2
CDVX Series Direct Vent Gas Fireplace
20012253
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.
Table of Contents
Installation & Operating Instructions
General Information, Warnings, Cautions ............................................................................................3
Requirements for the Commonwealth of Massachusetts ....................................................................4
Fireplace Dimensions ..........................................................................................................................5
Locating Your Fireplace .......................................................................................................................7
Clearance to Combustibles .................................................................................................................7
Mantels .............................................................................................................................................7
Hearth .............................................................................................................................................8
Framing and Finishing .........................................................................................................................8
Hood Installation ..................................................................................................................................8
Final Finishing .....................................................................................................................................8
Gas Specifications ...............................................................................................................................9
Gas Inlet and Manifold Pressures .......................................................................................................9
High Elevations ....................................................................................................................................9
Gas Line Installation ............................................................................................................................9
Remote ON/OFF Switch ......................................................................................................................9
120V Electrical Hook Up ....................................................................................................................10
General Venting Information
General Venting .................................................................................................................................10
General Venting Information-Termination Location ...........................................................................11
General Information Assembling Vent Pipes .....................................................................................12
36CDVXR Venting - How to Use the Vent Graph ..............................................................................13
Rear Wall Venting Applications & Installation (Exterior outside wall 7” - 20” from rear of unit) ..........13
Rear Wall Vent Installation - Flex Vent PIpe ......................................................................................15
Rear Wall Vent Application (Exterior outside wall 13” - 20” from rear of unit) ....................................16
Rear Wall Vent Application (Exterior outside wall 20” - 32” from rear of unit) ....................................16
Vertical Sidewall Applications & Installation .......................................................................................17
Below Grade Installation ....................................................................................................................19
Vertical Through-the-Roof Applications & Installation ........................................................................20
36CDVXT Vertical Venting - How to Use the Vent Graph ..................................................................22
36CDVXT Top Vent Baffle .................................................................................................................22
Vertical Sidewall Applications & Installation .......................................................................................23
Below Grade Installation ....................................................................................................................25
Vertical Through-the-Roof Applications & Installation ........................................................................26
Venting Components .........................................................................................................................28
Operating Instructions
Glass Information ..............................................................................................................................29
Louvre Removal ................................................................................................................................29
Window Frame Assembly Removal ...................................................................................................29
Glass Cleaning ..................................................................................................................................29
Logs ...........................................................................................................................................30
Ember Material and Lava Rock Placement .......................................................................................30
Flame & Temperature Adjustment .....................................................................................................30
Flame Characteristics ........................................................................................................................30
Lighting and Operating Instructions ...................................................................................................31
Troubleshooting .................................................................................................................................33
Fuel Conversion Instructions .............................................................................................................34
Maintenance
Cleaning the Standing Pilot Control System ......................................................................................36
Replacement Parts ...................................................................................................................................37
Optional Accessories ................................................................................................................................39
Warranty .......................................................................................................................................................43
Energuide ....................................................................................................................................................44
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