Monessen Hearth DLX18 manual

This is an un vented gas-fired heater . It uses air (o xygen) from the room in which it is installed. Provisions f or adequate comb ustion and v entilation air must be pro vided. Ref er to page 7. READ AND SA VE THESE INSTR UCTIONS W ARNINGS If the information in this man ual is not f ollowed e xactly , a fire or explosion ma y result causing pr op[...]

2 14D2099 CONTENTS CONTENTS ........................................................................................................................................................... 2 IMPOR T ANT SAFETY INFORMA TION ................................................................................................... .......... 3 GETTING ST AR TED .[...]

14D2099 3 10. This unit complies with ANSI Z21.11.2b-1998 Un v ented Heaters and also complies with ANSI Z21.60-1996 Deco- rative V ented Appliances for Solid Fuel Burning Fire- places. State and local codes may only allo w operation of this appliance in a v ented configuration. Check your state or local codes. For v ented operation, see “VENTED [...]

4 14D2099 IMPOR T ANT SAFETY INFORMA TION This appliance may be installed in an aftermar - k et, permanently located, manufactur ed (mobile) home, where not pr ohibited by local codes. This appliance is only for use with the type of g as indicated on the rating plate. This appliance is not con vertible f or use with other gases. Continued fr om pa [...]

14D2099 5 CA UTION Handle the gas log b urner assembl y b y the grate only . Do not pic k the unit up by the b urners. Gloves are recommended when handling ceramic fiber logs to pre vent skin irritation from loose fiber s. Logs are fragile — handle with care. MAKE SURE Y OU HA VE RECEIVED ALL P ARTS: Check your packing list to verify that all lis[...]

6 14D2099 PROP ANE / LPG Note: An e xternal regulator is required to reduce supply pressure to a maxim um of 13" w. c. MANU AL / T -ST A T PRESSURE MILLIV OL T PRESSURE Regulator Pressure Setting: 10" w .c. Regulator Pressure Setting: 10" w .c. Gas Inlet Pressure: Maximum 13" w .c. Gas Inlet Pressure: Maximum 13" w .c. Mini[...]

14D2099 7 Thermostat control has three (3) positions: OFF -A ll gas to the gas logs is shut of f at the v alv e. IGN -V alve position to light/maintain a standing pilot. LO W/HI -V ariable position corresponding to desired temperature. Both front and rear b urners are in operation to provide realistic glo w and yello w flame. Milli-V olt control ha[...]

8 14D2099 W H W ARNING If the area in which the heater ma y be operated is smaller than that defined as an unconfined space or if the b uilding is of unusuall y tight construction, pro vide adequate comb ustion and ventilation air b y one of the methods described in the National Fuel Gas Code, ANSI Z223.1, Section 5.3 or applicable local codes. The[...]

14D2099 9 A C D B W ARNING W ARNING Model A B C D DLX18/GLX18 17 1/ 2 "1 3 1 / 4 " 27" 17" DLX24/GLX24 17 1/ 2 " 14" 29" 17" DLX28/GLX28 21" 14" 33" 17" FIREPLA CE AND HEARTH DIMENSIONS Use manufacturer's installation and clearance requirements as defined in their manual. The LX Serie[...]

10 14D2099 W ARNING Height of Restriction (X) Minimum Depth of Fireplace/Firebo x No restriction 13 1 / 4 " 0 to 1.5" 16" Greater than 1 1 / 2 " to 3" 16" Greater than 3: ANY BARRIER GREA TER THAN THREE INCHES (3") PLA CED IN FRONT OF THE GAS LOG SET IS NOT RECOMMENDED BY THE MANUF A CTURER. PLA CEMENT IN A FIREPL[...]

14D2099 11 16" 42" W ARNING The dimensions shown in Figures 3 thr ough 11 and defined in the fireplace manufacturer's instructions are minim um clearances to maintain when installing this heater . Left and right clearances are determined when facing the fr ont of the heater . When heater is installed into a ventless firebo x, minimum[...]

12 14D2099 Measure this distance Heater in Fireplace or Firebo x Heat Resistant Material CLEARANCES and HEIGHT REQ UIREMENTS Heat resistant material (minimum requirements) with no w ooden mantel or other combustib le projection: To install the gas logs into a fire place with no wooden mantel, shelf or other combustib le projection abov e the firepl[...]

14D2099 13 Heater in Fireplace or Firebo x 8" or More of Heat Resistant Material Hood HEA T RESIST ANT REQUIREMENTS FOR SAFE INST ALLA TION WITH WOODEN MANTEL, MA TERIAL SHELF OR O THER COMBUSTIBLE PR OJECTION MEASUREMENT DLX/GLX 18 DLX/GLX 24 AND 28 12" or more Hood not required. Obser ve profiles (side Hood not required. Obser ve profil[...]

14 14D2099 Heater in Fireplace or Firebo x Heat Resistant Material 10" 8" 6" 2 1 / 2 " 4 1 / 8 " 6 1 / 2 " 8" 14" 20 1 / 2 " 24 5 / 8 " 28" 3 7 / 8 Heater in Fireplace or Firebo x Heat Resistant Material Hood 10" 12" 8" 6" 2 1 / 2 " 8" 14 1 / 2 " 18 5 / 8 &quo[...]

14D2099 15 Heater in Fireplace or Firebo x Heat Resistant Material 10" and Less 12" 28" Minimum of 8" Heat Resistant Material Mantel Hood 2 1 / 2 " 8" 6" 7" 14 1 / 2 " 4" F igure 10 is an example of an unsafe mantel installa- tion. This mantel projects 4" at 8" abov e the opening, e xceedi[...]

16 14D2099 Heater in Fireplace or Firebo x 5" Minimum Combustib le Material 14" Minimum Heater in Fireplace or Firebo x Combustib le Material This Distance Ma y Now Be Less than 5" FLOOR CLEARANCE The gas log heater must be installed at least 5" abov e any comb ustible flooring material, such as car peting or tile, which is clos[...]

14D2099 17 W ARNING Damper Stop Damper W ARNING Figure 13 - Damper Stop Installation. (See W ARNING at top of next page.) FIREPLA CE PREP ARA TION BEFORE FULL Y INST ALLING THE UNIT : •T u r n OFF the gas supply to the f ireplace or f irebox. • Seal any fresh air v ents and/or ash clean-out doors located on the floor or w all of the fireplace. [...]

18 14D2099 Anchor Screw W ARNING Y ou m ust secure the gas log heater to the fireplace floor . If not, the entire unit may move when y ou adjust the controls. Movement of unit ma y cause shifting of the gas logs which leads to sooting and impr oper b urning. Grate mo vement could cause a gas leak. Special care is required if y ou are installing the[...]

14D2099 19 Pipe Coupling To Heater V alve CA UTION Use ne w blac k iron or steel pipe. Internall y tinned copper or copper tubing can be used per National Fuel Code, section 2.6.3, pro viding gas meets h ydr ogen sulfide limits, and where permitted b y local codes. Gas piping system m ust be sized to pro vide minimum inlet pressure (Listed on Data [...]

20 14D2099 CHECKING GAS PRESSURE W ARNING Connecting directly to an unregulated pr opane/LPG tank can cause an explosion. NPT T est Plug T est P or t “OUT” T est P oints T est all gas joints from the gas meter to the heater v alve for leaks using a g as analyzer or soap and water solution after completing connection. DO NO T USE AN OPEN FLAME. [...]

14D2099 21 CA UTION Label all wires prior to disconnection when servicing controls. Wiring err ors can cause impr oper and dangerous operation. V erify proper operation after servicing. ELECTRICAL WIRING (MILLI-V OL T) The milli-v olt v alv e is a self-po wered combination gas control THA T DOES NOT USE 110 VA C T O OPERA TE. CONNECTING OPTIONAL WA[...]

22 14D2099 S K Y T E C H O F F O N R E M O T E A. COMPLETE MILLIV OL T SYSTEM CHECK (“A” Reading - Thermostat contacts CLOSED - Control Knob “ON” - Main burner should be come ON) a. If the reading is more than 100 milli-volts and the automatic v alv e still does not come on, replace the control. b. If the closed circuit reading (“ A ” r[...]

14D2099 23 W ARNING The positioning of the logs is critical to the safe and c lean operation of this heater . Sooting and other pr oblems ma y result if the logs are not pr operly and firml y positioned in the appliance. Never add ad ditional logs or embellishments suc h as pine cones, vermiculite or r ock w ool to the heater . Onl y use the logs s[...]

24 14D2099 FLAME APPEARANCE Flames fr om the pilot, fr ont and rear burner should be visuall y checked as soon as the heater is installed. In addition, periodically check the flames visually during operation. CHECKING THE PILO T FLAME The pilot flame must al wa ys be present when the heater is in operation. It should just touch the top of the therm[...]

14D2099 25 In normal operation at full rate after 15 minutes, the following flame appearances should be observed: The rear flames abov e and behind log #2, and in front of log #3, may be yello w . The flames should extend approximately 2" - 4" abov e log #2. Refer to F igur e 27. Figure 27 - Correct Appearance of Rear Flames The front fla[...]

26 14D2099 W ARNING Figure 28 - Location of Piezo Ignitor and Contr ol Knob on Manual and Thermostat Unit If y ou do not f ollow these instruction e xactl y , a fire or explosion may result causing pr oper ty damage, personal injury or loss of life. Piezo Ignitor FOR Y OUR SAFETY READ BEFORE LIGHTING A. This appliance is equipped with an ignition d[...]

14D2099 27 Push Push Rotate Rotate Push Rotate OPERA TING INSTR UCTIONS MANU AL CONTROL LIGHTING INSTR UCTIONS 1. STOP! Read the safety information. 2. Make sure the manual shutof f v alv e is fully open. 3. This heater is equipped with an ignition device (piez o) which automatically lights the pilot. 4. Refer to F igur e 28, page 26 for the locati[...]

28 14D2099 W ARNING W ARNING W ARNING OPERA TING INSTRUCTIONS THERMOST A TIC CONTROL LIGHTING INSTR UCTIONS 1. STOP! Read the saf ety information . 2. Make sure the manual shutof f valv e is fully open. 3. This heater is equipped with an ignition de vice (piezo) which automatically lights the pilot. 4. Refer to F igur e 28, pag e 26 for the locatio[...]

14D2099 29 W ARNING W ARNING OPERA TING INSTRUCTIONS MILLI-V OL T CONTROL LIGHTING INSTR UCTIONS 1. ST OP! Read the safety information label. 2. Make sure the manual shutof f valv e is fully open. 3. This gas log set is equipped with an ignition de vice (piezo) which automatically lights the pilot. If piezo ignitor does not light the pilot, refer t[...]

30 14D2099 OPERA TING INSTRUCTIONS MA TCH LIGHTING INSTR UCTIONS 1. Remo ve an y items necessary for easy access to the pilot (for example: logs, scr eens, etc.). 2. F ollow appropriate lighting instructions found pre viously . Instead of pushing and releasing the piezo button, light a match and hold the flame to the end of the pilot and ignite the[...]

14D2099 31 W ARNING W ARNING Annual inspection and c leaning b y your dealer or qualified service technician is recommended to pre vent malfunction and/or sooting. Remov e f ireplace screen. Carefully lo wer screen from mounting lugs and set aside during cleaning. Refer to instruction manual for installation of screen. DO NO T OPERA TE THE UNIT WIT[...]

32 14D2099 1 6 7 3 2 5 9 8 8 10 10 11 4 4 W ARNING F ailure to position the parts in accordance with these diagrams or failure to use onl y parts specifically appr o ved with this appliance ma y result in pr operty damage or personal injury . REPLA CEMENT P ARTS LIST[...]

14D2099 33 DLX/GLX 18 DLX/GLX 24/28 Item Description Qty Natural Propane Natural Propane Common P arts 1 Front Burner 1 14D0435 14D0435 14D0436 14D0434 2 Rear Burner 1 14D2255 14D9055 14D2257 14D9057 3 Piezo Ignitor 1 14D0503 14D0503 14D0503 14D0503 Manual Contr ol 4 Control V alve 1 00K0910 00K0910 00K0910 00K0910 5R e gulator V alve 1 18D0351 18D[...]

34 14D2099 Item Description Qty DLX 18 DLX 24 DLX 28 LX Golden Oak Logs 1 Front Log 1 14D2015 14D2028 14D2038 2 Center Log 1 14D2016 14D2029 14D2039 3 Rear Log 1 14D2017 14D2030 14D2040 4T op Log 1 14D2094 14D2018 14D2018 LX Aged Split Logs 1 Front Log 1 14D2019 14D2031 14D2041 2 Center Log 1 14D2020 14D2032 14D2042 3 Rear Log 1 14D2021 14D2033 14D[...]

14D2099 35 REPLA CEMENT P ARTS LIST LX Weathered Oak Logs LX Weathered Split Logs 1a 1b 2 3 4 1 2 3 4 LX Chestnut Oak Logs 1 2 3 4[...]

36 14D2099 OBSER VED PROBLEM When ignitor button is pr essed, there is no spark at ODS/pilot. A ppliance pr oduces unwanted odors. A ppliance shuts off during use. Gas odor ev en when control knob is in OFF position. When ignitor button is pr essed, ther e is spark at ODS pilot, but no ignition. POSSIBLE CA USE 1. Ignitor electrode positioned wrong[...]

14D2099 37 If the gas quality is bad, your pilot ma y not sta y lit, the burners ma y pr oduce soot and the heater may bac kfire when lit. If the gas quality or pressure is lo w , contact your local gas supplier immediatel y . W ARNING OBSER VED PROBLEM ODS/pilot lights, but f lame goes out when control knob is r e- leased. One or both bur ners do [...]

38 14D2099 NO TES[...]

14D2099 39 NO TES[...]

October 2000 P/N 14D2099 • Rev . 2 MONESSEN HEAR TH SYSTEMS LIMITED LIFETIME W ARRANTY POLICY LIFETIME WARRANTY The following components are w arranted for life to the original o wner, subject of proof of purchase: Fir ebox, Combustion Chamber , Heat Exchanger , Grate and Stainless Steel Burners. FIVE YEAR WARRANTY The follo wing components are w[...]