USER’S MANUAL
Duct Type Series
Silhouette duct : AVMDH(C)✴✴
High static pressure duct : AVMHH(C)✴✴
System Air Conditioner
E S F I P D G R DB98-05146A(6)
Contents
N
PREPARING YOUR AIR CONDITIONER
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Safety Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
View of the Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Wireless Remote Controller-Buttons and Display . . . . . . . . . . . 6
The Receiver & Display Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Wired Remote Controller-Buttons and Display . . . . . . . . . . . . . 8
Centralized Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Function controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
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RECOMMENDATIONS FOR USE
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Operating Recommendations . . . . . . . . . . . . . . . . . . . . . . . . . 11
Temperature and Humidity Ranges . . . . . . . . . . . . . . . . . . . . . 11
Cleaning Your Air Conditioner . . . . . . . . . . . . . . . . . . . . . . . . 12
Solving Common Problems . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Correct Disposal of This Product
(Waste Electrical & Electronic Equipment)
(Applicable in the European Union and other European countries with separate collection systems)
This marking shown on the product or its literature, indicates that it should not be disposed with other household
wastes at the end of its working life. To prevent possible harm to the environment or human health from uncontrolled
waste disposal, please separate this from other types of wastes and recycle it responsibly to promote the sustainable
reuse of material resources.
Household users should contact either the retailer where they purchased this product, or their local government
office, for details of where and how they can take this item for environmentally safe recycling.
Business users should contact their supplier and check the terms and conditions of the purchase contract.
This product should not be mixed with other commercial wastes for disposal.
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View of the Unit
The figures are shown in this instruction may differ from yours depending on the model.
Indoor Unit
AVMDH(C)✴✴
Air
outlet
Air
inlet
Air filter
Indoor Unit
AVMHH(C)✴✴
Air
outlet
Air
inlet
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Outdoor Unit
TYPE A
TYPE B
Air outlet
Air outlet
Connection
valve
Connection valve
Outdoor Unit
TYPE C
TYPE D
Air outlet
Air outlet
Connection valve
Connection valve
Outdoor Unit
TYPE E
TYPE F
Air outlet
Air outlet
Connection valve
Connection valve
If the heat exchanger in the outdoor unit gets dusty, cooling efficiency may fall.
So clean the heat exchanger with water when it becomes dirty. However, be careful
when you wash the surface of the heat exchanger because it is very sharp.
Note
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Wireless Remote Controller-Buttons and Display
The wireless remote controller is an optional accessory.
To use the wireless remote controller, refer to an appropriate manual.
Mode selection button
Operating mode
Temperature adjustment
buttons
Temperature setting
Filter Reset button
Fan speed
Air flow direction
On Timer setting
Fan speed adjustment
button
Swing button (Not operated)
On Timer button
Off Timer setting
Off Timer button
Battery discharge indicator
On/Off & Timer
Set/Cancel button
Note
N After cleaning the air filter, press the filter reset button.
N Duct type air conditioner does not have function of adjusting air flow direction.
Therefore, the function is not operated even if you press the swing button.
N The heating mode( ) is not selected in cooling only models.
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The Receiver & Display Unit
The Receiver & Display unit is an optional accessory and it is installed on the wall.
To use the receiver & display unit, refer to an appropriate manual.
Concealed Type
Filter sign indicator
Fan indicator
Timer indicator
Remote control sensor
- Heat Pump Models :
On/Off indicator(Blue) &
Removing frost
indicator(Red)
- Cooling Only Models :
On/Off indicator
Standard Type
Removing frost indicator
(Except Cooling Only Models)
Filter sign indicator
Remote control sensor
On/Off indicator
Fan indicator
On/Off button
Timer indicator
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Wired Remote Controller-Buttons and Display
The wired remote controller is an optional accessory and it is installed on the wall.
To use the wired remote controller, refer to an appropriate manual.
Operating mode
Removing frost indicator
(Except Cooling Only Models)
Centralized controller indicator
(In case of installing the Centralized controller)
Communication error indicator
Temperature setting
Fan speed
On Timer setting
Off Timer setting
Air flow direction
Filter Sign indicator
Test indicator
On/Off & Timer
Set/Cancel button
Temperature adjustment
buttons
On/Off indicator
On Timer button
Fan speed adjustment
button
Off Timer button
Swing button
(Not operated)
Test button
Filter Reset button
Mode selection button
Note
N Test button is for your installation specialist. You must NOT press it.
N After cleaning the air filter, press the filter reset button. Then the wired remote
controller will display the FILTER SIGN indicator when the time to clean the air
filter; refer to page 12 or 13.
N Duct type air conditioner does not have function of adjusting air flow direction.
Therefore, the function is not operated even if you press the swing button.
N The heating mode( ) is not selected in cooling only models.
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Centralized Controller
The centralized controller is an optional accessory and it is installed on the wall.
To use the centralized controller, refer to an appropriate manual.
Front View
Operating lamp
All On button
All Off button
On/Off indicators
On/Off buttons
Index
Note
The operating lamp comes on even when only one air conditioner
connected to the centralized controller is operating.
Side View
Operating Mode Switch
COOL
AUTO
HEAT
Note
N Choose the appropriate operating mode with the Operating Mode Switch
that enables the user to choose between the Cool/Auto/Heat mode.
N The heating mode( ) is not selected in cooling only models.
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Function Controller
The function controller is an optional accessory and it is installed on the wall.
The function controller is an additional controller which is used with the centralized controller.
To use the function controller, refer to an appropriate manual.
Operating mode
Removing frost indicator
Centralized controller indicator
(Except Cooling Only Models)
Communication error indicator
Temperature setting
Room number display
Fan speed
Air flow direction
Test indicator
Filter Sign indicator
On/Off & Timer
Set/Cancel button
Temperature adjustment
buttons
On/Off indicator
Fan speed adjustment
button
Indoor unit selection button
Swing button
Test button
Filter Reset button
Mode selection button
Note
N
Test button is for your installation specialist. You must NOT press it.
N After cleaning the air filter, press the filter reset button. Then the wired remote controller
will display the FILTER SIGN indicator when the time to clean the air filter.
N The heating mode( ) is not selected in cooling only models.
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Operating Recommendations
Here are a few recommendations that you should follow when operating your air conditioner.
Topic
Recommendation
Heating
The heat pump function of the air conditioner absorbs heat from outside air and brings
performances it indoors. As the temperature of the outside air drops, the heating performance of air
conditioner will decrease. If you find that the room is not warm enough, using an
additional heating appliance is recommended.
Frost
When outside temperature is low but humidity is high,
frost may form on the outdoor unit at HEAT mode.
If this happens:
N The heating operation stops.
N The defrost mode will be triggered automatically for about 10 minutes.
N The steam produced on the outdoor unit in the defrost mode is safe.
No intervention is required ; after about 10 minutes, the air conditioner operates
again normally.
High indoor
and outdoor
If both indoor and outdoor temperatures are high and the air conditioner is running
at HEAT mode, the outdoor unit’s fan and compressor may stop at times.
temperatures This is normal ; simply wait until the air conditioner switches on again.
Power failure
If a power failure occurs while the air conditioner is operating, the unit will be
switched off. When the power returns, the air conditioner starts up again
automatically.
Temperature and Humidity Ranges
The following table indicates the temperature and humidity ranges, within which the
air conditioner can be used.
If the air conditioner is used at...
Then...
High temperature
The automatic protection feature may be triggered and the air
conditioner stopped.
Low temperature
A water leakage or some other malfunction may happen if
the heat exchanger freezes.
High humidity levels
Water may condense on and drip from the surface of the
indoor unit if it is used for a long periods.
Mode
Heating
Cooling
Drying
Outdoor Temperature
-15°C to 24°C approx.
- 5°C to 43°C approx.
- 5°C to 43°C approx.
Indoor Temperature
27°C or less
Indoor Humidity
-
21°C to 32°C approx.
21°C to 32°C approx.
80% or less
-
❇
The standardized temperature for heating is 7°C. If the outdoor
temperature drops to 0°C or below, the heating capacity can be
reduced depending on the temperature condition.
If the cooling operation is used at over 32°C(indoor temperature),
it does not cool at its full capacity.
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Cleaning Your Air Conditioner
AVMDH(C)✴✴
To get the best possible use out of your air conditioner, you must
clean it regularly to remove the dust that accumulates on the air filter.
Before cleaning your air conditioner, ensure that you have
switched off the electric circuit breaker used for the unit.
CAUTION
Turn the levers to the right or left not to prevent pulling out the air filter.
Pull out the air filter.
1
2
3
Remove all dust on air filter with a vacuum cleaner or a brush. In case of
serious dust accumulation, put the air filter in warm detergent water and
shake it vertically.
Dry the air filter.
4
5
6
When you have finished, insert the filter into the unit.
Return the levers.
Note
After cleaning the air conditioner, press the Filter Reset button.
Wired Remote Controller
Wireless Remote Controller
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Cleaning Your Air Conditioner
AVMHH(C)✴✴
To get the best possible use out of your air conditioner, you must clean
it regularly to remove the dust that accumulates on the air filter.
Before cleaning your air conditioner, ensure that you have
switched off the electric circuit breaker used for the unit.
CAUTION
Remove the fixing bracket on the base of air filter kit.
Pull out the air filter in the direction of the arrow.
1
2
3
Remove all dust on air filter with a vacuum cleaner or a brush. In case of
serious dust accumulation, put the air filter in warm detergent water and
shake it vertically.
Dry the air filter.
4
5
6
When you have finished, insert the filter into the unit.
Reinstall the fixing bracket.
Note
After cleaning the air conditioner, press the Filter Reset button.
Wired Remote Controller
Wireless Remote Controller
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Solving Common Problems
Before contacting the after-sales service, perform the following simple checks.
They may save your time and expense of an unnecessary call.
Problem
Explanation/Solution
The air conditioner does not N Check that the breaker used for the air conditioner is switched on.
operate at all
Wired Remote Controller
The air conditioner does not
operate with the remote
controller
N
is displayed on the wired remote controller. In this case,
turn the air conditioner off and contact your dealer.
Wired Remote Controller
When turning on/off the
air conditioner, it is not
N In case of using the wired remote controller for a group, the air
conditioners connected to the remote controller are turned on/off in
order. Thus, it takes some time(up to 32 seconds).
turned on/off immediately.
Wireless Remote Controller
The air conditioner does not N Check that there are no obstacles between you and the remote
operate with the remote
controller
control sensor.
N Check the wireless remote controller batteries .
N Check that you are close enough to the remote control sensor.
(7 metres/yards or less).
Wireless Remote Controller
No beep is heard when you N Check that you are pointing the remote controller at the remote
press
remote controller
(ON/OFF) on the
control sensor on the receiver & display unit.
N Replace the remote controller batteries if necessary.
N If there is a strong light around the air conditioner, a
three-wavelength light, a neon sign, etc., for example,
the air conditioner may not be operated with a remote controller.
If this happens, use the remote controller close by the remote
control sensor.
The air conditioner does
not cool or heat
N Check that the correct operating mode has been selected.
N The room temperature may be too low or too high.
N Dust may be blocking the air filter guard; refer to page 12 or 13
for cleaning instructions.
N Check that there is no obstacle in front of the outdoor unit.
When heating, the required N Check that the required temperature has been set correctly.
room temperature is never N Increase the fan speed.
reached and the air
conditioner frequently stops
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Memo
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ELECTRONICS
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