02
5 OPERATION
NOTE
The safety device will be triggered if the
temperature or humidity exceeds these conditions,
and the air conditioner may not run.
Specialized functions vary depending on the type of
indoor unit. Refer to the installation/user manuals for
more information.
This symbol indicates that electrical and electronic
products must not be mixed with unsorted household
waste. Do not attempt to dismantle the system on your
own. All work that involves dismantling the system, and
handling the refrigerant, oil, or other components must
be carried out by authorized installation personnel, and
the work must be carried out in accordance with
applicable laws. The unit must be disposed of and
treated at special treatment facilities for reuse and
recycling. By making sure that this product is properly
handled and disposed of, you help to minimize the
negative impact on the environment and human health.
For more information, please contact the installation
personnel or local organization.
Heating and cooling.
Fan-only operation.
The unit is marked with the following symbols:
5.1 Operating Range
5.2 Operating System
5.2.1 System operations
5.2.2 Cooling, heating, fan only
and, auto operations
The operating program varies with different
combinations of outdoor unit and controller.
To protect this unit, please turn on the main power supply
12 hours before you start to operate this unit.
If there is a power outage while the unit is running, the
unit will automatically restart its operation when the
power supply resumes.
The indoor units in the air conditioner can be controlled
separately, but the indoor units in the same system
cannot operate in the heating and cooling modes at the
same time.
When the cooling and heating modes conflict, the mode
is determined based on the setting of the "Menu mode"
of the outdoor unit.
20-43°C
-30-30°C
15-30°C
-15-55°C
16-32°C
-5-16°C
IDU type
(a) Condensate might form on the unit's surface if the humidity
is above 80%
Heating
mode
Heating
mode
Common indoor unit
Fresh processing
air indoor unit
Cooling
mode
Cooling
mode
Mode
Outdoor
temperature
Indoor
temperature
Indoor
humidity
≤80%
(a)
Table 5.1
Table 5.2
Automatic
priority mode
Indoor units which are set to cooling or
fan mode will stop running, while
indoor units in the heating mode will
run as usual.
Heating
priority mode
Voting priority
mode
Change over
Cooling
priority mode
No.63
(VIP indoor
unit)
+ voting
priority mode
Indoor units which are set to heating
mode will operate normally, while
indoor units in the cooling or fan mode
will display the "E0 mode conflict
error". (V8 series indoor unit will not
display this error)
In response
to heating
only mode
Indoor units which are set to cooling
and fan modes will operate normally,
while indoor units in the heating mode
will display the "E0 mode conflict error".
(V8 series indoor unit will not display
this error)
In response
to cooling
only mode
If the indoor unit 63 has been set and
turned on, the operating mode of unit 63
will be regarded as the priority operating
mode of the system. If the indoor unit
63 has not been set or not turned on,
the mode that the majority of indoor
units are currently using will be the
priority operating mode of the system.
When you select the cooling mode as
the priority mode, the heating
operations of the indoor unit stop
running, while the cooling mode will
operate as usual;
Automatic selection of heating or
cooling priority based on the ambient
temperature.
Only applicable to V8 series indoor
unit, must set the No.63 (VIP indoor
unit). The operation mode of non-VIP
indoor units cannot be selected by the
wired controller even if the outdoor
unit is not running.
The mode that the majority of indoor
units are currently using will be the
priority operating mode of the system.
First on
priority mode
The operating mode of the first running
Indoor unit will be regarded as the
priority operating mode of the system.
Capability
requirements
priority mode
The mode of the indoor unit that is
running to meet the most demands at
a point in time is adopted as a priority
mode of the system.
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