Lennox Hearth Merit Series RDI-36-H - Manual (Page 15)

NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. 15
Figure 44
The FBK-100/200 Blower Kits are design cer-
tified by Warnock Hersey for use with these
appliances.
Always check local building codes. Installation
of the FBK Blower Kits must comply with local
regulations as well as the National Electric Code.
Combustion Air Kits
These appliances are equipped with an outside
(make-up) air door and integral actuator arm. If
the appliance is to be installed with an outside air
vent system, use only FireCraft Models FAOK-4
or FAOK-4LD Combustion Air Kits. These kits
come complete with detailed installation instruc-
tions and all components necessary in complet-
ing a combustion air vent system.
After completing the installation of the optional
combustion air vent system the actuator arm
must be put in service and tested to ensure
proper operation before completing any enclo-
sure around the firebox. Failure to do so may
result in extensive and costly rework.
Locate the actuator arm along the right side of
the appliance firebox opening and refer to
Figure 45.
To operate, push the end of the actuator to the
left as shown in
Figure 45, until it "pops" free of
its "locked" position. Pull the actuator forward
to open the combustion air door, and push it
back to close. To "lock" the combustion air door
closed, ensure the actuator is pushed all the
way back then push the end of the actuators to
the right until the step in the actuator moves
behind the appliance front face within the slot-
ted opening.
Operate the actuator through several cycles
including the "lock position. Ensuring proper
operation and freedom of movement. Return
the actuator arm to the locked position.
Figure 45
The unit has been tested for use with any
unvented log sets having a maximum rating of
26,000 BTU. The minimum mantle configura-
tion for these log sets are outlined in
Figures
46 and 47.
Log sets with 40,000 BTU may be installed
provided that no combustible mantle projec-
tions are placed lower than 18 inches from the
fireplace opening.
These fireplaces have been marked with a
maximum rating of 26,000 BTU to assure that
homeowners do not exceed the allowable lim-
its for all allowed installations of mantles. That
limit may be increased to 40,000 BTU, pro-
vided that the mantle installed complies with
the 18-inch limitation and a copy of these
instructions are available.
NEVER INSTALL AN UNVENTED GAS LOG
SET WITH A BTU GREATER THAN 26,000 IF
COMBUSTIBLE MANTLE PROJECTIONS ARE
LOWER THAN 18 INCHES ABOVE THE FIRE-
PLACE OPENING.
CAUTION: WHEN USING THE DECORATIVE
GAS APPLIANCE, THE FIREPLACE DAMPER
MUST BE SET IN THE FULLY OPEN POSITION.
CAUTION: PLUMBING CONNECTIONS SHOULD
ONLY BE PERFORMED BY A QUALIFIED, LI-
CENSED PLUMBER. MAIN GAS SUPPLY MUST
BE OFF WHEN PLUMBING GAS LINE TO FIRE-
PLACE OR PERFORMING SERVICE.
If you’re installing a gas line, connect it before
the fireplace is framed and enclosed in the
finished wall. The gas knockout is determined
by the indentation located at the bottom and
slightly off center in the side refractories. THE
KNOCKOUT IS ALWAYS REMOVED FROM IN-
SIDE THE FIREPLACE. DO NOT REMOVE THE
KNOCKOUT UNLESS YOU ARE INSTALLING A
GAS LINE. If removal is attempted from the
outer wrapper, side refractory damage may
occur. With a medium-sized hammer, lightly
tap the surface of the indentation. The refrac-
tory material is very thin in this area and is easily
removed. Once a small hole has been made,
continue tapping until you have reached suffi-
cient diameter for the gas line to fit through. The
entire knockout does not have to be removed.
Remove insulation in the gas line channel.
IMPORTANT: REPACK INSULATION MATERIAL
IN SQUARE HOLE AROUND GAS LINE, INTE-
RIOR AND EXTERIOR OF FIREPLACE, TO SEAL.
BLOWER THREE
PRONGED PLUG TO
GROUNDED OUTLET
Combustion
Air Actuator
Pull Forward to Open,
Push Back to Close
Gas Line Connection
Install a 1/2" gas supply line through fireplace
wall for connection to a decorative gas appli-
ance inside the firebox. Outside, the gas supply
line connects to a gas shut-off valve recessed
flush into the wall or floor. The valve should be
controlled by a removable valve key for safety.
Always plumb gas line installation per local
codes. Check all connections and test for gas
leaks, using a gas leak test solution (also
referred to as bubble leak solution).
Note: Using a soapy water solution (50% dish
soap, 50% water) is an effective leak test
solution but it is not recommended, because
the soap residue that is left on the pipes/
fittings can result in corrosion over time. Never
use an open flame to check for leaks.
This provision is intended for connection to a
decorative gas appliance incorporating an au-
tomatic shut-off device and complying with the
Standard for Decorative Gas Appliances for
installation in vented fireplaces, ANSI Z21.60
(1991) or American Gas Association draft re-
quirements for Gas-Fired Log Lighters for Wood
Burning Fireplaces, Draft No. 4 dated August,
1993. Install in accordance with the National
Fuel Gas Code, ANSI Z223.1. This complies
with the revised U.L. 127 standard.
Vent Free Appliances
This unit has been tested and approved to
ANSI/IAS/AGA Z21.11.2 for use with unvented
gas appliances and complies with the stan-
dard for Factory-Built fireplaces, UL 127, when
installed with unvented gas log sets. Special
instructions with regards to mantle installa-
tions must be taken into consideration when
installing such appliances.