MHSC DBX24C Installation & Operating Instructions Manual Download Page 29

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33D4047

DFX & DBX Series Vent Free Fireplaces

REPLACEMENT PARTS

334051
24VFSC burner parts

DFX24C MILLIVOLT & MANUAL CONTROL BURNER PARTS

DFX24C Millivolt

DFX24C Manual

Ref.

Description

Qty.

Natural

Propane

Natural

Propane

Burner/Grate Assy.

33D4043

Injector

59D0062

33D4046

59D0062

33D4046

Venturi

58D0454

33D4058

58D0454

33D4058

Control Knob

18D0603

Millivolt Valve

14D0467

14D0468

Manual Control Valve

30D0201

30D0202

Pressure Valve Regulator

14D0469

24D0305

24D0306

Burner to Valve Tube

33D4511

33D4513

Tube Fitting, 3/8 x 5/16

11V0313

Regulator Valve Tube, 5/16

33D4512

10.

ODS Pilot Valve Tube, 3/16

49D0050

11.

Piezo Ignitor

14D0503

12.

Peizo Wire

00K0632

13.

ODS Pilot Assy.

14D0473

14D0477

26D2529

14D0476

14.

Left Log #1

33D4040

15.

Right Log #2

33D4041

16.

Rear Log #3

33D4039

17.

Tube Nut, 3/16 (not shown)

00F0077

18.

Tube Ferrule, 3/16 (not shown)

00F0078

19.

Tube Nut, 5/16 (not shown)

00K0917

20.

Tube Nut, 5/16 (not shown)

00K0917

21.

Tube Ferrule, 5/16 (not shown)

00K0918

22.

Tube Ferrule, 5/16 (not shown)

00K0918

23.

Flex Tube w/Fittings (not shown)

20H0022

24.

8 Grams Rock Wool Bag (not shown) 1

58D0443

Summary of Contents for DBX24C

Page 1: ...o not touch any electrical switch do not use any phone in your building Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions If you cannot reach your gas s...

Page 2: ...ppearance 21 Operating Instructions 21 For Your Safety Read Before Lighting 22 Manual Control Lighting Instructions 23 Thermostatic Control Lighting Instructions 24 MilliVolt Control Lighting Instruct...

Page 3: ...Correct installation of the ceramic fiber logs proper location of the heater and annual cleaning are neces sary to avoid potential problems with sooting Sooting resulting from improper installation or...

Page 4: ...lified service technician to inspect the room heater and to replace any part of the control system and any gas control which has been under water 24 Never burn solid fuels in a fireplace where a unven...

Page 5: ...livolt 26 000 20 000 DBX24NTC Nat T Stat 10 000 DBX24PTC LP T Stat 10 000 Gas Specifications NOTE For LP models an external regulator is required to reduce supply pressure to a maximum of 13 w c ignit...

Page 6: ...24Z x 622 mm 32 813 mm B 22Z x 572 mm 28C v 730 mm C 26Z x 673 mm 30 762 mm D 14 356 mm 21C v 553 mm E 17 432 mm 20Z v 514 mm F 4B 118 mm 4C v 121 mm G 4M 124 mm 5 127 mm H 11M 302 mm 13C 340 mm I 1...

Page 7: ...gs to prevent skin irritation from loose fibers Logs are fragile handle with care In planning the installation for the fireplace it is necessary to determine where the unit is to be installed and whet...

Page 8: ...ted or sealed b weather striping has been added on openable windows and doors and c caulking or sealants are applied to areas such as joints around window and door frames between sole plates and floor...

Page 9: ...ces air conditioners windows or doors Installation must provide adequate ventilation and combustion air DO NOT INSTALL THIS MODEL IN A BEDROOM OR BATHROOM Location should be out of high traffic areas...

Page 10: ...te height Do not place fireplace on carpeting vinyl tile or other soft floor coverings It may however be placed on flat wood plywood particle board or other hard surfaces Be sure fireplace rests on a...

Page 11: ...rebox Anchor fireplace to the side framing members using nail ing flanges K J FP2445 opening size Ref DFX24C DBX24C DFX32C J 26C v 26C v 31Z v 680 mm 680 mm 800 mm K 25 25 32ZC zn 635 mm 635 mm 833 mm...

Page 12: ...ontaining the four log set 3 To remove the grate and base assembly take out two 2 screws as shown in Figure 9 4 Lift grate and base assembly out of the firebox 5 Secure the firebox with two anchoring...

Page 13: ...0 A sediment trap should be installed upstream to prevent moisture and contaminants from passing through the pipe to appliance controls and burners Failure to do so could prevent the appliance from op...

Page 14: ...ing to pressure gauge After taking pressure reading reinstall test plug Check for gas leaks FP2499 manual valve NPT Test Plug FP2499 Figure 12 Pressure Test Point Location Manual Control FP2510 thermo...

Page 15: ...t Spade Terminal FP2112 WARNING Label all wires prior to disconnection when servicing controls Wiring errors can cause improper and dangerous operation Verify proper operation after servicing Connecti...

Page 16: ...omponents may be checked with a millivolt meter having a 0 1000 mV range Conduct each check shown in chart below by connection meter test leads to terminals as indicated A Complete MilliVolt System Ch...

Page 17: ...and to install canopy FP2513 remove screen Fireplace Screen Louvre FP2513 Figure 17 Remove Fireplace Screen Panel Canopy INSTALL CANOPY 1 Push louvers up and out to remove top louver assem bly 2 Align...

Page 18: ...rock wool supplied with the unit Failure to position the parts in accordance with diagrams below or to use only parts specifically approved for this heater may result in property damage or personal i...

Page 19: ...left front log Pins LG700 32VFSC logs Pins Left Front Log 2 Left Middle Log 5 Right Front Log 1 Right Middle Log 4 Rear Log 3 Pins Pins LG700 Figure 20 DFX32C Log Placement LG701 24BDXC logs One piec...

Page 20: ...Figures 23 24 for correct pilot flame If the pilot flame does not touch the thermocouple then the main burner cannot function reliably Refer to Figures 23 24 for incorrect shape of pilot flame Figure...

Page 21: ...TRUCTIONS Avoid any drafts that alter burner flame patterns Do not allow fans to blow directly into the fireplace Do not place a blower inside the burn area of the firebox Ceiling fans may create draf...

Page 22: ...instruc tions If you cannot reach your gas supplier call the fire department C Use only your hand to push in or turn the gas control knob Never use tools If the knob will not push in or turn by hand d...

Page 23: ...in push and release the piezo ignitor button to light the ODS pilot The pilot is located on the left side of the heater behind the middle log and in front of the back log If piezo ignitor does not lig...

Page 24: ...If piezo ignitor does not light the pilot see Match Lighting Instructions Page 26 8 Hold the control knob in for an additional 10 seconds to prevent the ODS pilot from shutting off the gas while the...

Page 25: ...ssary to press in the control knob for 30 seconds to allow air to bleed out of the gas piping 7 With the control knob pushed in push in and release the piezo ignitor button to light the pilot 8 Contin...

Page 26: ...llation of screen DO NOT OPERATE THE UNIT WITH THE SCREEN REMOVED Remove logs handling carefully by holding gently at each end Gloves are recommended to prevent skin irritation from ceramic fibers If...

Page 27: ...maged 3 Gas regulator defective 1 Vapors from paint or curing process of logs 2 Vapors or smoke continue after heater has run with damper or window open for several hours 1 Turning control knob to HIG...

Page 28: ...33D4501 33D4501 33D5501 3 Left Firebrick Optional 1 26D7061 26D7061 26D7065 4 Center Firebirck Optional 1 26D7060 26D7060 26D7064 5 Right Firebrick Optional 1 26D7062 26D7062 26D7066 6 Blower Optional...

Page 29: ...1 11V0313 11V0313 11V0313 11V0313 9 Regulator Valve Tube 5 16 1 33D4512 33D4512 10 ODS Pilot Valve Tube 3 16 1 49D0050 49D0050 49D0050 49D0050 11 Piezo Ignitor 1 14D0503 14D0503 14D0503 14D0503 12 Pe...

Page 30: ...11V0313 9 ODS Pilot Valve Tube 3 16 1 49D0050 49D0050 10 Peizo Ignitor 1 14D0503 14D0503 11 Piezo Wire 1 00K0632 00K0632 12 Right Front Log 1 1 33D5042 33D5042 13 Left Front Log 2 1 33D5043 33D5043 14...

Page 31: ...t Control Valve 1 11V0701 11V0701 6 Pressure Valve Regulator 1 24D0305 24D0306 7 Peizo Wire 1 00K0632 00K0632 8 Burner Valve Tube 1 4 1 33D4053 33D4053 9 Piezo Ignitor 1 18D0402 18D0402 10 Front Log 1...

Page 32: ...ebox installation The blower must be installed prior to the installation of the unvented heater The electrical connections must be made before the firebox is framed and enclosed in the finished walls...

Page 33: ...the retainer clip with the hole inside the firebox Using Phillips screwdriver attach the retainer bracket to inside of firebox Figure 37 6 Repeat step five for the other firebrick side panel FP2520 in...

Page 34: ...ther side trim 6 Slide assembled trim over the top and down the sides of the fireplace Flush trim with front of fireplace as shown in Figure 42 7 Align holes in assembled trim with holes in side of fi...

Page 35: ...places OPTIONAL ACCESSORIES FP2527 install trim Assembled Trim Trim Flush with Front of Fireplace FP2527 Figure 42 Slide Assembled Trim Over Top of Heater FP2528 secure trim Screws Holes Screw Screw F...

Page 36: ...so be void if the appliance is not operated and maintained according to the operating instructions supplied with the appliance and does not extend to 1 firebox burner assembly damage by accident negle...

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Summary of Contents for DBX24C

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MHSC DBX24C, Installation & Operating Instructions Manual, Page: 29 / 36

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