13. Operation Control (For Multi Split Connection)

During multi split connection, indoor unit’s operation controls are same with single split connection unless specified in this chapter.

13.1Cooling operation

13.1.1Thermostat control

šCapability supply to indoor unit is OFF (Expansion valve closed) when Intake Air Temperature — Internal setting temperature < 28.4°F.

šCapability resume supply to indoor unit after waiting for 3 minutes, if the Intake Air temperature — Internal setting temperature > Capability supply OFF point.

13.2Soft Dry Operation

13.2.1Thermostat control

šCapability supply to indoor unit is OFF (Expansion valve closed) when Intake Air Temperature Internal setting temperature < 26.6°F.

šCapability resume to indoor unit after waiting for 3 minutes, if the Intake Air temperature Internal setting temperature > Capability supply OFF point.

13.3Heating Operation

13.3.1Thermostat control

šCapability supply to indoor unit is OFF (Expansion valve closed) when Intake Air Temperature Internal setting temperature > 33.8°F.

šDuring this condition, the indoor fan is stopped if compressor is ON.

šCapability resume supply to indoor unit after waiting for 3 minutes, if the Intake Air Temperature Internal setting temperature < Capability supply OFF point.

13.3.2Temperature Sampling Control

šTemperature sampling is controlled by outdoor unit where room temperature for all power supply ON indoor unit could be obtained.

šWhen capability supply to the indoor unit is OFF and the compressor is ON during heating operation, the indoor fan motor is stopped. During this condition, 15 seconds after sampling signal from outdoor unit is received, the indoor fan start operation at low fan speed.

šHowever, within first 4 minutes of capability stopped supply to the indoor unit, even sampling signal is received, the sampling control is cancelled.

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Panasonic CS-E12NKUAW, CU-E12NKUA Operation Control For Multi Split Connection, Cooling operation, Soft Dry Operation

CS-E9NKUAW, CU-E9NKUA, CU-E12NKUA, CS-E12NKUAW specifications

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