G
AMATRONIC
E
LECTRONIC
I
NDUSTRIES
L
TD
.
MegaV2 250 Installation Guide, Release 2.2
8
1.2.4.4
Assembling and connecting the batteries
1.
It is recommended that the battery cabinet(s) be located as close to the UPS as is
practically possible.
2.
Assemble the batteries within the battery cabinet and make necessary connections to the
switch inside the battery cabinet.
3.
Measure the dc voltage at the switch inside the cabinet.
4.
Verify that you obtain values of +360 Vdc (red) and –360 (black) with reference to N (blue).
5.
With the battery box circuit breaker in the OFF position, connect the battery box to the
MegaV2 250
battery terminals. Observe proper polarity!
Protect the batteries from moisture, dampness, and foreign substances.
The temperature of the battery's surroundings influences the batteries' useful lifetime.
Table 2: Battery lifetime vs environmental temp. (illustrative, as per Eurobat)
E
NVIRONMENTAL
TEMPERATURE
A
CHIEVABLE PERCENTAGE OF
BATTERY
'
S RATED LIFETIME
20 °C
100 %
30 °C
50 %
40 °C
25 %
