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SELF-DIAGNOSIS
When the error indication “E:EE” is displayed, inspection of the air conditioning system is necessary. Please consult author-
ized service personnel.
(1) Stop the air conditioner operation.
(2)
Press the SET TEMPERATURE buttons simultaneously for 5 seconds or more to start the self-diagnosis.
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MO
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Faulty unit number
(remote controller address)
Error code
ex. Error display ex. Self-diagnosis check
(3) Press the SET TEMPERATURE buttons simultaneously for 5 seconds or more to stop the self-diagnosis.
OPERATING TIPS
Instructions related to heating are applicable to “HEAT PUMP MODELS” and “HEAT RECOVERY MODELS” only.
Cooling/heating priority (AIRSTAGE
TM
(VRF system Heat Pump model only))
• If another indoor unit in the same system is already oper-
ating in the cooling mode or dry mode, heating mode set-
tings cannot be performed.
• If another indoor unit in the same system is already oper-
ating in the heating mode, cooling mode or dry mode set-
tings cannot be performed.
Setting restriction
When is displayed there are functions for which set-
tings cannot be made.
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.
Weekly timer
• Set different operating times for each day of the week.
• Set one or two operating spans (one or two ON times and
one or two OFF times) per day.
• Set time to a resolution of 30 minutes.
• OFF time can be carried over to the subsequent day.
• Use the “DAY OFF” setting to cancel operation for any day
of the coming week (one-time cancellation).
Day off
• Use the “DAY OFF” setting to switch off timed operation
for a selected day in the coming week.
• This is a temporary, one-time setting. The “DAY OFF” set-
ting is automatically cleared as soon as the specified day
passes.
Temperature SET BACK timer
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.
Automatic defrosting operation and oil
recovery operation
• During automatic defrosting operation and oil recovery op-
eration,
will be displayed on the remote controller.
• Display when indoor and outdoor unit operation modes
are different (for multi split type only)
will also be displayed on the remote controller if the
operation modes of the indoor unit and outdoor unit are
different when the indoor unit starts operating.
During cooling operation
When the ENERGY SAVE is
pressed, the thermostat setting
is automatically raised 2 °F every
60 minutes, until the thermostat
is raised a total of 4 °F.
During heating operation
When the ENERGY SAVE is
pressed, the thermostat setting
is automatically lowered 2 °F
every 30 minutes, until the ther-
mostat is lowered a total of 8 °F.
60 min.
30 min.
30 min.
30 min.
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80
Energy save
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F
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72
70
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66
Energy save
F
F
F
F
F