EN-15
ENGLISH
NOTE IN USING THE UNIT AS A
MULTI-SYSTEM
With a multi system air conditioner, multiple in-
door units can connect to one outdoor unit.
With a multi system air conditioner, you can not
operate different indoor units in different mode.
• If one unit is operating in COOL (or DRY)
mode, the other units are to be operated in
the same mode. The mode of the indoor unit
which operates fi rst is given priority. The in-
door unit turned on later in different mode can
not start operation. It starts to beep and the
OPERATION lamp and TIMER lamp starts to
blink. In this case, set all the indoor units to
the same operation mode.
• COOL mode and DRY mode can be set at the
same time.
NOTE ON OPERATION
5
˚
F(-
15˚C
) AUTO STOP FUNCTION
• During the heating operation, the unit will
automatically stop when the outdoor tempera-
ture drops below 5°F(-15°C) to prevent the
outdoor unit from the damage caused by the
freezing of the drained water. The unit will
stop its operation for 4 hour and then resume
the operation when the outdoor temperature
rises above 7°F(-13.9°C).
• Outdoor temperature will be detected by the
thermometer incorporated in the unit. De-
tected temperature may differ from the actual
temperature depending on the installation
place and environment.
• The green OPERATION lamp and the red
5°F/-15°C AUTO OFF lamp will blink while the
unit stops.
• This function can be inactivated if you do not
want to use this function. Please contact your
contractor if you would like to inactivate this
function.
• Regardless of activating this function or not,
the lower limit of the operating condition for
cooling mode remains at 5°F (-15°C).
OPERATING CONDITION
Cooling
Indoor temperature Outdoor temperature
upper limit 90˚F (32.2˚C) 115˚F (46.1˚C)
lower limit 70˚F (21.1˚C) 14˚F (-10˚C)
Heating
Indoor temperature Outdoor temperature
upper limit 81˚F (27.2˚C) 75˚F (23.9˚C)
lower limit - 5˚F (-15˚C)
• The built-in protective device may prevent the
unit from operating when used at higher tem-
perature than this range.
• Condensation may form on the air outlet if the
unit operates continuously in the COOL or
DRY mode when humidity is over 80 %.
NOTE ON HEATING OPERATION
DEFROSTING FUNCTION
• When frost forms on the outdoor unit during
heating operation, the unit operate automatic
defrosting for about 5 to 10 minutes to remove
the frost. During defrosting, the indoor and out-
door fans stop operating.
HEATING EFFICIENCY
• The unit employs a heat pump that draws
heat from the outside air and releases it into
the room. The outside temperature therefore
greatly affects the heating effi ciency.
• If the heating efficiency is reduced due to
low outside temperatures, use an additional
heater.
•
It takes time to warm up and heat the entire room
because of the forced air circulation system.
WHEN POWER FAILURE OCCURS
• This air conditioner has a memory function to
store settings when a power failure occurs.
After power recovery, the unit will automati-
cally re-start in the same settings which were
active before the power failure, except for
timer settings.
• If a power failure occurs while the timer is set,
the timer setting will be cancelled and will not
be retrieved even after the power is restored.
OM_AY-XPC5PU(A760)_EN-FR-ES.indb EN-15OM_AY-XPC5PU(A760)_EN-FR-ES.indb EN-15 10/19/12 5:42:37 PM10/19/12 5:42:37 PM
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