Cooling Mode; Outdoor Fan Running Rules; Compressor Running Rules; Auto Fan Action In Heating Mode - Midea DLCERAA12AAJ Service Manual

Fig. 18 - Auto Fan

COOLING Mode

Compressor Running Rules:

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When T1*Ts < 28.4
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When T1*TS > 31.1
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When the AC runs in the mute mode, the compressor runs
with low frequency.
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When the current is more than setting value, the current
protection function activates, and the compressor stops.

Outdoor Fan Running Rules:

The outdoor unit runs at a different fan speed according to T4. For
different outdoor units, the fan speeds differ.
Fig. 19 - Outdoor Fan Running Rules
The auto fan adheres to the following rules.
Fig. 20 - Auto Fan
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F(*2 C), the compressor stops.
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F(*0.5 C), the compressor activates.
Specifications subject to change without notice.
Fig. 21 - Compressor Temperature Protection
When the condenser temperature temperature is higher than the setting
value, the compressor stops.
Compressor Running Rules
When T1−Ts>−ΔT, the compressor stops, when T1−T
compressor will be on. ΔT is the programmed parameter of
temperature compensation. When the AC run in mute mode, the
compressor runs with low frequency.
When the current is more than setting value, the current protection
function is activated and the compressor stops.
Outdoor Fan Running Rules
The outdoor unit runs at different fan speed according to T4. For
different outdoor units, the fan speeds are different.
Fig. 22 - Outdoor Fan Running Rules

Auto Fan Action in HEATING Mode

<ΔT−1.5，the
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