2
41DVN / DVSN Direct Vent Gas Fireplace
20009999
Installation
General Information, Warnings, Cautions ........................................................................... 3
& Operating Instructions
Requirements for the Commonwealth of Massachusetts ................................................... 4
Fireplace Dimensions .......................................................................................................... 5
Locating Your Fireplace ...................................................................................................... 7
Clearance to Combustibles ................................................................................................. 7
Mantels ................................................................................................................................ 7
Hearth ................................................................................................................................. 8
Framing & Finishing ............................................................................................................ 8
Final Finishing ..................................................................................................................... 8
Gas Specifications .............................................................................................................. 8
Gas Inlet and Manifold Pressures ....................................................................................... 8
High Elevations ................................................................................................................... 8
Gas Line Installation ........................................................................................................... 8
Optional Remote ON/OFF Switch Installation ..................................................................... 9
Alternate Switch Location ................................................................................................. 10
EB-1 Electrical Box ........................................................................................................... 10
Optional Top Vent Application ........................................................................................... 10
General Venting
General Venting ................................................................................................................ 12
General Venting Information - Termination Location ......................................................... 13
General Information Assembling Vent Pipes ..................................................................... 14
Flex Vent Pipes ................................................................................................................. 14
Twist Lock Pipes ............................................................................................................... 15
How to Use the Vent Graph .............................................................................................. 15
Rear Wall Vent Application & Installation .......................................................................... 15
Vertical Sidewall Application & Installation ........................................................................ 17
Below Grade Installation ................................................................................................... 21
Vertical Through-the-Roof Application & Installation ......................................................... 21
Venting Components ......................................................................................................... 24
Operating Instructions
Glass Information .............................................................................................................. 25
Louvre Removal ................................................................................................................ 25
Window Frame Assembly Removal .................................................................................. 25
Glass Cleaning .................................................................................................................. 25
Installation of Logs, Lava Rock & Ember Material ............................................................ 26
Flame & Temperature Adjustment ..................................................................................... 27
Flame Characteristics ....................................................................................................... 27
Inspecting the Venting System .......................................................................................... 27
Lighting and Operating Instructions (SIT Valve) ................................................................ 28
Lighting and Operating Instructions (White-Rodgers Valve) ............................................. 29
Troubleshooting Gas Control (SIT 820 Millivolt Gas Valve) .............................................. 30
Troubleshooting Gas Control (White-Rodgers Valve) ....................................................... 33
Fuel Conversion Instructions ............................................................................................ 34
Unit Adjustment ................................................................................................................. 39
Maintenance
Cleaning the Standing Pilot Control System ..................................................................... 41
Replacement Parts
.......................................................................................................................................... 43
Optional Accessories
Fan Kits ............................................................................................................................. 46
Hard (Direct) Wire Hook Up .............................................................................................. 46
Remote Controls ............................................................................................................... 47
Ceramic Refractory Panels ............................................................................................... 47
Decorative Bay Windows .................................................................................................. 47
Decorative Frame Trim ...................................................................................................... 47
Warranty
.......................................................................................................................................... 48
Installation and Startup Checklist
............................................................................................................................... 49
Warranty Registration
.......................................................................................................................................... 51
Energuide
.......................................................................................................................................... 52
PLEASE READ THE INSTALLATION & OPERATING INSTRUCTIONS BEFORE USING APPLIANCE.
Thank you and congratulations on your purchase of a CFM Corporation 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.
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