ZGR VERSATILE RT - 10 KVA
Manual de operaciones
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26
4.3.3
Battery connection
The UPS uses a positive and negative double battery framework, total 16(optional 18/20) pieces in series. A
middle point cable is retrieved from the joint between the negative of the 8
th
(9
th
/ 10
th
) and the positive of the 9
th
(10
th
/ 11
th
) of the batteries. Then the middle point, the battery positive and the battery negative are connected with
the UPS respectively. The battery sets between the Battery positive and the middle point are called positive
batteries and that between middle point and negative are called negative ones. Users can choose the capacity
and the numbers of the batteries according to their demands. The connection is shown as following (Fig. 4-5):
Fig. 4-5 Battery connection
The BAT+ of the UPS connect poles is connected to the positive of the positive battery, the BAT- is connected to
the negative of the positive battery and the positive of the negative battery, the BAT- is connected to the negative
of the negative battery
。
Factory default setting for battery quantity is 16 pcs and for battery capacity is 7 AH (charger current 1 A). When
connecting 18 pcs or 20 pcs batteries, please re-set battery quantity and its capacity after UPS starts at AC
mode. Charger current could be adjusted automatically according to battery capacity selected. (Also charger
current is selectable). Via the setting tool, all related parameter settings can be performed. These corresponding
settings are done though LCD.
WARNING
Protective earth cable: Connect each cabinet to the main ground system. For Grounding connection, follow the
shortest route possible
WARNING
Ensure correct polarity battery string series connection. i.e. inter-tier and inter block connections are from (+) to
(-)terminals.
WARNING
Ensure correct polarity of string end connections to the Battery Circuit Breaker and from the Battery Circuit
Breaker to the UPS terminals i.e. (+) to (+) / (-) to (-) but disconnect one or more battery cell links in each tier.
Do not reconnect these links and do not close the battery circuit breaker unless authorized by the
commissioning personnel.
