Alpha Technologies FXM350_Micro350 UPS - Manual (Page 36)

017-241-B0 Rev B 34
CAUTION!
Torque the battery terminals according to the manufacturer’s specifications as given on
the name plate or data sheet.
4. Place the batteries into the enclosure. Orient them so that connecting cable lengths are minimized.
5. If the optional battery restraining bar is used, install it as shown in Figure 23.
6. Connect the batteries as shown in Figure 22. If used, install the in-line fuse.
7. If the Micro XL or XL3 is used, connect and install the extra shelves of batteries.
8. Connect the black battery cable to the negative terminal of the battery string, and the red battery cable to
the positive terminal of the battery string.
9. When the batteries are wired, measure the voltage at the battery connection terminals. It should read 21-
27V for a 24V battery string and 42-54 for a 48V battery string.
10. Note the polarity and ensure it is correct.
11. Ensure that the DC breaker if OFF.
12. Connect the battery connectors to the FXM350 and install the battery clip.
CAUTION!
Failure to install the battery clip could result in overheating of the battery connectors
and possible damage to the FXM350.
13. Route the sensor end of the battery temperature cable to the batteries.
14. Attach the battery temperature sensor to the body of the battery, about 2 to 3" (5 to 7.5 cm) from the base
of the battery.
1: Hook
the bar
under the
restraining
screw.
2: Secure the bar
to the chassis
Figure 23 — Securing the batteries with the optional restraining bar