Table Of Contents - Montigo L42DF Installation & Maintenance Manual

L42DF* Indoor Gas Fireplace
Safety Alert Key
Introduction
.................................................................................3
Installation
Before you Start .................................................................................4
Installation Checklist ...............................................................................4
Section 1:
Installation Overview and Product Dimensions .....................5
Section 2:
Framing the Fireplace ............................................................6
Clearances ............................................................................6
Section 3:
The Direct Vent System ..................................................7 - 11
Section 3-1: Converting from Top Vent to Rear Vent .............................7
Section 3-2: Installing a Roof mounted Termination .........................8 - 9
▪ Section 3-2-1: Venting Layout ..........................................................8
▪ Roof mounted Terminations
Standard Top Vent (no elbows or offsets) ......................................8
Top Vent (two elbows one offset) ..................................................8
Top Vent (multi-elbows and offsets) ..............................................8
Standard Roof Vent (one elbows no offsets) ................................9
▪ Section 3-2-2: Venting Components .................................................9
Section 3-3: Installing a Wall mounted Termination .............................10
▪ Standard PTO Installation ........................................................10
▪ Pre-installed MSR Frame .........................................................10
▪ Pre-installed BSR Frame ..........................................................10
▪ Installing MOSR Frame ............................................................10
▪ Installing VSS Termination Shield .............................................10
▪ Installing PTKOG Heat Guard ..................................................10
▪ Section 3-3-1: Venting Layout ................................................11 - 12
▪ Top Vent, Wall mounted Graph, L42DF .................................... 11
▪ Top Vent, Wall mounted termination (one elbow) ..................... 11
▪ Top Vent, Wall mounted termination (multi elbow) ................... 11
▪ Top Vent, Wall mounted termination (45° corner) ....................12
▪ Top Vent, Wall mounted termination (-45° corner) ..................12
▪ Rear Vent, Wall mounted Termination Graph ...........................13
▪ Standard Rear Vent, (no elbows or offsets) ..............................13
▪ Rear Vent, Wall mounted termination (two elbows) ..................13
Page 2
NOTICE
You must read and understand this manual prior to installation, operation or
troubleshooting this appliance. Please retain this owner's manual for furure reference
and maintenance.

Table of Contents

▪ Section 3-3-2: Venting Components .................................................14
▪ Section 3-3-3: Heat Shields ..............................................................15
▪ Installing a RHS8 Wall Mounted Heat Shield ...........................15
▪ Installing a RHS101 Wall Mounted Heat Shield .......................15
Section 4:
Wiring ...............................................................................16
▪ SIT - IPI gas control and pilot ...................................................16
▪ Installing HFK Fan Kit ...............................................................16
Section 5:
Installing the Gas Line .........................................................17
Section 5-1: Fuel Conversion ...............................................................17
Section 5-2: Gas Pressure ...................................................................17
Section 5-3: Gas Connection ...............................................................17
Section 6:
Finishing ..............................................................................18
▪ Finishing around the fireplace ......................................................18
▪ Installing the nailing flange extension ...........................................18
Section 7:
Installing and Removing the Door .......................................19
Section 8:
Installing the Accessories ....................................................20
▪ Installing the L42DF Firestones ....................................................20
▪ Installing the L42DF Artificial River Rocks ....................................20
Section 9:
Operation ......................................................................21 - 23
▪ Start-up Sequence with Continuous Pilot .....................................21
▪ Start-up Sequence SIT-IPI Gas valve ...........................................23
Maintenance ........................................................................24 - 25
▪ General ...............................................................................24
▪ Cleaning ...............................................................................24
▪ SIT Hi-Lo Burner Adjustment ........................................................24
▪ SIT Pilot Burner Adjustment .........................................................24
▪ Troubleshooting ....................................................................25
SIT- Nova 820 Gas Control Valve .............................................25
SIT- IPI Electronic Gas Control Valve .......................................25
▪ Parts List ...............................................................................25
Appendix
A. Termination Locations ...............................................................26
B. Warranty ...............................................................................27
C. State of Massachusetts. ...........................................................28
XG0181 - 112811