternsshowyellowtipping follow instructionsbelow Yellowflame on rear burner is normal NOTICE Do not mistake orange flames with yellow tipping Dirt orotherfineparticlesareburned by heater ca...

Страница 21: ...ted at the end of burner tubes again Remove any large particles of dust dirt lint or pet hair with a soft cloth or vacuum cleaner nozzle 5 Blow air into the primary air holes on the injector holders 6...

Страница 22: ...en in stalled 5 Depleted gas supply pro pane LP only 6 ODS pilot is clogged 7 Gas regulator setting is not correct OBSERVED PROBLEM Whenignitorbuttonispressed there is no spark at ODS pilot Whenignito...

Страница 23: ...qualified service person 1 Contact local natural or propane LP gas company 2 Clean burner s see Clean ing and Maintenance page 20 or replace burner orifice s 3 Contact qualified service person 1 Clea...

Страница 24: ...removed from line Have gas line checked by local natural or propane LP gas company 3 Observeminimuminstallation clearances see page 8 4 Clean burners see Clean ing and Maintenance page 20 1 Turn heat...

Страница 25: ...Locate and correct all leaks see Checking Gas Con nections page 16 1 Open window and or door for ventilation 2 Contact local natural or propane LP gas company 3 Clean ODS pilot see Cleaning and Mainte...

Страница 26: ...he mounting bracket This location allows the thermostat to keep the room temperature at an ideal comfort level for most fireplace applications For positioning the thermostat sensing bulb elsewhere an...

Страница 27: ...Piezo Manifold Pressure 3 W C Inlet Gas Pressure in of water Maximum 10 5 W C Minimum 5 W C Shipping Weight 30 lbs Certified Standards Z21 11 2 2000 For purpose of input adjustment Parts Log Models C...

Страница 28: ...www desatech com 123551 01D 28 PARTS Thermostat Controlled Models CSG3924NTA AND CSG3924PTA 1 16 17 2 18 12 28 24 27 27 27 27 27 27 8 8 7 9 13 5 6 19 20 4 14 10 25 3 26 22 15 21 11 23...

Страница 29: ...097159 04 Piezo Ignitor 1 15 098271 10 Ignitor Cable 1 16 099056 18 Burner Orifice Injector Back 1 099056 21 Burner Orifice Injector Back 1 17 101004 02 Burner Orifice Injector Front 1 101004 18 Burn...

Страница 30: ...r was malfunctioning purchase date Service Hints When Gas Pressure Is Too Low pilot will not stay lit burners will have delayed ignition fireplace will not produce specified heat for propane LP units...

Страница 31: ...__ ______________________________________________________ ______________________________________________________ ______________________________________________________ ________________________________...

Страница 32: ...proved by DESA Heating LLC Warranty parts must be obtained through authorized dealers of this prod uct and or DESA Heating LLC who will provide original factory replacement parts Failure to use origin...

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