Installation
Chloride Linear Plus Series Rack-mount UPS User Instruction Manual
10
lines) to other equipment, should be kept separate from that of UPS cables.
Neutral Connection
The installation of the UPS does not affect the existing Neutral system.
The Neutral system may be affected if the UPS is operating with the Neutral switched upstream.
External Protection
and Isolating
Devices
WARNING: A disconnect switch shall be provided by others for AC input/output circuit. To reduce the
risk of fire, connect only to a circuit provided with branch circuit over current protection for Table 7
Amperes rating in accordance with the National Electric Code, ANSI/NFPA 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.
NOTE: The external battery cabinet shall be located adjacent to the UPS. When such an option is
supplied by Chloride it comes complete with protection devices and correctly-sized cables. When batteries
are sourced from other suppliers it is advised that Chloride be contacted for correct sizing of protection
devices and interconnection cables.
Installation of
Differential
Protection Devices
Fig. 4 illustrates the method of installing differential breakers.
To avoid spurious operation, differential protection devices must:
• be rated at differential current NOT LESS THAN 100 mA
• be a SELECTIVE type (delayed intervention)
• be Type A
Fig. 4: Standard configuration
Table 7. Fuses or circuit breakers
UPS Type
Linear Plus Rack-mount
6 kVA
Linear Plus Rack-mount
10 kVA
Input
Fuse / A
40 A
60 A
Circuit breaker / A
40 A
60 A
Output
Circuit breaker
30 A
50 A
Output
External Battery Pack
D1
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