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CONTROL
OLR-1X
English/02-2005
USER MANUAL
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This control is valid for operating as a cooling only or heat pump application. The control for the indoor unit
is the same for operating with outdoor units cooling only or heat pump. The indoor unit should be configured
prior to making the electrical connections, by setting the switch for heat pump or for cooling only unit .
For further details, follow the OPERATION AND SERVICE MANUAL in the indoor unit.
SYSTEM CONFIGURATION
USE 2 AAA LR3 TYPE 1,5V ALKALINE BATTERIES.
Push the cover of the wire less remote control and slide it to
remove. Insert batteries in the compartment, paying special
attention to the correct polarity indicated in the battery
compartment.
Replace the cover.
CAUTIONS
Life of batteries is about 12 months under normal conditions.
If the remote control does not work, or it only works near the
unit, the batteries must be replaced.
Never use used batteries. Always use the same type of
battery.
The batteries must be removed from the remote control if not
used for a long period.
HOW TO INSERT BATTERIES
Direct the remote control transmitter towards the unit receiver window and enter choice on the controller. A "beep" will indicate
that the signal has been received.
The unit will not respond to the control signal if there is an object between the remote control and the unit.
The maximum operating range for the remote control is approximately 7 meters.
HOW TO USE THE REMOTE CONTROL
1
TABLE OF CONTENTS
CONTENTS
SYSTEM CONFIGURATION
HOW TO INSERT BATTERIES
HOW TO USE THE REMOTE CONTROL
INFRARED REMOTE CONTROL
DISPLAY INDICATORS
OPERATION
PROGRAMMING ADJUSTMENT
RECEIVER INDICATORS
ALARM
UNIT PROTECTION DEVICES
1
1
1
2
2
3
4
5
5
6
PAGE
Remove batteries
if not used for
long period
°C
AUTO
HM L
°F
MODEFAN
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FAN MODE
SWING SLEEP
ON OFF
CLR CLR
°C
AUTO
HM L
°F
INFRARED REMOTE CONTROL
DISPLAY INDICATORS
2
°C
AUTO
HM L
°F
COOL HEAT DRY
FAN AUTO
COOL HEAT DRY
FAN AUTO
TIME INDICATOR
It indicates the actual time. While ON TIMER - OFF TIMER
selection, it indicates the time selected.
FAN SPEED INDICATOR
It indicates the fan speed selection.
HIGH
MEDIUM
LOW
AUTOMATIC
H
AUTO
M
L
SIGNAL TRANSMISSION INDICATOR
It indicates that the selection made on the infrared
control is being sent to the unit.
AIR SWEEP INDICATOR
It indicates that the Air Sweep function has been
activated.
ON TIMER - OFF TIMER
It indicates that the ON TIMER or OFF TIMER mode
has been selected.
SLEEP INDICATOR
It indicates that the sleep mode has been activated.
OPERATING MODE INDICATORS
Input signals to the air conditioner are sent
from here.
INFRARED SIGNAL TRANSMISSION
It indicates operation modes, setting temperatures
and time programming.
LCD DISPLAY
Used to select the desired temperature.
Pressing the
or buttons will increase or
decrease the required room temperature
value.
TEMPERATURE ADJUSTMENT
BUTTONS
Press the button to start the unit, press it again to
switch it off.
ON/OFF BUTTON
Press it to select the operating function: COOL,
HEAT, DRY, FAN, AUTO.
MODE BUTTON
Select between ventilation speeds
(high, medium, low, and automatic).
FAN SPEED SELECTION
SLEEP MODE
Press it to activate the sleep or energy saving mode
(Not available on fan mode operation and dry mode).
SWING BUTTON
Press SWING button to activate the
Air Sweep function.
TIMER BUTTONS
Used to set clock.
ON TIMER BUTTONS
Used to program the switching ON
of the unit at a specified time.
OFF TIMER BUTTONS
Used to program the switching OFF of the unit at
a specified time.
AUTOMATIC
AUTO
MEDIUM
M
HIGH
H
LOW
L
It indicates the operating mode of the unit.
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Press ON/OFF button to start or stop the unit. When the unit is stopped, if you press this button, the unit will start and
the POWER indicator will be on.
When the unit is on, if you press this button, the unit will stop and the POWER indicator will be off.
1. HOW TO TURN ON/OFF THE UNIT
OPERATION
3
2. SELECTING THE UNIT'S OPERATING MODE
The operating mode is always indicated on the display.
Pressing the button you can change the unit operating mode, and choose the one desired:
MODE
COOL: The unit is working on cooling mode to reach the
temperature desired. Receiver COOL indicator is on.
HEAT: The unit is working on heating mode to reach the
temperature desired. Receiver HEAT indicator is on.
AUTO: The system switches automatically from
cooling to heating mode, depending on the ambient
and desired temperature.
When the unit is working on cooling mode receiver
COOL indicator is on and HEAT indicator blinks. On
the other hand when the unit is working on heating
mode receiver HEAT indicator is on and COOL
indicator blinks.
DRY: The unit is working on dry operating mode.
3. SELECTING DESIRED ROOM TEMPERATURE (SET-POINT)
4. SELECTING THE FAN OPERATING MODE
FAN: The unit is working on fan operating mode.
NOTES:
- If FAN mode is selected, the AUTO fan operating mode can not be
selected.
- If DRY mode is selected, the fan operating mode can not be changed.
HIGH
H
MEDIUMMLOWLAUTOMATIC
AUTO
COOL
DRY
FAN
- Even though LOW speed has been selected on HEATING mode, the unit protects itself changing automatically the speed.
5. SLEEP FUNCTION
Set Point -0.5ºC
Hours
Set Point
Set Point -1ºC
Set Point -2ºC
ºC
Set Point+0.5ºC
Hours
Set Point
Set Point+1ºC
Set Point+2ºC
ºC
Pressing the buttons or allow to select the desired room temperature (set-point).
The button allows the increase of the current set-point.
The button allows the decrease of the current set-point.
The temperature range is from 16ºC / 60ºF to 30ºC / 85ºF.
To change from ºC to ºF or vice versa, press the buttons and at the same time.
NOTE: if we have selected FAN as the unit operating mode, the set-point can not be modified.
Pressing the button you can change the desired fan speed, according to the following sequence:
FAN
Press the button to activate this function; the symbol will be displayed on the remote control.
SLEEP
SWING
Press the button to activate this function; the symbol will be displayed on the remote control.
HEAT
HEAT
AUTO
DRY FA N
COOL
AUTO
SLEEP FUNCTION ON
Increase the set point temperature as the
above drawing shows (FIG. 1).
SLEEP FUNCTION ON
Decrease the set point temperature as the
above drawing shows (FIG. 2).
0.5 1 2
HEATING MODE
0.5 1 2
COOLING MODE
FIG. 1
FIG. 2
The condensate pump starts automatically to work when the compressor is working on cooling mode or when the float switch
indicates overflow.
7. CONDENSATE PUMP
6. SWING FUNCTION
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PROGRAMMING ADJUSTMENT
4
CLOCK
PROGRAMMING STOP OF THE UNIT (OFF TIMER)
The regular use is to combine ON TIMER and OFF TIMER.
ON TIMER AND OFF TIMER functions remain stored until the cancellation keys are pressed, to profit from the programming for
several days.
Press or for 2 seconds to activate; current clock setting will decrease/increase
at 1 minute interval upon each press or
The speed of interval updating will increase after 4 second of continuous key press
or . It will update at high speed after 6 second of continuous key press or
PROGRAMMING START UP OF THE UNIT (ON TIMER)
To turn on the air conditioner unit if previous status is off.
Press to activate ON TIMER. While programming process, the ON
symbol will flash on the display.
The first press of button will show the previous time setting.
Further pressing of the button will advance the time setting in 30 minutes interval.
2 seconds after do not press ON button, the signal is sent to the unit. You can see the
actual time and symbol remains on the display.
Press to deactivate ON TIMER. The symbol will disappear.
1
2
3
4
ON
ON
ON
ON
ON
CLR
1
2
3
4
OFF
OFF
CLR
OFF
OFF
OFF
To turn off the air conditioner unit if previous status is on.
Press to activate OFF TIMER. While programming process, the OFF
symbol will flash on the display.
The first press of button will show the previous time setting.
Further pressing of the button will advance the time setting in 30 minutes interval.
2 seconds after do not press ON button, the signal is sent to the unit. You can see the
actual time and symbol remains on the display.
Press to deactivate OFF TIMER. The symbol will disappear.
OFF
CLR
AM
ON
CLR
ON OFF
CLR CLR
AM ON
ON OFF
CLR CLR
AM ON
ON OFF
CLR CLR
AM ON AM
1 2
3 4
ON OFF
CLR CLR
AM
ON OFF
CLR CLR
AM
OFF
ON OFF
CLR CLR
AM
ON OFF
CLR CLR
AM
1 2
3 4
OFF
OFF
ON OFF
CLR CLR
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RECEIVER INDICATORS AND ON/OFF BUTTON SETTING IN THE INDOOR UNIT
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Remote control signals are
got by this receiver.
RECEIVER window
It indicates that the unit is working
on cooling or heating mode
according the selection.
COMPRESSOR
indicator
Cool mode or automatic mode
operation has been selected.
COOL indicator
It indicates that heat
mode or automatic
mode operation has
been selected.
HEAT indicator
It indicates that the
unit is on operation. If
no more indicators are
on, the unit is
operating on fan
mode.
POWER indicator
DRY indicator
It indicates that the cool mode or
automatic mode operation has been
selected.
COOL indicator
It indicates that the unit is on operation.
If no more indicators are on, the unit
is operating in ventilation mode.
POWER indicator
It indicates that the heat mode is
selected, or automatic mode operation.
HEAT indicator
If the remote control is not available,
press this button to stop/start the unit.
Also, pressing the button repeated times,
the unit operating modes could be
selected according to the following
sequence: OFF-COOL-HEAT.
ON/OFF button
Remote control signals are got by this receiver.
RECEIVER window
It indicates that the dry mode has been
selected.
ALARM
The unit
will stop.
The unit is working on
cooling mode and the indoor
unit coil temperature goes
below a set value.
The unit is working and the
temperature in the indoor unit
coil is too low: Check the
selected temperature . If the
alarm doesn't disappear
check the correct functioning.
Ceiling model: No indication.
Cassette: The compressor led
blinks while the rest of the leds
remain the way they were.
The unit
will stop
Ambient temperature regulation
probe error.
Check sensor connection.
Compressor overload.
During heating cycle the indoor
coil temperature has been too
high.
The unit
will stop
These protections are
automatic reset for the first
time. To reset for the second
time press button "ON/OFF"
until the alarm disappears.
If the alarm shows up again,
please check:
- Indoor coil temperature
probe connections.
- Indoor unit works properly
- Clean air filters.
Overflow of water condensing.
The float switch, has detected
water Overflow.
The unit
will stop
These protections are
automatic reset, the alarm
resets automatically when
there is no more water.
If the alarm shows again:
Check the water drain, and
the float switch connections.
Ceiling model:
Sequence: The Power led is 4
seconds on and 3 seconds off .
Cassette: All leds are off.
Cool:
Power:
Cool:
Power:
Power:
VERSION 1 (CASSETTE MODEL) VERSION 2 (CEILING MODEL)
DESCRIPTION EFFECTS ACTION
ANTI-FREEZE
PROTECTION
BROKEN SENSOR
DETECTION
HEAT OVERLOAD
OVERFLOW
INDICATION
Ceiling model:
Sequence: The Cool led blinks
while the Power led blinks once
every four seconds.
Cassette:
Sequence: The Cool led blinks
while the Power led is on.
Ceiling model:
Sequence: The cool led blinks 5
times, while the Power led is 3
seconds off and 2 seconds on.
Cassette:
Sequence: The Cool led blinks while
the Power led is on.
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UNIT PROTECTION DEVICES
AGAINST FREQUENT COMPRESSOR CYCLING
When COOL / HEAT / AUTOMATIC is selected, the start up of the unit will be delayed for 3 minutes, to protect the unit
against frequent compressor cycling.
AIR PREHEATING
On heating mode, the indoor unit fan will not start or will start at low speed, to prevent from air cool feeling, until the
indoor unit temperature reaches the set temperature; then the unit will operate to the selected temperature.
DEFROST CYCLE
When the unit is operating on heating mode, the unit will do defrost to eliminate the ice that will produce the outdoor unit;
on this cycle, the indoor unit fan will switch off.
AUTO RESTART
If power failure occurs during operation, the unit will start (after power recovery) in the same operation mode as before.
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COD: MUL31E-1003 02-2005
Due to Lennox's ongoing commitment to quality, Specifications, Ratings and Dimensions subject to change without notice and without incurring liability.
Improper installation, adjustment, alteration, service or maintenance can cause property damage or personal injury.
Installation and service must be performed by a qualified installer and servicing agency.
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