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2.2 Q & A
Power Proportional Distribution (PPD)
ED721208
2.2
Q & A
What situations and what operations cause loss of PPD result?
Refer to the description on Page 349.
The following operations from iTM (DCM601A51) cause loss of PPD result.
· Changing a PPD method
· Initializing all data on PPD
· Adding a PPD group
· Deleting a PPD group
· Editing a PPD group
In what situations does a PPD result lean to a certain indoor unit?
It happens when multiple indoor units are connected to VRV and only one of them is in operation.
The PPD system performs distribution calculation of electric power used by an outdoor unit based on load on
indoor units.
In the above case, the power consumption by the outdoor unit is allocated to one indoor unit in operation
because the outdoor unit is in operation (that is, the compressor is turned ON) only for one indoor unit in
operation.
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Summary of Contents for DCM601A51
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