Desa VS18NRA Owner'S Manual Download Page 35

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104415-01M

SPECIFICATIONS

Thermostat-Controlled Models

18"

24"

30"

Btu (Variable)

16,000/26,000

20,000/33,000

21,500/36,000

Type Gas

Propane/LP Natural

Ignition

Piezo

Manifold Pressure 7.9" W.C. 3.4" W.C.

7.9" W.C. 3.4" W.C.

Inlet Gas Pressure (in. of water)

Maximum

14"

10.5"

14"

10.5"

14"

10.5"

Minimum*

11"

Shipping Weight

26 lbs.

30 lbs.

34 lbs.

* For purpose of input adjustment

Variable Manually-Controlled Models

18"

24"

30"

Btu (Variable)

16,000/26,000

20,000/33,000

21,500/36,000

Type Gas

Propane/LP Natural

Ignition

Piezo

Manifold Pressure 7.9" W.C. 3.4" W.C.

7.9" W.C. 3.4" W.C.

Inlet Gas Pressure (in. of water)

Maximum

14"

10.5"

14"

10.5"

14"

10.5"

Minimum*

11"

Shipping Weight

26 lbs.

30 lbs.

34 lbs.

* For purpose of input adjustment

Remote-Ready Models

18"

24"

30"

Btu (Variable)

16,000/26,000

20,000/33,000

21,500/36,000

Type Gas

Propane/LP Natural

Ignition

Piezo

Manifold Pressure 7.9" W.C. 3.4" W.C.

7.9" W.C. 3.4" W.C.

Inlet Gas Pressure (in. of water)

Maximum

14"

10.5"

14"

10.5"

14"

10.5"

Minimum*

11"

Shipping Weight

32 lbs.

34 lbs.

36 lbs.

* For purpose of input adjustment

Summary of Contents for VS18NRA

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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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