OPERATING MANUAL
AIR CONDITIONER
DUCT TYPE
OPERATING MANUAL
BEDIENUNGSANLEITUNG
MODE D’EMPLOI
MANUAL DE FUNCIONAMIENTO
MANUALE DI ISTRUZIONI
ΕΓΧΕΙΡΙ∆ΙΟ ΛΕΙΤΟΥΡΓΙΑΣ
РУКОВОДСТВО ПО ЭКСПЛУАТАЦИИ
MANUAL DE INSTRUÇÕES
English
Deutsch
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SUMOTUWETH FR
AM
PM
369
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SA
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CONTENTS
SAFETY PRECAUTIONS................................................ 1
NAME OF PARTS ........................................................... 2
PREPARATORY OPERATION......................................... 3
OPERATION ................................................................... 3
TIMER FUNCTIONS ....................................................... 5
ON/OFF TIMER............................................................... 5
WEEKLY TIMER ............................................................. 6
TEMPERATURE SET BACK TIMER ............................... 8
OPERATING TIPS........................................................... 9
CARE AND MAINTENANCE........................................ 10
SELF-DIAGNOSIS ........................................................ 10
TROUBLESHOOTING .................................................. 11
SAFETY PRECAUTIONS
● Before using the appliance, read these “PRECAUTIONS” thoroughly and operate in the correct way.
● The instructions in this section all relate to safety; be sure to maintain safe operating conditions.
● “DANGER”, “WARNING” and “CAUTION” have the following meanings in these instructions:
DANGER!
WARNING!
CAUTION!
● Do not attempt to install this air conditioner by yourself.
● This unit contains no user-serviceable parts. Always consult authorized service personnel for repairs.
● When moving, consult authorized service personnel for disconnection and installation of the unit.
● Do not become over-exposed to cold air by staying in the direct path of the air flow of the air conditioner
for extended periods of time.
● Do not insert fingers or objects into the outlet port or intake grilles.
● Do not start and stop air conditioner operation by turning off the electrical breaker and so on.
● In the event of a malfunction (burning smell, etc.), immediately stop operation, turn off the electrical breaker,
and consult authorized service personnel.
This mark indicates procedures which, if improperly performed, are most likely to
result in the death of or serious injury to the user or service personnel.
This mark indicates procedures which, if improperly performed, might lead to the
death or serious injury of the user.
This mark indicates procedures which, if improperly performed, might possibly result
in personal harm to the user, or damage to property.
DANGER!
CAUTION!
● Provide occasional ventilation during use.
● Do not direct air flow at fireplaces or heating apparatus.
● Do not climb on, or place objects on, the air conditioner.
● Do not expose the air conditioner directly to water.
● Do not operate the air conditioner with wet hands.
● Turn off power source when not using the unit for extended periods.
● Always turn off the electrical breaker whenever cleaning the air conditioner or changing the air filter.
● Connection valves become hot during Heating; handle with care.
● Check the condition of the installation stand for damage.
● Do not place animals or plants in the direct path of the air flow.
● When restarting after a long period of disuse in the winter, turn the power switch on at least 12 hours
before starting the unit.
● Do not drink the water drained from the air conditioner.
● Do not use in applications involving the storage of foods, plants or animals, precision equipment, or art
works.
● Do not apply any heavy pressure to radiator fins.
● Operate only with air filters installed.
● Do not block or cover the intake grille and outlet port.
● Ensure that any electronic equipment is at least one metre away from either the indoor or outdoor units.
● Avoid installing the air conditioner near a fireplace or other heating apparatus.
● When installing the indoor and outdoor units, take precautions to prevent access by infants.
● Do not use inflammable gases near the air conditioner.
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NAME OF PARTS
Remote controller
D
2
7
8
9
0
A
B
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CLOCK ADJUST
SET BACK
DELETE SET
DAY
DAY OFF
G
F
E
SA
H
I
C
1
3
ENERGY
SAVE
THERMO
SENSOR
4
5
6
1 Start/Stop Button
2 Set Temperature Button
3 Master Control Button
4 Fan Control Button
5 THERMO SENSOR Button
6 ENERGY SAVE Button
7 Timer Mode (CLOCK ADJUST)
Button
8 DAY (DAY OFF) Button
9 SET BACK Button
0 Set Time Button
A DELETE Button
B SET Button
C Operation Lamp
D Timer and Clock Display
E Operation Mode Display
F Fan Speed Display
G Operation Lock Display
H Temperature Display
I Function Display
Defrost Display
Thermo Sensor Display
Energy Save Display
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PREPARATORY OPERATION
Set the current day and time
1
CLOCK ADJUST
Press the timer mode (CLOCK
ADJUST) button for 2 seconds
or more. The time display on
the remote controller will flash.
3
DAY
2
DAY OFF
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Press the set time buttons to set the current time.
Press repeatedly to adjust the current time in 1minute increments. Press and hold to adjust the
current time in 10-minute increments.
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ex. Monday 10:00
Press the DAY button and select the current day.
A
appears around the selected day.
4
Press again to end.
OPERATION
Instructions relating to heating are applicable only to “HEAT & COOL MODEL” (Reverse Cycle).
To start/stop operation
Press the start/stop button.
CLOCK ADJUST
To set the operation mode
● Operation mode setting
● Room temperature setting
Lower Raise
● Fan speed setting
Operation lamp
Air conditioner ON: Lit brightly
Air conditioner OFF: Not lit
Press the master control button to set the operation mode.
If DRY is selected, the fan speed will be set to AUTO.
AUTO COOL DRY HEATFAN
Press the set temperature buttons to set the room temperature.
Temperature setting range
AUTO ............................................... 18 to 30 °C
COOL/DRY ....................................... 18 to 30 °C
HEAT ................................................ 16 to 30 °C
Press the fan control button to set the fan speed.
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AUTO HIGH MED LOW
OPERATION
Energy save
ENERGY
SAVE
Room temperature sensor selection
THERMO
SENSOR
Press the THERMO SENSOR button to select whether the
room temperature is detected at the indoor unit (remote
sensor) or the remote controller.
Press the ENERGY SAVE button to start or stop the energy-saving air conditioner operation.
For details on the function, refer to page 9.
Indoor unit
When the
temperature is detected at the remote controller.
thermo sensor display appears, the room
NOTES
• This function is locked at the factory. In order to detect the room temperature correctly, consult authorized service
personnel when using this function.
• If this function is locked, the location where the room temperature is detected cannot be changed and the
mark flashes when the THERMO SENSOR button is pushed.
Child lock function
DAY
Press the DAY (DAY OFF) button and SET button simulta-
CLOCK ADJUST
SET BACK
DELETE SET
DAY OFF
neously for 2 seconds or more to activate the child lock
function and lock all buttons on the remote controller.
Press the buttons again for 2 seconds or more to deactivate the child lock function.
When the child lock function is activated, the
appears. If any button is pressed during the child lock,
CL
display flashes.
the
mark
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TIMER FUNCTIONS
OFF timer (See page 5.)
Use this timer function to stop air conditioner operation. The timer operates and air conditioner operation stops
after the set time has passed. The timer can be set up to 24 hours in advance.
ON timer (See page 5.)
Use this timer function to start air conditioner operation. The timer operates and air condition operation starts
after the set time has passed. The timer can be set up to 24 hours in advance.
WEEKLY timer (See page 6.)
Use this timer function to set operating times for each day of the week.
Use the DAY OFF setting to switch off timed operation for a selected day in the coming week.
Because all days can be set together, the weekly timer can be used to repeat the timer settings for all of the days.
Temperature SET BACK timer (See page 8.)
Use this timer function to change the set temperature in the operation times set for each day of the week.
This can be used together with other timer settings.
ON/OFF TIMER
To set the ON/OFF timer
1
● To cancel
CLOCK ADJUST
No display
NON
STOP
DELETE
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Press the timer mode button to select the ON timer or OFF timer.
OFF
TIMER
• Press the DELETE button to cancel the timer mode.
• The timer mode can also be canceled by changing the timer mode using the timer mode button.
ON
TIMER
WEEKLY
TIMER
2
From 1 to 24 hours
Press the set time buttons to set the time.
After the time is set, the timer will start automatically.
The amount of time until the OFF timer operates that is displayed on the timer display decreases as time passes.
ex. OFF timer set for 6 hours
SA
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WEEKLY TIMER
DELETE
Weekly timer setting
1
CLOCK ADJUST
Press the timer mode button to select the weekly timer.
● Day of the week setting
3
DAY
DAY OFF
1
Press the DAY button to select the day of the week, and then press the
SET button to confirm the setting.
For ALL, all of the days can be set together when a appears around
each day.
● Time setting
4
SET
2
SET
1
2
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ALL SU MO TU WE TH FR SA
DAY
DAY OFF
2
Press the SET button for 2 seconds or more.
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When the operating time is set, the
mark appears.
3
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SET
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ON-1 OFF-1 ON-2 OFF-2
Press the set time buttons to set the time, and then press the SET button
to confirm the setting and proceed to the next ON or OFF time setting.
Up to two ON and OFF times can be set per day.
Press the DAY button to complete the time setting and return to the day
of the week setting.
● To delete the operating time
5
Repeat steps 3 and 4.
To complete the weekly timer settings, press the SET
button for 2 seconds or more.
NOTES
• The operating time can be set in 30-minute increments only.
• The OFF time can be carried over to the next day.
• The ON timer and the OFF timer functions cannot be set using the weekly timer. Both an ON and OFF time must be set.
SET
If the DELETE button is pressed during
steps
selected day will be deleted.
If all the days are selected, the operating
times for all of the days will be deleted.
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12 15 18 21
ex. The timer is set for 7:00-18:00.
3 or 4, the operating time for the
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WEEKLY TIMER
WEEKLY timer operation
● To start
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● To cancel
SA
DELETE
CLOCK ADJUST
When the weekly timer is selected, the
timer starts automatically.
To set the DAY OFF (for a holiday)
SET
1
During the weekly timer,
press the SET button for 2
seconds or more to set the
day.
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24
Select the day to set the DAY
OFF.
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ex. Operating time 7:00-18:00
The operating time for the current
day is displayed.
DAY
DAY OFF
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ex. The DAY OFF is set for Monday.
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3
Press the DAY (DAY OFF)
button for 2 seconds or
more to set the DAY OFF.
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• Press the DELETE button to cancel
the timer mode.
• The timer mode can also be
canceled by changing the timer
mode using the timer mode button.
DAY
DAY OFF
Press the SET button for 2
seconds or more to complete the DAY OFF setting.
mark: Indicates the DAY OFF
● To cancel
Follow the same procedures as
those for setup.
SET
NOTES
• The DAY OFF setting is only available for days for which weekly settings already exist.
• If the operating time carries over to the next day (during a next day setting), the effective DAY OFF range will be set as
shown below.
● Normal ● Next day setting
DAY OFF
ON OFF ON OFF
WEEKLY WEEKLY
Setting dayPreceding day Next day Setting dayPreceding day Next day
• The DAY OFF setting can only be set one time. The DAY OFF setting is cancelled automatically after the set day has
passed.
ON
WEEKLY
OFF
DAY OFF
ON
WEEKLY
OFF
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TEMPERATURE SET BACK TIMER
Temperature SET BACK timer setting
SET BACK
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1
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Press the SET BACK button to change to the SET BACK confirmation display.
The SET BACK operating time and the set temperature will
be displayed.
● Day setting ● Operating time setting
3
DAY
DAY OFF
Follow the same procedures to set the operating time as those for the weekly timer. The DELETE button is also used
as described in the procedures for the weekly timer.
● Temperature setting
SET
1
2
4
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3
Press the set temperature buttons to set
the temperature. (The temperature setting
range is the same as the range for the
operation mode.)
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If there is no existing
SET BACK temperature setting, “- -” will
be displayed for the
temperature.
SET
4
2
Press the SET button for 2
seconds or more.
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ex. When setting all days together
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5
SET
SET
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Repeat steps 3 and 4.
Press the SET button for 2 sec-
onds or more to complete the
temperature SET BACK timer
settings.
SET BACK temperature
Normal temperature
ex. Operating time 15:00–22:00
ON
28°C
OFF
24°C
24°C
Temperature SET BACK timer operation
● To start
SET BACK
ex. Display during SET BACK timer operation
(The operating time will not be displayed.)
Press the SET BACK button. The SET BACK confirmation display appears
for 5 seconds, and then the timer starts automatically.
NOTES
• The SET BACK timer only changes the set temperature, it cannot be used to start or stop air conditioner operation.
• The SET BACK timer can be set to operate up to two times per day but only one temperature setting can be used.
• The SET BACK timer can be used together with the ON, OFF, and weekly timer functions.
• The SET BACK operating time is displayed only in the SET BACK confirmation display. (Refer to step 1 for the SET BACK
confirmation display.)
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● To cancel
SET BACK
1
Press the SET BACK button, and then
press the DELETE button while the
SET BACK confirmation display is displayed. Even if the SET BACK button
is pressed again, the SET BACK timer
will be cancelled.
DELETE
2
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23
22
21
20
19
Energy save
OPERATING TIPS
Instructions relating to heating are applicable only to “HEAT & COOL MODEL” (Reverse Cycle).
Mode operation: AUTO
COOLING MODEL
• When the room temperature is 2 °C higher than the set
temperature, the mode will switch between Cooling and
Drying.
• During the Drying mode operation, the FAN setting should
be switched to LOW for a gently cooling effect during which
the fan may temporarily stop rotating.
HEAT & COOL MODEL (Reverse Cycle)
Auto changeover function
• When AUTO CHANGEOVER is selected, the air conditioner
selects the appropriate operation mode (Cooling or Heating) according to your room’s present temperature.
• When AUTO CHANGEOVER is first selected, the fan will
stop or operate at a very low speed for about 1 minute
while the unit determines the current conditions of the
room and selects the proper operation mode.
• When the room temperature is near the thermostat setting, the air conditioner will begin monitor operation. In
the monitor operation mode, the fan will stop or operate
at a very low speed. If the room temperature subsequently
changes, the air conditioner will once again select the appropriate operation (Heating or Cooling) to adjust the temperature to the value set in the thermostat. (The monitor
operation range is ±2 °C relative to the thermostat setting.)
Fan speed: AUTO
Heating: The fan will stop or operate at a very low speed if
the temperature of the airflow from the indoor unit
is lower than the set temperature.
Cooling: As the room temperature approaches that of the set
temperature, the fan speed becomes slower.
Fan: The fan alternately turns on and off; when on, the
fan runs at the low fan speed.
Energy save
• The energy conservation mode (ENERGY SAVE) raises the
set temperature slightly in the cooling mode and lowers
the set temperature in the heating mode to economically
control the operation of the unit.
• If you press the ENERGY SAVE button while the unit is in
the timer mode, the unit will go into the conservation mode
when the unit starts with the timer.
• If you turn off the air conditioner while in the conservation
mode, the mode will be shut off.
• The temperature set on the remote controller will not
change if the energy save mode is used.
During cooling operation
When the ENERGY SAVE is
pressed, the thermostat setting
is automatically raised 1 °C every
60 minutes, until the thermostat
is raised a total of 2 °C.
During heating operation
When the ENERGY SAVE is
pressed, the thermostat setting
is automatically lowered 1 °C
every 30 minutes, until the thermostat is lowered a total of 4 °C.
Hot start (for heating)
The indoor unit prevents cold drafts when heating operation
begins.
The indoor unit fan will not operate or it will operate at a very
low speed until the heat exchanger reaches the set temperature.
27
26
60 min.
25
Energy save
30 min.
30 min.
30 min.
AUTO restart
• Should the power supply to the air conditioner be interrupted by a power failure, the air conditioner will restart
automatically in the previously selected mode once the
power is restored.
• Use of other electrical appliances (electric shaver, etc.) or
nearby use of a wireless radio transmitter may cause the
air conditioner to malfunction. In this event, temporarily
turn off the circuit breaker turn it on again and then use
the remote controller to resume operation.
Heating performance
• This air conditioner operates on the heat-pump principle,
absorbing heat from outdoor air and transferring that heat
indoors. As a result, the operating performance is reduced
as outdoor air temperature drops. If you feel that insufficient heating performance is being produced, we recommend you use this air conditioner in conjunction with another kind of heating appliance.
• Heat-pump air conditioners heat your entire room by
recirculating air throughout the room, with the result that
some time may be required after first starting the air conditioner until the room is heated.
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Defrosting (for heating)
When the outdoor temperature is low and the humidity high,
frost will collect on the outdoor unit, reducing heater efficiency.
When this happens, the computer will automatically start the
defrost cycle. During the defrost cycle, the indoor fan will shutdown and
will be displayed on the remote controller. It
will take anywhere from 4 to 15 minutes before the air conditioner starts up again.
Group Control
One remote controller can control up to 16 air conditioners.
All of the air conditioners will be operated with the same settings.
Dual Remote Controllers (optional)
An additional remove controller can be added up to the maximum of two remote controllers. Either remote controller can
control the air conditioner. However, the timer functions cannot be used at the slave unit.
CARE AND MAINTENANCE
CAUTION!
Before cleaning the unit, be sure to stop the unit and power supply. (Turn off the electrical breaker)
Cleaning the air filter
If dirt is allowed to collect in the air filter, the airflow will be reduced, leading to reduced performance, and increased operation
noise. Be sure to clean the filters regularly.
How to cleaning
Use a vacuum cleaner to remove dust and dirt from the air filter, or wash in a synthetic detergent. After washing, dry in a
shaded place, then reinstall.
● When used for extended periods, the unit may accumulate dirt inside, reducing its performance. We recommend that the
unit be inspected regularly, in addition to your own cleaning and care. For more information, consult authorized service
personnel.
● When cleaning the unit’s body, do not use water hotter than 40 °C, harsh abrasive cleansers, or volatile agents like benzene
or thinner.
● Do not expose the unit body to liquid insecticides or hairspray.
● If the unit will not be operated for a period of one month or more, be sure to allow the inner parts of the unit to dry
thoroughly, in advance, by operating the unit in fan mode for half a day.
SELF-DIAGNOSIS
When the error indication “E:EE” is displayed, inspection of the air conditioning system is necessary. Please consult author-
ized service personnel.
Stop the air conditioner operation.
1
Press the set temperature buttons simultaneously for 5 seconds or more to
2
Press the set temperature buttons simultaneously for 5 seconds or more to stop the self-diagnosis.
start the self-diagnosis.
Unit number (usually 0)
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ex. Error display ex. Self-diagnosis check
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Error code
SA
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TROUBLESHOOTING
Instructions relating to heating are applicable only to “HEAT & COOL MODEL” (Reverse Cycle).
WARNING!
In the event of a malfunction (burning smell, etc.), immediately stop operation, turn off the electrical breaker,
and consult authorized service personnel.
Merely turning off the unit’s power switch will not completely disconnect the unit from the power source.
Always be sure to turn off the electrical breaker to ensure that power is completely off.
Before requesting service, perform the following checks:
NORMAL
FUNCTION
Symptom
Doesn’t operate immediately:
Noise is heard:
Smells:
Mist or steam are
emitted:
Problem
● If the unit is stopped and then immediately started again, the compressor will not operate for about 3 minutes, in order to prevent
fuse blowouts.
● Whenever the electrical breaker is turned off then on again, the
protection circuit will operate for about 3 minutes, preventing unit
operation during that period.
● During operation and immediately after stopping the unit, the
sound of water flowing in the air conditioner’s piping may be
heard. Also, noise may be particularly noticeable for about 2 to 3
minutes after starting operation (sound of coolant flowing).
● During Heating operation, a sizzling sound may be heard occasionally. This sound is produced by the Automatic Defrosting operation.
● Some smell may be emitted from the indoor unit. This smell is
the result of room smells (furniture, tobacco, etc.) which have
been taken into the air conditioner.
● During Cooling, a thin mist may be seen emitted from the indoor
unit. This results from the sudden Cooling of room air by the air
emitted from the air conditioner, resulting in condensation and
misting.
● During Heating operation, the outdoor unit’s fan may stop, and
steam may be seen rising from the unit. This is due to the Automatic Defrosting operation.
See Page
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9
—
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9
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Air flow is stopped:
Water is produced from
the outdoor unit:
thermo sensor
display on the remote
controller is flashing:
●
When Heating operation starts, the fan will not operate or it will
operate at a very low speed to allow the internal parts to warm up.
● During Heating operation, if the room temperature rises above
the thermostat setting, the indoor and the outdoor unit will stop.
If you wish to warm the room further, set the thermostat to a
higher setting.
● During Heating operation, the unit will temporarily stop operation (between 2 and 16 minutes) as the Automatic Defrosting mode
operates. During the Automatic Defrosting operation,
be shown on the remote controller display.
● The fan may stop or operate at a very low speed when the unit is
monitoring the room’s temperature.
● During Heating operation, water may be produced from the outdoor unit due to the Automatic Defrosting operation.
● The room temperature sensor may be malfunctioning. Please
consult authorized service personnel.
will
—
9
—
9
—
TROUBLESHOOTING
Symptom
CHECK ONCE
MORE
If the problem persists after performing these checks, or if you notice burning smells, stop operation immediately, turn off the
electrical breaker, and consult with authorized service personnel.
Doesn’t operate at all:
Poor Cooling (or Heating)
performance:
● Has there been a power failure?
● Has a fuse blown out, or a circuit breaker been tripped?
● Is the timer operating?
● Is the air filter dirty?
● Are the air conditioner’s intake grille or outlet port blocked?
● Did you adjust the room temperature settings (thermostat) cor-
rectly?
● Is there a window or door open?
● In the case of Cooling operation, is a window allowing bright sun-
light to enter? (Close the curtains.)
● In the case of Cooling operation, are there heating apparatus and
computers inside the room, or are there too many people in the
room?
Items to check
See Page
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5 to 7
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