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OPERATING TIPS
Instructions relating to heating (*) are applicable only to “HEAT & COOL MODEL” (Reverse Cycle).
*
●
During use of the heating mode, the top of the indoor unit
may become warm, but this is due to the fact that cool-
ant 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
occasionally 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 com-
pletion of defrosting, with the result that some time may
be required before warm air is emitted.
Notice
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.
Instructions relating to inverter (
❖
) are applicable only to “INVERTER MODEL”.
❖
●
Operation can be done in the following different operating
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 in-
door 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. In-
door 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 efficiency 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 con-
centrated 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 heat-
ers, 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 efficiency.
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.
●
If 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 oper-
ating modes.
If the indoor unit is instructed to do an operating mode
that it cannot perform,
will be shown on the remote
controller display and the unit will go into the standby
mode.
Heating mode and cooling mode (or dry mode)
Heating mode and fan mode
Multi-typer Air conditioner
Simultaneous Use of Multiple Units
SELF-DIAGNOSIS
When “Er” in Temperature Display is displayed, inspection of the air conditioning system is necessary. Please consult
authorized service personnel.
Unit number (usually 00)
Error code
ex. Self-diagnosis check