MGE UPS Systems EX-5, EX-7, EX-11RT manual AC Input, Connection of Optional CLA Module

Installation and User Manual

2.9Connection of Optional CLA Module

1. Connect the battery power cable 40 and battery detection cable 42 (provided with the CLA Module) between the Power Module and the CLA Module.

2.Connect the DC Input of the CLA Module to high power battery cabinet.

◗DC Input Cable cross-section (not provided): maximum 4 AWG solid or stranded wire.

3.Connect the utility AC input to terminal blocks L1 and L2 of the CLA.

◗AC input cable cross-section (not provided): maximum 16 AWG solid or stranded wires. Field wiring connections to terminal block shall be made using the following:

– No. 14 AWG, 60º C copper wires for AC inputs.

– No. 10 AWG, 75º C copper wires for DC inputs.

Figure 2-17: Rear view of CLA Module cable battery and AC input connections

Connection Diagram

(inside CLA Module)

- +

DC INPUT

240Vdc

NL

(L2) (L1)

AC INPUT

156-280Vac

42

40

Terminal tightening torque:

– 5 lb-in. for AC input terminals

– 18 lb-in. for DC input terminals

DC Input to High Power Battery Cabinet

Separate, 15A Utility AC Source @ 208 or 240

Use 15A DBL. Pole CB

86-86000-00 B00 Installation 2 — 19