Midea MC-SU30-RN1L Owners & Installation Manual page 24

7.3 ON/OFF
When the wired controller is unlocked and the unit is on, "ON/OFF" can
be pressed to power off the unit under the home page only; when the unit is
off, press "ON/OFF" to power on the unit. The mode can be switched under
the power-off mode only.
Turn on the unit
Power up to module unit and initially deliver
power to wired controller.
Press "MENU" key to set the intended
mode.
Press "Add/Reduce" key to set the
intended temperature.
Press "OK" key to save the settings.
Unit will run after press "ON/OFF"
key 7 minutes later.
Turn off the unit
When intend to shut the unit
Press "ON/OFF" key
To select turn-off settings
I&O manual
20
7.4 Control and protection function of unit
7.4.1 The unit has the following protection functions
1) Current cut-off protection
2) Power supply phase sequence protection
3) Protection for over-low suction pressure
4) Protection for compressor overcurrent
5) Protection for compressor overload
6) Anti-freezing protection
7) Protection for over-high discharge pressure
8) Protection for outlet and inlet water temperature
7.4.2 The unit also has other control functions
1) Plug and play system
2) RS-485/TS232 Standard serial communication port
Fig.7-2