Alpha Technologies XM2, XM2-HV, XM2-HP User Manual
Page 48

3.2
AC Input Voltage Reconfiguration, continued
3.2.2 Reconfiguration from 240 to 120Vac
NEMA 5-20P
(P/N 874-540-20)
NEMA 5-20R
(P/N 531-006-10)
NEMA 6-15P
(P/N 874-540-22)
NEMA6-15R
(P/N 531-004-10)
Fig. 3-6, Typical NEMA Receptacles and Plugs
240V,15A Plug and Receptacle
120V, 20A Plug and Receptacle
Tools Required:
• #2 Phillips head screwdriver
• Flat-blade screwdriver
Supplies Required:
120Vac 20A line cord
(NEMA 5-20P, P/N 874-540-20)
120Vac Input Select Jumper (P/N 744-281-20)
Contact your Alpha Technologies representative for Wire Set part numbers.
Procedure (240Vac Input to 120Vac Input):
1. Completely shut down the XM2 power supply. Remove all utility and battery
power. Remove all connections and cables from the XM2 power supply.
2. Verify the enclosure system wiring before proceeding with power supply
modification. Refer to the appropriate enclosure installation instructions.
3.
Replace the 240Vac 15A line cord (NEMA 6-15P) on the XM2 power supply with
a 120Vac 20A line cord (NEMA 5-20P). Verify proper wiring and ground on the
new plug.
4. Locate the transformer module input jumpers in the transformer compartment.
Replace the currently installed 240Vac jumper (744-281-21) with a 120Vac
jumper (744-281-20) and reconfigure JP1 and JP2 as shown below.
Fig. 3-7, Transformer Module Input Jumpers, PDB Jumpers
120Vac Input Select Jumper
(P/N 744-281-20)
240Vac Input Select Jumper
(P/N 744-281-21)
JP1 & JP2
120
240
JP1 & JP2
120
240
48
017-805-B0-010 Rev. K2