RCTS-MLT Remote Control Kits
-For use with SIT Millivolt Valves only-
- Installation and Operating Instructions -
INTRODUCTION
CAUTION: All wiring should be done by a qualified electrician
and shall be in compliance with local codes and with the
National Electric Code ANSI/NFPA No. 70-current (in the
United States), or with the current CSA C22.1 Canadian
Electric Code (in Canada).
The remote control system can be operated thermostatically
or manually from the transmitter. The system operates on
radio frequencies (RF) within a 20 foot range. It can be
used with Standing Pilot systems only.
This remote control kit has a hand held transmitter that
can be used as a remote on/off or as a thermostat. The
transmitter display shows the current room temperature,
target temperature, timer setting, on/off status, low battery
indicator, current time, burner/valve operation and fan
operation. Electrical ratings for the receiver are: 110 VAC,
60 Hz, 6 W.
WARNING
• Wire 110V to electrical junction box.
• Do NOT wire 110V to valve.
• Do NOT wire 110V to wall switch.
• Incorrect wiring will damage millivolt
valves.
If pertinent, see additional fireplace wiring diagrams on
pages 9 & 10.
FCC REQUIREMENTS
INSTALLATION PRECAUTIONS
WARNING: CHANGES OR MODIFICATIONS TO
THIS UNIT NOT EXPRESSLY APPROVED BY THE
PARTY RESPONSIBLE FOR COMPLIANCE COULD
VOID THE USER’SAUTHORITY TO OPERATE THE
EQUIPMENT.
NOTE: Installation of this kit MUST be done by a qualified
service technician.
This remote control kit is tested and safe when installed in
accordance with this installation manual.
NOTE: This equipment has been tested and found to
comply with the limits for a Class B digital device, pursuant
to Part 15 of the FCC Rules. These limits are designed to
provide reasonable protection against harmful interference
in a residential installation. This equipment generates, uses,
and can radiate radio frequency energy and, if not installed
and used in accordance with the instructions, may cause
harmful interference to radio communications. However,
there is no guarantee that interference will not occur in a
particular installation. If this equipment does cause harmful
interference to radio or television reception, which can be
determined by turning the equipment off and on, the user
is encouraged to try to correct the interference by one or
more of the following measures:
It is the responsibility of the installer to read all instructions
before starting installation and to follow these instructions
carefully during installation. Modification of the remote
control system or any of its components will void the
warranty and may cause a fire hazard.
NOTE: A manometer MUST be used to set the manifold
pressure on the gas valve.
WARNING
EXPLOSION RISK!
- Reorient or relocate the receiving antenna.
• Incorrect setting on regulator tower may
cause delayed ignition.
• The regulator tower is preset for NG.
LP installation will require resetting the tower.
- Increase the separation between the equipment and
receiver.
- Connect the equipment into an outlet on a circuit different
from that to which the receiver is connected.
NOTE: The factory installed junction box in the gas fireplace
must be wired with 110 VAC before installing this kit. See
Installation Instructions section.
- Consult the dealer or an experienced radio TV technician
for help.
Printed in U.S.A. Copyright 2007
Hearth & Home Technologies Inc.
20802 Kensington Boulevard, Lakeville, MN 55044
100-920B 8/07
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Alternative Wiring for units with a wall switch
Disconnect the wall switch wire from the TH terminal on
the valve and connect this wire to male connector supplied
on the receiver. Connect remaining female connector from
receiver to the TH terminal on the valve.
A
B
Adding Optional Fan/Blower
Plug 2-prong fan cord directly into the 3 prong polarized
plug on the back of the receiver (see Figure 3). This
receptacle output is 110/120 VAC, 3 AMP.
C
(Receptacle on back)
LEARN
110/120 VAC, 3A
REMOTE
RECEIVER
Line cord
from fan
Figure 3. Adding Fan/Blower
NOTE: All steps required for installation of the flame controller
MUST be done by a qualified gas service technician.
G
Installing Regulator Tower
NOTE: A manometer MUST be used to set the manifold
pressure on the gas valve.
E
F
1. Using a Torx T20, or slotted screwdriver, remove and
discard the three pressure regulator mounting screws
(A), pressure regulator tower (B), and the spring and
diaphragm assembly (C) See Figure 5.
D
2. Ensure the rubber gasket (D), which is pre-fitted as
part of assembly (E), is properly positioned and install
the new pressure regulator tower using the supplied
screws (F). Tighten screws securely (Reference torque
= 25 lb-in.) and remove cover screw (G).
3. Insert the correct plunger into the flame control
solenoid (BLUE = NATURAL GAS, RED = PROPANE).
See Figure 4.
PLUNGER
Figure 5. Installing Regulator Tower
JAM NUT
REGULATOR
FLAME CONTROL
TOWER
SOLENOID
Figure 4. Plunger insertion
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4. Light the fireplace as directed in the Owner’s Manual.
Adjusting “Low Flame” setting (LP ONLY)
1. Using a 5/16 in. slotted screwdriver turn brass screw
inside regulator tower two complete rotations clock-
wise. See figure 6.
5. Adjust “High Flame” by turning solenoid clockwise to
increase pressure and counterclockwise to reduce
pressure. Adjust until the reading on the manometer is
3.5 inches w.c. for natural gas and 10 in w.c. for LP.
6. Tighten jam nut (Figure 4 and Figure 7) to the face of
the regulator tower body.
7. Turn the main gas knob on the gas valve OFF.
8. Remove the manometer from the pressure tap and
tighten the pressure tap closed.
9. Connect blue wires from the solenoid to the orange
wires on the remote receiver box. See Figure 8.
Figure 6.
2. Loosen outlet pressure tap and install a manometer.
REMOTE
RECEIVER
3. Light the fireplace as directed in the Owner’s Manual.
4. Continue to adjust the LP “Low Flame” by turning
brass screw clockwise to increase pressure and coun-
terclockwise to reduce pressure. Adjust until the low
pressure reading on the manometer to 6.3 in. w.c.
BLUE
RED
5. Proceed to installing Flame Control Solenoid.
ORANGE
WARNING
EXPLOSION RISK!
• Adjust lowpoint setting BEFORE installing
flame control solenoid on LP units.
JAM NUT
PLUNGER
REGULATOR
TOWER
NOTE: A manometer MUST be used to set the manifold
pressure on the gas valve.
Figure 8.
Installing the Flame Control Solenoid and
Wiring the Flame Controller (NG & LP)
1. Ensure the Flame Control Solenoid is not attached to
the remote control receiver box.
Finalizing Remote Installation
1. Turn the main gas knob ON, relight pilot flame, and
turn fireplace ON.
2. Loosen outlet pressure tap and install a manometer.
2. Inspect gas connections around solenoid and regulator
tower with a comercially available, non-corrosive leak
check solution.
3. Install Flame Control Solenoid by turning it into the regula-
tor tower five complete rotations clockwise. See figure 7.
3. Turn fireplace off and proceed to next section.
JAM NUT
Figure 7.
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REMOTE RECEIVER
TRANSMITTER
The remote receiver has a 3-position slide switch: OFF/
REMOTE/ON (see Figure 7).
Important: Before operating remote control, transmitter
and receiver must have matching security codes. See
section ‘Matching Security Codes’.
Important: Review ‘Thermo-Updating/Communication-
Safety Features’ under ‘Transmitter Safety Features’ sec-
tion. Communication Safety features shut down the fire-
place system when a potentially unsafe condition exists.
Important: Review ‘Auto Shutdown’ section. This safety
feature shuts down the fireplace after 9 hours of continuous
operation, in ON mode only.
3 POSITION SWITCH
Important: New or fully charged batteries are essential
for proper operation of the multi-function transmitter. The
transmitter operates on 2 AAA-size 1.5V batteries. Use
Alkaline batteries for longer battery life and maximum
operational performance.
Insert 2 AAA-size 1.5V batteries into the battery compart-
ment on the back of the transmitter. When the batteries
are correctly inserted, the screen will display numbers (see
Figure 7 for LCD Display Screen).
Figure 7. Remote Receiver
NOTE: The remote receiver will only respond to the
transmitter when the 3-position slide button on the
remote receiver is in the Remote position. If the system
does not respond to the transmitter on initial use, see
section Matching Security Codes.
NOTE: If the transmitter is activated from a very cold
condition it may be necessary to allow the transmitter to
stabilize to room temperature (could take up to 15 minutes)
before accurate room temperatures are displayed on the
screen.
1. With the slide switch in the ON position, the system is on.
NOTE: LCD screen is equipped with a “backlite” for easier
viewing of LCD screen. Backlite illuminates when a function
button is depressed. After 5 seconds elapses, LCD screen
will return to its normal state.
2. With the slide switch in the REMOTE position, the system
only operates if the remote receiver receives commands
from the transmitter.
3. With the slide switch in the OFF position, the system is off.
CAUTION
• Prevent accidental appliance operation when not attended.
• Property damage possible from elevated temperatures.
• Unplug or remove batteries from remote control and place
slide switch in the OFF position if absent or if appliance will
not be used for an extended period of time. Placing switch
in OFF position functions as a safety “lock out” by turning
system off and rendering remote receiver inoperable.
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1. LOW - Battery power low. Replace batteries within two weeks.
2. TIMER - Indicates time remaining before system shuts off, when timer-programmed, 9 - hour
maximum setting.
3. MODE - Indicates operation MODE of system. ON indicates the system is on, either
manually or thermostatically. THERMO indicates the system will automatically cycle
ON/OFF, depending on programmed SET temperature. OFF indicates the entire system
is turned off.
4. SET - Indicates desired SET room temperature for THERMO operation.
5. FLAME - Single or double Flame/Hi icon indicates burner/valve
operational.
MODE
6. CLOCK - Indicates the current time in AM/PM.
7. ROOM - Indicates CURRENT room temperature.
SET
UP
TIMER
TIME
DOWN
FLAME
O
8. F - Indicates degrees Fahrenheit (ºC indicates degrees Celsius).
FAN
9. FAN - Indicates fan is on or programmed to come on. Three speed
settings are available.
Figure 8. Transmitter LCD Display Screen
Transmitter Settings
MATCHING SECURITY CODES
Flip open the plastic cover on the front of the transmitter
to expose the “SET” buttons.
It may be necessary to program the remote receiver to the
security code of the transmitter upon initial use, if batteries
are replaced, or if a replacement transmitter is purchased
from your dealer. To program the remote receiver:
NOTE: Flashing numbers on the display indicate the sys-
tem is waiting for input, such as using the UP and DOWN
buttons to program a new setting. If no change is made to
flashing digits within 15 seconds, the system will complete
the procedure last programmed and reset the display to
its normal state.
1. Set the slide button on the receiver to the REMOTE
position.
2. Push the LEARN button (one beep will be heard) on the
top of the remote receiver.
3. Then press the MODE button on the transmitter. Several
beeps indicate the transmitter’s code has been pro-
grammed into the receiver. When an existing receiver is
matched to a new transmitter, the new security code will
overwrite the old one. NOTE: When the LEARN button
is depressed, “beeping” sounds should be heard. If no
“beeping” is heard check to see that the receiver has
110-120VAC power to it.
Setting the Clock
1. Press and hold the TIMER/TIME button on the trans-
mitter for more than two seconds. The hour digit(s) will
begin flashing (see Figure 8, Location #6).
2. Press the UP or DOWN button until the desired hour is
displayed in AM or PM.
If you are unsuccessful in matching the security code on
the first attempt, wait 1-2 minutes before trying again.
3. After setting the desired hour, press and release the
TIMER/TIME button again to set the minutes; the minute
digits will begin flashing.
4. Press the UP or DOWN button until the desired minutes
are displayed.
OPERATING INSTRUCTIONS
To operate the system, press the MODE button (Figure
7) on the transmitter to select the operational MODE de-
sired.
5. Press and hold the TIMER/TIME button again for more
than two seconds. The time digits will cease flashing,
indicating the clock has been successfully set. You may
also press the SET button on the transmitter to stop the
time digits from flashing and set the time.
• ON indicates the system is on, either manually, timed or
thermostatically.
• THERMO indicates the system will automatically cycle
ON/OFF, depending on programmed set temperature.
• OFF indicates the entire system is turned off.
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NOTE: To prevent repeated thermo-cycling of the gas
appliance, the sensing unit in the transmitter will only ac-
tivate the remote receiver when the temperature change
exceeds 20 F (10 C) above or below the SET (desired)
temperature.
When the transmitter is in the THERMO mode, it should be
kept away from direct sources of heat such as fireplaces,
incandescent lighting and direct sunlight. Leaving the trans-
mitter in direct sunlight, for example, will cause it to read
the room temperature higher than it actually is.
SETTING
BUTTON
Setting the Countdown Timer
This remote control system can operate with a built-in
countdown timer when the transmitter is in the ON or
THERMO modes (THERMO or ON must be displayed on
the LCD screen).
1. Press and release the TIMER/TIME button on the trans-
mitter. The word TIMER and 0:15 flash on the screen
(see Figure 8, Location #2).
2. Press the UP and DOWN button to begin advancing
through each of the countdown time options. Available
countdown times are 15 min, 30 min, 45 min, 1 hour,
1 hr 30 min, and each additional half hour up to nine
hours.
Figure 9. Setting Button/Child Proof Lockout
3. To set the TIMER, press the SET button on the transmit-
ter. If the system is ON, it will remain on until the “time”
has expired. If the system is in the THERMO mode, it
will cycle on and off as the room temperature requires
until the “time” has expired.
Setting ºF/ºC Scale
The factory setting for temperature is degrees Fahrenheit(ºF).
To change this setting to degrees Centigrade (ºC):
1. Remove the battery cover on the back of the transmit-
ter and locate the “setting button” at the top center of
battery compartment (see Figure 8).
NOTE: When the timer is used in the THERMO mode,
the THERMO operation will discontinue when the “time”
has expired.
2. Push setting button and ºF will begin flashing on the
LCD screen (see Figure 7, Location #4).
3. Push the DOWN button on the transmitter to change ºF
to ºC.
Operating the Fan -
Operates in ON or THERMO mode
4. Push “setting button” on transmitter and Centigrade (ºC)
degree readings will display on LCD screen.
This remote control system has the capability of operat-
ing a 110 VAC fan or blower system that may be included
with your gas fireplace. The fan will only operate when the
transmitter is in the ON or THERMO mode. (THERMO or
ON must be displayed on LCD screen).
5. Repeat this process to change back to Fahrenheit (ºF)
reading, this time pushing the UP button. NOTE: LCD
screen will return to normal state if setting button is not
pushed within 15 seconds.
1. To turn fan ON, press and release the FAN button on
the transmitter (see Figure 7, Location #9). The fan will
operate at HI speed, and fan blade icon will appear on
LCD screen.
Setting Desired Room Temperature -
Thermo Operations
This remote control system can be thermostatically con-
trolled when the transmitter is in the THERMO mode.
(THERMO must be displayed on the screen). The transmit-
ter will “sense” the room temperature every two minutes
automatically turning the fireplace ON or OFF thermostati-
cally. To set the desired room temperature:
2. To change fan speed to MED, press and release FAN
button again. To change fan speed to LO, press and
release FAN button again.
3. To turn fan OFF, press and release FAN button again.
Fan blade icon will disappear from LCD screen.
1. Press the MODE button to place the transmitter into
THERMO mode. THERMO ON or OFF will display.
2. Press the UP or DOWN button to select the desired
room temperature. The highest SET temperature is 99°
F (32°C). The lowest SET temperature is 45°F (60°C).
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Adjusting the Flame Height -
Should the receiver NOT receive a transmitter signal every
15 minutes (COMMUNICATION-SAFETY feature), the RE-
CEIVER will begin a 2 HOUR (120 minute) countdown tim-
ing function. If during this 2 hour period, the receiver does
not receive a signal from the transmitter, the RECEIVER
will shut down the fireplace being controlled by the receiver.
The RECEIVER will then emit a series of rapid “beeps”.
Then, after 10 rapid “beeps”, the RECEIVER will continue
to emit a single “beep” every 4 seconds until a transmitter
signal is again received. The intermittent 4 second beeping
will go on indefinitely until reset.
Operates in ON or THERMO mode
This remote control system allows the user to control the
height of the FLAME when the gas valve is factory equipped
with a FLAME CONTROLLER.
1. Press and release FLAME button to change flame height
to HI (see Figure 8, Location #5), (a second flame icon
appears).
2. Press again to return flame to normal state.
Low/Battery Indicator
To “reset” the RECEIVER and operate the fireplace system:
An “X” outlined by a battery on the right side of the LCD
screen will appear when battery power has dropped sig-
nificantly. At this time, approximately two weeks of battery
power remains.
1. Press the MODE button on the transmitter. The word
ON must display on the LCD screen. The COMMUNICA-
TION -SAFETY operation is overridden and the system
will return to normal operation depending on the MODE
selected at the transmitter.
Child Proof Lockout (CP)
The transmitter contains a “Child Proof” lockout feature that
prevents unauthorized use of the remote control. To access
the “Child Proof” activation button, remove cover on BACK
of transmitter. To activate LOCKOUT:
We recommend the user check the batteries in the
TRANSMITTER to make sure the voltage is no less than
2.7 volts.
Auto Shutdown
1. Press and hold in the “setting button” for 5 seconds. The
letters CP will display on the LCD screen (see Figure
8). This prevents the activation of fireplace. When any
function button is pressed ON/OFF etc. the letter CP
will display on the LCD screen.
This remote control has an Auto Shutdown feature incor-
porated into its system. When the transmitter MODE is
in the ON position the fireplace will continuously operate
for 9 hours. After 9 hours, the fireplace will shut down. To
relight the fireplace:
To deactivate LOCKOUT:
1. Press the MODE button. The fireplace will operate
continuously for up to 9 hours before Auto Shutdown
repeats cycle. The Auto Shutdown signal comes from
the transmitter. The transmitter must be positioned
within a 20 foot operating range for the Auto Shutdown
feature to operate.
1. Press and hold in the “setting button” for 5 seconds. The
LCD will display CP until 5 seconds have elapsed, and
then the LCD screen will return to its normal state.
TRANSMITTER SAFETY FEATURES
It is recommended that the TRANSMITTERS always be
located within a 20 foot operating range of the fireplace,
preferably in the same room in which the fireplace system
is located. The TRANSMITTER features several safety
features that alert the user when the TRANSMITTER is
placed outside the 20 foot normal operating range.
SYSTEM CHECK
Millivolt Valves
Light the appliance following the lighting instructions that
came with the fireplace. Confirm that the pilot flame is on.
It must be in operation for the main gas valve to operate.
Thermo-Updating and Communication-Safety Fea-
tures
1. Slide the 3-position button on the remote receiver to the
ON position. The main gas flame (i.e., the fire) should
ignite.
This remote control has a COMMUNICATION-SAFETY
function built into its software. It provides an extra margin
of safety when the TRANSMITTER is out of the normal
20 foot operating range of the receiver. It is also activated
when the batteries become weak or are removed from the
transmitter.
2. Slide the button to OFF. The flame should extinguish
(the pilot flame will remain on).
3. Slide the button to REMOTE (the center position), then
press the MODE button on the transmitter to change
the system to ON. The main gas flame should ignite.
In the THERMO-UPDATING feature (only in the THERMO
or TIMER modes) the transmitter normally reads the ROOM
temperature every 2 minutes. In addition to checking the
temperature, the transmitter sends a signal to the receiver in-
dicating that the transmitter and its batteries are still active.
4. Press the MODE button on the transmitter to change
the system to OFF. The flame should extinguish (the
pilot flame will remain on).
5. Press the MODE button on the transmitter to change
the system to THERMO.
In the COMMUNICATION-SAFETY feature, at all times
and in all OPERATING MODES the transmitter sends a
signal every fifteen (15) minutes to the receiver, indicating
that the transmitter is within the normal operating range
of 20 feet.
6. Advance the SET temperature on the transmitter to a
temperature of at least 2º F (1º C) above the ROOM
temperature displayed on the LCD screen and the
system flame will ignite.
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7. Set the SET temperature to at least 2º F (1º C) below
the room temperature and the system flame will extin-
guish. Thereafter, it should continue to cycle on and
off thermostatically approximately every two minutes
as the ROOM temperature changes, but only when
the temperature differential between ROOM and SET
temperatures differs at least 2º F (1º C). The 2º F dif-
ferential is the factory setting.
GENERAL INFORMATION
Transmitter Wall Bracket
The transmitter can be hung on a wall using the bracket
provided. Locate the bracket on an inside wall sufficiently
far away from direct sources of heat such as a fireplace,
incandescent lighting, or sunlight so it detects ambient
room temperatures, not a single heat source. If the bracket
is installed on a solid wood wall, drill 1/8” pilot holes and
install with the screws provided. If it is installed on a plas-
ter/wallboard wall, first drill two 1/4” holes into the wall,
then use a hammer to tap in the two plastic wall anchors
flush with the wall, then install the screws provided.
Timer Operation
The countdown timer will operate in either the manual ON
or THERMO mode. Once the fireplace system is in an
operating mode, set the countdown timer to turn off in 15
minutes. The timer function will allow operation to continue
until the “countdown time” on the LCD screen expires. After
15 min. elapses, the system should turn off.
Battery Life
Life expectancy of the batteries in the transmitter should
be at least 12 months. Check batteries annually. When the
transmitter no longer operates the remote receiver from a
distance it did previously (i.e., the transmitter’s range has
decreased) the batteries should be checked.
Specifications
Power Requirements:
Operating Frequency:
FCC ID No.’s:
3V 2 ea.; AAA 1.5V, Alkaline
303.8 MHZ
Transmitter
K9L300ITX
Canadian ISC ID No.’s: 2439 102 760
Power Requirements:
Operating Frequency:
FCC ID No.’s:
110-120 VAC; 60Hz
303.8 MHZ
K9L3003RX
Remote
Canadian ISC ID No.’s: 2439 102 760A
Service Parts List
DESCRIPTION
SERVICE PART NO.
HTI -18-006
3-PRONG ADAPTOR
SOLENOID-110 VOLT HI/LO
TRANSMITTER WALL HOLDER
BATTERIES-TRANSMITTER
RECEIVER
4021-379
HTI -16-006
HTI -14-006
HTI -13-006
TRANSMITTER (RCT-MLT-HNG)
TRANSMITTER (RCT-MLT-HTL)
TRANSMITTER (RCT-MLT-QF)
HARDWARE PACKAGE
HTI -12-006-HNG
HTI -12-006-HTL
HTI-12-006-QF
HTI -11-006
Limited Warranty
This REMOTE CONTROL SYSTEM is warranted for 12
months from the date of purchase or installation to the original
purchaser to be free from defects in materials and workman-
ship. Damage to the SYSTEM caused by accident, misuse,
abuse, or installation error whether performed by a contractor,
service company, or owner, is not covered by this warranty.
Seller will not be responsible for labor charges and/or damage
incurred in installation, repair, replacement or for incidental or
consequential damages. Batteries and any damage caused
by them are not covered by this warranty.
Some states, provinces, and nations do not allow exclusion
or limitations of incidental or consequential damages, so the
above limitations or exclusions may not apply. This warranty
gives you specific legal rights. You may have other rights that
vary by state, province or nation.
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PILOT
THERMOPILE
THERMOCOUPLE
PIEZO
THERMOSTAT
WIRE ASSEMBLY
RED
VALVE
Figure 10. Standing Pilot Ignition Wiring Diagram
STANDING
PILOT
BRN
RED
VALVE
ON/OFF PIGGYBACK
WIRE
WHT
RED
THERMOSTAT
WIRE ASSEMBLY
Figure 11. Standing Pilot Ignition Wiring Diagram with Piggyback Wire
STANDING
PILOT
REMOTE SWITCH
PIGTAIL
ON
OFF
ON/OFF
SWITCH
VALVE
WHT
RED
OPTIONAL WALL SWITCH,
THERMOSTAT OR REMOTE
Figure 12. Standing Pilot Ignition Wiring Diagram
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