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NS3000 Series User Manual rev.01
2.5.3 Connection for Battery
On NS3000 10-30kVA series UPS, there is an internal battery breaker in the UPS. Also, this type UPS offer external
battery connection terminals. If customers want to use external battery, they have to install a battery breaker or fuse
between the UPS and the external battery.
UPS can have one ore two string of batteries B1 or B1+B2 each string is composed with 20+20 Battery with common
point see table 1.
UPS
B1
B1+B2
NS3010
40*7 or 9A/h
2*40*7 or 9A/h
NS3020
40*7 or 9A/h
2*40*7 or 9A/h
NS3030
----------
2*40*7 or 9A/h
Tab.1
The method of build-in battery connection as shown fig. 2-5:
Warning-Hazardous battery terminal voltage
≥
400Vdc
THE BATTERIES MUST BE INSTALLED WITH THE ORIGINAL MANUFACTORY KIT THAT
INCLUDE THE DEDICATE PLASTIC BATTERY BOX.
KIT CABLE cod. KITNS-CAVBATINT
USE THE MANUFACTORY INSTRUCTION.
2.5.3.1 UPS arrives with out batteries
Instructions for forty batteries
1) Opend the battery breaker
2) Insert the batteries in the plastic box and connect the batteries according fig. 2.5.B
3) Check with the multimeter the battery output cable correct polarity and voltage ( 8 battery have to be about
101-104V, 4 battery ave to be about 50-52V)
4) Fix the plastic battery box with hard tape at least in 2 positions.
5) Insert the plastic battery box according fig. 2.5.A. Pay attention all cable are marked and have different color.
6) Connect the battery according fig 2.5.A , don’t connect A and B cable in the shelf 1
7) In shelf 1 on the left connect the cable mark
A
with the cable mark
B
on shelf 2
8) Check B1- negative battery voltage on battery breaker. Negative battery is on the battery breaker right lower
terminal, the neutral is on the battery breaker central lower terminal.
9) With 20 batteries the voltage is NEGATIVE, about - 255 /-260V
10) In the shelf 1 (B1+) on the right connect the cable mark
A
with the cable mark
B
on shelf 2
11) Check B1+ positive battery voltage on battery breaker. Positive battery is on the battery breaker left lower
terminal, the neutral is on the battery breaker central lower terminal.
12) With 20 batteries the voltage is POSITIVE about + 255 -260V
Impotant: with 80 batteries repeat the operation upper descript change layer1 with layer 5 and B1 with B2 , with
B1 battery block don’t connect
2.5.3.2 UPS arrived with batteries inside
Start from point 6 to to 2.5.3.1 UPS arrives with out batteries section.
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NS3000 Series User Manual rev.01
Legend fig. 2.5A
B1
first string 40 battery with common point
B2
Second string 40 batteries with common point
BAT –
Mark NEGATIVE cable 40 battery series output
BAT+
Mark on POSITIVE cable 40 battery series output
BATT -.N
Common point 40 batteries series
C
Batteries cable
A
Mark on positive cable out put 8 or 4 series batteries
B
Mark on negative out put 8 or4 series batteries
FIG.2.5.A FRONT VIEW AND BATTERY CONNECTION
