Table Of Contents - Vermont Castings LHER20 Homeowner's Installation And Operating Manual

LHE Series Natural Vent Insert
PLEASE READ THE INSTALLATION & OPERATING INSTRUCTIONS BEFORE USING THIS APPLIANCE.
Thank you and congratulations on your purchase of a CFM Corporation fireplace insert.
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 manufacturers' warranty.
Installation Instruction
Important Curing/Burning Instructions ................................................................................................3
Locating Your Fireplace Insert ............................................................................................................3
Insert Applications ..............................................................................................................................3
Fireplace & Trim Dimensions .............................................................................................................4
Mantels ...............................................................................................................................................5
Framing & Finishing ............................................................................................................................5
Zero Clearance Applications ...............................................................................................................5
Gas Specifications ..............................................................................................................................6
Gas Inlet & Manifold Pressures ..........................................................................................................6
High Elevations ...................................................................................................................................6
Preparation .........................................................................................................................................6
Gas Line Installation ...........................................................................................................................6
Gas Supply Pressures ........................................................................................................................7
Fan Kit ................................................................................................................................................7
Fan Removal Instructions ...................................................................................................................7
Installation of Trim Switch for RN/RP Gas Valves ..............................................................................7
Venting and Installation ......................................................................................................................8
Common Flue Installations .................................................................................................................9
Liner Installation .................................................................................................................................9
Draft Relief Opening ...........................................................................................................................9
Test Chimney Draw .............................................................................................................................9
Vent Safety System ..........................................................................................................................10
Vent Safety Switch Access ...............................................................................................................10
Ceramic Refractory Installation ........................................................................................................10
Operating Instructions
General Glass Information ............................................................................................................... 11
Louvre Removal ...............................................................................................................................11
Glass Cleaning .................................................................................................................................11
Glass Frame Removal ......................................................................................................................11
Log & Burner Lava Rock Installation ................................................................................................ 11
Large Lava Rock Placement ............................................................................................................12
Flame Adjustment ............................................................................................................................12
Flame Characteristics .......................................................................................................................12
First Firing .........................................................................................................................................13
Lighting & Operating Instructions ....................................................................................................14
Troubleshooting Gas Control (820 Millivolt Gas Valve) ....................................................................15
Troubleshooting Gas Control (Honeywell) .......................................................................................16
Instructions for RF Comfort Control Valve ........................................................................................17
Maintenance
Cleaning the Standing Pilot Control System .....................................................................................21
Trim Cleaning ...................................................................................................................................21
Replacement Parts ..............................................................................................................................................22
Optional Accessories
Remote Controls ...............................................................................................................................25
Zero Clearance Kit ............................................................................................................................25
Trim Options .....................................................................................................................................25
Warranty ...............................................................................................................................................................26
EnerGuide ...........................................................................................................................................................28
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