Indoor Temperature Display; Liquid Crystal Matrix Display Description - Midea MRCT-075CWN1-D(C) Technical & Service Manual

Midea R410A Tropical ClimaCreator Series Rooftop Package 220V 3Ph 60Hz
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Indoor temperature display: display range: 00~99° C. The indoor temperature is
displayed concurrently. If the temperature is higher than 99° C, 99° C will be displayed. If
the temperature value is invalid, '--' will be displayed.
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If timing startup or shutdown is set, the flag (
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T3, T2A and T2B display: in the single-machine query page, display can shift between
T3, T2A and T2B; by the way, the temperature value is displayed concurrently, with the
corresponding ° C being luminous.
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In case of air conditioner fault or protection, the corresponding fault code or protection,
the corresponding fault code or protection code can be displayed.
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Liquid crystal matrix display description:

The liquid crystal matrix is composed of 4×16 grids, and each grid is composed of two
blocks of different sizes. The matrix includes horizontal coordinates 00~15 on the upper
side and vertical coordinates 00+, 16+, 32+ and 48+ on the left side, which indicate the
address of the indoor unit. The sum of the horizontal coordinate and the vertical
coordinate of the grid is the address of the grid. Each grid corresponds to an indoor unit
of this address. One grid is composed of two blocks of different sizes. The status
indication table is as follows;
Big
black block
Small
black block
131
Constantly on Slow blink
In-service Selected
Power on
MCAC-RTT6S-201701
) is displayed.
Fast blink
Out of service
Fault of indoor Power off
or outdoor unit