Midea MCD-18HRFN1-QRC4 Service Manual page 156

Controller
control will return to the initial settings.(Use a φ1mm little round stick to push the button )
7. AIR DIRECTION Button: Push this button, the louver can be fixed at a desired angle. The louver swing
(upward or downward) to a certain angle for each press. When the louvers swing at an angle which
would affect the cooling and heating efficiency of the air conditioner, it would automatically change the
swing direction (upward or downward).
8. FAN SPEED Button: Fan speed will be selected in following sequence once pressing this button:
9. TIMER ON Button: Press this button to preset the time ON(start to operate). Each press will increase the
time ON setting in 30minutes increments. When the setting time displays 10:00, each
press will increase the time ON setting in 60 minutes increments. To cancel the time ON program, simply
adjust the time ON to 0:00.
10. ECONOMIC RUNNING Button: Press this button to go into the energy-Saving operation mode. Press
the button again to cancel.
11. TIMER OFF Button: Press this button to preset the time OFF (turn off the operation). Each press will
increase the time OFF setting in 30 minutes increments. When the setting time displays 10:00, each press
will increase the time OFF setting in 60 minutes increments. To cancel the time OFF program, simply adjust
the time OFF to 0:00
12. LOCK Button: Push this button to lock in all the current settings. To release settings, push again. (Use
a φ1mm little round stick to push this button)
13. POWERFUL Button: Press this button on cooling/heating mode to go into powerful cooling (heating
operation. Press again to cancel it.
Note: The unit will automatically revert back to the previous operational mode after continuously operating
under the powerful cooling mode.
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AUTO LOW MED HIGH
Electrical Control System