Alpha Technologies Micro, Micro XL, Micro XL3 UPS - Manual (Page 26)

017-237-B0 Rev A 24
5.5 Installing and Wiring the Batteries
WARNING!
The batteries must be installed by qualified personnel trained in the safe use of high-
energy power supplies and their batteries. Refer to the Product Safety Information at the
beginning of this manual.
5.5.1 Procedure
1. Install the optional battery heater mats. Connect them to the input terminal block.
2. Connect the battery cables to the Battery Connector of the Alpha Micro Use the red cable for the positive
terminal and the black cable for the negative terminal. Secure the cables to the backing plate with tie-wraps
provided with the Alpha Micro. Make sure the battery cables can reach the battery terminals after they are
installed.
3. Coat the battery terminals with the corrosion inhibitor.
4. Place the batteries into the enclosure. Orient them in a way so that connecting cable lengths are minimized.
5. If the optional battery restraining bar is used, install it as shown in Figure 18.
6. Connect the batteries as shown in Figure 17.
7. Verify the voltage and polarity of the battery string with a DC voltmeter. Perform troubleshooting if it is not
correct.
8. Connect the battery temperature sensor to the Alpha Micro. Attach the sensor end of the cable to the side of
one of the centre batteries. See Figure 17.
9. If the Micro XL or XL3 is used, connect and install the extra shelves of batteries.
10. 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.
CAUTION!
Torque the battery terminals according to the manufacturer’s specifications as given on
the name plate or data sheet.