User guide

4
HA32C/D/E UPS AUXILIARY CABINET
4.1 INTRODUCTION
This section describes the HA32C/D/E UPS Auxiliary Cabinets, features, and options.
4.1.1 General Description
The HA32C/D/E UPS Auxiliary Cabinet is available in three different configurations for
use with the HA32A UPS. The configurations are:
1. Isolation Transformer (HA32D-xx)
The isolation transformer can be configured in one of three ways:
a. UPS Input Isolation Transformer: The isolation transformer provides complete
electrical isolation between the ac input source and the input of the UPS
(rectifier/battery charger and battery). See Figure 4–1.
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 4–1 UPS Input Isolation Transformer Configuration
4–1