Monessen Hearth MDV500 Installation And Operating Instructions Manual

Monessen Hearth MDV500 Installation And Operating Instructions Manual

Mdv series direct vent gas fireplace
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MDV SERIES
DIRECT VENT GAS FIREPLACE
INSTALLATION AND OPERATING
INSTRUCTIONS
MODELS: MDV500 and MDV600
WARNINGS
IF THE INFORMATION IN THESE INSTRUCTIONS ARE
NOT FOLLOWED EXACTLY, A FIRE OR EXPLOSION
MAY RESULT CAUSING PROPERTY DAMAGE,
PERSONAL INJURY OR LOSS OF LIFE.
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.
WARNING: Improper installation, adjustment, alteration,
services 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.
This appliance may be installed in an OEM installation
in 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 or Standard
for Installation in Mobile Homes. CAN/CSA Z3-240MH.
This appliance is only for use with the type(s) of gas
indicated on the rating plate unless a certified kit is
used.
READ BEFORE INSTALLING. SAVE THESE INSTRUCTIONS
WARNINGS
D U E T O H I G H T E M P E R A T U R E S , T H E
APPLIANCE SHOULD BE LOCATED OUT OF
TRAFFIC AND AWAY FROM FURNITURE AND
DRAPERIES.
CHILDREN AND ADULTS SHOULD BE
ALERTED TO THE HAZARDS OF HIGH
SURFACE TEMPERATURE AND SHOULD
STAY AWAY TO AVOID BURNS OR CLOTHING
IGNITION.
YOUNG CHILDREN SHOULD BE SUPERVISED
WHEN THEY ARE IN THE SAME ROOM AS
THE APPLIANCE.
C L O T H I N G O R O T H E R F L A M M A B L E
MATERIAL SHOULD NOT BE PLACED ON
OR NEAR THE APPLIANCE.
KEEP THE ROOM AREA CLEAR AND
FREE FROM COMBUSTIBLE MATERIALS,
GASOLINE, AND OTHER FLAMMABLE
VAPORS AND LIQUIDS.

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Summary of Contents for Monessen Hearth MDV500

  • Page 1 MDV SERIES DIRECT VENT GAS FIREPLACE INSTALLATION AND OPERATING INSTRUCTIONS MODELS: MDV500 and MDV600 WARNINGS IF THE INFORMATION IN THESE INSTRUCTIONS ARE NOT FOLLOWED EXACTLY, A FIRE OR EXPLOSION MAY RESULT CAUSING PROPERTY DAMAGE, PERSONAL INJURY OR LOSS OF LIFE.
  • Page 2: Table Of Contents

    CONTENTS Thank you and congratulations on your purchase of a Monessen Hearth Systems Fireplace. PLEASE READ THE INSTALLATION AND OPERATION INSTRUCTIONS BEFORE USING THE APPLIANCE! IMPORTANT: Read all instructions and warnings carefully before starting installation. Failure to follow these instructions may result in a possible fire hazard and will void the warranty.
  • Page 3: Important Safety Information

    IMPORTANT SAFETY INFORMATION INSTALLER OWNER Please leave these instructions with the appliance. Please retain these instructions for future reference. • Read this owner’s manual carefully and completely before trying to assemble, operate, or service this fireplace. • Any change to this fireplace or its controls can be dangerous. •...
  • Page 4 IMPORTANT SAFETY INFORMATION Continued from page 3 IMPORTANT: 12. Do not use this fireplace to cook food or burn paper or PLEASE READ THE FOLLOWING CAREFULLY other objects. It is normal for fireplaces fabricated of steel to 13. Never place anything on top of fireplace. give off some expansion and/or contraction noises during the start up or cool down cycle.
  • Page 5: Product Features

    Do not remove Nailing insulation board. Flange Hi/Lo Knob Off/Pilot/On Knob On/Off/RS Switch Ignitor Figure 1 - MDV500 and MDV600 Fireplace Blower Control (Millivolt Unit Shown — Optional Remote " Nailing Also Available in Electronic Ignition) Receiver Flange CODE APPROVAL Direct Vent type appliances draw all combustion air from outside of the dwelling through the vent pipe.
  • Page 6: Pre-Installation Information

    Manifold Press: (W.C.) 3.5" Manifold Press: (W.C.) 10" Maximum Supply Pressure 10.5" Maximum Supply Pressure 13" Minimum Supply Pressure 4" Minimum Supply Pressure 11" MDV500 MDV600 Model Number Natural Propane Natural Propane Max. Btu/hr Input 30,000 30,000 32,000 32,000 Min. Btu/hr Input...
  • Page 7: Fireplace Framing

    Do not fill spaces around firebox with insulation or other materials. This MDV500 MDV600 could cause a fire. "...
  • Page 8: Fireplace Dimensions

    " Ref. to Framing 5" " 2" " Ref. to Framing " " " Ref. to Wall " " " Center of Pipe " " " " " " " Ref. to Wall Figure 3 - MDV500 Fireplace Dimensions 75D2523...
  • Page 9: Fireplace Location

    PRE-INSTALLATION INFORMATION FIREPLACE LOCATION Plan for the installation of your appliance. This includes determining where the unit is to be installed, the vent configuration to be used, framing and finishing details, and whether any optional accessories (i.e. blower, wall switch, or remote control) are desired.
  • Page 10: Securing Fireplace To Floor Or Framing

    SECURING FIREPLACE TO FLOOR OR FRAMING The fireplace must be secured to the floor and/or to framing studs as shown in Figure 5 . Use two (2) wood screws or masonry/ concrete screws to secure fireplace to the floor. Use four (4) screws to attach fireplace to framing. The side brackets or nail- ing flanges are designed to accommodate two thickness of wall boards ( "...
  • Page 11: Clearances

    CLEARANCES CLEARANCES TO COMBUSTIBLES Follow these instructions carefully to ensure safe installation. Failure to follow in struc tions exactly can create a fire hazard. The appliance cannot be installed on a carpet, tile or other combustible material other than wood flooring. If installed on carpet or vinyl flooring, the appliance shall be installed on a metal, wood or noncombustible material panel ex tend ing full width and depth of the appliance.
  • Page 12: Installation Information

    The following actions will void the warranty on your venting system: • Installation of any damaged venting component. • Unauthorized modification of the venting system. • Installation of any component part not manufactured or approved by Monessen Hearth Systems • Installation other than permitted by these instructions. 75D2523...
  • Page 13: Vent Installation

    VENT INSTALLATION This fireplace must be vented to the outside. The venting system must NEVER be attached to a chimney serving a separate solid fuel burning appliance. Each gas appliance must use a separate vent system. Do not use common vent systems. Horizontal sections of this vent system A Minimum of 3"...
  • Page 14: Optional Top Vent Application

    VENT INSTALLATION OPTIONAL TOP VENT APPLICATION A f t e r c o n v e r s i o n t o t o p v e n t The appliance is shipped as a rear vent unit. If the installation configuration the 5"...
  • Page 15: Installation Planning

    VENT INSTALLATION INSTALLATION PLANNING There are two basic types of direct-vent installation: • Horizontal Termination • Vertical Termination It is important to select the proper length of vent pipe for the type of termination you choose. It is also important to note the wall thickness.
  • Page 16: For Horizontal Termination

    VENT INSTALLATION FOR HORIZONTAL TERMINATION Inside Corner Detail Fixed Closed Opera- Fixed Closed Operable Vent Terminal Air Supply Inlet Area Where Terminals Not Permitted Figure 12 - Horizontal Vent Termination Location MINIMUM DISTANCES A = Clearance above the grade, a veranda, porch, deck, or balcony [*12" (305mm) minimum]. B = Clearance to window or door that may be opened [*12"...
  • Page 17: How To Use A Vent Graph

    VENT INSTALLATION TERMINATION CLEARANCES FOR BUILDINGS WITH COMBUSTIBLE AND NONCOMBUSTIBLE EXTERIORS Combustible = 6” (152mm) Noncombustible = 2” (51mm) Combustible = 6” (152mm) Noncombustible = 2” (51mm) Inside Corner Outside Corner C = Maximum depth of 48" (1219mm) for alcove location D = Minimum width for back wall of alcove location Combustible - 38"...
  • Page 18: Rear Wall Vent Installation

    VENTING INSTALLATION REAR WALL VENT INSTALLATION (5" 8" VENTING ONLY) When installed as a rear vent unit this appliance may be vented directly to a termination located on the rear wall behind the appliance • The maximum horizontal distance between the rear of the appliance and the termination is 20" (508 m). See Figure 15.
  • Page 19 Monessen excessive heat from melting the vinyl siding material. N Termination) Monessen Termination does not require standoff. Bolt the Termination vent cap to the standoff or wall. Apply non-hardening mastic around outside edge of the standoff instead of the vent cap assembly.
  • Page 20: Configurations

    VENT INSTALLATION HORIZONTAL WITH VERTICAL RISE (THROUGH-THE-WALL) TERMINATION CONFIGURATIONS Since it is very important that the venting system maintain its balance between the combustion air intake and the flue gas exhaust, certain limitations as to vent configurations apply and must be strictly adhered to. The Vent Graph, showing the relationship between vertical and horizontal side wall venting, will help to determine the vari- ous dimensions allowable.
  • Page 21: Horizontal (Through-The-Wall) Termination Configurations

    VENT INSTALLATION HORIZONTAL (THROUGH-THE-WALL) 90° TERMINATION CONFIGURATION (Continued) • If a 90° elbow is used in the horizontal vent run (level height maintained) the horizontal vent length is reduced by 36" (914 mm) (Fig. 21 A and B) This does not apply if the 90° elbows are used to increase or redirect a vertical rise.
  • Page 22: Horizontal With Vertical Rise (Through-The-Wall) Applications

    VENT INSTALLATION HORIZONTAL WITH VERTICAL RISE (THROUGH-THE-WALL) APPLICATIONS 1. Locate and cut the vent opening in the wall. " For combustible walls first frame in opening. (267mm) Cut a 12 "H x Combustible Interior Walls: " W hole through the interior wall. Cut a 10 "H Combustible Exterior Walls:...
  • Page 23: Below Grade Installation

    VENT INSTALLATION BELOW GRADE INSTALLATIONS When it is not possible to meet the required vent terminal clearances of 12" above grade level, a snorkel kit is recommended. It allows installation depth down to 7" (178mm) below grade level. The 7" (178mm) is measured from the center of the horizontal vent pipe as it penetrates through the wall.
  • Page 24: Vertical Through-The-Roof Installation

    VENT INSTALLATION VERTICAL THROUGH-THE-ROOF APPLICATIONS A restrictor disc must be installed on any vertical termination that is higher than 12'. Install restrictor disc as shown in Figure 30 for vertically vented applications. Up to three (3) restrictor discs may be needed for 40' installation. The two (2) restrictor discs suppled will work for most installations.
  • Page 25 VENT INSTALLATION VERTICAL THROUGH-THE-ROOF APPLICATIONS (continued) This Gas Fireplace has been approved for, • Vertical installations up to 40' (12m) in height. Up to a 10' (3m) horizontal vent run can be installed within the vent system using a maximum of two 90° elbows. See Figure 31. Support Straps Every...
  • Page 26: Installation For Vertical Termination

    VENT INSTALLATION INSTALLATION FOR VERTICAL TERMINATION 1. Determine the route your vertical venting will take. If ceiling joist, Roof roof rafters or other framing will obstruct the venting system, Flashing consider an offset. See Figure 33 to avoid cutting load bearing members.
  • Page 27 VENT INSTALLATION INSTALLATION FOR VERTICAL TERMINATION--FLAT CEILING INSTALLATION (CONTINUED) NOTE: If an offset is needed to avoid obstructions, you must support the vent pipe every three (3) feet. Use wall straps for this purpose. See Figure 33, page 26. Whenever possible, use 45° elbows instead of 90°...
  • Page 28: Fireplace Installation

    FIREPLACE INSTALLATION CHECK GAS TYPE Use proper gas type for the fireplace you are installing. If you have conflicting gas type, do not install fireplace. See dealer where you purchased the fireplace for proper fireplace according to your gas type. INSTALLING GAS PIPING TO FIREPLACE LOCATION INSTALLATION ITEMS NEEDED A qualified installer or service...
  • Page 29 FIREPLACE INSTALLATION Only persons licensed to work with A manual shutoff valve must be gas piping may make the necessary installed upstream of the appliance. gas connections to this appliance. Union tee and plugged 1/8" NPT pressure tapping point should be installed upstream of the appliance.
  • Page 30: Checking Gas Pressure

    CHECKING GAS PRES SURE Check gas type. The gas supply must be the same as stated on the appliance’s rating decal. If the gas supply is different from the fireplace, STOP! Do not install the appliance. Contact your dealer immediately. To ease installation, a 18"...
  • Page 31: Electrical Installation

    ELECTRICAL INSTALLATION ELECTRICAL WIRING This fireplace will work without any electrical supply except to operate blower and electronic ignition system. NOTE: If installed in mobile home, fireplace must be bolted securely to floor. Electrical connections should only be performed by a qualified, licensed electrician. Main power must be off when connecting to main electrical power supply or performing service.
  • Page 32: Electronic Pilot Ignition Wiring

    ELECTRICAL INSTALLATION ELECTRONIC PILOT IGNITION WIRING Do not connect 110-120 VAC to the Remote Wall Switch. The appliance will malfunction. Pilot Assembly To Junction Box Spark Sense Ignition Module (Synetek) GREEN WHITE BLACK MAGENTA #5 BLACK WHITE Primary - 120V Electronic Valve Transformer Secondary...
  • Page 33: Canopy Installation And Glass Removal

    CANOPY INSTALLATION GLASS REMOVAL Remove top louver assembly before installing canopy. 1. Unhook top louver assembly. Set aside. See Figure 42. 2. Attach canopy to underside of top outer shell with three (3) screws provided. See Figure 43. 3. Hook top louver assembly back into place. Louver Assembly Canopy...
  • Page 34: Brick Installation

    BRICK INSTALLATION BRICK INSTALLATION 1. Install fl oor brick before installing logs or rock wool. 2. Install the rear brick panel by sliding it over the existing bracket fastened to the rear of the fi rebox. 3. Remove the existing screws fastened to the sides of the fi rebox toward the tops. 4.
  • Page 35: Logs And Rock Wool Installation

    LOGS AND ROCK WOOL INSTALLATION 1. Distribute one layer of rock wool to cover all round burner ports. Do not cover rectangular slots, located in front and rear. See Figure 45. Figure 45 - Rock Wool Placement on Rear of Burner. 2.
  • Page 36: Log Installation

    LOG INSTALLATION 3. Place the left middle log by lining up the holes in the bottom of the log with the two pins located on the left side of the burner. See Figure 47. 4. Place the right middle log by lining up the holes in the bottom of the log with the two pins located on the right side of the burner.
  • Page 37 LOG INSTALLATION 7. Place the upper left log by matching the two protrusions on the rear and left middle logs with the notches on the bottom of the upper left log. See Figure 51. 8. Place the upper middle log by matching the protrusions located at the middle of the rear log with the notch on the bottom of the log.
  • Page 38: Operating Instructions - Millivolt

    OPERATING INSTRUCTIONS - MILLIVOLT FOR YOUR SAFETY READ BEFORE LIGHTING 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 appliance is equipped with a pilot which must be lit with built-in ignitor while following these instructions exactly.
  • Page 39: Lighting Pilot - Millivolt

    OPERATING INSTRUCTIONS - MILLIVOLT LIGHTING PILOT FOR THE FIRST TIME - MILLIVOLT APPROVED LEAK TESTING METHOD You may check for gas leaks with the following methods only: If using a soap and water solution to test for leaks, • Soap and water solution DO NOT spray solution •...
  • Page 40: Lighting Burner - Millivolt

    OPERATING INSTRUCTIONS LIGHTING BURNER - MILLIVOLT MAIN BURNER SWITCH The “ON/OFF/RS” switch for the main burner can be found behind door of the fireplace. This switch allows you to turn on and to turn off the main burner without using the gas valve knob. Make sure the button is in the “ON” position to light the main burner.
  • Page 41: Operating Instructions - Electronic Ignition

    OPERATING INSTRUCTIONS - ELECTRONIC IGNITION FOR YOUR SAFETY READ BEFORE LIGHTING A. This appliance is equipped with an ignition device (Piezo) which automatically lights the If you do not follow these instructions pilot. Do NOT try to light the burner by hand. exactly, a fire or explosion may result causing property damage, personal B.
  • Page 42: Cleaning And Maintenance

    CLEANING AND MAINTENANCE Turn off gas before servicing fireplace. It is recommended that a qualified service technician perform these check-ups at the beginning of each heating season BURNER, PILOT AND CONTROL COMPARTMENT Thermocouple Keep the control compartment, logs, and burner areas surrounding the logs clean Thermopile by vacuuming or brushing at least twice a year.
  • Page 43: Vent System

    CLEANING AND MAINTENANCE VENT SYSTEM The fireplace and venting system should be inspected before initial use and at least annually by a qualified field service person. Inspect the external vent cap on a regular basis to make sure that no debris is interfering with the airflow. Inspect entire venting system to ensure proper function.
  • Page 44: Replacement Parts

    " Simpson Duravent Selkirk Qty/ Item Box Description Monessen P/N Horizontal High Wind Termination Cap 4DT-HC Horizontal Square Termination Cap with Built-In Vinyl Siding Standoff, BHRTK Heat Deflector and Firestop Horizontal Rigid Pipe Termination Kit with Horizontal Termination Cap with Built-In Vinyl Siding Standoff, Heat Deflector, Firestop, 90° Elbow BHSTK and 11"x14...
  • Page 45: Vent Components For 5"X8

    8" Simpson Duravent Selkirk Qty/ Item Box Description Monessen P/N Horizontal High Wind Termination Cap 1285 5DT-HC Horizontal Termination Cap with Built-In Vinyl Siding Standoff, BHR8TK Heat Deflector, Firestop and Adjustable Pipe 7" to 11" Horizontal Termination Cap Built-In Vinyl Siding Standoff, Heat...
  • Page 46: Firebox Components

    ILLUSTRATED PARTS LISTS FIREBOX COMPONENTS 75D2523...
  • Page 47: Logs

    ILLUSTRATED PARTS LISTS FIREBOX COMPONENTS Item Description MDV500 MDV600 Standard Features Junction Box Assembly 26D2128K 26D2128K Top Louver Assembly 56D2140K 56D2259K Bottom Louver Door Assembly 56D2141K 56D2260K Glass Frame Assembly 56D2143K 56D2269K Canopy 56D2056K 56D2213K Insulation Board 56D2156K 56D2216K Accessories/Field Installed Options...
  • Page 48: Additional Accessories

    ILLUSTRATED PARTS LISTS ADDITIONAL ACCESSORIES 75D2523...
  • Page 49: Illustrated Parts Lists

    ILLUSTRATED PARTS LISTS ADDITIONAL ACCESSORIES/FIELD INSTALLED OPTIONS AVAILABLE Item Description MDV500 MDV600 Metal Trim - Brass BRMTK500 BRMTK600 Metal Trim - Pewter PWMTK500 PWMTK600 Metal Trim - Black BLMTK500 BLMTK600 Brass Louvers L36BR L42BR Pewter Louvers L36PW L42PW Screen Frame - Black...
  • Page 50: Standing Pilot - Millivolt Control

    ILLUSTRATED PARTS LISTS STANDING PILOT — MILLIVOLT CONTROL 11,12, 13, 14, 15, 16 75D2523...
  • Page 51 ILLUSTRATED PARTS LISTS STANDING PILOT – MILLIVOLT CONTROL Item Description MDV500NV MDV500PV MDV600NV MDV600PV Gas Valve Assembly 37D0117 37D0118 37D0117 37D0118 Pilot Assembly 37D0018 37D0019 37D0018 37D0019 Replacement Thermocouple 37D1067 37D1067 37D1067 37D1067 Replacement Igniter and Wire 37D1069 37D1069 37D1069 37D1069 Replacement Thermopile 37D1068...
  • Page 52: Electronic Ignition

    ILLUSTRATED PARTS LISTS ELECTRONIC IGNITION 75D2523...
  • Page 53 ILLUSTRATED PARTS LISTS ELECTRONIC IGNITION Item Description MDV500NE MDV500PE MDV600NE MDV600PE Gas Valve Assembly 37D0016 37D0017 37D0016 37D0017 Pilot Assembly 37D0020 37D0021 37D0020 37D0021 Burner Tube 56D2175 56D2175 56D2175 56D2175 Flex Hose with Shutoff Valve 69D0030 69D0030 69D0030 69D0030 Rocker Switch 41D0048 41D0048 41D0048...
  • Page 54: Troubleshooting

    TROUBLESHOOTING GENERAL TROUBLESHOOTING SYMPTOM POSSIBLE ACTION CAUSE 1. Glass Soots A. Flame impingement A. Install log set per the instructions on logs Inspect the injector and air intake area. Make sure this area does not have any blockage from debris and clean. Check gas supply.
  • Page 55 TROUBLESHOOTING ELECTRONIC IGNITION START 1. Turn gas supply off. Check: Line voltage (120VAC) 2. Turn ON/OFF switch to “ON” Low voltage transformer (19.5 minimum VAC) Power to module (24V Normal) ON/OFF switch Wiring connections Is there a spark across Unplug ignition lead and ignitor sensor gap? check spark at module (24VAC normal).
  • Page 56: For Massachusetts Residents Only

    MASSACHUSETTS RESIDENTS ONLY: PLEASE READ AND FOLLOW THESE SPECIAL REQUIREMENTS NOTE REGARDING VENTED PRODUCTS This product must be installed by a licensed plumber or gas fi tter when installed within the Commonwealth of Massachu- setts. Any residence with a direct vent product must have a CO detector installed in the residence. Installation of the fi...
  • Page 57 MASSACHUSETTS RESIDENTS ONLY 2. APPROVED CARBON MONOXIDE DETECTORS. Each carbon monoxide detector as required in accordance with the above provisions shall comply with NFPA 720 and be ANSI/UL 2034 listed and IAS certifi ed. 3. SIGNAGE. A metal or plastic identifi cation 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 vent terminal for the horizontally vented gas fueled heating appliance or equipment.
  • Page 58 NOTES 75D2523...
  • Page 59 NOTES 75D2523...
  • Page 60: Lifetime Warranty

    BASIC WARRANTY Monessen Hearth Systems (MHS) warrants the components and materials in your gas appliance to be free from manufac- turing and material defects for a period of two years from date of installation. After installation, if any of the components manufactured by MHS in the appliance are found to be defective in materials or workmanship, (MHS) will, at its option, replace or repair the defective components at no charge to the original owner.

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