Midea MRCT-075CWN1-D(C) Technical & Service Manual page 106

Midea R410A Tropical ClimaCreator Series Rooftop Package 220V 3Ph 60Hz MCAC-RTT6S-201701
optimize energy savings.
EMER:
It is used to select operating under EMER mode.
RUN:
Returns display to current time and temperature.
Backlight display:
This key allows users to operate the device in a dark room. The device lights up when a button is
pressed, and turns off when a given operation is completed. The display will remain illuminated
for 8 seconds after the last key is pressed. If the controller is in low battery warning condition,
this function will not operate. Replace with 2 AA alkaline batteries to restore the function.
Up & Down key:
It is used to change the temperature setting. Also used for increasing and decreasing selections
in the time, program and span functions.
Fan switch:
It is used to select automatic or continuous fan operation. It should normally be located in the
AUTO position. The fan will be turned on along with normal operation of the unit. To run the fan
on continuously, slide the FAN switch to the ON position.
System switch:
It can determine the operating mode of the wired controller. Select COOL, OFF and HEAT.
Anytime you install or remove the controller from the wall plate, slide the system selector to the
OFF position to prevent the possibility of a rapid system ON-OFF.
Front door:
Cover keys open with one finger from left or right.
2.3 Configuration
After installation and wiring connection of wired controller, it should be operated configuration
first.
Set SYSTEM switch to OFF, and then press both UP and DOWN keys for 5 seconds to enter
configuration menu. The display will show the first item in the configuration menu.
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