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Innovative Hearth Products
DRT/DRC3500 Series Direct-Vent Gas Fireplaces
THANK YOU FOR YOUR PURCHASE. WE APPRECIATE YOUR BUSINESS!
Please carefully read and follow all instructions in this manual. Pay special attention to all warnings and safety
information. Following these safety, care, and operation instructions will help ensure many years of dependable and
enjoyable service from your fireplace.
Please read and understand these instructions before installing,
operating, or servicing this product.
Safety and Your Fireplace...................................................................2
Important Safety Information ............................................................5
Fireplace Installation, Operation, and Maintenance Notices ...............6
Packaging List ...................................................................................8
Introduction .......................................................................................8
Gas Pressure .....................................................................................9
Requirements for the Commonwealth of Massachusetts ................10
Cold Climate Insulation ....................................................................11
Manufactured Home Requirements .................................................12
Location ...........................................................................................12
Vent Termination Clearances ...........................................................13
Minimum Clearances to Combustibles ............................................15
Wall Finishes / Surrounds / Mantels ................................................16
Installation Preparation ....................................................................16
Installation
Installation Sequence ......................................................................17
Construct the Fireplace Framing ......................................................17
Prepare the Fireplace Top Spacers ...................................................19
Route the Gas Supply Line to the Fireplace .....................................19
Determine Vent Setup in the Combination Venting Unit ...................20
Install Non-Combustible Front Fireboard Standoff ...........................20
Rough in the Electrical Supply, if Needed ........................................21
Place the Fireplace in the Framing and Secure ................................21
Vent System Preparation .................................................................21
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Install the Vent System ....................................................................25
Complete the Field Wiring ................................................................37
Connect the Gas Line .......................................................................39
Verify Proper Fireplace Operation ....................................................40
Initialize the remote control system for the first time ......................41
Optional: Install the Firebox Liners ..................................................43
Install the Logs, Volcanic Stone, and Glowing Embers or Glass
Media ..........................................................................................43
Install the Glass Door ......................................................................43
Adjust the Air Shutter to Ensure Proper Flame Appearance .............43
Install the Hood ...............................................................................45
Reinstall the Included Barrier ..........................................................45
Install the Finishing Materials ..........................................................45
Attach the Safety-in-Operation Warnings.........................................45
Installation Accessories ...................................................................47
Gas Conversion Kits ........................................................................49
Operation
Operation .........................................................................................50
Maintenance ....................................................................................59
Accessory Components ...................................................................62
Lighting Instructions .......................................................................63
Troubleshooting ...............................................................................67
Replacement Parts ..........................................................................68
Warranty ..........................................................................................71
General Information
900298-00, 06/2018
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