Alpha Technologies UPE-6 - Manual (Page 24)

24 031-124-C0-004, Rev. D
2.0 Installation, continued
2.9 Battery Installation, continued
2.9.2 Battery Installation Procedure
Procedure:
1. Place the batteries on the enclosure’s battery slide tray or battery shelf. The correct
arrangement of the batteries on the tray or shelves varies between enclosure
models. See Figs. 2-8 and 2-9 for the correct battery arrangement. Leave a
minimum of one inch of ventilation space between the batteries.
2. To make identifi cation and record keeping easier, number and label the batteries.
Record each battery’s number and date code in the power supply maintenance log.
3. Using the battery arrangement diagrams as a reference, connect the batteries in
series to achieve 36Vdc. Refer to the diagrams for the location of the optional in-
line fuses. For AlphaCell batteries, torque terminal connections to approximately
65 in-lbs (7.3 Nm) at installation and re-torque to 50 in-lbs (5.6 Nm) during routine
maintenance. For non-Alpha batteries, torque to manufacturer’s specifi cations.
4. Verify the batteries are properly connected by checking the polarity and voltage
of the battery cable connector with a digital voltage meter. DO NOT connect the
battery string or strings to the power supply at this time.
5. The power supply battery charger collects battery temperature compensation
information with a Remote Temperature Sensor (RTS) attached to one of the
batteries. Refer to the Fig. 2-7 or Fig. 2-8 to determine the RTS attachment point.
See Section 3.1 for RTS the attachment procedure.
6. Route the battery cable connector into the power supply compartment. DO NOT
connect to the batteries to the power supply at this time.
Recheck the polarity and voltage of the battery cable connector before proceeding. Connecting
the battery string or strings to the power supply with incorrect polarity will cause a short circuit and
possible equipment damage.
CAUTION!
In battery confi gurations made up of multiple battery strings, Alpha recommends the use of in-line fuses.
NOTE:
To prevent arcing, never allow live battery cables to make contact with the enclosure.
Disconnect battery leads, or wrap the cable lugs with electrical tape.
WARNING!
CAUTION!
Threaded insert terminals require the use of 3/4" (19mm) bolts. The use of 1" (25.4mm) bolts will
seriously damage the battery. The only exception is the terminal with the large spacer for the in-line
fuse link. See Section 2.9.3 for details.