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5.2.3 Heating operation
Compared to the cooling operation, the heating
operation takes a longer time.
Perform the following operations to prevent the heating
capacity from dropping or prevent cold air from coming
out of the system.
Defrost Operation
In the heating operation, as the outdoor temperature
decreases, frost may be formed on the heat exchanger
in the outdoor unit, making it more difficult for the heat
exchanger to heat up the air. The heating capacity
decreases, and a defrosting operation needs to be
performed on the system in order for the system to
provide sufficient heat to the indoor unit. At this point,
the indoor unit will show the defrost operation on the
display screen.
The indoor fan motor will automatically stop running so
as to prevent cold air from coming out of the indoor unit
when the heating operation starts. This process will
take some time. This is not a malfunction.
INFORMATION
i
When there is a drop in the external
temperature, the heating capacity decreases.
If this happens, please use another heating
equipment and unit at the same time. (Make
sure the room is well ventilated if you are
using an equipment that produces fire.) Do
not place any equipment that may produce a
fire where the air outlets of the unit are or
below the unit itself.
Once the unit starts, it takes some time for
the room temperature to rise, as the unit uses
a hot air circulation system to heat the room.
If the hot air rises to the ceiling, causing the
ground
area
to
become
recommended that you use a circulating
device (to circulate the indoor air). Please
contact the agent for details.
5.2.4 Operating system
1. Press the "switch" button on the controller.
Result: The running light turns on and the system starts
to run.
2. Repeatedly press the mode selector on the controller
to select the required operation mode.
Stop
Press the "switch" button on the controller again.
Result: The running light is now off, and the system
stops running.
NOTE
Once the unit has stopped running, do not
disconnect the power immediately. Wait for at
least 10 minutes.
Adjust
Refer to the user manual for the controller on how to set
the required temperature, fan speed and air flow
direction.
5.3 Dry Program
5.3.1 System operations
The function in this program uses the minimum
temperature drop (minimum indoor cooling) to bring
about a drop in humidity in the room.
In the drying process, the system automatically
determines the temperature and fan speed (cannot use
the user interface to implement the settings).
5.3.2 Dry operations
Start
1. Press the switch button on the controller.
Result: The running light turns on and the system starts
to run.
2. Repeatedly press the mode selector on the controller.
3. Press the button to adjust the air flow direction (this
function is not available for all indoor units).
Stop
4. Press the switch button on the user interface again.
Result: The running light is now off, and the system
stopped running.
cold,
it
is
6 MAINTENANCE AND REPAIR
03
WARNING
Do not touch the air outlet or the horizontal blade
when operating in the fan swing mode. Your
fingers may be caught in the unit or the unit may
be damaged.
NOTE
Do not check or repair the unit on your own.
Please get relevant professionals to conduct
any checks or repairs.
Do not use substances like gasoline, diluent,
and chemical dust cloth to wipe the
operations panel of the controller. This may
remove the surface layer of the controller. If
the unit is dirty, immerse a cloth in diluted and
neutral detergent, squeeze it dry, and then
use it to clean the panel. Finally, wipe it with
a dry cloth.
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