General Information
900414-00 12/2015
Innovative Hearth Products
MHD 35/40 Series Direct-Vent Gas Fireplaces
4
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.
We recommend that our
gas hearth products be
installed and serviced by
professionals who are
certified in the U.S. by the
National Fireplace Institute®
(NFI) as NFI Gas Specialists.
General Information
Safety and Your Fireplace ..................................................................
2
Important Safety Information ............................................................
5
Fireplace Installation, Operation, and Maintenance Notices ...............
6
Packaging ..........................................................................................
8
Introduction .......................................................................................
8
Gas Pressure .....................................................................................
9
Requirements for the Commonwealth of Massachusetts ................
10
Cold Climate Insulation ....................................................................
10
Manufactured Home Requirements .................................................
11
Location ...........................................................................................
11
Vent Termination Clearances ...........................................................
12
Minimum Clearances to Combustibles ............................................
14
Wall Finishes / Surrounds / Mantels ................................................
15
Installation Preparation ....................................................................
15
Installation
Installation Sequence ......................................................................
16
Construct the Fireplace Framing ......................................................
16
Prepare the Fireplace Top Spacers ...................................................
18
Route the Gas Supply Line to the Fireplace .....................................
18
Determine Vent Setup in the Combination Venting Unit ...................
19
Install Metal, Non-Combustible Front Standoff for 40” Models Only ....
19
Rough in the Electrical Supply, if Needed ........................................
20
Install the [Optional] Blower Kit .......................................................
20
Place the Fireplace in the Framing and Secure ................................
20
Vent System ....................................................................................
20
Connect the Gas Line .......................................................................
39
Verify Proper Fireplace Operation ....................................................
40
Firebox Liners ..................................................................................
40
Install the Logs, Volcanic Stone, and Glowing Embers ....................
41
Install the Glass Door and Replace the Barrier ................................
41
Adjust the Air Shutter to Ensure Proper Flame Appearance .............
41
Install the Hood ...............................................................................
42
Reinstall the Included Barrier ..........................................................
42
Install the Finishing Materials ..........................................................
43
Attach the Safety-in-Operation Warnings.........................................
43
Installing Batteries in Remote Receiver and Wall Switch .................
43
Installation Accessories ...................................................................
45
Gas Conversion Kits ........................................................................
47
Operation
Operation .........................................................................................
50
Maintenance ....................................................................................
59
Accessory Components ...................................................................
62
Lighting Instructions .......................................................................
65
Troubleshooting ...............................................................................
67
Replacement Parts ..........................................................................
68
Warranty ..........................................................................................
71