Installation
900414-00 12/2015
Innovative Hearth Products
MHD 35/40 Series Direct-Vent Gas Fireplaces
42
2.
Light the fireplace. Follow the lighting procedure on the lighting label in the control compartment or
Page 65
.
3.
Allow the burner to operate for at least fifteen (15) minutes while observing the flame continuously to ensure that
the proper flame appearance is achieved
(
Figure 40
)
. If the following conditions are present, adjust accordingly.
• If flame appears weak or sooty, adjust the air shutter, incrementally, to a more open position until the proper
flame appearance is achieved.
• If flame remains blue, adjust the air shutter, incrementally, to a more closed position until the proper flame
appearance is achieved.
4.
When satisfied that the burner flame appearance is normal, reinstall the lower control compartment door, then
proceed to finish the installation.
Figure 40 - Fireplaces Flame Appearance
Table 29 - Main Burner Shutter Opening—Factory Setting
Models
Natural Gas
Propane
All
1/16”
(2 mm)
1/8”
(4 mm)
20.
Install the Hood
NOTE:
All models must have a hood installed prior to operation.
1.
Install the hood by sliding it into the slots on the lower edge of the cabinet top.
NOTE:
To install the non-combustible finish material flush with the top of the hood, the hood must be installed before
installing the finish material. If finish material is installed flush with the top edge of the hood, the hood cannot be
removed.
NOTE:
To install the hood after installing the non-combustible finish material over the black surface above the
fireplace opening, the bottom edge of the finish material must be 5/8” above the top edge of the hood to allow
clearance for installation and removal of the hood.
21.
Reinstall the Included Barrier
WARNING
Reinstall any barrier removed before operating the fireplace. The barrier is designed to
reduce the risk of burns from hot glass. Do not operate the fireplace without the barrier
installed.
NOTE:
All models must have a barrier installed prior to operation.