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22
3. Installation and Setup
3.4 Single UPS Installation
Installation and wiring must be performed in accordance with local electrical codes/regulations and should only be performed by qualified
personnel.
1) Make sure the mains wire and breakers in the building can sustain the rated capacity of the UPS to avoid electric shock or fire hazard.
Note: Using a wall receptacle as the input power source for the UPS may result in the receptacle burning or being destroyed.
2) Switch off the mains switch in the building prior to installation.
3) Turn off all the connected devices before connecting to the UPS.
4) Prepare the power cables according to Table 3.2. Refer to Table 3.3 for UPS Input Breaker sizes and Table 3.4 for Battery Cabinet
Batteries and Breaker sizes.
WARNING:
• Before connecting any wires, make sure the AC input and battery power are completely shut off.
Table 3.2 Power Cables
Model
Wiring Specification
GroundInput (Ph) Output (Ph) Neutral Battery Packs
S3M30KX 8 AWG [8 mm
2
] 8 AWG [8 mm
2
] 4 AWG [21 mm
2
] N/A, when using only internal batteries 4 AWG [21 mm
2
]
S3M30KX 8 AWG [8 mm
2
] 8 AWG [8 mm
2
] 4 AWG [21 mm
2
]
4 AWG [21 mm
2
], for external battery pack
4 AWG [21 mm
2
]
S3M30KX-NIB 8 AWG [8 mm
2
] 8 AWG [8 mm
2
] 4 AWG [21 mm
2
]
4 AWG [21 mm
2
], for external battery pack
4 AWG [21 mm
2
]
S3M40KX 6 AWG [13 mm
2
] 6 AWG [13 mm
2
] 4 AWG [21 mm
2
] N/A, when using only internal batteries 4 AWG [21 mm
2
]
S3M40KX 6 AWG [13 mm
2
] 6 AWG [13 mm
2
] 4 AWG [21 mm
2
]
4 AWG [21 mm
2
], for external battery pack
4 AWG [21 mm
2
]
S3M40KX-NIB 6 AWG [13 mm
2
] 6 AWG [13 mm
2
] 4 AWG [21 mm
2
]
4 AWG [21 mm
2
], for external battery pack
4 AWG [21 mm
2
]
S3M60KX 4 AWG [21 mm
2
] 4 AWG [21 mm
2
] 1 AWG [42.4 mm
2
] 1 AWG [42.4 mm
2
] 4 AWG [21 mm
2
]
S3M80KX 2 AWG [34 mm
2
] 2 AWG [34 mm
2
] 1/0 AWG [54 mm
2
] 1/0 AWG [54 mm
2
] 2 AWG [34 mm
2
]
Table 3.3 UPS Input Breakers
Model (Agency Number) Breaker Size
S3M30KX (AG-030) 63A, 3-Pole
S3M30KX-NIB (AG-031) 63A, 3-Pole
S3M40KX (AG-040) 80A, 3-Pole
S3M40KX-NIB (AG-041) 80A, 3-Pole
S3M60KX (AG-060) 150A, 3-Pole
S3M80KX (AG-080) 6 x 30A Fuses/Phase
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