25
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
LENNOX HEARTH PRODUCTS • MERIT® SERIES DIRECT-VENT GAS FIREPLACES • MODELS MLDVT-30/35/40/45 • INSTALLATION INSTRUCTIONS
Note: Remote receiver should be located in the
wall, or if installed in the control compartment,
pulled all the way forward and completely to the
left or right against the corner posts. The door
must be removed first to place the receiver in
the lower control compartment.
7. If wall-mounted ON/OFF control or thermo-
stat is to be used, mount it in a convenient
location on a wall near the fireplace.
8. If an optional control is to be used, wire it in
the low voltage circuit as shown in Figure
38.
Note: The supplied 15 feet of 2 conductor wire
has one end of each conductor connected
to the gas valve circuit and the other end
of each conductor placed loose inside the
bottom compartment.
9. If the optional unit mounted (FRS) control
switch is installed, turn the appliance-
mounted ON/OFF burner control switch to
the OFF position.
10. After the wiring is complete, replace the
cover plate.
Note: No batteries to be installed in the battery
holder until a power outage, or if the appliance is
to be operated solely with two (2) "D" batteries.

BLOWER CONTROL CIRCUIT WIRING

120V, 60HZ, 1PH

Factory Wired
Ground
Field Wired
Junction Box
Tab Intact
Tab
Broken
Plug blower
into this
receptacle
neerG - dnuorG
* Wall-mounted
ON/ OFF Blower
Switch or Variable
Speed Control Switch.
Blower
etihW - lar
t
ueN
120 VAC - Black
Green
Ground
Screw
White
Green
Neutral
Side of
Receptacle
Hot
Side of
Receptacle
Red
Black
Figure 39 - J-BOx WIRING
Step 5. WIRING: OPTIONAL FORCED AIR BLOWER KIT
Blower Access
Blower access is through the firebox bottom.
Remove the sub-floor, remove the burner and
remove ten screws securing the GTA assembly
to the firebox.
An electrical outlet box is provided for the instal-
lation of the FBK-100 and FBK-200 forced air
blower kit. Electrical power must be provided
to this box to operate these blowers.
Install the blower kit according to the installation
instructions provided with the kit. Reposition
and reinstall the GTA assembly, burner and
sub-floor.