Xylem IM244R04 SPD Plus Variable Speed Pump Control - Manual (Page 11)

11
FIGURE 1
SECTION 6: POWER SUPPLY AND WIRING
POWER CONNECTION DIAGRAMS
The following diagrams show the power connection layout for each frame size.
• For sizes R4 and N4
WARNING
If the secondary of the transformer is a delta with a grounded leg (corner grounded delta) or
floating network, the line to ground EMC filter components and line to ground MOV protection
must be disconnected or damage to the controller can result. Remove screws EM1 and EM3 for
frame sizes R4/N4 to disable line to ground EMC filter and MOV protection.
WARNING
Hazardous
voltage