Midea MKG Series Technical & Service Manual page 39

AC Fan Coil Unit Two-pipe Wall-mounted Series
8 Silent/OK button
Under the cooling, heating and auto mode, when operate the silent mode, it can reduce the running noise through
setting the fan speed to low. This will help you bring a quieter environment.
Under AUTO, DRY mode, the fan speed is auto and the Silent /OK button doesn't work.
9 Wired controller locking
Short press the temperature adjusting UP and DOWN buttons simultaneously, the wired controller enters into locking
state, and the locking icon will be lighted up. Under the locking state, the wired controller will not respond to buttons
by pressing and the control instruction from the wireless remote controller. Simultaneously press temperature
adjusting buttons again will cancel the locking state.
10 Air filter cleaning reminding function
The wired controller records the total running time of the indoor unit, when the accumulated running time reaches the
pre-set value, air filter cleaning reminding icon will be lighted up, to remind that the air filter of the indoor unit needs
to be cleaned. Long press left button for 3 seconds, and clear the reminding icon and the wired controller will re-
accumulate the total running time of the indoor unit.
Notes: The default setting value of reminding function is 2500 hours, and it can change to be 1250 hours, 5000 hours or 10000 hours.
11 Swing function
If the indoor unit supports swing function, press the right button to adjust the air outlet direction of the indoor unit.
Long press this button for 3 seconds can turn on or turn off the auto-swing function. When the auto-swing function is
turned on, the swing icon will be lighted up.
12 Follow me function
When the system is running and the operating mode is Cooling, Heating or Auto, press the left button will activate
the Follow Me function. Press left button again will cancel follow me function. When the operating mode is changed,
and then will cancel this function as well. When the Follow Me function is activated, the icon will be light up, and the
wired controller will display room temperature read from the local sensor, and transmit the temperature value to the
indoor unit every 3 minutes.
13 Setting addresses
Press the Temp. UP and DOWN button simultaneously for more than 8 seconds, then the controller gets into address
setting mode.
In the address setting mode, there are 2 main functions:
Querying address: press MODE button, the corresponding indoor unit will display its address.
Setting address: use the UP and DOWN buttons to choose an address you want. Then press the FAN button to set
the indoor unit's address. The corresponding indoor unit will display the new address and record it. After about 4
seconds, this displaying will fade out and indoor units turn to normal display mode.
After setting addresses, users can press the Silent/OK button can exit the address setting mode.
After re-power, users can query the indoor address again: long press the UP and DOWN button simultaneously will
enter the address setting page, press ON/OFF button and then press MODE button, the indoor address will be
displayed on the indoor display board.
In the address setting mode, wired controller does not respond to any command from remote controller.
13.2.3 Installations
1. Safety precaution
Stated below are important safety issues that must be obeyed. Confirm there is no abnormal phenomena during test
operation after complete.
Installation by other persons may lead to imperfect installation, electric shock or fire. Improper installation may lead
to electric shock or fire. A random disassembly may cause abnormal operation or heating, which may result in fire.
Do not install the controller in a place vulnerable to leakage of flammable gases. Once flammable gases are leaked
and left around the wired controller, fire may occur.
The wiring should adapt to the wired controller current. Otherwise, electric leakage or heating may occur and result
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