Midea R410A Direct Heating Type HPWH 50Hz Technical Manual                              MCAC-HTSM-201906 
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following order each time the key is pressed. 
 
The setting options in the dotted line frame are not general setting. The wired controller automatically 
judges the needed setting according to the model of main unit. 
  Setting water temperature 
 Press the ▲ or ▼ button to adjust the water temperature after the controller is powered on. Or press SET 
key once when ‘SET WATER TEMP’ is displayed on the LCD and then press the ▲ or ▼ button to adjust 
water temperature. 
 To check water temperature setting, press    or    key under the main page (the page displayed after 
the controller is powered on). 
 
 
  Timing setting 
 3 timing periods can be set on the wired controller; Timer 1, Timer 2, Timer 3. These 3 timers can control 
the main unit to be turned on and off 3 times at most during a day. 
 Press SET key under man page twice to enter timing setting. Then the LCD will display as the following: 
 
 
 At this time the hour of the clock will flash, which means the current setting is the hour of Timer 1 on, 
press the ▲ or ▼ to adjust, press    key when finished, and then the minute of the clock will flash, which