Mars Comfort-Aire Century A-VMH09CU-1 Use and maintenance manual

REMOTE CONTROL MANUAL
Cassette Unit
Models
A-VMH09CU-1
A-VMH12CU-1
A-VMH18CU-1
A-VMH24CU-1
517.787.2100 • www.marsdelivers.com

Remote Control Manual - A-VMH09,12,18,24CU-1
2
CONTENTS
NOTE:
3
4
7
8
8
8
9
10
Handling the remote control ......................................................... 14
Remote Control Specifications.....................................................
Operation buttons .................. ......................................................
Indicators on LCD ..........................................................................
How to use the buttons .................................................................
Auto operation.................................................................................
Cooling/Heating/Fan operation......................................................
Dehumidifying operation ...............................................................
Timer operation...............................................................................
•Button design is based on typical model and might be slightly different from the actual one you
purchased; the actual shape shall prevail.
•All the functions described are accomplished by the unit. If the unit does not have this feature,
there is no corresponding operation when pressing the relative button on the remote control.
•When there are wide differences between "Remote Control Illustration" and "USER'S
MANUAL" on function description, the description of "USER'S MANUAL" shall prevail.

Remote Control Manual - A-VMH09,12,18,24CU-1
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Rated Voltage 3.0V (Two AAA dry batteries)
17317000A06740
Remote Control Specifications
Environment
Signal Receiving Range
MODE
FAN
TEMP
SLEEP
SWING DIRECT
LED FOLLOW
ME
TURBO SELF
CLEAN
ON/OFF
SILENCE
FP
TIMER
ON
TIMER
OFF
26.25 ft/8 m
Model
23°F~140°F

Remote Control Manual - A-VMH09,12,18,24CU-1
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MODE
FAN
TEMP
SLEEP
ON/OFF
SILENCE
FP
TIMER
ON
TIMER
OFF
1
2
4
3
8
9
7
5
6
10
12
11
13
14
1
2
ON/OFF Button
This button turns the air conditioner ON and
OFF.
MODE Button
Press this button to modify the air conditioner
mode in a sequence of following:
3
4
5
AUTO COOL
DRY
HEAT FAN
NOTE：Please do not select HEAT mode if the
machine you purchased is cooling only type.
Heat mode is not supported by the cooling only
appliance.
FAN Button
Used to select the fan speed in four steps:
AUTO LOW MED HIGH
NOTE: You cannot switch the fan speed in
AUTO or DRY mode.
SLEEP Button
Active/Disable sleep function. It can maintain
the most comfortable temperature and save
energy. This function is available on COOL,
HEAT or AUTO mode only.
For the detail, see "sleep operation" in
"USER'S MANUAL".
NOTE: While the unit is running under SLEEP
mode, it will be canceled if MODE, FAN SPEED
or ON/OFF button is pressed.
SELF CLEAN Button
Active/Disable Self Clean function. Under
SELF CLEAN mode, the air conditioner will
automatically clean and dry the Evaporator
and keep it as fresh for the next operation.
Operation of buttons
6
TURBO Button
Active/Disable Turbo function. Turbo function
enables the unit to reach the preset temper-
ature at cooling or heating operation in the
shortest time (if the indoor unit does not
support this function, there is no
corresponding operation when pressing this
button.)
SWING DIRECT
LED FOLLOW
ME
TURBO SELF
CLEAN

Remote Control Manual - A-VMH09,12,18,24CU-1
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MODE
FAN
TEMP
SLEEP
ON/OFF
SILENCE
FP
TIMER
ON
TIMER
OFF
1
2
4
3
8
9
7
5
6
10
12
11
13
14
7
9
8
TIMER ON Button
Press this button to initiate the auto-on time
sequence. Each press will increase the auto-timed
setting in 30 minutes increments. When the setting
time displays 10.0, each press will increase the
auto-timed setting 60 minutes increments.
To cancel the auto-timed program, simply adjust
the auto-on time to 0.0.
Operation of buttons
SWING DIRECT
SILENCE/FP Button
•Active/Disable SILENCE function. If pushing
more than 2 seconds, the 'FP' function will be
activated, pushing more than 2 seconds again
to disable.
•When the Silence function is activated, the
compressor will operate at low frequency and
the indoor unit will bring a faint breeze, which
will reduce the noise to the lowest level and
create a quiet and comfortable room for you.
Due to low frequency operation of
compressor, it may result in insufficient cooling
and heating capacity.
•The 'FP' function can only be activated during
the heating operation (only when the setting
mode is HEAT). The unit will operate at a
setting temperature of 46°F. The display
window of indoor unit will display 'FP'. Press
the buttons of ON/OFF, SLEEP, FP, MODE,
FAN SPEED, UP or DOWN while operating
will cancel the 'FP function.
LED FOLLOW
ME
TURBO SELF
CLEAN
UP Button ( )
Push this button to increase the indoor temperature
setting in 1oF increments to 86oF.
DOWN Button ( )
Push this button to decrease the indoor temperature
setting in 1oF increments to 62oF.
NOTE: Temperature control is not available in Fan
mode.
NOTE: Press and hold UP and DOWN buttons
together for 3 seconds to alternate the temper-ature
display between the OC & OF scale.

Remote Control Manual - A-VMH09,12,18,24CU-1
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14
13
FOLLOW ME Button
Operation of buttons
Push this button to initiate the Follow Me
feature, the remote display is actual
temperature at its location. The remote
control will send this signal to the air
conditioner every 3 minutes until pressing
the Follow Me button again. The air
conditioner will cancel the Follow Me feature
automatically if it does not receive the signal
during any 7 minute interval.
LED Button
Disable/Active indoor screen Display. When
pushing this button, the indoor screen
display is cleared, press it again to light the
display.
11
12
Press this button to initiate the auto-off time
sequence. Each press will increase the auto--
timed setting in 30 minute increments. When
the setting time displays 10.0, each press will
increase the auto-timed setting
60 minute increments. To cancel the auto-
timed program, simply adjust the auto-off
time to 0.0
SWING Button
Used to stop or start horizontal louver auto
swing feature.
DIRECT Button
Used to change the louver movement and set
the desired up/down air flow direction.
The louver changes 6O in angle for each press.
MODE
FAN
TEMP
SLEEP
ON/OFF
SILENCE
FP
TIMER
ON
TIMER
OFF
1
2
4
3
8
9
7
5
6
10
12
11
13
14
SWING DIRECT
LED FOLLOW
ME
TURBO SELF
CLEAN
10
TIMER OFF Button
10

Remote Control Manual - A-VMH09,12,18,24CU-1
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Indicators on LCD
Fan speed indication
Mode display
Information is displayed when the
remote control is powered up.
Displayed when data transmitted.
Displayed when remote control is ON.
Battery display (low battery detection).
Not available for this unit.
Displayed in Sleep Mode operation.
Indicated that the air conditioner is
operating in Follow me mode.
Not available for this unit.
Not available for this unit.
Low speed
Medium speed
High speed
Auto fan speed
Note:
All indicators shown in the figure are for the purpose
of clear presentation. But during the actual operation
only the relative functional signs are shown on the
display window.
Displayed when TIMER ON time is set.
Displayed when TIMER OFF time is set.
Show set temperature or room
temperature, or time under TIMER
setting.
AUTO
HEAT FAN
COOL DRY

Remote Control Manual - A-VMH09,12,18,24CU-1
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How to use the buttons
Cooling /Heating/Fan operation
Ensure power is available.
1. Press the MODE button to select COOL,
HEAT (cooling & heating models only) or
FAN mode.
2. Press the UP/DOWN buttons to set the
desired temperature. The temperature can be
set within a range of 62OF~ 86OF in 1OF
increments.
3. Press the FAN button to select the fan speed
in four steps- Auto, Low, Med, or High.
4. Press the ON/OFF button to start the air
conditioner.
NOTE
In the FAN mode, the setting temperature is not
displayed on the remote control and you are not
able to control the room temperature either. In this
case, only steps 1, 3 and 4 may be performed.
Auto operation
Ensure power is available. The OPERATION
indicator on the display panel of the indoor unit
starts flashing.
1. Press the MODE button to select Auto.
2. Press the UP/DOWN button to set the
desired temperature. The temperature can
be set within a range of 62OF~ 86OF in 1OF
increments.
3. Press the ON/OFF button to start the air
conditioner.
1. In the Auto mode, the air conditioner can logically
choose the mode of Cooling, Fan, and Heating
by sensing the difference between the actual
ambient room temperature and the setting
temperature on the remote control.
2. In the Auto mode, you cannot switch the fan speed.
It is automatically controlled.
3. If the Auto mode is not comfortable for you, the
desired mode can be selected manually.
NOTE
MODE
FAN
TEMP
ON/OFF
TIMER
ON
TIMER
OFF
4
1
3
2
MODE
FAN
TEMP
ON/OFF
SILENCE
FP
SILENCE
FP
TIMER
ON
TIMER
OFF
3
1
2
LED FOLLOW
ME
LED FOLLOW
ME
TURBO SELF
CLEAN
TURBO SELF
CLEAN
SWING DIRECT
SWING DIRECT
SLEEP
SLEEP

Remote Control Manual - A-VMH09,12,18,24CU-1
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SILENCE
FP
Dehumidifying operation
Ensure power is available. The OPERATION
indicator on the display panel of the indoor unit
starts flashing.
1. Press the MODE button to select DRY mode.
2. Press the UP/DOWN buttons to set the desired
temperature. The temperature can be set
within a range of 62OF~ 86OF in 1OF increments.
3. Press the ON/OFF button to start the air
conditioner.
NOTE
In the Dehumidifying mode, you cannot switch the
fan speed. It is automatically controlled.
MODE
FAN
TEMP
ON/OFF
TIMER
ON
TIMER
OFF
3
1
2
How to use the buttons
LED FOLLOW
ME
TURBO SELF
CLEAN
SWING DIRECT
SLEEP

Remote Control Manual - A-VMH09,12,18,24CU-1
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2
1
Timer operation
1. Press the TIMER ON button. The remote
control shows TIMER ON, the last Auto-on
setting time and the signal "H" will be shown on
the LCD display area. Now it is ready to reset
the Auto-on time to START the operation.
2. Push the TIMER ON button again to set
desired Auto-on time. Each time you press the
button, the time increases by half an hour
between 0 and 10 hours and by one hour
between 10 and 24 hours.
3. After setting the TIMER ON, there will be a one
second delay before the remote control
transmits the signal to the air conditioner.
Then, after approximately another 2 seconds,
the signal "h" will disappear and the set
temperature will reappear on the LCD display
window.
Press the TIMER ON button to set the auto-on time
of the unit. Press the TIMER OFF button to set the
auto-off time of the unit.
To set the Auto-on time.
To set the Auto-off time.
1. Press the TIMER OFF button. The remote
control shows TIMER OFF, the last Auto-off
setting time and the signal "H" will be shown
on the LCD display area. Now it is ready to
reset the Auto-off time to stop the operation.
2. Push the TIMER OFF button again to set
desired Auto-off time. Each time you press the
button, the time increases by half an hour
between 0 and 10 hours and by one hour
between 10 and 24 hours.
3. After setting the TIMER OFF, there will be a
one second delay before the remote control
transmits the signal to the air conditioner.
Then, after approximately another 2 seconds,
the signal "H " will disappear and the set
temperature will reappear on the LCD display
window.
MODE
FAN
TEMP
ON/OFF
TIMER
ON
TIMER
OFF
SILENCE
FP
LED FOLLOW
ME
TURBO SELF
CLEAN
SWING DIRECT
SLEEP

Remote Control Manual - A-VMH09,12,18,24CU-1
11
•When you select the timer operation, the remote control automatically transmits the
timer signal to the indoor unit for the specified time. Therefore, keep the remote control
in a location where it can transmit the signal to the indoor unit properly.
•The effective operation time set by the remote control for the timer function is limited
to the following settings: 0.5, 1.0, 1.5, 2.0, 2.5, 3.0, 3.5, 4.0, 4.5, 5.0, 5.5, 6.0, 6.5, 7.0,
7.5, 8.0, 8.5, 9.0, 9.5, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23 and 24.
!
CAUTION
Example of timer setting
Start
Off
6 hours later
TIMER ON
(Auto-on Operation)
The TIMER ON feature is useful when you want
the unit to turn on automatically before you return
home. The air conditioner will automatically start
operating at the set time.
Example:
To start the air conditioner in 6 hours.
1. Press the TIMER ON button, the last setting of
starting operation time and the signal "H" will
show on the display area.
2. Press the TIMER ON button to display "6.0H"
on the TIMER ON display of the remote
control.
3. Wait for 3 seconds and the digital display area
will show the temperature again. The "TIMER
ON" indicator remains on and this function is
activated.
Set

Remote Control Manual - A-VMH09,12,18,24CU-1
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Stop
On
SetSet 10 hours la
TIMER OFF
(Auto-off Operation)
The TIMER OFF feature is useful when you want the
unit to turn off automatically after you go to bed. The
air conditioner will stop automatically at the set time.
Example:
To stop the air conditioner in 10 hours.
1 .. Press the TIMER OFF button, the last setting of
stopping operation time and the signal "H" will
show on the display area.
2. Press the TIMER OFF button to display "10H " on
the TIMER OFF display of the remote control.
3. Wait for 3 seconds and the digital display area will
show the temperature again. The "TIMER OFF"
indicator remains on and this function is activated.
On
Stop
2 hours later
after setting
Set
COMBINED TIMER
(Setting both ON and OFF timers simultaneously)
TIMER OFF → TIMER ON
(On → Stop → Start operation)
This feature is useful when you want to stop the air
conditioner after you go to bed, and start it again in
the morning when you wake up or when you return
home.
Example:
To stop the air conditioner 2 hours after setting and
start it again 10 hours after setting.
1. Press the TIMER OFF button.
2. Press the TIMER OFF button again to display.
2.0H on the TIMER OFF display.
3. Press the TIMER ON button.
4. Press the TIMER ON button again to display 10H
on the TIMER ON display.
5. Wait for 3 seconds and the digital display area will
show the temperature again. The "TIMER ON
OFF" indicator remains on and this function is
activated.
Start
10 hours later
after setting

Remote Control Manual - A-VMH09,12,18,24CU-1
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TIMER ON → TIMER OFF
(Off → Start → Stop operation)
This feature is useful when you want to start
the air conditioner before you wake up and
stop it after you leave the house.
Example:
To start the air conditioner 2 hours after setting,
and stop it 5 hours after setting.
1. Press the TIMER ON button.
2. Press the TIMER ON button again to display.
2.0H on the TIMER ON display.
3. Press the TIMER OFF button.
4. Press the TIMER OFF button again to display.
5.0H on the TIMER OFF display.
5. Wait for 3 seconds and the digital display area
will show the temperature again. The "TIMER
ON & TIMER OFF" indicator remains on and
this function is activated.
Off Stop
Start
2 hours later
after setting
5 hours later
after setting
Set

Remote Control Manual - A-VMH09,12,18,24CU-1
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8m
MODE
SWINGTEMP
SHORTCUT
FAN
SPEED
OFF
TIMER
RESET LOCK
LED
FOLLOW ME
ON
TIMER
TURBO
SELF CLEAN
DIRECT
SLEEP
FRESH
Use the remote control within a distance of 26.25 ft/8
meters from the appliance, pointing it towards the
receiver. Reception is confirmed by a beep.
The remote control can be attached to a wall or pillar
by using a remote control holder (not supplied,
purchased separately).
Before installing the remote control, check that the air
conditioner receives the signals properly from this
location.
Install the remote control with two screws.
For installing or removing the remote control, move it
up or down in the holder.
Location of the remote control.
Using the remote control holder (optional)
CAUTIONS
The air conditioner will not operate if curtains,
doors or other materials block the signals from
the remote control to the indoor unit.
Prevent any liquid from falling into the remote
control. Do not expose the remote control
to direct sunlight or heat.
If the infrared signal receiver on the indoor unit
is exposed to direct sunlight, the air conditioner
may not function properly. Use curtains to
prevent the sunlight from falling on the receiver.
If other electrical appliances react to the remote
control, either move these appliances or consult
your local dealer.
Do not drop the remote control. Handle with care.
Do not place heavy objects on the remote control, or
step on it.
Handling the remote control

Remote Control Manual - A-VMH09,12,18,24CU-1
15
Replacing batteries
The following cases signify exhausted batteries.
Replace old batteries with new ones.
Receiving beep is not emitted when a signal
is transmitted.
Indicator fades away.
The remote control is powered by two AAA
dry batteries housed in the lower rear part
and protected by a cover.
1. Remove the cover in the rear part of
remote control.
2. Remove the old batteries and insert the
new batteries, placing the (+) and (-) ends
correctly.
3. Install the cover back on.
NOTE: When the batteries are removed, the
remote control erases all programming. After
inserting new batteries, the remote control must
be reprogrammed.
CAUTIONS
Do not mix old and new batteries or batteries
of different types.
Do not leave the batteries in the remote
control if they are not going to be used for 2
or 3 months.
Do not dispose batteries as unsorted
municipal waste. Collection of such waste
separately for special treatment is necessary.

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