Mendota DXV35DT4 Assembly, Installation And Operating Instructions Download Page 1

85-03-01136 

ML39 

 

Installation and Operating Instructions 

MODEL NO. ML39 FULLVIEW DIRECT VENT GAS FIREPLACE HEATER 

 
 

 
 

WARNING:

 If the information in these instructions 

is not followed exactly, a fire or explosion may 
result causing property damage, personal injury or 
loss of life. 

 

AVERTISSEMENT

. Assurez-vous de bien suivre les 

instructions données dans cette notice pour réduire au 
minimum le risque d'incendie ou d'explosion ou pour 
éviter tout dommage matériel, toute blessure ou la mort. 

- Do not store or use gasoline or other flammable 
vapors and liquids in the vicinity of this or any other 
appliance. 
- WHAT TO DO IF YOU SMELL GAS 

Do not try to light any appliance. 

Do 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 supplier, call 
the fire department. 

- Installation and service must be performed by a 
qualified installer, service agency or the gas 
supplier. 

Ne pas entreposer ni utiliser d'essence ni d'autres vapeurs 
ou liquids inflammables dans le voisinage de cet appareil 
ou de tout autre appareil.  
- QUE FAIRE SI VOUS SENTEZ UNE ODEUR DE GAZ:  

• Ne pas tenter d'allumer d'

appareil.  

• Ne touchez à aucun interrupteur. Ne pas vous servir des 

téléphones se trouvant dans le bâtiment où vous trouvez.  

• Appelez immédiatement votre fournisseur de gaz depuis 

un voisin. Suivez les instructions du fournisseur.  

• Si vous ne pouvez r

ejoindre le fournisseur de gaz, 

appelez le service des incendies.  
- L'installation et l'entretien doivent être assurés par un 
installateur ou un service d'entretien qualifié ou par le 
fournisseur de gaz.  
 

This appliance may be installed in an aftermarket, 
permanently located, manufactured home (USA 
only) or 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 with other gasses, unless a 
certified kit is used. 

 Cet appareil peut être installé dans une maison 
préfabriquée (É.-U. seulement) ou mobile déjà installée à 
demeure si les règlements locaux le permettent.  
Cet appareil doit être utilisé uniquement avec les types de 
gaz indiqués sur la plaque signalétique. Une trousse de 
conversion est fournie avec cet appareil. 

A barrier designed to reduce the risk of burns from 
the hot viewing glass is provided with this appliance 
and must be installed. 

 Une barrière conçue pour réduire le risque de brûlures 
du verre chaud est fournie avec cet appareil et doit être 
installée. 

Summary of Contents for DXV35DT4

Page 1: ...SENTEZ UNE ODEUR DE GAZ Ne pas tenter d allumer d appareil Ne touchez aucun interrupteur Ne pas vous servir des t l phones se trouvant dans le b timent o vous trouvez Appelez imm diatement votre four...

Page 2: ...85 03 01136 ML39 HOMEOWNER NOTES...

Page 3: ...mpleted all smoking will have stopped Some slight odors may remain With subsequent use of this Fireplace odors will slowly dissipate and disappear ODOR RISKS If this appliance is not operated for an e...

Page 4: ...3 3 2 12 4 1 Paint Types Approved for Use 28 3 2 12 4 2 Sealants Type Approved for Use 28 3 2 12 4 3 Wood Application Cautions 28 3 3 ELECTRICAL TECHNICAL REFERENCES 39 3 4 PLUMBING TECHNICAL REFERENC...

Page 5: ...G INSTRUCTIONS 70 5 6 HOW DO I CHANGE FROM CELSIUS TO FAHRENHEIT 71 5 7 IPI AND CPI MODES 72 5 8 FIRST TIME LIGHTING INSTRUCTIONS 72 5 9 FREQUENTLY ASKED QUESTIONS 74 6 1 REQUIRED PERIODIC INSPECTIONS...

Page 6: ...s for details on installation requirements The Mendota Fireplace must be vented to the outside in accordance with the latest edition of the National Fuel Gas Code In the absence of local codes the ins...

Page 7: ...fireplaces are heat producing appliances Do not burn wood paper or other materials in this fireplace This fireplace is designed as a supplemental heat source It is advisable to have an alternative pr...

Page 8: ...f all obstacles and materials for servicing and proper operation Use only Mendota approved Screens Fronts and Trim Kits Due to high temperature the fireplace should be located out of traffic areas and...

Page 9: ...lace heater is not for use with air filters Foyer au gaz vacuation Ne pas utiliser avec du combustible solide Keep burner and control compartment clean See installation and operating instructions acco...

Page 10: ...Building Code 3 A metal or plastic identification plate shall be permanently mounted to the exterior of the building at a minimum height of eight 8 feet above grade directly in line with the exhaust v...

Page 11: ...wer is running at level three during the first two hours of initial burn After two hours of initial burn allow fireplace to cool Proceed with Mendota Fireplace Curing Instructions Chapter 3 1 1 This f...

Page 12: ...tep 3 Final Curing Cycle With the fireplace still turned on from Step 2 Set the Fan Speed Control to the lowest setting Level 1 If any new curing odors are detected continue to run the fireplace with...

Page 13: ...ctrical Wiring Framing and finishing details Hearth Protection Pad Requirements Whether accessories such as a ceiling fan are desired Selecting Appliance Location When selecting a location for your ap...

Page 14: ...03 01136 ML39 Page 14 Listing Label The listing label is located under the firebox Remove the center access grill and locate the listing plate It is chained to the firebox s leg Figure 3 2 Listing Lab...

Page 15: ...dy as required per code to inform you of important facts You can find these labels on the right side outer surface of this appliance Make certain you heed all the warning and caution statements during...

Page 16: ...85 03 01136 ML39 Page 16 Figure 3 11 Figure 3 10...

Page 17: ...series components throughout the entire vent system MINIMUM CLEARANCES TO COMBUSTIBLE CONSTRUCTION UNIT TO FLOOR 0in 0mm INNER GUIDE EDGE TO ADJACENT SIDEWALL 16in 406 mm UNIT TO ENCLOSURE SIDEWALL 1...

Page 18: ...ials are used this appliance will perform safely Note that the exposed surfaces immediately surrounding the Fireplace can have surface temperatures that are too hot to touch This level of surface temp...

Page 19: ...place Dimensions Caution The distance from floor level to the centerline of the vent cap is based on Simpson DuraVent GS components If using vent components of another brand do not assume that the mea...

Page 20: ...eatures Identification See Figure 3 14 FIREPLACE DIMENSIONS AND FEATURES below Identify the features included with this Fireplace and their locations WARNING VENT IS NOT CENTERED ON THE UNIT Figure 3...

Page 21: ...s Fireplace is installed in Lifting Handles Four lifting handles one on each side and two on the rear wall are provided The lifting handles make it easy for two individuals to lift and transport this...

Page 22: ...a cavity deeper than 22 all framing and finishing materials protruding past the front face of this fireplace must be of the NON COMBUSTIBLE variety WARNING VENT IS NOT CENTERED ON THE UNIT Minimum Re...

Page 23: ...any manner Wall ceiling base plate and cantilever floor of the chase should be insulated Vapor and air infiltration barriers should be installed in the chase as per regional codes for the rest of the...

Page 24: ...er combustible walls and decorative objects must fall behind a 45 degree line extending outward from the inner guide side edge unless such objects are more than 16 away from the inner guide side edge...

Page 25: ...s method of protection if the required horizontal clearance was 16 the resulting clearance will be reduced by 50 to 8 between the heat source and the R 1 Rated wall board Clearances to Combustible Man...

Page 26: ...a minimum 48 hours cure time for the silicone to cure before firing this Fireplace after tile application Marble Granite and Natural Stones Marble granite and other natural stone products are approved...

Page 27: ...facings that have a polyester resin coating Consult with your local stone supplier Prior to use of any marble granite or polished stone facing material especially white colored ones run heat exposure...

Page 28: ...has been chemically cleaned or bleached prior to staining or painting it is of the utmost importance to make certain that the cleaner or bleach does not remain in the wood substrate under the final pa...

Page 29: ...uired Option 1 employs the inner guides that are factory installed Option 1 requires that your finish material be less than 2 5 thick including backing materials and reasonably flat If your finish mat...

Page 30: ...cking materials and reasonably flat If they are not use Option 3 Use the reference chart or pricing to ensure you have the necessary guides templates Option 3 Installing Front Flush Or Recessed Into W...

Page 31: ...fic instructions provided in this section Failure to follow instructions can lead to heat related damage to TVs installed above this fireplace There are three options available for adding a flat panel...

Page 32: ...is not available on M27 model fireplaces Install an optional Cool Wall Kit on the Fireplace The Cool Wall System reduces the temperatures on the wall above the fireplace significantly This allows a Fl...

Page 33: ...local building codes SAFETY PRECAUTIONS FOR THE INSTALLER 1 Wear gloves and safety glasses for protection 2 Exercise extreme caution when using ladders or on rooftops and 3 be aware of electrical wiri...

Page 34: ...ents and venting restrictions ITEM DESCRIPTION 1 6 or 7 PIPE DuraVent 6 Amerivent 7 9 12 2 12 VENT STACK 3 24 VENT STACK 4 36 VENT STACK 5 48 VENT STACK 6 90 GALVANIZED ELBOW 6a 45 GALVANIZED ELBOW 7...

Page 35: ...1 H1 H STRAIGHT UP VERTICAL VENTING THREE HORIZONTAL DISCHARGE 90 ELBOWS VERTICAL RISE TRIPLE 90 ELBOWS VERTICAL TERMINATION VERTICAL RISE TRIPLE 90 ELBOWS HORIZONTAL TERMINATION VERTICAL RISE DUAL 90...

Page 36: ...nce to non mechanical air supply inlet to building or the combustion air inlet to any other appliance 12 inches 30 cm minimum D Vertical clearance to ventilated soffit located above the terminal from...

Page 37: ...liances are terminated next to each other the minimum required distance between the vertical center line of the vent caps is 18 to prevent recirculation of exhaust from one vent cap outlet into the ai...

Page 38: ...ve cover on sides all of the vent cap 3 Fresh air openings shall be provided at a level equal to or below the fresh air openings in the vent cap The fresh air openings shall provide a minimum open are...

Page 39: ...on box cover plate secured with four screws route the 3wire end of an extension cord or house power wire cable through the strain reliefs in the cover plate 2 Locate in the manual packet the plug show...

Page 40: ...es are supplied and are White and Beige in color If the home d cor requires a different color other than the two supplied colors obtain one from a local hardware store Make certain that the cover you...

Page 41: ...lacement wires must have the same type and size of insulation as the original This appliance must be electrically connected and grounded in accordance with local codes or in the absence of local codes...

Page 42: ...E THE POSSIBILITY OF CONTAMINANTS ENTERING THE GAS TRAIN ADHERE STRICTLY TO LOCAL AND NATIONAL CODES Gas Supply Line Sizing This Mendota Gas Fireplace comes equipped with a 1 2 N P T Female inlet Gas...

Page 43: ...s supply piping system by closing its equipment shut off valve during any pressure testing of the gas supply piping system at test pressures equal to or less than 1 2 psi 3 5 kPa Drip Leg Requirement...

Page 44: ...d 90 degrees or until it stops Figure 3 36 EMERGENCY GAS SHUTOFF Gas Inlet Fittings Information Caution Before you run the gas line read understand and properly calculate the required gas line size Im...

Page 45: ...ice body has the orifice hole size stamped on it LPG orifice size shall be 50 0 2000ft and 51 2000 5000ft Verify that the manifold gas pressure is within 10 0 WC 1 8 High Altitude De Rating If you are...

Page 46: ...in accordance with instructions All joints are secured twist locked and leak proof Horizontal or vertical vent cap is installed right side up and tightly sealed to structure per instructions Vent Cap...

Page 47: ...Fireplace To remove the outer box identify and remove four Philips head drywall screws that secure a cardboard L pincher at the bottom of each corner of the box Lift the outer box vertically straight...

Page 48: ...lens kits are used on this fireplace Light Lens Assembly Packet HA 88 00167 Light Lens Lens Retainer Bracket w gasket four 10 24 Nuts Lens base gasket Installation Required Owner s Manual Must Leave w...

Page 49: ...removing them will be necessary for Fireplace units which are to be installed in narrow width or shallow depth openings To bend the clips up or to break them off follow these procedures 1 Fireplace th...

Page 50: ...angle and move away from unit Door is now free from unit NOTE Always check glass gasket condition and gasket seal any time the glass door is removed and when reinstalling glass door 4 8 TO REPLACE DOO...

Page 51: ...sing Caution Do not touch the light lens with bare hands Always use the protective foam wrap supplied with the light bulb or a pair of clean cloth or neoprene gloves to handle the light bulb Touching...

Page 52: ...LP gas it is highly recommended that you convert this fireplace and its pressure regulator pilot natural gas LP clip position and burner orifices prior to placing this fireplace in its fireplace cavi...

Page 53: ...will then be free and can be removed from the fireplace 5 You will now be able to access the burner orifice which is located inside the air shutter box Using a deep well socket wrench remove the orif...

Page 54: ...hex shaped base of pilot using a 7 16 open end wrench 10 After the pilot is converted reinstall the burner and floorplate Remember to be careful when placing the floor plate around the pilot to avoid...

Page 55: ...rovided screws F M4 x 0 7 threaded length of thread L 16mm 0 0 5mm steel material resistance class 8 8 Figure 3 12 5 4 Manually thread the two conversion kit mounting screws into the valve body Use a...

Page 56: ...system must be leak proof WARNING Do not proceed with operation of this fireplace unless burner cycles on off without delays Pilot Flame and Burner Relationship Verification Prior to completing the L...

Page 57: ...vented to the outside in accordance with the latest edition of the National Fuel Gas Code In the absence of local codes the installation must conform with National F uel Gas Code ANSI Z223 1 NFPA 54...

Page 58: ...eet if a vertical starter section that is between 4 feet to 12 feet is connected directly to this fireplace s flue starter collar and no more than three 3 90 degree elbows are used Maximum Horizontal...

Page 59: ...me you are using a 3 long starter vertical section This should allow per the Master Venting Chart 22 of horizontal run If you want to use three 90 elbows subtract 6 for two elbows from the 22 maximum...

Page 60: ...nal building codes Do not allow the termination to be easily blocked or obstructed If wall being penetrated is non combustible material i e masonry block brick etc a 9 inch diameter hole is acceptable...

Page 61: ...cate the point where the vent pipe will penetrate the outside wall Be sure all vent components are properly twist locked and leak proof Be sure 1000 F sealant is used in the inner pipe joints of all p...

Page 62: ...e sealed and are leak proof Maintain 1 airspace clearances to combustibles 2 above horizontal runs Cut a 10 x 10 opening in the roof centered in the small drilled hole placed in the roof in No 1 The o...

Page 63: ...me and effort in the design of this fireplace and its venting system Through this effort Mendota has been able to certify the use of Four 900 elbows The use of Four 900 elbows must meet some minimum p...

Page 64: ...characteristics after 20 minutes of burn time If the flames ghost off burners or if sooting occurs in LPG units open the vent damper FULLY and work backwards in increments to determine the correct da...

Page 65: ...be completed Carefully follow all lighting and log installation instructions Make certain that pilot flame and burner light correctly Gas leaks and gas pressures prior to installing facing materials...

Page 66: ...rt the glass latch tool tip in the ring terminal s ring hole Push the cable to close the air shutter or pull on the cable to open the air shutter 1 If flame is too blue close air shutter in small 1 8...

Page 67: ...room In addition to offering the most realistic log details textures coloration and the most realistic wood fire options Mendota also offers a large array of internal firebox lining options and extern...

Page 68: ...en the master switch is in the on condition the main burners will function as designed In case of an emergency toggle the master switch to off to turn off the main burners To synchronize the fireplace...

Page 69: ...ur if the remote control is moved to another room or if the remote batteries are very weak b Normal Thermostat On In this mode the fireplace will turn itself on and off depending on the temperature yo...

Page 70: ...Smart Thermostat a If the thermostat icon displays as OFF Manual the fireplace will ignite and start on Hi b If the thermostat icon displays as ON Normal Thermostat the fireplace will only ignite if...

Page 71: ...peed can be adjusted through six speeds and off To activate this function press the Mode button until it displays the fan icon Use the up down arrow button to turn on off or adjust the fan speed Once...

Page 72: ...updraft during burner ignition and it will also eliminate excessive condensation of exhaust vapors on the door glass Leaving the fireplace in CPI mode will keep the fireplace body warm and eliminate...

Page 73: ...to light the system will lockout Press ON OFF button on remote control to Turn Off the system and reset the lockout Allow five minutes for any gas in the unit to dissipate before attempting to re lig...

Page 74: ...I find the model and serial numbers When requesting service you will be asked to provide the model number and serial number to your Mendota dealer This information will expedite the warranty verifica...

Page 75: ...y wiring under the burner for melting or damage 2 Clean pilot light flame sensor rod and sparker rod using emery cloth Vacuum clean pilot light assembly 3 Visual check of pilot flames is required Pilo...

Page 76: ...under warranty What should I do if my fireplace is sooting Sooting is caused by improper installation or air shutter operation However some small areas of soot deposits on log surfaces are deemed acce...

Page 77: ...you see set the thermostat button is now enabled 5 If you see clear the thermostat button is disabled 6 Repeat this procedure if you did not see set or clear to add remove the thermostat option Why wo...

Page 78: ...glass should be cleaned periodically Exterior glass surface may be cleaned with cleaner as desired To clean Interior glass surface remove glass frame assembly See 4 7 To Remove Door Use Kel Kem polis...

Page 79: ...d calculation of proper main burner orifice sizes prior to first firing It is known that unpurified Natural Gas from backyard wells can contain high energy levels causing over firing Further unpurifie...

Page 80: ...ilot can then be disconnected from the pilot bracket and removed from the fireplace Burner To remove the burner first remove the 4 screws holding the feet of the burner to the floor plate Then rotate...

Page 81: ...the airbox and lift it out of the fireplace Next remove the explosion plate panels The blowers are located under these panels towards the rear of the fireplace The blower assemblies are attached to th...

Page 82: ...s Figure 6 4 ML39 Light Assembly Parts Gas Train Assembly Parts HA 77 00357 HA 88 00168 HA 58 04606 10 11 00020 10 11 00025 LIGHT COVER CLIP LENS RETAINER BRACKET WITH GASKET ACCENT LIGHT HOUSING LIGH...

Page 83: ...esive on the gasket should contact the glass surface Use tracer lines in gasket to determine where the glass should sit on the gasket surface 4 Place glass and gasket assembly in glass frame and caref...

Page 84: ...or gas leaks per manual Plumbing Check for correct gas pressure at manifold per manual Manifold pressure to be 3 5 Inches Water Column maximum Nat Gas plus or minus 1 8 Manifold pressure to be 10 Inch...

Page 85: ...ifetime 2 years 1 year 90 days Labor Coverage Years Firebox and Heat Exchanger 5 Glass thermal breakage only 2 Stainless steel burner tubes Ceramic Burners 2 All Castings 2 Valve assembly and all gas...

Page 86: ...be defective prior to processing or authorizing of any claim Failure to allow this upon request will void the warranty All warranty claims must be submitted by the dealer servicing the claim includin...

Page 87: ...covered under the terms of this warranty Freight damages for products or parts are not covered under the terms of the warranty Products made or provided by other manufacturers and used in conjunction...

Page 88: ...to qualify for the Lifetime Limited Warranty within 30 days Product registration will activate your Lifetime Limited Warranty Owners should complete the forms available at http mendotahearth com gas f...

Page 89: ...Thank you for choosing Mendota...

Page 90: ...Johnson Gas Appliance Company 520 E Avenue NW Cedar Rapids Iowa 52405 Mendota Warranty Registration...

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