Air Conditioner Operations And Performance - Midea MI2-28Q4DHN1 Installation And Operation Manual

Table: Display panel output under normal operating conditions.
Unit state
Standby
Shutting-down
Normal operation
Operation
Cold draft prevention
or outdoor unit
defrosting operation
A timer has been set

11. Air Conditioner Operations and Performance

The operating temperature range under which the unit runs stably are given in
below table.
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%
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.
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.
Check
regularly
Digital display
Timer
indicator
Unit state
Operation indicator
flashes slowly
All indicators off
Operation indicator
on
Operation and
Anti-cold / defrosting
indicators on
Timer indicator on
Cooling mode
Heating mode
17～32 (DB) 15～27
°C
≤80%
(a)
Figure 11.1
Figure 10.2
Display output
Digital display panels
Cooling and heating modes: set temperature
Fan only mode: indoor ambient temperature
Set temperature
Avoid too much outdoor air coming into air-conditioned spaces.

(DB)
°C
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.
16
Infrared signal
receiving window
ALARM
Anti-cold air /
defrosting indicator
Operation
indicator
Digital display
Figure 11.2
Do not set the
temperature too
Figure 11.3
Close doors and windows.
low