Daikin RYN25DV3B ARY20DV2 Dokumentacja Pobierz pdf (Strona 35)

Control Specification SiBE01-829

24 Functions and Control

3. Control Specification

3.1 Four Way Valve Switching

Outline Current is conducted during heating operation, and current is not conducted during cooling or

defrosting. In order to eliminate the switching sound (as the four way valve coil switches from

ON to OFF) when the heating is stopped, the delay switch of the four way valve is carried out

after the operation stopped.

Detail The four way valve is switched 150 sec. after the compressor stops.

3.2 3-Minute Standby

Prohibit to turn ON the compressor for 3 minutes after turning it off.

(except when defrosting)

3.3 Compressor Protection Function

When the compressor turns ON, it keeps running at least 180 sec..

(except when defrosting)

3.4 Freeze-up Protection Control

Outline During cooling/dry operation, freeze-up protection control is activated according to the

temperature of the indoor heat exchanger to prevent it freezing.

Detail Conditions for starting



Temperature of the indoor heat exchanger

≤

C for 1 min. or more



Compressor running time

≥

10 minutes

While controlling



The compressor halts.

Conditions for ending



Temperature of the indoor heat exchanger

≥

10°C for 1 min. or more



The operation stops.

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Daikin RYN25DV3B ARY20DV2 Dokumentacja Strona 35