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  4. 24DBXC Series
  5. Installation And Operating Instructions Manual

Majestic 24DBXC Series Installation And Operating Instructions Manual

Summary of 24DBXC Series

  • Page 1

    Vent-free fireplace systems installation and operating instructions read and save these instructions models 24vfsc 24dbxc* 32vfsc** natural gas or propane/lpg manual or milli-volt *thermostat control only •• milli-volt only this is an unvented gas-fired heater. It uses air (oxygen) from the room in ...

  • Page 2

    33d4051 contents important safety information ..................................... 3 product features ....................................................... 5 product features and specifications ......................... 6 getting started .......................................................... ...

  • Page 3

    33d4051 3 9. This unit complies with ansi z21.11.2 unvented heaters standard. 10. Do not install the vfs model in a bathroom or bedroom. The dbx model may be installed in a bedroom, but not in a bathroom. 11. Correct installation of the ceramic fiber logs, proper loca - tion of the heater, and annua...

  • Page 4

    4 33d4051 important safety information this appliance may be installed in an aftermarket, permanently located, manufactured (mobile) home, where not prohibited by local codes. This appliance is only for use with the type of gas indicated on the rating plate. This appliance is not convertible for use...

  • Page 5

    33d4051 5 piezo ignition fireplace screen control knob product features your vent-free fireplace must be mounted on the floor or on the optional fireplace hearth. Operation this unvented gas heater requires no outside venting and burns cleanly with high heating efficiency. This zero-clearance unvent...

  • Page 6

    6 33d4051 natural gas manual and t-stat pressure regulator pressure setting 4 in. W.C. Gas inlet pressure: max. 10.5 in. W.C. Min. 5 in. W.C. Product features and specifications ignition controls piezo ignitor allows ignition of the pilot without the use of matches or batteries. Manual control has f...

  • Page 7

    33d4051 7 pilot the gas log heater is fitted with a specially designed safety pilot light which senses the amount of oxygen available in the room and shuts the gas log heater off if the oxygen level begins to drop below a satisfactory level. The pilot can only be relit when adequate fresh air is ava...

  • Page 8

    8 33d4051 in planning the installation for the fireplace it is necessary to determine where the unit is to be installed and whether optional accessories are desired. Gas supply piping should also be planned. The following steps represent the normal sequence of installation. Each installation is uniq...

  • Page 9

    33d4051 9 general installation information adequate combustion and ventilation air this heater shall not be installed in a confined space or unusually tight construction unless provisions are provided for adequate combustion and ventilation air. The national fuel gas code defines a confined space as...

  • Page 10

    10 33d4051 general installation information figure 3 - sample room for determining the maximum heater rating w arning if the area in which the heater may be operated is smaller than that defined as an unconfined space or if the building is of unusually tight construction, provide adequate combustion...

  • Page 11

    33d4051 11 general installation information installing optional firebrick panels 1. Remove optional firebrick panels from packaging. Check to see that you have the following: • 3 firebrick panels • two (2) retainer brackets • two (2) black screws if any part or parts are missing, contact dealer wher...

  • Page 12

    1 33d4051 general installation information black trim installation (24vfsc/24dbxc) 1. Remove black trim from protective packaging. Remove four (4) black screws and 2 (two) 90°-angle trim brackets from owner’s manual packaging. 2. Lay trim on floor and match corners of side trims to top trim (see fig...

  • Page 13

    33d4051 13 general installation information 45°-angled corners back of trim assembly top trim piece side trim pieces 90°-angled shim 90°-angled bracket outside corner slot outside corner slot bracket screws black trim installation (32vfsc) 1. Remove trim from protective packaging. Be careful not to ...

  • Page 14

    14 33d4051 removing screen 1. Remove bottom louver. See figure 14. 2. Removing fireplace screen frame panel by pushing screen frame panel up and out. See figure 14. General installation information figure 15 - canopy installation installing canopy 1. Push louvers up and out to remove top louver asse...

  • Page 15

    33d4051 15 general installation information securing heater to floor or hearth note: clearance requirements as detailed in “clearances and height requirements” section on page 17 of this manual, must be met before securing the heater in place. To prevent movement, the heater must be secured to the f...

  • Page 16

    16 33d4051 location of fireplace carefully select the best location for installation of your unvented fireplace. The following factors should be taken into consideration. • clearance to side wall, ceiling, woodwork and window or other combustibles. See clearances and height requirements section on p...

  • Page 17

    33d4051 17 9" minimum 42" minimum 9" minimum 12" 2 1/2" 10" 19" clearances and height requirements figure 20 - minimum mantel clearances canopy ensure that minimum clearances shown in figures 14 and 15 are maintained. Left and right clearances are determined when facing the front of the firebox. Fol...

  • Page 18

    18 33d4051 h g d f e a c c g a 1 / 2 " or 5 / 8 " b a 1 / 2 " or 5 / 8 " c a g 24vfsc 24dbxc 32vfsc a 4 3 / 4 4 3 / 4 3 1 / b 6 3 / 4 6 3 / 4 30 1 / 4 c 14 14 1 3 / 4 d 10 1 / 10 1 / 14 1 / e 4 1 / 4 1 / 53 3 / 4 f 1 1 6 3 / 4 g 10 1 / 10 1 / 1 1 / 4 h 30 30 38 fireplace framing if unit is to be “bu...

  • Page 19

    33d4051 19 h j nail sides through nailing flanges 1. Bend out the nailing flanges located on each side of the firebox. 2. Slide the firebox into prepared framing or position firebox in its final position and frame later. 3. Level the firebox by checking the top edge of the firebox. Shim if necessary...

  • Page 20

    0 33d4051 pipe coupling to heater valve 3" minimum caution connecting the gas notice: a qualified gas appliance installer must connect the heater to the gas supply. Consult all local codes. Important: loosen the pipe adapter on the flex tube before installing to the system piping. Check gas type: th...

  • Page 21

    33d4051 1 w arning test port “a” checking gas pressure test all gas joints from the gas meter to the heater valve for leaks using a gas analyzer or soap and water solution after completing connection. Do not use an open flame. Check the gas pressure with the appliance burning and the control set to ...

  • Page 22

    33d4051 electrical wiring (milli-volt) the milli-volt valve is a self-powered combination gas control that does not require 110 vac to operate. Connecting optional wall switch or thermostat 1. Use 18 awg, two-wire cable, 20 feet maximum length. 2. At one end of the cable, connect both wires to the w...

  • Page 23

    33d4051 3 skytech off on remo te firepl ace rem ote remote receiver velcro pad velcro ® pad electrical wiring (milli-volt) connecting remote receiver these instructions supersede the section entitled “hearth mount” in the milli-volt hand-held remote instructions supplied with the remote. 1. Remove b...

  • Page 24

    4 33d4051 log placement before you begin — this unit is supplied with a set of three ceramic fiber logs. Do not handle these logs with your bare hands. Always wear gloves to prevent skin irritation from ceramic fibers. After handling logs, wash your hands gently with soap and water to remove any tra...

  • Page 25

    33d4051 5 log placement proper installation sequence (24dbxc) install one-piece log on two burner pins. See figure 35. Figure 35 - proper sequence of log installation (24dbxc) burner pin burner pin one-piece log figure 34 - proper sequence of log installation (32vfsc) proper installation sequence (3...

  • Page 26

    6 33d4051 flame appearance flames from the pilot, front and rear burner should be visually checked as soon as the heater is installed. In addition, periodically check the flames visually during operation. Checking the pilot flame the pilot flame must always be present when the heater is in operation...

  • Page 27

    33d4051 7 installing rock wool and checking burner flame placing rock wool 24vfsc and 32vfsc models after installing logs, pull apart dime-size pieces of rock wool. Sprinkle rock wool evenly over burner ports. Wash hands after installing rock wool. Itching may occur. W arning • use only rock wool pr...

  • Page 28

    8 33d4051 operating instructions 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 drafts that alter flame patterns. Sooting and improper burning will result. Du...

  • Page 29

    33d4051 9 figure 44 - location of piezo ignitor & control knob piezo ignitor for your safety read before lighting a. This appliance is equipped with a piezo ignition device which automatically lights the pilot. If piezo is not working properly see match lighting instructions, page 33. B. Before oper...

  • Page 30

    30 33d4051 operating instructions manual control lighting instructions w arning wait 30 seconds before readjusting the heater when the control knob has been turned down to a lower setting. Push push rotate rotate push rotate figure 45 - ign position figure 46 - high position figure 47 - low position...

  • Page 31

    33d4051 31 thermostatic control lighting instructions 1. Stop! Read the safety information . 2. Make sure the manual shutoff valve is fully open. 3. This heater is equipped with an ignition device (piezo) which automatically lights the pilot. 4. See figure 44, page 29 for the location of the piezo i...

  • Page 32

    3 33d4051 operating instructions milli-volt control lighting instructions 1. Stop! Read the safety information label. 2. Make sure the manual shutoff valve is fully open. 3. This gas log set is equipped with an ignition device (piezo) which automatically lights the pilot. If piezo ignitor does not l...

  • Page 33

    33d4051 33 operating instructions match lighting instructions 1. Remove any items necessary for easy access to the pilot (for example: logs, screens, etc.). 2. Follow appropriate lighting instructions found previously. Instead of pushing and releasing the piezo button, light a match and hold the fla...

  • Page 34

    34 33d4051 caution blower and other optional equipment optional equipment forced air kit if you are installing the forced air kit (models blo24-t, blo24-tb or blot), see the installation instructions provided with the kit for electrical wiring requirements or the blower installation section. Model 2...

  • Page 35

    33d4051 35 1 4 3 2 5 6 illustrated parts breakdown for cabinet accessories standard features item description qty 24vfsc 24dbxc 32vfsc 1 canopy 1 33d4000 33d4000 33d5000 screen assembly 1 33d4501 33d4501 33d5501 3 left firebrick (optional) 1 33d4033 33d4033 33d503 4 center firebrick (optional) 1 33d...

  • Page 36

    36 33d4051 1 3 2 14 15 10 10 10 9 7 8 16 13 11 13 12 5 5 4 6 illustrated parts breakdown 24vfsc milli-volt 24vfsc manual w arning failure to position the parts in accordance with these diagrams or failure to use only parts specifically approved with this appliance may result in property damage or pe...

  • Page 37

    33d4051 37 replacement parts list replacement parts are available through your retailer. Item description qty 24vfsc millivolt 24vfsc manual natural propane natural propane 1 burner/grate assembly 1 33d4043 33d4043 33d4043 33d4043 injector 1 59d006 33d4046 59d006 33d4046 3 venturi 1 58d0454 33d4058 ...

  • Page 38

    38 33d4051 1 3 2 9 9 10 7 8 4 10 4 11 5 6 12 13 14 15 16 illustrated parts breakdown 32vfsc milli-volt w arning failure to position the parts in accordance with these diagrams or failure to use only parts specifically approved with this appliance may result in property damage or personal injury..

  • Page 39

    33d4051 39 replacement parts list replacement parts are available through your retailer. Item description qty 32vfsc millivolt natural propane 1 burner/grate assembly 1 33d5050 33d5050 injector 1 33d5040 33d5039 3 venturi 1 58d0454 33d4058 4 ods pilot assembly 1 14d0473 14d0477 5 milli-volt valve 1 ...

  • Page 40

    40 33d4051 1 2 10 8 3 4 9 7 5 6 illustrated parts breakdown 24dbxc t-stat w arning failure to position the parts in accordance with these diagrams or failure to use only parts specifically approved with this appliance may result in property damage or personal injury..

  • Page 41

    33d4051 41 replacement parts list replacement parts are available through your retailer. 24dbxc t-stat item description qty natural propane 1 burner 1 33d0070 33d0071 injector 1 18d053 33d081 3 ods pilot valve tube, 3/16 1 49d0050 49d0050 4 ods pilot assembly 1 6d59 14d0476 5 t-stat control valve 1 ...

  • Page 42

    4 33d4051 troubleshooting if the gas quality is bad, your pilot may not stay lit, the burners may produce soot and the heater may backfire when lit. If the gas quality or pressure is low, contact your local gas supplier immediately. W arning observed problem possible cause remedy ods/pilot lights, b...

  • Page 43

    33d4051 43 limited lifetime warranty policy lifetime warranty the following components are warranted for life to the original owner, subject to proof of purchase: firebox, combustion chamber, heat exchanger, grate and stainless steel burners. Five year warranty the following components are warranted...

  • Page 44

    August 2008 33d4051 • rev. 2 mhsc 149 cleveland drive • paris, kentucky 40361 www.Mhsc.Com.