Installation Of Wired Controller; Change Timer - Midea MRCT-075CWN1-D(C) Technical & Service Manual

Midea R410A Tropical ClimaCreator Series Rooftop Package 220V 3Ph 60Hz
Notes: Timer-off time must be longer than timer-on time.
Step 3: 0.5 second after setting, the wired controller send information to the unit. And the setting
is finished.

Change timer

When need to change timer time, press corresponding button to revise it. If cancel timer, please
change timer time to

1.5 Installation of wired controller

Caution

Do not install it in a place where combustible gas easily leaks. Once combustible gas leaks
and remains around wired controller, fire may be cause. Do not install it in a place with oil,
steam or sulphur gas, or else deform or malfunction may occur.

Wires must be suitable for the current of the wired controller. Otherwise, electricity leakage
or heating may be caused, which may result in fire.

Install the wire joint (5P) to the appointed position of the electric controlling box.

Circuit of wired controller is low voltage circuit, and never connected with a standard 220V
or 380V circuit. Also do not put it into a same wiring tube, and the interval must be more
than 300~ 500mm.

The shield cable must be connected stable to the ground, otherwise transmission may fail.

Wire must be suitable for wired controller, never bring outside force to bear on the terminal.

Do not to attempt to extend the shield cable by cutting. If it is necessary, please use terminal
connection block to connect.
101
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MCAC-RTT6S-201701