4
4300 Series Installation and Operation Manual
2.4 Factory Authorized Personnel
Factory authorized personnel have been factory trained and certified to install, service, and repair the
UPS. Contact the Toshiba Customer Support Center for assistance in locating the factory authorized
personnel nearest you.
3 Important Safety Instructions
The following contains important instructions that should be followed during the installation, operation, and
maintenance of the 4300 Series UPS.
The UPS system input and output is NOT equipped with an over-current protection device, or an
output disconnect at the AC output.
The user should provide circuit breakers between the UPS AC
input (or Bypass input) and the power sources and between the UPS output and the critical load input. The
minimum device ratings are listed in Table 3.1.
TABLE 3.1 UPS MINIMUM DEVICE RATINGS
C
apaCity
R
ated
O
utput
i
nput
B
ReakeR
R
ating
O
utput
B
ReakeR
R
ating
30 kVA
208 V/120 V
208/120 V – 125 A
208/120 V – 125 A
50 kVA
208 V/120 V
208/120 V – 200 A
208/120 V – 200 A
The maximum operating ambient temperature for the UPS is 104 °F (40 °C) at 0.9 PF.
If the UPS is exposed to the same ambient temperature as the DC backup supply, the maximum operating
ambient temperature is:
•
Battery backup: 90 °F (32 °C) at 0.9 PF. Table 3.2 lists the nominal battery voltage.
TABLE 3.2 UPS NOMINAL BATTERY VOLTAGE
C
apaCity
n
Ominal
V
Oltage
F
lOat
V
Oltage
30 kVA
288 Vdc
324 V
50 kVA
288 Vdc
324 V
CAUTION
Misuse of this equipment could result in personal injury and/or equipment damage.
In no event will Toshiba Corporation be responsible or liable for either indirect or
consequential damage or injury that may come from the use of this equipment.
