
26
A
C
inp
ut
A
C
by
pa
ss
A
C
inp
ut
A
C
out
put
A
C
out
put
COM. connec-
tions
Inp.
Out.
R-S-T
N
COM. connec-
tions
U-V-W
N
Inp.
Out.
COM. connec-
tions
Inp.
Out.
Fig. 27.
Single line diagram, connection of parallel system up to 4 units of UPS models.
COM. connec-
tions
Inp.
Out.
R-S-T
N
R-S-T
N
COM. connec-
tions
U-V-W
N
Inp.
Out.
COM. connec-
tions
Inp.
Out.
Fig. 28.
Single line diagram, connection of parallel system up to 4 units of UPS-B models.