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104415-01M

30

TROUBLESHOOTING

Continued 

OBSERVED PROBLEM

ODS/pilot  lights  but  flame 

goes out when control knob is 

released

One or both burners do not light 

after ODS/pilot is lit

Delayed ignition of one or both 

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 in-

terlock system to reset. Repeat 

ignition operation

4. Fully open equipment shutoff 

valve

5. A)  Contact  local  natural  or 

propane/LP gas company

 

  B)  Clean  ODS/pilot  (see 

Cleaning  and  Maintenance

page 27) 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 pro-

pane/LP gas company

2. Clean burner(s) (see C

leaning 

and Maintenance

, page 27) or 

replace burner orifice(s)

3. Contact qualified service person

4. Put  remote  selector  in  ON 

position

5. See 

Wiring Diagram

, page 29

1. Contact local natural or pro-

pane/LP gas company

2. Clean burner(s) (see 

Cleaning 

and Maintenance

, page 27) or 

replace burner orifice(s)

3. Contact qualified service person

1. Clean  burner  (see 

Cleaning 

and Maintenance

, page 27) 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 allows 

thermocouple to cool, caus-

ing 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

4. Remote selector in OFF posi-

tion (Remote-Ready Models 

Only)

5. Wire disconnected from gas 

control (Remote-Ready Mod-

els Only)

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 VS18NRA

Страница 1: ...l switch do not use any phone in your building Immediatelycallyourgassupplierfromaneighbor s phone Follow the gas supplier s instructions If you cannot reach your gas supplier call the re department I...

Страница 2: ...sions for adequate combustion and ventilation air must be provided Refer to Air for Combustion and Ventilation section on page 6 of this manual This appliance may be installed in an aftermarket per m...

Страница 3: ...and all warn ings Keep this manual for reference It is your guide to safe and proper operation of this heater WARNING Any change to this heater or its controls can be dangerous WARNING Do not use a bl...

Страница 4: ...powder residue within burner box or on adjacent walls and furniture SAFETY INFORMATION Continued 10 Thisheaterneedsfresh outsideairventilationto run properly This heater has an Oxygen Deple tion Sensi...

Страница 5: ...required LOCAL CODES Install and use heater with care Follow all local codes In the absence of local codes use the lat est edition of The National Fuel Gas Code ANSI Z223 1 NFPA 54 Available from Amer...

Страница 6: ...ee criteria above proceed to Determin ing Fresh Air Flow For Heater Location page 7 AIR FOR COMBUSTION AND VENTILATION WARNING This heater shall not be installed in a con ned space or unusually tight...

Страница 7: ...N AND VENTILATION Continued 3 Add the Btu Hr of all fuel burning appliances in the space Vent free replace __________ Btu Hr Gas water heater __________ Btu Hr Gas furnace __________ Btu Hr Vented gas...

Страница 8: ...l connecting the two spaces see options 1 and 2 Figure 2 You can also remove door into adjoining room see option 3 Figure 2 Follow the National Fuel Gas Code ANSI Z223 1 NFPA 54 Section 5 3 Air for Co...

Страница 9: ...next to heater Installing heater next to vinyl or cloth wall coverings or operatingheaterwhereimpurities such as but not limited to to bacco smoke aromatic candles cleaning uids oil or kerosene lamps...

Страница 10: ...a mantel follow the informa tion on this page You must have noncombustible material s above the replace opening Noncombustible materials such as slate marble tile etc must be at least 1 2 thick With s...

Страница 11: ...rside of Mantel Shelf 12 8 A 18 14 20 17 22 19 24 20 All minimum distances are in inches Log Set 24 30 Models 18 Model 2 1 2 6 8 10 Mantel Shelf Minimum Non Combustible Material 8 Min 12 15 18 All min...

Страница 12: ...vel you must maintain the minimum distance of 14 to combustibles see Figure 8 B If combustible materials are less than 14 to the replace you must install appliance at least 5 above the combustible oor...

Страница 13: ...thermostat bulb Avoid nicks or sharp bends in thermostat bulb wire Keepthermostatbulbinmountingbracketuntil ready to mount base to oor See Optional Position ing Of Thermostat Sensing Bulb page 33 Inst...

Страница 14: ...ed Models attach mounting brackets to replace oor using masonry screws provided in hardware pack age see Figure 13 Reattach heater base to mounting brackets see Figure 13 Tighten nuts rmly INSTALLATIO...

Страница 15: ...nt resistant to propane LP gas equipment shutoff valve test gauge connection sediment trap tee joint pipe wrench approved exible gas line with gas connector if allowed by local codes not provided ACSA...

Страница 16: ...nal to unit for leaks after installing or servicing Correct all leaks at once WARNING Never use an open ame to check for a leak Applyanoncorrosiveleakdetec tion uid to all joints Bubbles forming show...

Страница 17: ...leak 5 Correct all leaks at once 6 Light heater see Operating Heater page 19 Check all other internal joints for leaks 7 Turn off heater see To Turn Off Gas to Appli ance page 20 forThermostat Control...

Страница 18: ...in the bottom of the crossover log The crossover log should t in the cutout of the middle log see Figure 24 Middle Log 2 Metal Post Metal Post Groove Groove Grate Figure 22 Installing Middle Log 2 18...

Страница 19: ...ance and to replace any part of the control system and any gas control which has been under water LIGHTING INSTRUCTIONS WARNING If replace has glass doors never operate this heater with glass doors cl...

Страница 20: ...terclockwise to desired heating level The burners should light Set control knob to any heat level between HI and LO CAUTION Do not try to ad just heating levels by using the equipment shutoff valve TO...

Страница 21: ...e and to replace any part of the control system and any gas control which has been under water LIGHTING INSTRUCTIONS WARNING If replace has glass doors never operate this heater with glass doors close...

Страница 22: ...not try to ad just heating levels by using the equipment shutoff valve PILOT OFF LO HI Figure 27 Control Knob and Ignitor Button Location Control Knob Ignitor Button Figure 28 Pilot Ignitor Electrode...

Страница 23: ...the OFF position 4 Press in and turn control knob clockwise to the OFF position see Figure 29 page 24 REMOTE READY MODELS FOR YOUR SAFETY READ BEFORE LIGHTING WARNING If you do not fol low these inst...

Страница 24: ...rvice person or gas supplier for repairs Note If pilot goes out repeat steps 4 through 8 9 Slightly push in and turn control knob coun terclockwise to the ON position 10 Wait one minute and switch sel...

Страница 25: ...te until burner turns on Hold the control button again until burner turns off see Figure 33 TO LOCK press both buttons on hand held remote control until light stops ashing Hand held remote control is...

Страница 26: ...MANU mode 2 The receiver continuously receives signals from the hand held remote to control the room temperature If the hand held remote is misplaced obstructed or for any reason cannot transmit to th...

Страница 27: ...cleaning CAUTION You must keep control areas burners and circulating air passageways of heater clean Inspect these areas of heater before each use Have heater inspected yearly by a quali ed service pe...

Страница 28: ...off lightly blow air through the air inlet hole You may blow through a drinking straw if compressed air is not available Figure 39 Injector Holder On Outlet Burner Tube Burner Tube Injector Holder Pri...

Страница 29: ...n stalled 5 Depleted gas supply pro pane LP only 6 ODS pilot is clogged 7 Gas regulator setting is not correct OBSERVED PROBLEM When ignitor button is pressed there is no spark at ODS pilot When ignit...

Страница 30: ...1 Contact local natural or pro pane LP gas company 2 Clean burner s see Cleaning and Maintenance page 27 or replace burner ori ce s 3 Contact quali ed service person 1 Clean burner see Cleaning and Ma...

Страница 31: ...rn into white powder residue 1 Not enough combustion ven tilation air 1 Battery is not installed Bat tery power is low 1 Metal expanding while heat ing or contracting while cooling REMEDY 1 Check burn...

Страница 32: ...een con trol valve and burner 2 Gas leak See Warning statement at top of page 1 Thermostat sensing bulb needs to be repositioned Thermostat Controlled Models Only 2 Hand held remote control is too clo...

Страница 33: ...screw after removing the thermostat sensing bulb IMPORTANT Do not force or bend the thermostat sensing bulb or capillary 3 The thermostat sensing bulb may be located to the lower right front side of r...

Страница 34: ...further questions about installation operation or troubleshooting If so contact DESA Heating Products Technical Service Department at 1 866 672 6040 When calling please have your model and serial num...

Страница 35: ...500 36 000 Type Gas Propane LP Natural Propane LP Natural Propane LP Natural Ignition Piezo Piezo Piezo Piezo Piezo Piezo Manifold Pressure 7 9 W C 3 4 W C 7 9 W C 3 4 W C 7 9 W C 3 4 W C Inlet Gas P...

Страница 36: ...7 5 6 9 9 7 27 27 24 10 11 12 14 21 22 8 23 6 1 6 2 13 15 16 1a 1b 24 and 30 Models Only 29 4 3 2 1 18 Model Only ILLUSTRATED PARTS BREAKDOWN VARIABLE MANUALLY CONTROLLED SPLIT OAK MODELS VS18NVC E18N...

Страница 37: ...098354 01 098354 01 098354 01 098354 01 Control Knob 1 15 098462 03 098462 03 098462 03 098462 03 098462 03 098462 03 Control Rod 1 16 098325 01 098325 01 098325 01 098325 01 098325 01 098325 01 Roll...

Страница 38: ...TS BREAKDOWN THERMOSTAT CONTROLLED MODELS VS18NTB VS18PTB VS24NTB VS24PTB VS30NTB and VS30PTB 30 5 24 7 8 9 10 7 7 13 31 32 14 15 17 16 18 23 25 26 11 28 21 22 20 27 19 29 9 1 9 2 12 12 1a 1b 24 and 3...

Страница 39: ...ube 1 17 098354 01 098354 01 098354 01 098354 01 098354 01 098354 01 Control Knob 1 18 098462 03 098462 03 098462 03 098462 03 098462 03 098462 03 Control Rod 1 19 100000 01 100000 01 100000 01 100000...

Страница 40: ...ODELS VS18NRA E18NR VS18PRA E18PR VS24NRA E24NR VS24PRA E24PR VS30NRA E30NR VS30PRA AND E30PR 4 3 2 1 18 Model Only 1a 1b 24 and 30 Models Only 22 12 13 20 19 14 21 17 18 16 23 30 15 27 25 5 28 29 26...

Страница 41: ...8 01 103588 01 Heat Shield 1 15 103782 01 103782 01 103782 01 103782 01 103782 01 103782 01 Valve Bracket 1 16 M12461 26 M12461 26 M12461 26 M12461 26 M12461 26 M12461 26 Screw 5 17 103781 01 103781 0...

Страница 42: ...NPT pipe FIREPLACE HOOD Black GA6050 Brass GA6052 Antique Brass GA6053 For all models Helps de ect heat away from mantel or wall above replace Fits openings 28 to 48 wide RECEIVER AND HAND HELD THERM...

Страница 43: ...ING SERIES Not Shown For 18 and 24 models FB36CA FB42C SERIES CIRCULATING FB36NCA FB42NC SERIES NON CIRCULATING Not Shown For all models DAMPER CLAMP GA6080 Not Shown For Remote Ready and Variable Man...

Страница 44: ...talled by a quali ed installer in accordance with all local codes and instructions furnished with the unit This warranty does not apply to parts that are not in original condition because of normal we...

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