Figure 11.3
Figure 11.2
Figure 11.1
Avoid too much outdoor air coming into air-conditioned spaces.
Note that outlet air is cooler or heater than set room temperature. Avoid
direct exposure to outlet air as it may be too cool or hot.
Maintain a proper air distribution. Air outlet louvers should be used to adjust
the direction of outlet airflow, as doing so might ensure more efficient
operation.
Close doors and windows.
Do not set the
temperature too
low
Check
regularly
11. Air Conditioner Operations and Performance
The operating temperature range under which the unit runs stably are given in
below table.
To ensure the desired temperature is achieve defficiently, ensure that:
All windows and door are closed.
The airflow direction is adjusted to work in running mode.
The air filter is clean.
Please note how you can best save energy and achieve the best cooling/heat-
ing effect.
Regularly clean air filters inside indoor units.
Caution
• The unit performs stably in the temperature range given in above table.
If the indoor temperature is outside the unit's normal operating range, it
may stop running and display an error code.
16
Cooling mode
Heating mode
17
～
32
°C
(DB)
15
～
27
°C
(DB)
Indoor temperature
Indoor humidity
(a) Condensation will form on the unit surface and water dripping
out of the unit when the indoor humidity is beyond 80%
≤80%
(a)
Unit state
Display output
Digital display panels
Unit state
Digital display
Standby
Shutting-down
Operation indicator
flashes slowly
All indicators off
Operation indicator
on
Operation
Normal operation
Cold draft prevention
or outdoor unit
defrosting operation
Operation and
Anti-cold / defrosting
indicators on
A timer has been set
Timer indicator on
Cooling and heating modes: set temperature
Fan only mode: indoor ambient temperature
Set temperature
Table: Display panel output under normal operating conditions.
Figure 10.2
Timer
indicator
Digital display
ALARM
Anti-cold air /
defrosting indicator
Operation
indicator
Infrared signal
receiving window
Summary of Contents for , MDV-D18Q4/VN1-E
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