Owner`s manual


You must read and understand this manual prior to installation, operation or
troubleshooting this appliance. Please retain this owner’s manual for future reference
and maintenance.
NOTICE
Table of Contents
L42DF* Indoor Gas Fireplace
XG0181 - 112811.1
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 .................................................................................3

Before you Start .................................................................................4
Installation Checklist ...............................................................................4
 Installation Overview and Product Dimensions .....................5
 Framing the Fireplace .......................................................6 - 8
Clearances ............................................................................7
Installing the Standoffs ..........................................................7
Installing the Nailing Flange Extension ..................................7
Framing the Heat Shield ........................................................8
 The Direct Vent System ..................................................9 - 17
Converting from Top Vent to Rear Vent .............................9
 Installing a Roof mounted Termination .....................10 - 11
▪ Section 3-2-1: Venting Layout .................................................10 - 11
▪ Roof mounted Terminations
Standard Top Vent (no elbows or offsets) ....................................10
Top Vent (two elbows one offset) ................................................10
Top Vent (multi-elbows and offsets) ............................................10
Standard Roof Vent (one elbows no offsets) .............................. 11
 Installing a Wall mounted Termination ......................12 - 17
▪ Standard PTO Installation ........................................................12
▪ Pre-installed MSR Frame .........................................................12
▪ Pre-installed BSR Frame ..........................................................12
▪ Installing MOSR Frame ............................................................12
▪ Installing VSS Termination Shield .............................................12
▪ Installing PTKOG Heat Guard ..................................................12
▪ Section 3-3-1: Venting Layout .................................................13- 16
▪ Top Vent, Wall mounted Graph, L42DF* ...................................13
▪ Top Vent, Wall mounted termination (one elbow) .....................13
▪ Top Vent, Wall mounted termination (multi elbow) ...................13
Top Vent, Wall mounted termination (retracted) ......................14
▪ Top Vent, Wall mounted termination (45° corner) ....................15
▪ Top Vent, Wall mounted termination (-45° corner) ..................15
▪ Rear Vent, Wall mounted Termination Graph ...........................16
▪ Standard Rear Vent, (no elbows or offsets) ..............................16
▪ Rear Vent, Wall mounted termination (two elbows) ..................16
▪ Section 3-3-2: Venting Components .....................................................17
▪ Section 3-3-3: Heat Shields ..............................................................18
▪ Installing a RHS8 Wall Mounted Heat Shield ...........................18
▪ Installing a RHS101 Wall Mounted Heat Shield .......................18
 Wiring ........................................................................19 - 20
▪ SIT - Nova 820 gas control and pilot .....................................19
▪ SIT - Proame gas control and pilot ......................................19
▪ Installing remote On/Off wall switch ......................................20
▪ Installing HFK Fan Kit ............................................................20
▪ Top / Rear Intake Air Adjustment ...........................................20
 Installing the Gas Line .........................................................21
 Fuel Conversion ...............................................................21
 Gas Pressure ...................................................................21
Gas Connection ...............................................................21
 Finishing ..............................................................................22
▪ Finishing around the replace ......................................................22
▪ Mantels and Surrounds ................................................................22
 Installing and Removing the Door .......................................23
 Installing the Accessories ....................................................24
▪ Installing the Firestones ................................................................24
▪ Installing the Optional Burner Cover Kit .......................................24
 Operation ......................................................................25 - 26
▪ Start-up Sequence with SIT Nova 820 Continuous Pilot ..............25
▪ Start-up Sequence SIT Proame Gas valve .................................26
 ........................................................................27 - 29
▪ General ...............................................................................27
▪ Cleaning ...............................................................................27
▪ SIT Nova 820 Hi-Lo Burner Adjustment........................................27
▪ SIT Proame Pilot Burner Adjustment ..........................................27
▪ Troubleshooting ...........................................................................28
SIT- Nova 820 Gas Control Valve .............................................28
SIT Proame Gas Control Valve ...............................................28
▪ Replacement Parts List .................................................................29

A. Termination Locations ...............................................................30
B. Warranty ...............................................................................31
C. State of Massachusetts. ...........................................................32