En-17
OPERATING TIPS
Multi-type Air Conditioner
This indoor unit can be connected to a multi-type outdoor unit. The multi-type air conditioner allows multiple indoor units to be operated
in multiple locations. The indoor units may be operated simultaneously, in accordance with their respective output.
Simultaneous Use of Multiple Units
If the indoor unit is instructed to do an operating mode that it
cannot perform,
will be shown on the re-mote control-
ler display and the unit will go into the standby mode.
Heating mode and cooling mode (or dry mode)
Heating mode and fan mode
Operation can be done in the following different operat-ing
modes.
Cooling mode and dry mode
Cooling mode and fan mode
Dry mode and fan mode
The operating mode (heating mode or cooling (dry) mode)
of the outdoor unit will be determined by the operating mode
of the indoor unit that was operated fi rst.If the indoor unit
was started in fan mode, the operating mode of the outdoor
unit will not be determined. For example, if indoor unit (A)
was started in fan mode and then indoor unit (B) was then
operated in heating mode, indoor unit (A) would temporarily
start operation in fan mode but when indoor unit (B) started
operating in heating mode,
will be shown on the unit
(A) remote controller display and it would go into standby
mode. Indoor unit (B) would continue to operate in heating
mode.
When using a multi-type air conditioner, the multiple indoor
units can be operated simultaneously, but when 2 or more
indoor units of the same group are operated simultaneously,
the heating and cooling effi ciency will be less than when a
single indoor unit is used alone.Accordingly, when you wish
to use more than 1 indoor unit for cooling at the same time,
the use should be concentrated at night and other times
when less output is required. In the same way, when multiple
units are used simultaneously for heating, it is recommended
that they be used in conjunction with other auxiliary space
heaters, as required.
Seasonal and outdoor temperature conditions, the struc-ture
of the rooms and the number of persons present may also
result in differences of operating effi ciency.We recommend
that you try various operating patterns in order to confi rm the
level of heating and cooling output provided by your units,
and use the units in the way that best matches your family's
lifestyle.
lf you discover that 1 or more units delivers a low level
of cooling or heating during simultaneous operation, we
recommend that you stop simultaneous operation of the
multiple units.
Operation cannot be done in the following different operating
modes.
Simultaneous Multi Air Conditioner
This indoor unit can also be connected to a simultaneous multi connection that enables simultaneous operation of up to 3 indoor units
with connecting the outdoor unit by using a separation tube (twin or triple).
Note: Connectable type of the separation tube varies by model.
In simultaneous multi connection, all the indoor units perform simultaneous air conditioning controlled by one controller that is specifi ed
as the primary control unit.
For this unique characteristic of the simultaneous multi connection, some of the functions controlled by the controller that is specifi ed
as the secondary control unit are restricted.
Instructions relating to inverter (
) are applicable only to “INVERTER MODEL”.
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 discon-
nect the power supply, reconnect it, and then use the remote
controller to resume operation.
AUTO Restart
In Event of Power Interruption
Notices
* During use of the heating mode, the top of the indoor unit
may become warm, but this is due to the fact that coolant is
circulated through the indoor unit even when it is stopped;
it is not a malfunction.
*
During use of the heating mode, the outdoor unit will occa-
sionally commence the defrost operation for brief periods.
During the defrosting operation, if the user sets the indoor
unit for heating again, the defrosting mode will continue, and
the heating operation will begin after completion of defrost-
ing, with the result that some time may be required before
warm air is emitted.
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