Table of Contents
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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 EXPLO-
SION MAY RESULT CAUSING
PROPERTY DAMAGE, PER-
SONAL INJURY OR LOSS OF
LIFE.
FOR YOUR SAFETY
Installation and service must
be performed by a qualified
installer, service agency or
the gas supplier.
WHAT TO DO IF YOU SMELL GAS:
•
Do not try to light any appliance.
•
Do not touch any electric switch;
do not use any phone in your
building.
•
Immediately call your gas
supplier from your neighbor's
phone. Follow the gas suppliers
instructions.
•
If you cannot reach your gas
supplier call the fire department.
DO NOT STORE OR USE
GASOLINE OR OTHER
FLAMMABLE VAPORS AND
LIQUIDS IN THE VICINITY OF
THIS OR ANY OTHER
APPLIANCE.
Builder Direct Vent
Models:
36CDVXRRN
36CDVXTRN
Installation Instructions and
Homeowner's Manual
INSTALLER: Leave this manual with the appliance.
CONSUMER: Retain this manual for future reference.
(Rear Vent)
(Top Vent)
C E R T I F I E D
20012253 10/09 Rev. 7
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Related Manuals for MHSC 36CDVXTRN
Summary of Contents for MHSC 36CDVXTRN
- Page 1 FLAMMABLE VAPORS AND LIQUIDS IN THE VICINITY OF THIS OR ANY OTHER APPLIANCE. Builder Direct Vent Models: 36CDVXRRN 36CDVXTRN Installation Instructions and Homeowner’s Manual INSTALLER: Leave this manual with the appliance. CONSUMER: Retain this manual for future reference. (Rear Vent) (Top Vent) C E R T I F I E D 20012253 10/09 Rev.
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Page 2: Table Of Contents
PLEASE READ THE INSTALLATION & OPERATING INSTRUCTIONS BEFORE USING 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 fully may result in a possible fire hazard and will void the warranty. Installation &... -
Page 3: Installation & Operating Instructions
Installation & Operating Instructions This gas appliance should be installed by a qualified installer, preferably NFI or WETT (Canada) certified, in accordance with local building codes and with current CSA-B149.1 Installation codes for Gas Burning Appliances and Equipment. For USA Installations follow local codes and/or the current National Fuel Gas Code. -
Page 4: Requirements For The Commonwealth Of Massachusetts
Installation & Operating Instructions Requirements for the Commonwealth of Massachusetts All gas fitting and installation of this heater shall only be done by a licensed gas fitter or licensed plumber. For all side wall horizontally vented gas fueled equipment installed in every dwelling, building or structure used in whole or in part for residential purposes, including those owned or operated by the Commonwealth and where the side wall exhaust... -
Page 5: Fireplace Dimensions
Fireplace Dimensions - Rear Vent *48 ” (1226 mm) **41 ” (1051 mm) Gas Line Access 34 ” *Must be adhered to (883 mm) if using 7TCD45KT Flex Vent Kit **If using Rigid 45° with Starter Pipe 1 ” (35 mm) Low Voltage Access Fig. 1 Fireplace specifications and framing dimensions. 20012253 Minimum Rough 25” (635 mm) Opening Depth 17 ” (435 mm) 16 ”... - Page 6 Fireplace Dimensions - Top Vent 41 ” (1051 mm) Gas Line Access 34 ” (883 mm) 1 ” (35 mm) Low Voltage Access Fig. 2 Fireplace specifications and framing dimensions. *NOTE: If using a 2 x dimensional lumber for header, install on-end to maintain 1”...
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Page 7: Locating Your Fireplace
Locating Your Fireplace Fig. 3 Locate gas fireplace. A) Flat on wall B) Cross corner D) Room divider E) Flat on wall corner Y) Refer to “Clearance to Combustibles” Section NOTE: (Fig. 3) ** Island (C) and Room Divider (D) installation is possible as long as the horizontal portion of the vent system (X) does not exceed 20’... -
Page 8: Hearth
Hearth A hearth is not mandatory but is recommended for aesthetic purposes. We recommend a noncombustible hearth which projects out 12” (305 mm) or more from the front of the fireplace. Cold climate installation recommendation: When installing this unit against a non-insulated exterior wall or chase, it is mandatory that the outer walls be insulated to conform to applicable... -
Page 9: Gas Specifications
Gas Specifications Model Fuel Gas Control 36CDVXRRN Millivolt 36CDVXRRP* Prop Millivolt 36CDVXTRN Millivolt 36CDVXTRP* Prop Millivolt *Using conversion kit Gas Inlet and Manifold Pressures Natural Inlet Minimum 5.5” w.c. Inlet Maximum 14.0” w.c. Manifold Pressure 3.5” w.c. High Elevations Input ratings are shown in BTU per hour and are certified without deration for elevations up to 4,500 feet (1,370 m) above sea level. -
Page 10: 120V Electrical Hook Up
120V Electrical Hook Up The fireplace, when installed, must be electrically connected and grounded in accordance with local codes or, in the ab- sence of local codes, with the current CSA C22.1 Canadian Electrical Code. For USA installations follow local codes and the national electrical code ANSI/ NFPA No. -
Page 11: General Venting Information-Termination Location
General Venting Information - Termination Location CFM145a VENT TERMINATION A = Clearance above grade, veranda, porch, deck, or balcony B = Clearance to window or door that may be opened C = Clearance to permanently closed window D = Vertical clearance to ventilated soffit located above the terminal within a horizontal distance of 2’... -
Page 12: General Information Assembling Vent Pipes
Termination Clearances Termination clearances for buildings with combustible and noncombustible exteriors. Inside Corner Combustible 6" (152 mm) Noncombustible 2" (51 mm) Balcony - with no side wall Combustible & Noncombustible 12" (305 mm) *NOTE: Termination in an alcove space (spaces open only on one side and with an overhang) is permitted with the dimensions specified for vinyl or non-vinyl siding and soffits. -
Page 13: 36Cdvxr Venting - How To Use The Vent Graph
Twist Lock Pipes When using MHSC twist-lock pipe, it is not necessary to MHSC twist-lock pipe, it is not necessary to 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 joint of any telescopic vent section used in the system. - Page 14 20" (508 mm) Max. Top View Straight Venting Fig. 15 Rear vent applications. • Minimum clearances between vent pipe and com- bustible materials are as follows: Top - 1” (25 mm) Sides - 1” (25 mm) Bottom - 1” (25 mm) •...
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Page 15: Rear Wall Vent Installation - Flex Vent Pipe
Finished Wall Fig. 19 Side view of final unit location. Rear Wall Vent Installations - FP1005 45° Flex Vent Pipe Side View Vent Termination Using Kit 7TCD45KT 1/25/00 djt NOTE: The corner placement dimensions on Page 5, Figure 1 of the manual must be adhered to! Figures 20 &... -
Page 16: Rear Wall Vent Application (Exterior Outside Wall 13" - 20" From Rear Of Unit)
Fig. 21 Bend flex pipe up 90° as close to fireplace as pos- sible. Corner Framing Termination FP1606 Fig. 22 Rear view of corner installation. Screw Flex Vent Collar Fig. 23 Secure collar in place, slide termination into collar. Rear Wall Vent Application * Exterior Outside Wall 13”... -
Page 17: Vertical Sidewall Applications & Installation
needs to have an immediate rise before going hori- zontal. NOTE: Be careful not to distort the outer flex as this will affect the performance of the fireplace. 6. Secure the collar to the firestop by bending the tab out on the firestop and running a screw through the tab and collar. - Page 18 Example: Elbow 1 = 90 Elbow 2 = 45 Elbow 3 = 45 Elbow 4 = 90 Total angular variation = 270 1 + 2 + 3 + 4 = 270 CFM132 Fig. 29 Maximum number of elbows. Insert Rear Vent Sidewall •IMPORTANT•...
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Page 19: Below Grade Installation
High Temperature Sealant Fig. 32 Apply high temperature sealant. CFM137 Rear Vent length 2/26/01 sta Fig. 33 Horizontal length requirement. CFM138 STEP 6 4", 7" collar Support the horizontal pipes every 36” (914 mm) with 2/26/01 sta metal pipe straps. Make sure that the horizontal vent pipe is installed on a level horizontal plane. -
Page 20: Vertical Through-The-Roof Applications & Installation
Do not back fill around snorkel. A clearance of at least 4” (102 mm) must be maintained between the snorkel and the soil. If the foundation is recessed, use recess brackets (not supplied) for securing lower portion of the snorkel. Fasten brackets to wall first, then secure to snorkel with self drilling #8 x 1/2 sheet metal screws. - Page 21 Attic Insulation Shield Ceiling 11" Installation 11" Fig. 38 Place firestop spacer(s) and secure. CFM100 If there is room above ceiling level, Firestop-Vertical firestop spacer must be installed on both 09/20/00 the bottom and the top side of the ceiling joists.
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Page 22: 36Cdvxt Vertical Venting - How To Use The Vent Graph
36CDVXT Vertical Venting How to Use the Vent Graph The vent chart should be read in conjunction with the following vent installation instructions to determine the relationship of the vertical and horizontal dimensions of the vent system. 1. Determine the height of the center of the horizontal vent pipe exiting through the outer wall. -
Page 23: Vertical Sidewall Applications & Installation
Vertical Sidewall Applications Since it is very important that the vent- ing 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 verti- cal and horizontal side wall venting will help to deter- mine the various dimensions allowable. - Page 24 Example: Elbow 1 = 90° Elbow 2 = 45° Elbow 3 = 45° Elbow 4 = 90° Total angular variation = 270° 1 + 2 + 3 + 4 = 270° Fig. 48 Maximum number of elbow degrees. STEP 2 Place fireplace into position.
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Page 25: Below Grade Installation
Fig. 51 Through the wall. Fig. 52 Apply high temperature sealant to collars or termina- tions. 20012253 Below Grade Installations When it is not possible to meet the required vent ter- minal clearances of 12” (305 mm) above grade level a snorkel vent kit is recommended. -
Page 26: Vertical Through-The-Roof Applications & Installation
Zero Clearance Sleeve Screws (if required) Firestop 7” Pipe 24” (610mm) Minimum* *A minimum of 24” (610mm) ver- tical pipe must be installed when using the 7TDVSNORK Kit. *The 22” (559mm) vertical rise (center to center) of the snorkel may be included for calculationof max. - Page 27 Max. 8' (2.4m) 1 + 2 + 3 + 4 = 270° Fig. 56 Typical offset application. Attic Insulation FP1245 Shield through the roof 90 & 45 degree 12/02 Ceiling In- 11" stallation 11" Fig. 57 Place firestop spacer(s) and secure. CFM100 Firestop-Vertical 09/20/00...
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Page 28: Venting Components
584A venting components rear vent term 4/6/99 djt *NOTE: Must order a 7TCDV90 elbow for rear vent to vertical application only. 584B Vent components Starter Kit 2/25/99 djt 584D Vent Components 90 degree elbow 584C 2/25/99 djt Vent components 10/20/99 twist lock 45 degree elbow 2/25/99 djt 584E... -
Page 29: Operating Instructions
Glass Information Only glass approved by MHSC should be used on this fireplace. • The use of any non-approved replacement glass will void all product warranties. • Care must be taken to avoid breakage of the glass. • Do not operate appliance with glass front removed, cracked or broken. -
Page 30: Logs
Logs The 36CDVX logs are shipped in place. If a log is broken, refer to the replacement parts list for a replace- ment. Figure 63 shows where the logs are secured to the fireplace. Figure 63 Lava Rock Flame & Temperature Adjustment RN/RP &... -
Page 31: Lighting And Operating Instructions
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 manu- ally. - Page 32 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 A.
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Page 33: Troubleshooting
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 1. Spark ignitor will not light A. Defective or misaligned B. -
Page 34: Fuel Conversion Instructions
Fuel Conversion Instructions The conversion of this appliance from one gas to another must be carried out by an authorized service provider. The procedure for converting from one gas to another is the same regardless of the initial gas used. The only variation is in the orifice sizes and component part numbers. -
Page 35: Testing For Leaks
Pilot Hood Pilot Bracket Fig. 72 Remove pilot hood. Index Tab CO105a gas conversion Pilot 1/28/00 djt Snap Ring CO106a Fig. 73 Remove pilot orifice and replace with conversion orifice. Valve Regulator Conversion SIT 820 NOVA Gas Control Valve (Fig. 74) CO106a 1. -
Page 36: Maintenance
Burner and Burner Compartment It is important to keep the burner and the burner compartment clean. At least once per year the logs and lava rock/ember material should be removed and the burner compartment vacuumed and wiped out. Remove and refit the logs as per the instructions in this manual. Always handle the logs with care as they are fragile and may also be hot if the fireplace has been in use. -
Page 37: Replacement Parts
MHSC reserves the right to make changes in design, materials, specifications, prices and discontinue colors and products at any time, without notice. CDVX Ref. Description Log Rear Assy Log Middle Assy Hood Burner Tube Orifice Burner - Natural (not shown) Orifice Pilot - Natural (not shown) Orifice Pilot - Propane (not shown) PIlot Assy SIT - RN... - Page 38 CDVX (continued) Ref. Description Flexible Gas Line w/ON/Off Shut-Off Valve Fan Assy (FK12 Option) Electrical Cord (6 ft.) Door Assy Frame Window Clamp Frame Window Top Louvre Assy Bottom Louvre Assy Grommet Wire/Bushing Assy (not shown) Lava Rock Ember Material Fuel Conversion Kits 36CDVX NG to LP...
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Page 39: Optional Accessories
Optional Accessories Available Fan Kits FK12 This auxiliary fan system increases the efficiency of the circulation of the heating air. The FK12 Fan Assembly is a fixed speed fan system and does not allow for variable speed control. Specifications 115 Volts / 60 Hz / 56 Watts. Maintenance The fan itself does not require regular maintenance, however periodic cleaning of the fan and the... - Page 40 CDVX Series Direct Vent Gas Fireplace 20012253...
- Page 41 CDVX Series Direct Vent Gas Fireplace 20012253...
- Page 42 CDVX Series Direct Vent Gas Fireplace 20012253...
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Page 43: Warranty
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. -
Page 44: Energuide
Efficiency Ratings Model EnerGuide Ratings Fireplace Efficiency (%) 36CDVXRRN 66.9 36CDVXRRP 66.9 36CDVXTRN 36CDVXTRP 149 Cleveland Drive • Paris, Kentucky 40361 Steady State (%) Fan-OFF Fan-ON 76.5 76.5 MHSC www.mhsc.com D.O.E. (AFUE%)