Alpha Technologies PME Series - Manual (Page 38)

031-161-B0-006, Rev. F 38
2.0 Installation, continued
2.5 Battery Installation, continued
2.5.2 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 the Figs. 2-26 through 2-31 for the correct battery
arrangement for each model. 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 or 48Vdc. Refer to the diagrams for the location
of the optional in-line fuses. Torque terminal connections according to battery
recommendations (see battery label for AlphaCell batteries).
4. Check the polarity and voltage of the battery cable connector with a voltmeter
to verify correct connections. 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 diagrams to determine which battery to attach the RTS
to. Attach the RTS about 1/3 of the way up from the battery’s base with a strong
adhesive tape. Route the RTS connector into the power supply compartment. Do
Not connect the RTS 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 strongly 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 2.5.5 for details.
6. Route the battery cable connector into the power supply compartment. Do Not
connect to the batteries to the power supply at this time.