User Manual
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2-3. Electrical Preparations for UPS Installation
Installation and wiring must be performed in accordance with the local electric laws/regulations by authorized
technical personnel only.
Make sure the mains wire and breakers in the building are enough for the rated capacity of UPS to avoid the haz-
ards of electric shock or fire.
NOTE:
Do not use the wall receptacle as the input power source for the UPS, as its rated current is less than the
UPS’s maximum input current. Otherwise the receptacle may be burned and destroyed.
Switch off the mains switch in the building before installation.
Turn off all the connected devices before connecting to the UPS.
2-3-1. External Protection and Isolating Devices
WARNING:
A disconnect switch shall be provided by others for the AC input circuit. To reduce the
risk of fire, connect only to a circuit provided with branch circuit over current protection for Table 3
Amperes rating in accordance with the National Electric Code, ANSINFPA 70.
The following table indicates the protection devices (circuit breakers and fuses) which must be installed
by the installing personnel for protection of both the cables and the equipment. One external branch
breaker on the UPS output side is strongly recommended for over-current protection and for easy
disconnecting the load device.
Table 3: Fuses or circuit breakers
UPS Part Number
UPS-17602-52R
INPUT
Fuse
50A
Circuit Breaker
50A
2-3-2. Installation Data
Table 4: Environment Data
Ambient temperature
+32°F to +104°F (0°C to +40°C)
Relative humidity (w/0 condensing at 20°C
90%
Max. altitude (w/o de-rating)
1000 m a.s.l
Cable inlet
Bottom at the rear side
Air inlet
front
Air outlet
rear