2
51D0528
LX Series Direct Vent Gas Fireplace
coNteNtS
Important Safety Information ......................................3
code Approval ..............................................................4
product Features ..........................................................5
High Elevations ........................................................5
Gas Pressures .........................................................5
Gas Specifications & Orifice Size ............................5
Fireplace & Framing Dimensions................................6
Installation Information ................................................7
Before You Start .......................................................7
Fireplace Framing ....................................................7
Fireplace Location ....................................................8
clearances ....................................................................9
Secure Fireplace to Floor or Framing.......................10
Finishing Material .......................................................10
Venting Installation .....................................................11
Optional Top Vent Application ................................11
Installation Precautions ..........................................12
Installation Clearances for Vent Pipe .....................13
Installation Planning ...............................................14
Horizontal Termination ...........................................14
Vertical Termination ................................................14
General Information - Termination Location ...........15
How to Use the Vent Graph ...................................16
Rear Wall Vent Installation .....................................17
Horizontal (Through the Wall) Termination ................
Configuration ..........................................................18
Below Grade Installation ........................................20
Vertical Through-the-Roof Installation ....................20
Installation for Vertical Termination ........................21
Fireplace Installation ..................................................23
Check Gas Type.....................................................23
Install Gas Piping ...................................................23
checking Gas pressure .............................................25
electrical Installation..................................................25
Electrical Wiring .....................................................25
Remote Wall Switch ...............................................26
Glass Removal ............................................................27
Log placement ............................................................28
Air Restrictor Adjustment ..........................................32
Facing Installation ......................................................33
operating Instructions ...............................................34
What To Do If You Smell Gas .................................34
Lighting Pilot for the First Time ..............................34
Lighting Pilot ..........................................................35
Lighting Burner .......................................................36
To Turn Off Gas ......................................................36
Maintenance ................................................................37
Venting System ......................................................37
Cleaning Glass .......................................................37
Pilot and Burner Flames ........................................37
Firebox Cleaning ....................................................37
Glass Replacement ....................................................38
Blower..........................................................................38
troubleshooting .........................................................39
Replacement parts .....................................................40
optional Accessories .................................................42
Massachusetts Residents only.................................46
Warranty ......................................................................47
efficiencies..................................................................48
congratulations
!
you have purchased a state-of-the-art gas appliance featuring the Lex-Fire Burn System available exclusively
on MhSc gas appliances.
the Lex-Fire Burn System sets a new standard for flame appearance through innovative log design, burner
technology and ember placement. each element affecting combustion and flame appearance was carefully
scrutinized and strategically balanced during the design process.
