American Power Conversion MatrixTM UPS - Manual (Page 11)

4.5.2. Using a medium size phillips screwdriver, remove all 10 screws that secure the power distribution
plate to the rear of the Isolation Unit. Move aside the power distribution plate. Take care not to strain
the wires connected to the devices on the plate.
208 Vac Input Configuration
4.5.3. Remove the phillips head 10-32 x 3/8" SEM screw holding the red Input Voltage Select Wire (see illustration) to
the tap bar marked "208 VAC SELECT."
4.5.4. Move the red Input Voltage Select Wire to the tap bar marked "240 VAC SELECT" and tighten the screw.
4.5.5. Check your work before reattaching the power distribution plate. Take care not to crimp or pinch
any of the wires connected to the devices on the power distribution plate.
240 Vac Input Configuration
4.6 Module Interconnections
Follow the instructions listed below to install and lock the battery couplers.
4.6.1. Using a phillips screwdriver, remove the battery coupler clamps from the Electronics Unit and from all but one
Battery Pack.
4.6.2. Turn the battery coupler clamp and refasten loosely at one side.
4.6.3. Mate the battery couplers in the fashion shown below. The Battery Packs are electrically connected in parallel.
4.6.4. Fasten remaining side of battery coupler clamp to lock couplers in place.