2
20306748
MLDV Series Gas Fireplace
CONTENTS
Thank you and congratulations on your purchase of a
Vermont Castings Group Fireplace.
PLEASE READ THE INSTALLATION AND OPERATION INSTRUCTIONS BEFORE USING THE APPLIANCE!
IMPORTANT: Read all instructions and warnings carefully before starting installation.
Failure to follow these instructions may result in a possible
fi
re hazard and will void the warranty.
Important Safety Information ............................................... 3
Code Approval ....................................................................... 4
Product Features ................................................................... 5
Product
Speci
fi
cations ...................................................... 5
High Elevations ................................................................ 5
Gas
Pressures.................................................................. 5
Gas
Speci
fi
cations & Ori
fi
ce Size ..................................... 5
Fireplace & Framing Dimensions ........................................ 6
Pre-Installation Information
.................................................. 7
Before
You
Start
............................................................... 7
Items Required for Installation.......................................... 7
Firebox
Framing
............................................................... 7
Fireplace Location ............................................................ 7
Clearances ............................................................................. 8
Clearances to Combustibles ............................................ 8
Secure Fireplace to Floor or Framing.................................. 9
Finishing Material ............................................................. 9
Venting Installation .............................................................. 10
Installation Precautions .................................................. 10
Optional
Top
Vent
Application
......................................... 10
Installation
Planning
....................................................... 12
For
Horizontal
Termination
............................................. 12
For
Vertical
Termination
.................................................. 12
Installing a Vent System in an Outside Chase ............... 12
Termination
Location
...................................................... 13
Termination
Clearances.................................................. 14
How to Use the Vent Graph............................................ 14
Rear Wall Vent Installation ............................................. 15
Horizontal w/Vertical Rise Termination Con
fi
gurations. .. 16
Vertical Side Wall Applications ....................................... 18
Below Grade Installations............................................... 19
Vertical
Through-the-Roof
Applications
.......................... 20
Installation for Vertical Termination ................................. 21
Flat Ceiling Installation ................................................... 21
Flex Vent Installation ...................................................... 23
4 x 7 Flex Pipe................................................................ 25
Fireplace Installation ........................................................... 26
Check Gas Type ............................................................. 26
Installing Gas Piping to Fireplace Location .................... 26
Installing Items Needed .................................................. 26
Check Gas Pressure — Millivolt .................................... 27
Electrical Installation
—
Millivolt........................................ 28
Electrical Wiring .............................................................. 28
Remote Wall Mounted Switch ........................................ 28
Optional Fan/Blower (BLOTBLDV)................................. 28
Operating Instructions
—
Millivolt ..................................... 31
For Your Safety............................................................... 31
Lighting Pilot for the First Time ....................................... 31
Lighting Pilot ................................................................... 32
Lighting Burner ............................................................... 33
Check Gas Pressure ...................................................... 34
Electrical Installation — Signature Command ................. 34
Electrical
Wiring
.............................................................. 34
Junction Box Wiring........................................................ 35
Command Center Wall Installation ................................. 35
Wall Switch Installation ................................................... 35
Signature Command Wiring Diagram............................. 36
Optional Fan/Blower System — Signature Command ..... 37
BLOTSDVSC.................................................................. 37
BLOTSDV....................................................................... 38
Operating Instructions — Signature Command ............... 39
For Your Safety............................................................... 39
Operating Instructions .................................................... 40
To Turn Off Gas To Appliance ......................................... 40
Signature Command System Operation.............................41
Features
..........................................................................41
Battery Installation ...........................................................41
System Con
fi
guration/Setup............................................41
Cold Climate Option ........................................................41
Key Combinations for System Settings ...........................42
Functions/Operation ........................................................43
Command Center Operations .........................................43
Self Diagnostics Chart .....................................................43
Final Installation .................................................................. 44
Glass Frame Removal.................................................... 44
Brick
Installation
............................................................. 44
Eyebrow/Canopy
Installation
.......................................... 44
Rockwool Placement ...................................................... 45
Log Placement ............................................................... 45
Safety Barrier Installation Instructions ............................ 47
Cleaning and Maintenance ................................................. 48
Burner, Pilot and Control Compartment ......................... 48
Pilot Flame ..................................................................... 48
Burner............................................................................. 48
Burner
Flame.................................................................. 48
Venting System .............................................................. 49
Glass Door ..................................................................... 49
Logs................................................................................ 49
Rock Wool ..................................................................... 49
Troubleshooting .................................................................. 50
Standing Pilot Ignition Millivolt System ........................... 50
Signature Command System ......................................... 52
Replacement Parts .............................................................. 53
Firebox Components and Accessories ........................... 53
Logs................................................................................ 54
Standing Pilot—Millivolt Control .................................... 55
Signature Command System ......................................... 56
Venting Components ........................................................... 57
Massachusetts Residents Only.......................................... 62
Warranty ............................................................................... 63
Ef
fi
ciencies........................................................................... 64