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NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
LENNOX HEARTH PRODUCTS • MONTEBELLO
®
DLX DIRECT VENT GAS FIREPLACES (MDLX40/45) • INSTALLATION INSTRUCTIONS
Installing and initializing the Remote
Control System
REQUIRED ITEMS (not provided):
• Standard Junction Box
• Paper Clip or similar object (for remote
control system initialization)
Installing and Wiring the Receiver
(Wall Switch)
The receiver for the Total Comfort Control™
Remote Control System connects directly to
the gas valve, stepper motor, and fan control
module with an umbilical cord wiring harness.
1. Install a junction box (not provided) on
the wall adjacent to the appliance, within
reach of the remote system umbilical cord
wiring harness. Position the 6-pin termi-
nal within the junction box in preparation
for attachment to the remote receiver.
2. When wall finish is complete, install the
receiver in the previously installed junc-
tion box, and connect the 6-pin terminal
to the 6-pin connector on the back of the
receiver.
3. Install the receiver cover plate, taking care
to ensure the receiver switch is properly
indexed with the switch cover when align-
ing the components for attachments.
Initializing the Remote Control System
After completing fireplace installation, initialize
the remote control system before operating
the fireplace.
4. Insert the three (3) provided AAA batteries
into the battery bay in the transmitter, tak-
ing care to correctly align polarity (+/ - ).
5. Insert the four (4) provided AA batteries
into the receiver battery bay (behind the
wall switch plate), taking care to correctly
align polarity (+/ - ).
6. On the receiver, place the three-position
slider switch in the REMOTE position
(
Figure 34
).
7. On the receiver front cover, insert the end
of a paper clip (or other similar object; not
provided) into the hole marked “PRG.”
The receiver will “beep” three times to
indicate it is ready to synchronize with
the transmitter.
8. On the transmitter, press the ON button.
The receiver will “beep” four times to
indicate acceptance of the transmitter’s
command (and set the receiver to the
transmitter’s specific code). The system
is now initialized.
WARNING
Fire hazard. Can cause severe
injury or death. The receiver
causes ignition of the appliance.
The appliance can turn on
suddenly. Keep away from
the appliance burner when
operating the remote system or
activating manual bypass of the
remote system.
CAUTION
Property damage hazard. Exces-
sive heat can cause property
damage. The appliance can stay
lit for many hours. Turn off the
appliance if it is not going to be
attended for any length of time.
Always place the transmitter
where children can not reach it.
Figure 34 - Receiver (Wall Switch)
Remote
Off
On
PRG
Three-position slider switch
in REMOTE position
Figure 35 - Transmitter (Remote Control)
Hot Fireplace Will Cause
Severe Burns
Never Allow Children to
Touch Glass or other Fire-
place Parts
WARNING
LCD Display
ON/OFF Key
ROOM
TEMP.
Key
UP/DOWN
Arrow Key
MODE Key
The remote control system provides remote
operation of the following fireplace functions:
• Primary burner ON/OFF
• Flame height and heat output adjustment
(six levels)
The receiver accepts commands via radio
frequency from the transmitter and does not
require line-of-sight operation.
The slider switch on the receiver can be set to
one of three positions:
• ON (manual override)
• OFF (manual override)
• REMOTE (remote control)
See the fireplace Care and Operation Instruc-
tions for detailed instructions on using the
remote control system to operate the fireplace.