Qbl15 Battery Distribution Box Installation - Northern Telecom Meridian SL-1 Installation Manual

Chart 2-10

QBL15 BATTERY DISTRIBUTION BOX INSTALLATION

The QBL15 battery distribution box should be located on the wall near the Meridian SL-1
cabinet to readily enable viewing of meters and LED indicators on the front of the unit.
When suppression of Electromagnetic Interference (EMI) is a requirement, power and alarm
wiring should be run in metallic conduit between the QBL15 battery distribution box and the
QCAD321 junction box assembly. The battery unit and the junction box are capable of
1
accepting 1 / in. conduit
4
STEP PROCEDURE
1 Unpack the QBL15 battery distribution box and dispose of the packing material.
Caution: The QBL15 battery distribution box weighs approximately 50 lbs (23 kg).
2 Inspect the unit for damage, paying particular attention to the meters. Report any
damage to supplier.
3 Using screws or bolts, mount the unit on a wall within 6 ft (1830 mm) of the batteries.
The bottom of the unit should be approximately 4 ft (1220 mm) above the floor (Fig. 2-
14).
Note: A wooden backboard may be required to support the unit on the wall.
4 Remove the screws securing the front panel of the battery distribution box.
5 Remove the main fuse (CRS200) from the QBL15 battery distribution box (Fig. 2-14).
6 Install and connect a red 1/0 AWG wire between the negative terminal of the battery
string and the negative input (-VE BUS) in the QBL15 battery distribution box (Fig. 2-
15).
7 Install and connect a black 1/0 AWG wire between the positive terminal of the battery
string and the negative bus (±VE BUS) in the QBL15 battery distribution box (Fig. 2-
15).
8 Insert the main fuse (CRS200) in the QBL15 battery distribution box (Fig. 2-14).
9 If required, install cover.
Installation and connections 2-45
Appendix 1 to 553-2601-200