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  5. Installation And Operating Instructions Manual

Wood-Free WLX18 Installation And Operating Instructions Manual

Manual is about: VENT-FREE GAS LOG HEATER OR VENTED DECORATIVE APPLIANCE

Summary of WLX18

  • Page 1

    • read and save these instructions • vent-free gas log heater or vented decorative appliance installation and operating instructions this is an unvented gas-fired heater. It uses air (oxygen) from the room in which it is installed. Provisions for adequate combus- tion and ventilation air must be pro...

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    2 contents important safety information ............................................................................................................ 1 getting started ................................................................................................................................... 3...

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    3 important safety information installer please leave these instructions with the owner. Owner please retain these instructions for future reference. Important read these instructions carefully before installing or trying to operate this vent-free gas heater. Warning • any change to this heater or i...

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    4 important safety information 15. Keep room area clear and free from combustible materials, gasoline and other flammable vapors and liquids. 16. Unvented gas heaters are a supplemental zone heater. They are not intended to be a primary heat- ing appliance. Water vapor produced by an unvented heater...

  • Page 5

    5 getting started make sure you have received all parts: check your packing list to verify that all listed parts have been received. You should have the following: • unvented gas log grate/burner assembly. • installation/operating instructions. • ceramic fiber logs. • two (2) anchoring screws. • pla...

  • Page 6

    6 natural gas manual / t-stat pressure millivolt pressure regulator pressure setting: 3" w.C. Regulator pressure setting: 3.5" w.C. Pilot regulator: 3.5" w.C. Gas inlet pressure: max. 10 1/2" w. C. Gas inlet pressure: max. 10 1/2" w. C. Min. 5" w.C. Min. 5" w.C. Propane / lpg note: an external regul...

  • Page 7

    7 general installation information millivolt control has four (4) positions: off - all gas to the gas logs is shut off at the valve. Ign - valve position to light/maintain a standing pilot. On - valve position to turn on/off log set with remote switch/thermostat or with on/ off switch on the set. Lo...

  • Page 8

    8 general installation information the following formula can be used to determine the maximum heater rating per the definition of un- confined space: example: refer to figure 1, two (2) connecting rooms with an open area between, with the following dimensions: l 1 = 15 1/2' l 2 = 12' w = 12' h = 8' ...

  • Page 9

    9 fireplace and hearth dimensions w arning figure 2: hearth minimum dimension for solid fuel burning fireplaces and ul127 factory built fireplaces model a b c d wlx18 17.5" 13.25" 27" 17" wlx24 17.5" 14" 29" 17" wlx28 21" 14" 33" 17" this appliance has been specifically tested and design certified f...

  • Page 10

    10 this log set must not be installed in a sunken hearth or behind any barrier that may restrict air flow to the log set or its controls. Failure to do this may cause a fire hazard or damage to the control system and will void the warranty. W arning placement in a masonry fireplace if the fireplace ...

  • Page 11

    11 the dimensions shown in figures 3 - 11 and defined in the fireplace manufacturer's instructions are minimum clearances to maintain when installing this heater. Left and right clearances are determined when facing the front of the heater. When heater is installed into a ventless firebox, minimum c...

  • Page 12

    12 heat resistant material (minimum requirements) with no wooden mantel or other combustible pro- jection:to install the gas logs into a fireplace with no wooden mantel, shelf or other combustible projection above the fireplace opening, measure the heat resistant material height, per figure 4, then ...

  • Page 13

    13 requirements for safe installation with wooden mantel, shelf or other combustible projection wlx18 wlx24 and 28 hood not required. Observe profiles (side elevations) shown in figure 6. Install hood and observe profiles shown in figure 7. Or, extend heat resistant ma- terial to at least 12" and ob...

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    14 heat resistant material 10" 8 " 6" 2 1/2" 3 7/8" 4 1/8" 6 1/2" 8" 14" 20 1/2" 24 5/8" 28" figure 6: minimum mantel clearance with no hood--wlx18 example: the bottom of the mantel may project from the wall a maxi- mum of 2 1/2" at a minimum of 14" above the opening. The top shelf of the mantel may...

  • Page 15

    15 figure 9: unacceptable mantel clearance hood 8" 14 1/2" 6" 7" 4" 2 1/2" figure 9 is an example of an unsafe mantel installation. This mantel projects 4" at 8" above the opening, exceeding the maximum accept- able distance of 2 1/2" the mantel also projects 7" at 14 1/2" above the opening, exceedi...

  • Page 16

    16 the gas log heater must be installed at least 5" above any combustible flooring material, such as carpet- ing or tile, which is closer than 14" to the base of the fireplace. Refer to figure 10. Or, the gas log heater may be installed nearer to the floor if a minimum of 14" of noncombustible mater...

  • Page 17

    17 fireplace preparation figure 12: damper stop installation. (see warning at top of next page.) before fully installing the unit: • turn off the gas supply to the fireplace or firebox. • seal any fresh air vents and/or ash clean-out doors located on the floor or wall of the fireplace. If left unsea...

  • Page 18

    18 figure 13: securing heater to floor of fireplace/firebox assembly procedure: 1. Center the gas log unit in the fireplace or firebox. Make certain the front feet of the grate sit inside the front edge of the fireplace or firebox. 2. An anchor hole is provided in the two bottom side members of the ...

  • Page 19

    19 notice: a qualified gas appliance installer must connect the heater to the gas supply. Consult all local codes. Connecting the gas important: hold heater valve firmly with a wrench to prevent movement when connecting to inlet piping. Always use an external regulator for all propane/l.P.G. Heaters...

  • Page 20

    20 checking gas pressure the heater gas inlet connection is a 3/8" npt at the valve. On units with millivolt control, the inlet connection is on the left side, when you face the unit. On units with manual control, the inlet connec- tion is on the right. To connect from the opposite side, route the p...

  • Page 21

    21 electrical wiring (millivolt) figure 16: wiring diagram 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 wall switch or thermostat. At the other end, connect one wire to tp/th and one wire to...

  • Page 22

    22 a. Complete millivolt system check ("a" reading - thermostat contacts closed - control knob "on" - main burner should be come on) a. If the reading is more than 100 millivolts and the automatic valve still does not come on - replace the control. B. If the closed circuit reading ("a" reading) is l...

  • Page 23

    23 log placement before you begin: this unit is supplied with a set of four or five 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 trac...

  • Page 24

    24 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. It should just touch ...

  • Page 25

    25 the front burner flames are blue, becoming yellowish as they hit the bumps on the face of the log #2. The face of log #2 will glow a bright reddish orange when the heater is in operation. Note: when the log set is turned on for the very first time, the front burner flames will appear an opaque or...

  • Page 26

    26 w arning operating instructions for your safety read before lighting figure 23: location of piezo ignitor & control knob if you do not follow these instruction exactly, a fire or explosion may result causing property damage, personal injury or loss of life. A. This heater is equipped with an igni...

  • Page 27

    27 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. Refer to figure 23 for the location of the piezo ignitor and control knob. Push in gas control knob slight...

  • Page 28

    28 24d0601 to turn off gas to heater 1. Turn control knob clockwise to off position to completely shut off the heater. 2. If applicable: turn on/off switch to off position and/or set thermostat (if present) to lowest setting. 3. If applicable: turn off all electric power to the heater. 1. Stop! Read...

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    29 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 flame to th...

  • Page 30

    30 annual inspection and cleaning by your dealer or qualified service technician is recommended to prevent malfunction and/or sooting. Cleaning and servicing turn off heater and allow to cool before cleaning. Disconnect electrical power (optional blower) before cleaning or servicing. Wa r n ing remo...

  • Page 31

    31 wlx weathered split logs replacement parts are available through your retailer. Replacement parts list 4 3 2 1 item description qty wlx 18 wlx 24 wlx 28 wlx weathered split logs wlx 18 wlx 24 wlx 28 1 log front 1 26d0628 26d0632 26d0636 2 log center 1 26d0629 26d0633 26d0637 3 log rear 1 26d0630 ...

  • Page 32

    32 replacement parts list replacement parts are available through your retailer. Accessories connector, flex flexcon 30 all models switch, wall kit mvws millivolt only thermostat, wall kit mvwts millivolt only remote, hand held mvhhr millivolt only remote, hand held thermostat mvhhr-t millivolt only...

  • Page 33

    33 illustration 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 prop- erty damage or personal injury. 1 3 2 7 9 8 8 10 10 4 4 4 6 5 11.

  • Page 34

    34 problem when ignitor button is pressed, there is no spark at ods/pilot. Appliance produces un- wanted odors. Appliance shuts off dur- ing use. Gas odor even when con- trol knob is in off posi- tion. When ignitor button is pressed, there is spark at ods pilot, but no ignition. Note: all troublesho...

  • Page 35

    35 remedy 4. Thermocouple connection loose at con- trol valve. 5. Pilot flame not touching thermocouple, which allows thermocouple to cool, caus- ing pilot flame to go out. This problem could be caused by either low gas pressure, or a dirty or partially clogged ods/pilot. 6. Thermocouple damaged. 7....

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    36 notes:.

  • Page 37

    37 authorized dealers watson's cincinnati 2721 east sharon road cincinnati, ohio 45241 tel: (513) 326-1120 watson's dayton 4399 state route 725 bellbrook, ohio 45305 tel: (937) 848-2323 watson's indianapolis 6283 oaklandon road indianapolis, indiana 46236 tel: (317) 823-4448 watson's kansas 5101 bri...

  • Page 38

    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 for 5 year...