11. Operation Control
11.1 Cooling Operation
11.1.1Outdoor fan control
•When cooling operation is enabled, based on outdoor ambient temperature, fan motor control will be adjusted according to figure below:
11.1.2Powerful Operation 1
•During cooling operation, this control is to concentrate outdoor unit capability to the powerful operation enabled indoor unit by temporary stop the capability supply to low load demand indoor units.
•Operation start condition:
o Powerful operation ON for targeted indoor unit.
•Operation content:
o If other indoor units (where Powerful operation are OFF) achieve setting temperature continuously for 1 minutes after received powerful command from indoor unit, then capability supply to other indoor units are stopped for minimum 3 minutes. Capability supply stop period follows powerful operation period.
•Operation stops when comply either one of the following conditions:
o When other indoor units (where Powerful operation are OFF) is lower than setting temperature. o When the powerful operation is OFF for all indoor units.
o When Quiet operation received from 1 indoor unit. o When protection control starts.
11.1.3Powerful Operation 2
•During cooling operation, this control is to provide fast cooling operation compare to normal operation.
•Operation start if all condition below are complied: o Powerful operation ON for indoor unit.
•Operation content:
o Outdoor fan speed will adjust automatically.
o Compressor frequency will adjust automatically.
•Operation stop when comply either one of the follow conditions: o When the powerful operation is OFF for all indoor units.
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