Uninterruptible Power Supplies PowerWave 3000T, User Manual

Page: 27 / 60

UPS469-01-00 PowerWAVE 3000T User Manual Dated 05-04-13
3-15
3: Installation
3.5 Battery connections
.
The cabinets are designed to house a number of 12V batteries of various capacities to provide a flexible, self-
contained UPS system. Cabinets A & B can accept 7Ah or 9Ah batteries, while cabinet C can accept
batteries of up to 28-44Ah. The batteries are connected in up to 50x12V strings and it is possible to connect
2 or 3 strings in parallel in Cabinets B & C to enable a range of autonomy times to be achieved.
The final assembly and connection of the battery units will be carried out by the commissioning engineer.
3.5.1 External battery cabinets
If the required autonomy time cannot be achieved using the UPS cabinet internal batteries, an external
battery cabinet may be used to house a larger battery system. When used, the external battery enclosure
must be fitted with a suitably rated fused isolator which is connected to the battery connection terminals
inside the UPS (refer to the appropriate illustration in Figure 3.5 to Figure 3.8).
Note: DC fuses and cables are bespoke to the installation.
3.6 Module interface facilities
The UPS contains a communication port and a communication card that can provide a range of system
information to a remote computer or building facilities monitoring device.
Standard interface facilities
JD1 – Smart Port (Serial RS232) provides an interface between UPS system and a computer via a sub-D9/
female connector
(see paragraph 3.6.1) .
X1-21 – Dry Port (volt-free contacts) provides a customer input/output interface via Phoenix terminals (see
paragraph 3.6.2) .
Optional Facilities
The following interface facilities are described in the Options chapter of this manual.
USB – PC Interface for remote signalling and automatic computer shutdown.
SNMP – Slot for optional SNMP card ONLY. For monitoring and integration in network management.
WARNING: The final assembly and connection of the battery units must be carried out by the
commissioning engineer. Do not attempt to complete the battery wiring or close the battery
isolators before this system has been commissioned
Key Point: If an external battery system is used, the UPS internal batteries must be disconnected
from the system. It is NOT possible to operate the internal and external batteries in parallel.