1. System Installation Requirements
1-14
TI 33J01J10-01EN
to operate the system.
TIP
measured with one unit.
120
125 127
90
100
110
120
132
130 140 150 160 170
187
Peak value (V op)
V
value
(V rms)
Effective
value
(V rms)
System operating
voltage range
274
200
198
220
240
264
280 310 340 370
374
Peak value (V op)
180
System operating
voltage range
V op= 2 V rms V op= 2 V rms
Figure System Operating Voltage Range
the danger zone, causing the system to enter power fail mode (non-detected momentary power
failure: up to 20 ms).
Rectification, smoothing,
power factor correction
Input voltage
monitoring
DC/AC Rectification
Output voltage
monitoring
PWM
ACRDY
DCRDY
Input
(AC)
control
Output
(DC)
System
control
signal
(Waveform
monitoring)
Insulation
terminal voltage
Figure FCU Power Circuit Diagram
Dec. 28, 2015-00
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