INSTALLATION
4–21
UPS MAIN AC
INPUT (MAINS1)
BYPASS AC
INPUT (MAINS2)
Q1
RECTIFIER/BATTERY
CHARGER
INVERTER
Q4S
STATIC SWITCH
Q3BP
Q5N
UPS
OUTPUT
TERMINALS
BATTERY
TERMINALS
HA32A UPS
HA32C/D
UPS AUXILIARY CABINET
ISOLATION
TRANSFORMER
CB1
PROVIDED
BY
OTHERS
∆
Y
MKV-A2067-91
Figure 4–11
Alternate UPS Bypass Input Isolation Transformer Configuration
4.4.1.4 Connecting the Isolation Transformer for the UPS Main AC Input (MAINS1) Only
Connect the four cables from the UPS Auxiliary Cabinet marked A, B, C, and N to the
UPS input busbars marked A, B, C, and N, respectively (refer to Figure 4–12).
NOTE
A separate four-wire Wye source must be run to the UPS bypass ac input
(MAINS2) connections if the UPS has a 208 Vac output.
UPS MAIN AC
INPUT (MAINS1)
BYPASS AC
INPUT (MAINS2)
Q1
RECTIFIER/BATTERY
CHARGER
INVERTER
Q4S
STATIC SWITCH
Q3BP
UPS
OUTPUT
TERMINALS
BATTERY
TERMINALS
HA32A UPS
HA32C/D
UPS AUXILIARY CABINET
ISOLATION
TRANSFORMER
CB1
PROVIDED
BY
OTHERS
∆
Y
Q5N
MKV-A2066-91
Figure 4–12
UPS Input Isolation Transformer Configuration
4.4.1.5 Connecting the Input Harmonic Current Filter
The six (6) cables connecting the input harmonic current filter to the HA32A UPS are
supplied. The six power cables will ship separately with the HA32C/E UPS Auxiliary
Cabinet. They are already connected in the UPS Auxiliary Cabinet and must be
connected to the UPS cabinet. Rear access to the UPS cabinet will be required to make
these connections.
Summary of Contents for HA3000
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