Mitsubishi Electric AE-200A Instruction Book page 86

when few units are running and running times are short, the standby electric energy may be apportioned
as electric energy consumption on the air conditioners that are running. For this reason, the [Apportion]
setting for standby electric energy is recommended.
• In systems where the electric energy is entered manually (without metering devices), standby electric
energy cannot be apportioned in the charge rate.
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