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NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
LENNOX HEARTH PRODUCTS • MONTEBELLO
®
SEE-THROUGH POWER VENT DV GAS FIREPLACES (LSM40ST-N-PV) • CARE AND OPERATION INSTRUCTIONS
Figure 3: SIT Proflame Gas Valve
Orange Wire
(From DFC Wire
Harness)
Pressure
Regulator
Tower
Yellow Ground Wire
(From DFC Wire
Harness)
Green Wire
(From DFC Wire
Harness)
Line (In) Test Port
Manifold (Out)
Test Port
Connect GTMS
Wire Harness
Remote Control System
The Remote Control System allows you to com-
mand the functions of your fireplace from the
comfort of your chair. It is configured to control
the On/Off primary burner operation and flame
levels (through six levels) and provide On/Off
and Smart control of this appliance.
The receiver connects directly to the gas valve,
stepper motor with and umbilical cord wiring
harness (see wiring diagram on Page 17).
The Receiver is powered by 4 AA type batteries,
located within.
The Receiver accepts commands via radio
frequency from the Transmitter and does not
require line-of-sight operation.
The Receiver three-position slider switch can
be set to one of three positions: ON (Manual
Override), REMOTE (Remote Control), or OFF.
Initializing the System for the First Time
Install the 4 AA batteries into the receiver bat-
tery bay (behind the wall switch plate).
Note: Install the batteries into the battery bay
as indicated on the battery cover. Ensure that
batteries are installed with proper polarity (+/-).
Place the three-position slider switch in the
"Remote" position (see Figure 4, next page).
Using the end of a paper clip, or other similar
object, insert the end of the paper clip into
the hole marked “PRG” on the Receiver front
cover. The Receiver will "beep" three (3) times
to indicate that it is ready to synchronize with
a Transmitter.
CAUTION: Property damage hazard. Ex-
cessive 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.
Temperature Indicator Display
With the system in the "OFF" position, press the
Room Temperature Key and the Mode Key at
the same time (see Figure 5, next page). Look
at the LCD screen on the Transmitter to verify
that a C or F is visible to the right of the Room
Temperature display (see Figure 6, next page).
Turn ON the Appliance
With the receiver switch in the "Remote" posi-
tion, press the ON/OFF Key on the Transmitter.
The Transmitter display will show all active
icons on the screen. At the same time, the
Receiver connects to the gas valve coil and
the appliance main burner turns on. A single
"beep" from the Receiver will confirm reception
of the command.
Turn OFF the Appliance
Press the ON/OFF Key on the Transmitter. The
Transmitter LCD display will only show the
room temperature and Icon. At the same time,
the Receiver disconnects the gas valve coil
and the appliance burner turns off. A single
"beep" from the Receiver confirms reception
of the command.
Remote Flame Control
The system has six (6) flame levels. See
Figure 7 (next page) for an example. With the
system on, and the flame level at the maxi-
mum in the appliance, pressing the DOWN
Arrow Key once will reduce the flame height
by one step until the flame is turned off.
The UP Arrow Key will increase the flame height
each time it is pressed. If the Up Arrow Key is
pressed while the system is on but the flame is
off, the flame will come on in the high position
(see Figure 8, next page). A single "beep will
confirm reception of the command.
Install the 3 AAA type batteries in the Trans-
mitter battery bay, located on the base of the
Transmitter. With the batteries already installed
in the Transmitter, push the ON button. The
Receiver will "beep" four times to indicate the
Transmitter's command is accepted and sets
to the particular code of that Transmitter. The
system is now initialized.
Low Battery Power Detection
The life span of the Receiver batteries depends
on various factors: quality of the batteries used,
the number of ignitions of the appliance, the
number of changes to the room temperature
set point, etc.
When the Receiver batteries are low, no "beep"
will be emitted from the Receiver when it receives
an ON/OFF command from the Transmitter. This
is an alert for a low battery condition for the
Receiver. When the batteries are replaced the
"beep" will be emitted from the Receiver when
the ON/OFF key is pressed (See “Initializing the
System for the First Time,” at left).
When the transmitter batteries are low, a bat-
tery icon will appear on the LCD display of the
transmitter before all battery power is lost.
When the batteries are replaced this icon will
disappear.
WARNING
Fire Hazard. Risk of 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 Control System or when
activating manual bypass of the
Remote Control System.