Combustion Air Kits; Gas Line Connection; Vent Free Appliances - Lennox RD-42 Installation Instructions Manual

Merit series 42" wood burning fireplaces
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POWER TO THE FIREPLACE
The Optional Blower Kit
Operates on 115 volt 60 Hz
150 watts AC
GROUND
WIRE
House Wiring Must Be Secured
With The Appropriate Electrical
Connector To The Fireplace
Convenience Outlet Wiring
Figure 42
THIS FIREPLACE IS NOT INTENDED TO BE
USED AS A SUBSTITUTE FOR A FURNACE TO
HEAT AN ENTIRE HOME. USE FOR SUPPLE-
MENTARY HEATING ONLY.
Figure 43
The FBK-100/200 Blower Kits are design certi-
fied 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
HOUSE
result in extensive and costly rework.
WIRING
Locate the actuator arm along the right side of
the appliance firebox opening and refer to
Figure 44 .
COVER PLATE
Replace Cover Plate
After Electrical
Hook-Up
Combustion
Air Actuator
Pull Forward to Open,
Push Back to Close
Figure 44
To operate, push the end of the actuator to the
left as shown in Figure 44 , until it "pops" free of
its "locked" position. Pull the actuator forward
to open the combustion air door, and push it
BLOWER THREE
back to close. To "lock" the combustion air door
PRONGED PLUG TO
GROUNDED OUTLET
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.

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: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
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.
The unit has been tested for use with any
unvented log sets having a maximum rating of
32,000 BTU. The minimum mantle configura-
tion for these log sets are outlined in Figure 46 .
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 32,000 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 32,000 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.
15

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