Fujitsu Airstage J-II Series Design & Technical Manual page 798

Small vrf system
Table of Contents
„ OPERATION EXAMPLE
„
Electric charges usually consist of the following elements.
With the energy saving function, operation for each element is as follows.
Operation status is checked
by Input Power graph display.
Electric charge (Input Power) = Basic charge + Usage charge + Demand charge
Reduced by indoor unit
rotation control
Control target value:
Indoor unit stoppage rate [%]
*Basic charge: Charge billed according to contract with the electric power company. Includes
meter reading cost and billing cost.
*Usage charge: Charge billed according the power consumed.
*Demand charge: Charge billed according to the scale in the contract with the electric power
Reduced by outdoor unit
capacity save control
Control target value:
Outdoor unit capacity upper
limit rate [%]
company.
- (07 - 151) -
Reduced by peak cut control
Control target value:
Target average power
(kBtu/h)

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