Builder Top Vent Direct Vent Models: 33LDVT, 36LDVT 39LDVT, 43LDVT INSTALLER/CONSUMER SAFETY INFORMATION PLEASE READ THIS MANUAL BEFORE INSTALLING AND USING APPLIANCE WARNING! IF THE INFORMATION IN THIS MANUAL IS NOT FOLLOWED EXACTLY, A FIRE OR EXPLOSION MAY RESULT CAUSING PROPERTY DAMAGE, PERSONAL INJURY OR LOSS OF LIFE.
LDVT Series Direct Vent Gas Fireplace Table of Contents PLEASE READ THE INSTALLATION & OPERATING INSTRUCTIONS BEFORE USING THIS APPLIANCE. Thank you and congratulations on your purchase of a MHSC fireplace. 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.
FOR SAFE INSTALLATION AND OPERATION PLEASE NOTE 15. These units have been approved for bedroom use. THE FOLLOWING: 33LDVT / 36LDVT / 39LDVT / 43LDVT 1. This fireplace gives off high temperatures and should be located out of high traffic areas and away from furniture and Certified To...
LDVT Series Direct Vent Gas Fireplace Installation & Operating Instructions Inspection Requirements for the Commonwealth of Massachusetts The state or local gas inspector of the side wall horizontally vented gas fueled equipment shall not All gas fitting and installation of this heater shall only be approve the installation unless, upon inspection, the done by a licensed gas fitter or licensed plumber.
7/5/01 sta exceed 20’ (6m). See details in manual Venting Section. Depth 36/39/43 LDVT 33LDVT * When you install your fireplace in(D) Room divider or (E) 10” (254 mm) 17” (432 mm) 16¹⁄₂” (419 mm) Flat on wall corner positions (Y), a minimum of 6” (152mm) 8”...
LDVT Series Direct Vent GaS Fireplace Gas Specifications Hearth Max. Min. A hearth is not mandatory but is recommended for Input Input aesthetic purposes. We recommend a noncombustible Model Fuel Control BTU/h BTU/h hearth which projects out 12” (305mm) or more from 33LDVTRN Millivolt 16,000...
LDVT Series Direct Vent Gas Fireplace The fireplace valve must not be subjected to any test High Elevations pressures exceeding 1/2 psi. Isolate or disconnect this Input ratings are shown in BTU per hour and are or any other gas appliance control from the gas line certified without deration for elevations up to when pressure testing.
LDVT Series Direct Vent GaS Fireplace INSIDE EB-1 Electrical Box Electrical Box Retaining Screw The fireplace, when installed, must be elec- trically connected and grounded in accord- ance with local codes or, in the absence of local codes, with the current CSA C22.1 Canadian Electrical Code.
LDVT Series Direct Vent Gas Fireplace BLACK WHITE POWER CORD GREEN PURPLE PILOT SENSING PILOT IGNITER YELLOW VALVE CIRCUIT BOARD BLUE ORANGE ON/OFF SWITCH WHITE WALL THERMOSTAT FP1571 Fig. 9 SIT822 Valve with Synetek electronic control wiring diagram. White or Green To Pilot Ignitor Green or White White or Orange...
LDVT Series Direct Vent GaS Fireplace General Venting Your fireplace is approved to be vented either through There must not be any obstruction such as bushes, garden sheds, fences, decks or utility buildings within the side wall, or vertically through the roof. 24”...
LDVT Series Direct Vent Gas Fireplace General Venting Information - Termination Location INSIDE CORNER DETAIL ����� ������ Fixed Operable Closed CFM145a AREA WHERE TERMINAL IS NOT PERMITTED VENT TERMINATION AIR SUPPLY INLET Canadian Installations US Installations CFM145a A = Clearance above grade, veranda, porch, 12”...
LDVT Series Direct Vent GaS Fireplace Termination Clearances Termination clearances for buildings with combustible and noncombustible exteriors. Inside Corner Alcove Applications* Outside Corner Combustible 6" (152 mm) Combustible 6" (152 mm) Noncombustible 2" (51 mm) Noncombustible 2" (51 mm) Balcony - Balcony - with no side wall with perpendicular side wall...
LDVT Series Direct Vent Gas Fireplace Twist Lock Pipes When using MHSC twist-lock pipe it is not necessary to use sealant on the joints. The only areas of the venting system that need to be sealed with high temperature silicone sealant are the sliding joints of any telescopic vent section used in the system.
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LDVT Series Direct Vent GaS Fireplace 20' (6m) Pipe Straps Every 3’ (914mm) Pipe Straps 1 x 90° elbow in horizontal plane = 3’ (914mm) Every 3’ (914mm) Firestop/Zero Clearance Sleeve FP1012 Fig. 16 Support straps for horizontal runs. FP1238 FP1012 Horizontal plane means no vertical rise exists on this Fig.
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LDVT Series Direct Vent Gas Fireplace Vertical Sidewall Installation Max. Length Adjustable 12” (305mm) Twist Lock Pipe Zero Clearance Sleeve STEP 1 #8 Screws (2) Locate vent opening on the wall. It may be necessary #8 Screws to first position the fireplace and measure to obtain hole location.
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LDVT Series Direct Vent GaS Fireplace STEP 5 Measure the horizontal length requirement including a 2” (51 mm) overlap, ie from the elbow to the outside wall face plus 2” (51 mm) (or the distance required if installing a second 90° elbow). (Fig. 23) Always install horizontal venting on a level plane.
LDVT Series Direct Vent Gas Fireplace Step 4 1. Establish vent hole through the wall. (Fig. 20) Install the 4” (102 mm) flex vent pipe to the appliance 2. Remove soil to a depth of approximately 16” (406 collar as described on Page 13. Secure the end with mm) below base of snorkel.
LDVT Series Direct Vent GaS Fireplace Example: Maximum horizontal length 0 x 45° elbows = 10’ (3 m) 1 x 45° elbows = 8¹⁄₂’ (2.6 m) 2 x 45° elbows = 7’ (2.1 m) • A minimum of an 8’ (2.4 m) vertical rise. Snorkel •...
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LDVT Series Direct Vent Gas Fireplace Vertical Through-the-Roof Installation 1. Locate your fireplace. 2. Plumb to center of the (4” (102 mm) flue collar from ceiling above and mark position. 3. Cut opening equal to 9³⁄₈” x 9³⁄₈” (240 x 240 mm). 4.
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LDVT Series Direct Vent GaS Fireplace Vertical Restrictor Plate 36LDVT, 39LDVT, 43LDVT Rear Log Support When installing the 36LDVT, 39LDVT or 43LDVT with a vertical through-the-roof configuration flue system, the restrictor plate (#10008048) supplied with the appliance MUST BE FITTED TO THE APPLIANCE at the instal- lation.
LDVT Series Direct Vent GaS Fireplace Operating Instructions Glass Information 6. Tilt the glass frame out slightly at the bottom, lift the frame up and away from the fireplace. Only glass approved by MHSC should be 7. To replace the glass frame reverse the procedure. used on this fireplace.
LDVT Series Direct Vent Gas Fireplace Installation of Logs, Lava Rock & Ember Material The logs are fragile and should be handled 33LDVT with care. Keep the packaging material out of the reach of children and dispose of the 1. Place rear log left (A41) on rear bracket (ensure the material in a safe manner.
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LDVT Series Direct Vent GaS Fireplace 36LDVT 1. Place rear log (B158) on rear bracket (ensure log is Rear seated properly to the bracket and located to the (B158) two pins), so it will not move from side to side and Figure 40 is firmly positioned on the bracket.
LDVT Series Direct Vent Gas Fireplace 43LDVT 1. Place rear log (BD15) on rear bracket (ensure log Top Center is centered and seated properly to the log sup- (BBD18) port). Rear (BD15) Figure 42 2. Place front left log (BD16). Use log’s bottom notch Front Right to locate it onto the front support and just rest on (BD17)
LDVT Series Direct Vent Gas Fireplace Lighting and Operating Instructions 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. A. This heater has a pilot which must be lit manually. Follow the gas supplier’s instructions.
LDVT Series Direct Vent GaS Fireplace Lighting and Operating Instructions For Fireplaces equipped with SIT822 Gas Valve (EN or EP) WARNING: If you do not follow these instructions exactly, a fire or explosion may result causing property damage, personal injury and loss of life. FOR YOUR SAFETY READ THE FOLLOWING WARNINGS BEFORE LIGHTING THE APPLIANCE Follow the gas suppliers instructions.
LDVT Series Direct Vent Gas Fireplace Lighting & Operating Instructions For Fireplaces equipped with AF4000 Gas Valve Warning If you do not follow these instructions exactly, a fire or explosion may result, causing property damage, personal injury and loss of life. For Your Safety, Read the Following Warnings before Lighting the Appliance •...
LDVT Series Direct Vent GaS Fireplace Troubleshooting the Gas Control System SIT NOVA 820 Millivolt Valve NOTE: Before trouble shooting the gas control system, be sure external gas shut off is in the “On” position. WARNING: Before doing any gas control service work, remove glass front. SYMPTOM POSSIBLE CAUSES CORRECTIVE ACTION...
LDVT Series Direct Vent Gas Fireplace Troubleshooting the Gas Control System SIT 822 Valve with Synetek Electronic Control Operating Diagram Normal Operation Abnormal Operation ON/OFF Switch Closed? 5 sec Inter-Trial Delay LED: Steady Flash? Safe Start Check On? Lockout: Flame detected out of sequence Reset by interrupting ON/OFF switch or power for 10 sec 0 Sec Purge...
LDVT Series Direct Vent GaS Fireplace Troubleshooting American Flame Gas Control System If erratic system behavior is observed that cannot be resolved by the methods outlined below, ensure that there is not a transmitter with batteries installed that may be interfering. If a transmitter is packed with batteries installed, its buttons may be depressed sending a constant signal which can interfere with the transmission of desired signals.
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LDVT Series Direct Vent Gas Fireplace Troubleshooting American Flame Gas Control System (continued) Figure 46: AF4000 MOD Module Right Side Remote/Off Switch Adjustment Continuous PIlot Off/On Switch FP1762 “I” Pilot “S” Pilot Connection Connection Figure 47: AF4000 MOD Module End ������...
LDVT Series Direct Vent GaS Fireplace American Flame Gas Control System Error Codes Ignition Safety: Protection for Ignition System Error Code: One beep every one second Description of Fault: Warn users if the pilot is not successfully ignited in 60 seconds. How to Clear: Switch OFF then ON to re-attempt ignition.
LDVT Series Direct Vent Gas Fireplace Converting the Appliance From LP to Natural PSE Pilot Gas or Natural Gas to LP Using a suitable wrench on the hexagonal body un- screw the pilot hood assembly from the pilot, do not The conversion of this appliance from one twist the hood itself.
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LDVT Series Direct Vent GaS Fireplace 1. Reassemble the fireplace in the reverse order, ex- Main Connection cept for the window frame assembly. Leave this off MAIN until after the unit has been checked for leaks and Inlet the gas supply has been bled. 2.
LDVT Series Direct Vent Gas Fireplace Maintenance Burner and Burner Compartment Most of these components may require only an occasional checkup and cleaning and some may It is important to keep the burner and the burner require adjustment. If repair is necessary, it should compartment clean.
MHSC reserves the right to make changes in design, materials, specifications, prices and discontinue colors and products at any time, with out notice. 33/36/39/43LDVT 7852 LDVT parts 1/05 33LDVT units: GFTN2I0, GFTL2I0, GFTE2I0, GFTI3I0 ����� 36LDVT units: GFTN2J1, GFTL2J1, GFTE2J1, GFTI3J0 39LDVT units: GFTN2K0, GFTE2K0, GFTI3K0 43LDVT units: GFTN2N0, GFTE2N0 10007852...
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LDVT Series Direct Vent Gas Fireplace 33/36/39/43LDVT (continued) Ref. Description 33LDVT 36LDVT 39LDVT 43LDVT Log Set (complete) 10007567 10010113 10008214 10008314 Front Left Log B160 BC15 BD16 Front Right Log B159 BC16 BD17 Front Center Log B161 B138 B138 Rear Log...
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LDVT Series Direct Vent GaS Fireplace 33/36/39/43LDVT (continued) Ref. Description 33LDVT 36LDVT 39LDVT 43LDVT 33a. Support Rear Log - Natural 10007561 10007162 10008211 10008480 33b. Support Rear Log - LP 10007561 10008045 10008211 10008490 Support Front Log 10007562 10007112 10008416...
LDVT Series Direct Vent Gas Fireplace Optional Accessories Fan Kits Thermal Sen- FK24 Fan Assembly This auxiliary fan system increases the efficiency of the circulation of the heating air. The FK24 fan kit allows variable speed control of the circulation fan and also incorporates a heat sensor in the circuit.
Optional remote control units are available to control different functions of the appliances rear ceramic panel Kit Model and Finish Model Function/s Controlled Unit Sandstone Black Grey 11/02 33LDVT 33LDVTCR ON/OFF 36LDVT GAHC3J0 GAFC3J0 GABC3J0 GAGC3J0 ON/OFF and Temperature. 39LDVT 39LDVCR IMTFK...
LDVT Series Direct Vent Gas Fireplace Screen Door Kit Optional Trim Kits Appliance Model Kit Model Louvre Accent Trim 33LDVT 33DVSDKS Pewter Appliance Model Main Louvre Kit Additional Louvre 36LDVT 36DVSDKS Pewter Polished Brass 36LDVT 36DVLMP 36DVLAP 33LDVT 33DVSDKB Black...
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LDVT Series Direct Vent GaS Fireplace 10007852...
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LDVT Series Direct Vent Gas Fireplace 10007852...
LDVT Series Direct Vent GaS Fireplace LIMITED LIFETIME WARRANTY Lifetime Warranty The following components are warranted for life to the original owner, subject to proof of purchase: Firebox, Combus- tion Chamber, Heat Exchanger, Grate and Stainless Steel Burners. Five Year Warranty The following components are warranted for five (5) years to the original owner, subject to proof of purchase: Ceramic Fiber Logs.
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