Superior Fireplaces MHD 35 Series Installation And Operation Instructions Manual

Direct-vent gas fireplace

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P/N 900414-00 REV. C 12/2015
Ce manuel est disponible en francais, simplement
en faire la demande. Numéro de la pièce 900414-01.
P900414-00
INSTALLER: Leave this manual with the appliance.
CONSUMER: Retain this manual for future
reference.
This appliance may be installed as an OEM installation in a manufactured home (USA only) or mobile home and
must be installed in accordance with the manufacturer's instructions and the Manufactured Home Construction
and Safety Standard, Title 24 CFR, Part 3280, in the United States, or the Standard for Installation in Mobile
Homes, CAN/CSA Z240 MH, in Canada. This appliance is only for use with the type(s) of gas indicated on the
rating plate. A conversion kit is supplied with the appliance.
Cet appareil peut être installé comme du matériel d'origine dans une maison préfabriquée (É.-U. seulement)
ou mobile et doit être installé selon les instruc! ons du fabricant et conformément à la norme Manufactured
Home Construction and Safety Standard, Title 24 CFR, Part 3280 aux États-Unis ou à la norme CAN/CSA Z240
Série MM, Maisons mobiles au Canada. Cet appareil doit être u! lisé uniquement avec les types de gaz indi-
qués sur la plaque signalé! que. Une trousse de conversion est fournie avec l'appareil.
WARNING:
FIRE OR EXPLOSION HAZARD
Failure to follow safety warnings exactly could
result in serious injury, death, or property damage.
- 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.
• Leave the building immediately.
• Immediately call your gas supplier from a neigh-
bor's phone. Follow the gas supplier's instruc-
tions.
• 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.
Installation and Operation Instructions
MHD 35/40 Series Direct-Vent Gas Fireplaces
Models
PFS
®
C
US
Report No. F13-094
Installateur : Laissez cette notice avec l'appareil.
Consommateur : Conservez cette notice pour
consultation ultérieure.
MHD35DMN
MHD35DMP
AVERTISSEMENT:
RISQUED'INDENDIE OU D'EXPLOSION
Le non-respect Des avertissements de sécurité
pourrait d'entraîner des blessures graves, la mort
ou des dommages matériels.
- Ne pas entreposer ni utilizer d'essence ni d'autres
vapeurs ou liquides 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 aucan interrupteur. Ne pas vous servir
des téléphones se trouvant dans le bâtiment où
vous trouvez.
• Sortez immédiatement de bâtiment.
• Appelez immédiatement votre fournisseur de
gaz depuis un voisin. Suivez les instructions du
fournisseur.
• Si vous ne pouvez rejoindre le fournisseur de gaz,
appelez le service des incindies.
- L'installation et l'entretien doivent être assurés par
un installateur ou un service d'entretien qualifié
ou par le fournisseur de gaz.
MHD40DMN
MHD40DMP

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  • Page 1 Installation and Operation Instructions MHD 35/40 Series Direct-Vent Gas Fireplaces Models P/N 900414-00 REV. C 12/2015 Ce manuel est disponible en francais, simplement en faire la demande. Numéro de la pièce 900414-01. MHD35DMN MHD40DMN ® MHD35DMP MHD40DMP Report No. F13-094 P900414-00 INSTALLER: Leave this manual with the appliance.
  • Page 2: General Information

    Innovative Hearth Products General Information MHD 35/40 Series Direct-Vent Gas Fireplaces 900414-00 12/2015 SAFETY AND YOUR FIREPLACE See attached color flyer for proper color representation DANGER HOT GLASS WILL CAUSE BURNS. DO NOT TOUCH GLASS UNTIL COOLED. NEVER ALLOW CHILDREN TO TOUCH GLASS.
  • Page 3 Innovative Hearth Products General Information MHD 35/40 Series Direct-Vent Gas Fireplaces 900414-00 12/2015 La sécurité et Safety and Your Seguridad y su votre foyer Fireplace chimenea All parts of your ¡Todas las partes de la Toutes les parties de votre IHP fireplace get chimenea IHP se ponen foyer IHP deviennent...
  • Page 4: Table Of Contents

    Innovative Hearth Products General Information MHD 35/40 Series Direct-Vent Gas Fireplaces 900414-00 12/2015 THANK YOU FOR YOUR PURCHASE. WE APPRECIATE YOUR BUSINESS! Please carefully read and follow all instructions in this manual. Pay special attention to all warnings and safety information.
  • Page 5: Important Safety Information

    Innovative Hearth Products General Information MHD 35/40 Series Direct-Vent Gas Fireplaces 900414-00 12/2015 IMPORTANT SAFETY INFORMATION Important Safety Informa- L’information de sûreté Información importante de tion importante seguridad 1. WARNING: Do not operate appliance 1. AVERTISSEMENT. Ne pas utiliser l’appareil 1.
  • Page 6: Fireplace Installation, Operation, And Maintenance Notices

    Innovative Hearth Products General Information MHD 35/40 Series Direct-Vent Gas Fireplaces 900414-00 12/2015 APPLIANCE INSTALLATION, SERVICE, AND MAINTENANCE NOTICES WARNING Improper installation, adjustment, alteration, service or maintenance can cause injury or property damage. Refer to this manual. For assistance or additional information consult a qualified installer, service agency or the gas supplier.
  • Page 7 Innovative Hearth Products General Information MHD 35/40 Series Direct-Vent Gas Fireplaces 900414-00 12/2015 APPLIANCE OPERATION NOTICES These fireplaces are vented gas appliances. Do not burn wood or other material in these appliances. These appliances are designed to operate on natural gas or propane gas only. The use of other fuels or combinations of fuels will degrade the performance of this system and may be dangerous.
  • Page 8: Packaging

    Innovative Hearth Products General Information MHD 35/40 Series Direct-Vent Gas Fireplaces 900414-00 12/2015 INSTALLATION PACKAGING All models include The assembled vented gas fireplace heater is packaged with: • Literature Kit (envelope in bottom compartment containing Installation and Operation Instructions (this manual), Hot Glass Safety Flyer, and Safety-In-Operation Warning Labels) •...
  • Page 9: Gas Pressure

    Innovative Hearth Products General Information MHD 35/40 Series Direct-Vent Gas Fireplaces 900414-00 12/2015 BTU Input Table 1 - Input Rate (BTU/HR), Gas Valves Natural Gas Propane Gas Models High Rate Low Rate High Rate Low Rate 35” Models 16,000 11,000 15,000 11,000 40”...
  • Page 10: Requirements For The Commonwealth Of Massachusetts

    Innovative Hearth Products General Information MHD 35/40 Series Direct-Vent Gas Fireplaces 900414-00 12/2015 Orifice Sizes—Sea Level to High Altitude These fireplaces are tested and approved for installation at elevations of 0–4500 ft (0–1372 m) above sea level using the standard burner orifice sizes (Table 5). For elevations above 4500 ft, contact your gas supplier or qualified service technician.
  • Page 11: Manufactured Home Requirements

    Innovative Hearth Products General Information MHD 35/40 Series Direct-Vent Gas Fireplaces 900414-00 12/2015 MANUFACTURED HOME REQUIREMENTS This appliance may be installed in an aftermarket, permanently located, manufactured home (USA only) or mobile home, where not prohibited by local codes. Cet appareil peut être installé dans une maison préfabriquée (mobile) déjà installée à demeure si les règlements locaux le permettent.
  • Page 12: Vent Termination Clearances

    Innovative Hearth Products General Information MHD 35/40 Series Direct-Vent Gas Fireplaces 900414-00 12/2015 VENT TERMINATION CLEARANCES These instructions should be used as a guideline and do not supersede local codes in any way. Install venting according to local codes, these instructions, the current National Fuel Gas Code (ANSI Z223.1/NFPA 54) in the USA or the current standards of CAN/CGA-B149.1 in Canada.
  • Page 13 Innovative Hearth Products General Information MHD 35/40 Series Direct-Vent Gas Fireplaces 900414-00 12/2015 Table 7 - Horizontal vent termination clearances for buildings with combustible and noncumbustible exteriors Inside Corner Outside Corner Recessed Location See Table 6 Fixed Balcony with No Side Wall Balcony with Perpendicular Side Wall Openable Fixed Closed...
  • Page 14: Minimum Clearances To Combustibles

    Innovative Hearth Products General Information MHD 35/40 Series Direct-Vent Gas Fireplaces 900414-00 12/2015 MINIMUM CLEARANCES TO COMBUSTIBLES Fireplace And Vent Clearances The fireplace is approved with zero clearance to combustible materials on all sides (Table 8), with the following exception: The unit may not be recessed (allowance made for mantel legs / side trim in Figure 5). When the unit is installed with one side flush with a wall, the wall on the other side of the unit must not extend beyond the front edge of the unit (Figure 5).
  • Page 15: Wall Finishes / Surrounds / Mantels

    Innovative Hearth Products General Information MHD 35/40 Series Direct-Vent Gas Fireplaces 900414-00 12/2015 Figure 5 - Combustible Side Clearances Figure 6 - Mantel Height At 6” minimum side wall At 6 in. minimum clearance, a Mantel depth side wall clearance, combustible Top View of Top View of...
  • Page 16: Installation

    Innovative Hearth Products Installation MHD 35/40 Series Direct-Vent Gas Fireplaces 900414-00 12/2015 INSTALLATION SEQUENCE The typical sequence of installation is outlined below; however, each installation is unique and may result in variations to the steps described. See the pages referenced in the following steps for detailed instructions. Framing 1.
  • Page 17 Innovative Hearth Products Installation MHD 35/40 Series Direct-Vent Gas Fireplaces 900414-00 12/2015 Table 10 - Fireplace Framing Specifications Model Framing NOTE: Dimension “D” is the construction to be 10-1/2 required framing depth when 41-1/2’ 36-1/2 38-3/4 23-3/8 2 x 4, or larger. 35”...
  • Page 18: Prepare The Fireplace Top Spacers

    Innovative Hearth Products Installation MHD 35/40 Series Direct-Vent Gas Fireplaces 900414-00 12/2015 Prepare the Fireplace Top Spacers 1. The two (2) 4” standoff spacers on top of the fireplace cabinet are shipped flat. Remove the screw adjacent to the detached end (Figure 7). 2.
  • Page 19: Determine Vent Setup In The Combination Venting Unit

    Innovative Hearth Products Installation MHD 35/40 Series Direct-Vent Gas Fireplaces 900414-00 12/2015 Determining Vent Setup in the Combination Venting Unit Combination venting units are shipped with rear venting setup nearly ready for install. If this is the type of vent you require, remove all insulation packing and flue plug block off from rear venting and proceed with fireplace installation.
  • Page 20: Rough In The Electrical Supply, If Needed

    Innovative Hearth Products Installation MHD 35/40 Series Direct-Vent Gas Fireplaces 900414-00 12/2015 Rough in the Electrical Supply, if Needed As necessary, rough in the fireplace electrical supply per NEC and local codes. Install the [Optional] Blower Kit before Installation in the Framing 1.
  • Page 21 Innovative Hearth Products Installation MHD 35/40 Series Direct-Vent Gas Fireplaces 900414-00 12/2015 Install the Vent Restrictor (if necessary) 1. Use the vent run descriptions in Figure 11 to determine if a vent restrictor is necessary. U-Shaped Vent Restrictor 2. If necessary, assemble the vent restrictor and wing as detailed in Figure 14. U-Shaped Vent 3.
  • Page 22 Innovative Hearth Products Installation MHD 35/40 Series Direct-Vent Gas Fireplaces 900414-00 12/2015 Vent Restrictor with Horizontal Terminations When horizontally terminating a vent system with a vertical vent run up to 4 ft through an exterior wall, no vent restrictor is required. If installing more than 6 ft of vertical venting, install the restrictor (Figure 14, Page 21), from inside or outside the unit, in the inner fireplace collar.
  • Page 23 Innovative Hearth Products Installation MHD 35/40 Series Direct-Vent Gas Fireplaces 900414-00 12/2015 Vent section length table Table 14 will assist calculating how many vent sections are needed for the planned vent configuration. When a vent section is engaged with another section, its effective length will be 1-1/2” shorter. Table 14 - Vent Section Length Nominal Section Nominal Section Length...
  • Page 24 Innovative Hearth Products Installation MHD 35/40 Series Direct-Vent Gas Fireplaces 900414-00 12/2015 Clearance to combustibles Maintain the minimum clearance to combustibles (e.g., framing, attic, ceiling insulation, etc.). For all vertical runs: • 1” (26 mm) from all sides NOTE: Attic insulation shield (H3907, see Page 45) must be installed when blown or loose-fill insulation is used, and is required for all attic installations.
  • Page 25 Innovative Hearth Products Installation MHD 35/40 Series Direct-Vent Gas Fireplaces 900414-00 12/2015 Ensure clearances are in accordance with local installation codes and the requirements of the gas supplier. Dégagement conforme aux codes d’installa tion locaux et aux exigences du foumisseunde gaz. Vertical vent systems terminate through the roof.
  • Page 26 Innovative Hearth Products Installation MHD 35/40 Series Direct-Vent Gas Fireplaces 900414-00 12/2015 Figure 23 - Framing the ceiling opening Figure 24 - Rear vent gasket minimum 10 1/2 in. 10-1/2” (267 mm) (267 mm) minimum minimum 10 1/2 in. 10-1/2” (267 mm) minimum Roof (267 mm) Framing...
  • Page 27 Innovative Hearth Products Installation MHD 35/40 Series Direct-Vent Gas Fireplaces 900414-00 12/2015 9. Continue installation of horizontal/inclined sections—Continue with the installation of the straight vent sections in horizontal/inclined run. Install support straps every 5 ft (1.52 m) along horizontal/inclined vent runs using conventional plumber’s tape.
  • Page 28 Innovative Hearth Products Installation MHD 35/40 Series Direct-Vent Gas Fireplaces 900414-00 12/2015 Vertical Vent Figures/Tables NOTE: Secure Vent rigid vent pipe is shown in the figures; Secure Flex flexible vent pipe may also be used. ® ® NOTE: Rise per foot run ratios are acceptable all the way to level. For best results, maintain the horizontal/inclined run in a straight (no dips), slightly elevated plane of approximately 1/4”...
  • Page 29 Innovative Hearth Products Installation MHD 35/40 Series Direct-Vent Gas Fireplaces 900414-00 12/2015 Table 17 - Top Vent—Two 90° Elbows Table 18 - Rear Vent—Three Elbows Table 19 - Top Vent—Three Elbows When using Secure Flex , use ® Ceiling firestop/ ceiling firestop/ spacer SV4.5VF spacer SF4.5VF.
  • Page 30 Innovative Hearth Products Installation MHD 35/40 Series Direct-Vent Gas Fireplaces 900414-00 12/2015 Install the Horizontal Termination Vent System These instructions should be used as a guideline and do not supersede local codes in any way. Install venting according to local codes, these instructions, the current National Fuel Gas Code (ANSI-Z223.1) in the USA or the current standards of CAN/CGA-B149.1 in Canada.
  • Page 31 Innovative Hearth Products Installation MHD 35/40 Series Direct-Vent Gas Fireplaces 900414-00 12/2015 9. Change vent direction—At transition from or to a horizontal/inclined run, install SV4.5E45 or SV4.5E90 elbows in the same manner as the straight vent sections. The elbows feature a twist section to allow them to be routed about the center axis of their initial collar section to align with the required direction of the next vent run element.
  • Page 32 Innovative Hearth Products Installation MHD 35/40 Series Direct-Vent Gas Fireplaces 900414-00 12/2015 Figure 30 - Installing the Horizontal Termination To help minimize water infiltration it Firestop/Spacer (SV4.5HF) shown Typical is recommended that the Firestop/ Termination on the exterior side of the wall. It Shown Spacer (SV4.5HF) be installed on may also be installed on the...
  • Page 33 Innovative Hearth Products Installation MHD 35/40 Series Direct-Vent Gas Fireplaces 900414-00 12/2015 Table 20 - Venting Components Required for Various Exterior Wall Thicknesses, when using Typical Termination Kits Vent Components Required Exterior Wall Thickness Termination Kit Only 6 to 9-1/4” (152 to 235 mm) Termination Kit and 6”...
  • Page 34 Innovative Hearth Products Installation MHD 35/40 Series Direct-Vent Gas Fireplaces 900414-00 12/2015 Table 23 - Top Vent—One 90° Elbow, Elbow Connection NOT at Fireplace H Maximum V Minimum feet meters feet meters 1.524 0.305 3.048 0.610 4.572 0.914 7.62 1.524 Ceiling Min.
  • Page 35 Innovative Hearth Products Installation MHD 35/40 Series Direct-Vent Gas Fireplaces 900414-00 12/2015 Table 26 - Rear Vent—Three 90° Elbows H + H Maximum H Maximum V Minimum Wall firestop/spacer feet meters feet meters feet meters Wall Firestop/Spacer SV4.5HF ** SV4.5HF** 1.524 0.610 0.305...
  • Page 36 Innovative Hearth Products Installation MHD 35/40 Series Direct-Vent Gas Fireplaces 900414-00 12/2015 Vertical or Horizontal Venting Using Secure Flex Kits and Components ® When Secure Flex kits are used in a rear flue, horizontal termination installation, at least 1 ft of vertical rise is required. ®...
  • Page 37 Innovative Hearth Products Installation MHD 35/40 Series Direct-Vent Gas Fireplaces 900414-00 12/2015 d. Slide the outer flexible vent over the adaptor collar. Ensure the flexible vent completely engages the adaptor collar 1-3/4” from the end, and that it is free from damage or tears. e.
  • Page 38 Innovative Hearth Products Installation MHD 35/40 Series Direct-Vent Gas Fireplaces 900414-00 12/2015 2. Wire the control switch within the millivolt control circuit using the 15 ft of 2-conductor wire supplied with the unit (Figure 35). NOTE: The supplied 15 ft of 2-conductor wire has one end of each conductor connected to the gas valve circuit and the other end of each conductor placed loose inside the bottom compartment.
  • Page 39: Connect The Gas Line

    Innovative Hearth Products Installation MHD 35/40 Series Direct-Vent Gas Fireplaces 900414-00 12/2015 Figure 34 - Junction Box Wiring, 120 V, 60 hz, 1 phase Figure 35 - Wiring Diagram— Millivolt Gas Valves Wall-mounted ON/ OFF blower switch THERMOPILE APPLIANCE- MOUNTED or variable speed ON/OFF SWITCH control switch...
  • Page 40: Verify Proper Fireplace Operation

    Innovative Hearth Products Installation MHD 35/40 Series Direct-Vent Gas Fireplaces 900414-00 12/2015 Secure all joints tightly using appropriate tools and sealing compounds (ensure propane resistant compounds are used in propane applications). Optionally, seal around the gas line to prevent cold air leakage. Gas line holes and other openings can be caulked or stuffed with unfaced fiberglass insulation.
  • Page 41: Install The Logs, Volcanic Stone, And Glowing Embers

    Innovative Hearth Products Installation MHD 35/40 Series Direct-Vent Gas Fireplaces 900414-00 12/2015 Traditional Fireplaces: Install the Logs, Volcanic Stone, and Glowing Embers 1. See Page 54 for instructions on Installing the logs, volcanic stone, and glowing embers. Install the Glass Door 1.
  • Page 42: Install The Hood

    Innovative Hearth Products Installation MHD 35/40 Series Direct-Vent Gas Fireplaces 900414-00 12/2015 2. Light the fireplace. Follow the lighting procedure on the lighting label in the control compartment or Page 65. 3. Allow the burner to operate for at least fifteen (15) minutes while observing the flame continuously to ensure that the proper flame appearance is achieved (Figure 40).
  • Page 43: Install The Finishing Materials

    Innovative Hearth Products Installation MHD 35/40 Series Direct-Vent Gas Fireplaces 900414-00 12/2015 1. Open the control compartment door (Page 52). 2. Hold the barrier in front of the glass door and slide it up into the slots above the glass door and under the hood. 3.
  • Page 44 Innovative Hearth Products Installation MHD 35/40 Series Direct-Vent Gas Fireplaces 900414-00 12/2015 INSTALLER - ATTACHING SAFETY-IN-OPERATION WARNINGS It is the installers responsibility to ensure these warnings are properly affixed during installation. These warning labels are a critical step in informing consumers of safe operation of this appliance. ATTACHING SAFETY IN OPERATION WARNINGS APPOSITION DES MISES EN GARDE RELATIVES COLOCACIÓN DE ADVERTENCIAS DE SEGURIDAD...
  • Page 45: Installation Accessories

    Innovative Hearth Products Installation MHD 35/40 Series Direct-Vent Gas Fireplaces 900414-00 12/2015 INSTALLATION ACCESSORIES Table 30 - Listed Secure Vent Components ® 77L78 SV4.5F Flat Roof Flashing Horizontal Square Termination H1968 SV4.5HT-2 with Firestop/Spacer (H2246), 77L79 SV4.5FA 1/12 to 7/12 Adjustable Flashing and Adaptor (74L61) 7/12 to 12/12 Adjustable 77L80...
  • Page 46 Innovative Hearth Products Installation MHD 35/40 Series Direct-Vent Gas Fireplaces 900414-00 12/2015 Table 31 - Listed Secure Vent Components ® Mill-Pac, Black, High- 96K93 SV4.5SU Support Strap 10K81 SFMP Temperature Sealant Mill-Pac, Black, High- Horizontal Riser Kit, 14”(see 99L02 SV4.5HRK14 89L40 SFMP-12 Temperature Sealant (bulk...
  • Page 47: Gas Conversion Kits

    Innovative Hearth Products Installation MHD 35/40 Series Direct-Vent Gas Fireplaces 900414-00 12/2015 GAS CONVERSION KITS WARNING This conversion kit shall be installed by a qualified service agency in accordance with the manufacturer’s instructions and all applicable codes and requirements of the authority having jurisdiction. If the information in these instructions is not followed exactly, a fire, explosion, or the production of carbon monoxide may result;...
  • Page 48 Innovative Hearth Products Installation MHD 35/40 Series Direct-Vent Gas Fireplaces 900414-00 12/2015 Installing Gas Conversion Kits WARNING The gas supply shall be shut OFF prior to disconnecting the electrical power, before proceeding with the conversion. AVERTISSEMENT Avant d’effecteur la conversion, coupez d’abord l’alimentation en gaz, ensuite, coupez l’alimentation electrique.
  • Page 49 Innovative Hearth Products Installation MHD 35/40 Series Direct-Vent Gas Fireplaces 900414-00 12/2015 Figure 43 - Millivolt Pilot Figure 44 - Orifice Pilot Pilot Orifice Orifice 12. Use pipe joint compound or Teflon tape on all pipe fittings before installing. ® NOTE: Ensure propane resistant compounds are used in propane applications, do not use pipe joint compounds on flare fittings.
  • Page 50: Operation

    Innovative Hearth Products Operation MHD 35/40 Series Direct-Vent Gas Fireplaces 900414-00 12/2015 OPERATION WARNING Young children should be carefully supervised when they are in the same room as the appliance. Toddlers, young children and others may be susceptible to accidental contact burns. A physical barrier is recommended if there are at risk individuals in the house.
  • Page 51 Innovative Hearth Products Operation MHD 35/40 Series Direct-Vent Gas Fireplaces 900414-00 12/2015 HOMEOWNER’S INSTRUCTIONS - ATTACHING SAFETY IN OPERATION WARNINGS ATTACHING SAFETY IN OPERATION WARNINGS APPOSITION DES MISES EN GARDE RELATIVES COLOCACIÓN DE ADVERTENCIAS DE SEGURIDAD À LA SÉCURITÉ D’UTILISATION EN OPERACIÓN Your fireplace has been furnished with safety instruc- tion labels that are to be affixed to the operation and...
  • Page 52 Innovative Hearth Products Operation MHD 35/40 Series Direct-Vent Gas Fireplaces 900414-00 12/2015 Burn-in Period The first few times this fireplace is operated, there will be an odor from the curing of paint and the burning off of the lubricants used in the manufacturing process. Depending on usage, the burn-in period may take a few hours or a few days.
  • Page 53 Innovative Hearth Products Operation MHD 35/40 Series Direct-Vent Gas Fireplaces 900414-00 12/2015 NOTE: Do NOT wire more than one valve to the burner control switch. This will help prevent excessive resistance in the burner circuit, that can cause burner operation problems. Reinstalling the Firebox Liners 1.
  • Page 54 Innovative Hearth Products Operation MHD 35/40 Series Direct-Vent Gas Fireplaces 900414-00 12/2015 Installing the logs, volcanic stone, and glowing embers WARNING • Turn OFF all gas and electricity to the appliance before installing the volcanic stone, embers, and logs. • Do NOT install the logs until the appliance has been completely installed, the gas line connected and tested for leaks, and the initial burner operation has been confirmed.
  • Page 55 Innovative Hearth Products Operation MHD 35/40 Series Direct-Vent Gas Fireplaces 900414-00 12/2015 Installing the MHD Series 35” logs The logs have notches/tabs to assist proper positioning. Upper logs rest on lower logs via notches/tabs. Proper log placement is critical to prevent sooting. Place the logs in the gaps between flame peaks, so they do not impinge the flames.
  • Page 56 Innovative Hearth Products Operation MHD 35/40 Series Direct-Vent Gas Fireplaces 900414-00 12/2015 Installing the MHD Series 40” logs The logs have notches/tabs to assist proper positioning. Upper logs rest on lower logs via notches/tabs. Proper log placement is critical to prevent sooting. Place the logs in the gaps between flame peaks, so they do not impinge the flames.
  • Page 57 Innovative Hearth Products Operation MHD 35/40 Series Direct-Vent Gas Fireplaces 900414-00 12/2015 Installing and removing the glass door WARNING • Do not attempt to substitute the materials used on these doors, or replace cracked or broken glass. • Handle this glass with extreme care! Glass is susceptible to damage—Do not scratch or handle roughly while reinstalling the glass door frame.
  • Page 58 Innovative Hearth Products Operation MHD 35/40 Series Direct-Vent Gas Fireplaces 900414-00 12/2015 Installing the glass door 1. Visually inspect the gasket on the backside of the glass door. NOTE: The gasket surface must be clean, free of irregularities, and seated firmly. Ensure it is properly located. Make sure the bead is not rolled into the channel at the top of the door, but remains flat against the top of the glass.
  • Page 59: Maintenance

    Innovative Hearth Products Operation MHD 35/40 Series Direct-Vent Gas Fireplaces 900414-00 12/2015 MAINTENANCE Refer to the Maintenance Schedule on Page 61 for maintenance tasks, procedures, frequency, and a listing of by whom the tasks should be performed. Always verify proper fireplace operation after servicing. WARNING Turn OFF gas and electrical power to the fireplace and allow it to cool before cleaning or servicing the appliance.
  • Page 60 Innovative Hearth Products Operation MHD 35/40 Series Direct-Vent Gas Fireplaces 900414-00 12/2015 Inspecting the glass gasket Visually inspect the gasket on the backside of the glass door. The gasket surface must be clean, free of irregularities, and seated firmly. Cleaning the control compartment Keep the control compartment clean by vacuuming or brushing it out at least twice a year.
  • Page 61 Innovative Hearth Products Operation MHD 35/40 Series Direct-Vent Gas Fireplaces 900414-00 12/2015 MAINTENANCE SCHEDULE See the tables below for detailed information about required maintenance, both regular and annual. Table 37 - Maintenance Performed Annually—Before the Burning Season Maintenance Task Performed By Procedure Inspecting/Cleaning Burner, Logs Qualified Service Technician...
  • Page 62: Accessory Components

    Innovative Hearth Products Operation MHD 35/40 Series Direct-Vent Gas Fireplaces 900414-00 12/2015 ACCESSORY COMPONENTS Touch-Up Paint Kits Repair minor scratches and discoloration of the fireplace black painted surfaces with the touch-up paint kits. Table 39 - Touch-Up Paint Kit Catalog No. Model Description F1881...
  • Page 63 Innovative Hearth Products Operation MHD 35/40 Series Direct-Vent Gas Fireplaces 900414-00 12/2015 Optional Thermostatic Control Kits Feature a thermostatic ON/OFF mode as well as manual ON/OFF operation. Table 44 - Thermostatic Control Kits RC-S-STAT, Thermostatic or manual operation Catalog Number •...
  • Page 64 Innovative Hearth Products Operation MHD 35/40 Series Direct-Vent Gas Fireplaces 900414-00 12/2015 Unit-Mountable Rocker Switch Kit This rocker switch kit can be installed directly in the control compartment to provide ON/OFF operation in lieu of a wall switch. Table 46 - Unit-Mountable Rocker Switch Catalog Model 80L41...
  • Page 65: Lighting Instructions

    Innovative Hearth Products Operation MHD 35/40 Series Direct-Vent Gas Fireplaces 900414-00 12/2015 LIGHTING INSTRUCTIONS - ENGLISH FOR YOUR SAFETY READ BEFORE LIGHTING WARNING: If you do not follow these instructions exactly, a fire or explosion may result causing property damage, personal injury or loss of life.
  • Page 66 Innovative Hearth Products Operation MHD 35/40 Series Direct-Vent Gas Fireplaces 900414-00 12/2015 LIGHTING INSTRUCTIONS - FRENCH POUR PLUS DE SÉCURITÉ, LIRE AVANT D’ALLUMER AVERTISSEMENT. Quiconque ne respecte pas à la lettre les instructions dans la présente notice risque de déclencher un incendie ou une explosion entraînant des dommages, des blessures ou la mort.
  • Page 67: Troubleshooting

    Innovative Hearth Products Operation MHD 35/40 Series Direct-Vent Gas Fireplaces 900414-00 12/2015 TROUBLESHOOTING Before troubleshooting, ensure that the fireplace main line gas shutoff valve and the wall switch are in the ON position. The following troubleshoots the fireplace only to an elementary level. For detailed remote and ignition system troubleshooting, refer to the instructions provided with the remote.
  • Page 68: Replacement Parts

    Innovative Hearth Products Operation MHD 35/40 Series Direct-Vent Gas Fireplaces 900414-00 12/2015 REPLACEMENT PARTS Table 50 - Installer Replacement Parts 35” Models 40” Models Description Catalog Number Catalog Number Millivolt Pilot Assembly, Natural Gas 69L17 69L17 Millivolt Pilot Assembly, Liquid Propane 69L18 69L18 Millivolt Piezo Igniter...
  • Page 69 Innovative Hearth Products Operation MHD 35/40 Series Direct-Vent Gas Fireplaces 900414-00 12/2015 Figure 59 - Replacement Parts WARNING 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. AVERTISSEMENT Risque de dommages ou de blessures si les pièces ne sont pas installées conformément à...
  • Page 70 Innovative Hearth Products Operation MHD 35/40 Series Direct-Vent Gas Fireplaces 900414-00 12/2015 NOTES...
  • Page 71: Warranty

    Innovative Hearth Products Superior Brand Gas Fireplaces, Stoves and Inserts ® 20 Year Limited Warranty THE WARRANTY Innovative Hearth Products ("IHP") 20 Year Limited Warranty warrants your Superior Brand gas fi replace, Stove or Insert ("Product") to be free from defects in materials ®...
  • Page 72 Innovative Hearth Products Installation and Operation Instructions MHD 35/40 Series Direct-Vent Gas Fireplaces 900414-00 12/2015 SuperiorFireplaces.us.com Record the following important information about your fireplace: Fireplace model number Fireplace serial number Date fireplace was Installed Type of gas fireplace uses Dealer name IHP reserves the right to make changes at any time, without notice, in design, materials, specifications, prices and also to discontinue colors, styles and products.

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