Flowserve QX Limitorque - Manual (Page 71)

71
Limitorque QX Electronic Actuator FCD LMENIM3314-00 – 5/11
flowserve.com
7.1.2 AC Low Voltage Module (Version 2).
Figure 7.2 is a diagram that shows wiring locations for a low voltage QX unit with version 2 motor controller board.
Motor controller board part number 68-825-0012.
Figure 7.2 - Low Voltage QX Unit Wiring Connections (Version 2)
7.1.3 DC Board Wiring (24 – 48 VDC)
Figure 7.3 shows wiring locations for the DC QX unit. All other wiring is the same as the low voltage wiring.
Figure 7.3 - DC QX Unit Wiring Connections
7.2 High Voltage Wiring (Cabling) Quick Reference Guide. (Greater than 250
VAC)
7.2.1 High Voltage Module
Figure 7.4 is a diagram that shows wiring connections for QX unit with a high voltage module with toroid transformer.
Control supply (power in) from L1, L2 and L3 from terminal block connector (J9) now connects to the toroid
transformer and the toroid transformer connects to the motor controller board (J2). All other wiring is the same as the
low voltage wiring.