Fujitsu AIRSTAGE J-II Design & Technical Manual page 320

Electricity charge apportionment
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Case1: Electricity meter is not connected
● Total electricity charge, billed for multiple indoor units connected to the charge meter for air
conditioning, is apportioned according to the accumulated operation time and indoor unit
operating conditions.
● Allows accounting for special rates (e.g., for night or weekend use).
● Calculations can be printed as final bills.
Electric power company
Electricity charges
(air conditioning)
System Controller
Tenant A-1
Tenant A-4
Outdoor unit
Tenant B-1
Tenant C-1
Case2: Electricity meter is connected *1
● Connecting a electricity meter allows the charges to be calculated for a variety of usage
patterns such as charges for the power used on a per day basis.
*1: UTY-PEGX option is necessary.
System Controller
CT
DPM
Room 301
Room 201
Room 101
Outdoor unit
NOTES:
● Multiple electricity meters can be installed taking into consideration the building design or
other requirements as follows.
▪ Installation of separate electricity meters for the outdoor units and indoor units.
▪ Installation of an electricity meter for the indoor units for each tenant.
▪ Installation of an electricity meter for the outdoor units/indoor units of each floor.
● Electricity meters that can output a pulse for 1 kWh (1 kWh/pulse) for the power consumed by
the air conditioning are recommended.
● There may be some restrictions on the
conditions.
● The electricity charge apportionment calculation does not comply with the laws and
regulations of the various countries regarding electricity measurements.
Signal transmission line
Tenant A-2 Tenant A-3
Tenant A-5 Tenant A-6
Tenant B-2 Tenant B-3
Tenant C-2 Tenant C-3
Signal transmission line
Room 302 Room 303
Room 202 Room 203
Room 102 Room 103
electricity meter installation depending on the property
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