
2
20302381
Designer Series Direct Vent Gas Fireplace
CoNTeNTS
Important Safety Information .....................................3
Code approval .............................................................4
Product Specifications................................................5
High Elevations .......................................................5
Gas Pressures ........................................................5
Gas Specifications & Orifice Size ...........................5
Fireplace Dimensions .................................................6
Fireplace Framing Dimensions ..................................8
STLDV Framing ......................................................8
CRLDV/CLLDV Framing .........................................9
PFDV Framing ......................................................10
Installation Information ............................................. 11
Before You Start .................................................... 11
Items Required for Installation .............................. 11 .
Firebox Framing .................................................... 11
Fireplace Location .................................................12
Clearances .................................................................13
Venting Installation ....................................................14
Installation Precautions .........................................14
Optional Top Vent Applications .............................14
Vent Pipe Clearances ...........................................16
Installation Planning ..............................................17
Horizontal & Vertical Termination ..........................17
Termination Location .............................................18
Vent Graph ............................................................19
Rear Wall Vent Installation ....................................20
Horizontal w/Vertical Rise Applications .................22
Below Grade Installation .......................................24
Vertical Through-the-Roof Applications .................25
Installation for Vertical Termination .......................26
Flex Vent Installation .............................................28
Fireplace Installation .................................................31
Check Gas Type....................................................31
Install Gas Piping ..................................................32
Check Gas Pressure .................................................33
electrical Installation.................................................33
Junction Box Wiring ..............................................34
Command Center Wall Installation ........................34
Wall Switch Installation .........................................34
Signature Command Wiring Diagram ...................35
optional Fan/Blower Systems .................................36
Signature Command Single Blower BLOTSTSC ..36
Automatic Dual Thermostat Blower BLOTBLDV ...37
Automatic Single Thermostat Blower BLOTDL .....37
Glass Frame Removal ...............................................38
Final Installation ........................................................39
Rockwool Placement ............................................39
Log Placement ......................................................40
operating Instructions ..............................................43
Safety Information .................................................43
Operating Instructions ...........................................44
To Turn Off Gas to Appliance ................................44
Signature Command System operation..................45
Cleaning and Maintenance .......................................48
Burner, Pilot and Control Compartment ................48
Pilot Flame ............................................................48
Burner Flame ........................................................48
Venting System .....................................................49
Glass Door ............................................................49
Logs ......................................................................49
Rock Wool ............................................................49
Troubleshooting ........................................................50
Signature Command System ................................50
Replacement Parts ....................................................51
Firebox Components .............................................51
Signature Command System ................................52
Logs ......................................................................54
Brick ......................................................................55
Venting Components .............................................56
Massachusetts Residents only................................62
warranty .....................................................................63
efficiencies.................................................................64
Thank you and congratulations on your purchase of an
MhSC 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 fire hazard and will void the warranty.