MCAC-HTSM-201906 Midea R410A Direct Heating Type HPWH 50Hz Technical Manual
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step setting under timing setting status. Press these keys to turn over the unit parameter information
under check status.
12 OK key: Press this key to confirm settings. Press and hold this key for 3 seconds to unlock under
locking status.
13 Setting key: Setting water temperature, timing and mode, etc. Press and hold this key for 3 seconds
to enter check status.
14 Add and Reduce key (▲ and ▼): Move up or move down values of temperature, timing, water level,
etc. Turn over #0~#9 units under check status.
15 Cancel key: Press this key to cancel parameter setting under setting status; press and hold this key
for 3 seconds to cancel timing when timing is valid.
16 Auxiliary key: Power on the cycle heating function, electric auxiliary heating function or water pump
function.
3 Operation instruction
3.1 Turn on and turn off the main unit
Press the ON/OFF key ( ) to control on and off status of the main unit.
Under off status, press the ON/OFF key ( ) to run the main unit, at that time the LCD of wired
controller will display the operation icon ( ). The main unit will running as the current setting of the
wired controller.
Under on status, press the ON/OFF key ( ) to turn off the main unit and the operation icon ( ) on the
LCD will disappear.
3.2 Setting operating modes and parameters
Press SET key to enter the operation mode and parameters setting. The setting contents will change as the
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