KStar YDC9300-B Operation Manual page 13

External battery connections for long-run units.
Note：
The BAT+ of the UPS connect poles is connected to the anode of the positive
battery, the BAT-N is connected to the cathode of the positive battery and the anode
of the negative battery, the BAT- is connected to the cathode of the negative battery.
Factory setting of the long-run unit is battery quantity---16pcs, battery
capacity---12V40AH (charger current 6A). When connecting 18/20 batteries, please
re-set desired battery quantity and its capacity after UPS starts at AC mode. Charger
current could be adjusted automatically according to battery capacity selected. All
related settings can be done through LCD panel or monitoring software.
3.8.2 Optional model
The UPS adopts positive and negative double battery framework, totally 16pcs (optional 18/20)
in series. A neutral cable is retrieved from the joint between the cathode of the 16
and the anode of the 17
Positive and the battery negative are connected with the UPS respectively. The battery sets between
the Battery anode and the neutral are called positive batteries and that between neutral and cathode
are called negative ones. The user can choose the capacity and the numbers of the batteries
according to their desire.
External battery connections for long-run units.
th th th th th
(18 /19 /20 /21 ) of the batteries. Then the neutral cable, the battery
11
th th th th th
(17 /18 /19 /20 )