Fujitsu Airstage J-II Series Design & Technical Manual page 796

z Peak cut operation function
„
Reduces the Input Power by setting a specific target value (maximum average power [kW]) for
all the air conditioners and controlling operation so that this value is not exceeded.
Limit control is performed in 3 steps of "Step 1: Set temperature shift" → "Step 2: Thermostat
OFF" → "Step 3: Outdoor unit stop".
To perform this control, an electricity meter must be installed.
Step 3
Step 2
Step 1
Actual power
consumption
1 period
*Specifies the maximum average
electric power [kW] for the entire air
conditioning system.
Without control
1 period
Normal
Group A
ON
Normal
Group C
Group A
OFF
Group C
Step 3
Outdoor unit stop
1 period
Time
- (07 - 149) -
Indoor units outside
Step 1
the scope of energy
Set temperature shift
saving control
Group B Group A
ON
Group D Group C
Group B Group A
ON
Group D Group C
Step 2
Thermostat OFF
With control
Target maximum
average electric
power setting level
Time
Group B
Group D
Group B
Group D