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Innovative Hearth Products
DRT63ST 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.
TABLE OF CONTENTS
Safety and Your Fireplace ............................ 2
Important Safety Information ...................... 5
and Maintenance Notices ........................ 6
Packaging ................................................... 8
Introduction ................................................ 8
General Information .................................... 8
Approved Vent Components ................... 8
Misc. Codes/Standards ........................... 8
Inputs and Efficiencies ............................ 8
Gas Supply Pressure Requirements ........ 8
Gas Valve Diagram ................................. 9
Orifice Sizes ............................................ 9
Massachusetts / NYC Requirements ....... 9
Cold Climate Insulation ............................... 10
Manufactured Home Requirements ............ 10
Location ...................................................... 10
Vent Termination Clearances ...................... 11
Hearth Extensions (Optional) ...................... 13
Minimum Clearances to Combustibles ........ 14
Pre-Installation Steps .................................. 15
INSTALLATION
Typical Installation Sequence ..................... 15
Step 1. Framing .......................................... 15
Framing Specifications ............................. 16
Fireplace Dimensions ............................... 17
4
Traditional Fireplace
Step 2. Route Gas Line .............................. 18
Step 3. Install Vent System ........................ 19
General Information ................................. 19
Vent Restrictor Assembly/Installation ...... 19
Vertical (Roof) Termination ...................... 20
Vertical Termination with Straight
Vertical Venting ............................... 20
Vertical Termination with Offset
Vertical Venting ............................... 21
and Tables ........................................ 23
Horizontal (Wall) Termination .................. 24
Figures and Tables ........................... 26
Step 4. Field Wiring .................................... 28
Step 5. Remove Glass Door ....................... 29
Step 6. Connecting Gas Line ...................... 29
Step 7. Install Firebox Liner Panels ............ 30
Step 9. Verify Appliance Operation ............. 30
Embers, and Logs .................................... 30
Modesty Panel ........................................ 30
Step 12. Burner Adjustments ..................... 31
Finishing Requirements .............................. 32
Outdoor Kit Installation Instructions ........... 34
Warnings ..................................... 41
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
General Information
900355-01, 01/2020
We recommend that our
gas hearth products be
installed and serviced by
professionals who are
certi ed in the U.S. by the
National Fireplace Institute®
(NFI) as NFI Gas Specialists.
Installation Accessories .............................. 42
OPERATION
Operation and Care of Your Appliance ....... 43
Burn-In Period ............................................ 43
Access ................................................ 43
Operation Warnings .................... 44
Remote Control System ............................. 45
Maintenance ............................................... 47
Barriers and Modesty Panel .............. 48
Embers, and Logs ................................ 49
Burner Adjustments ................................... 52
Flame Appearance and Sooting .................. 52
Electronic Appliance Checkout ................... 53
Ordering Replacement Parts ...................... 54
Product Reference Information .................. 54
Wiring Diagram .......................................... 54
Accessory Components.............................. 55
Operating (Lighting) Instructions ............... 57
Maintenance Schedule ............................... 59
Troubleshooting Guide ............................... 60
Replacement Parts List .............................. 61
Warranty ..................................................... 63
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