Midea R410A Direct Heating Commercial Heat Pump 50Hz Technical Manual MCAC-HTSM-201506
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temperature setting status displays the setting value; under cycle heating water temperature
setting status displays the setting value; under check status displays check parameter.
10. ON/OFF key ( ): Turn on and turn off functions.
11. Right and left key ( and ): Press these keys to check setting water temperature,
setting cycle heating water temperature and setting water level under main page; press right
key to shift to the next 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~#15 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.
1.3 Operation instruction
1.3.1 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.
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