Figure 3: Variable Frequency Drive Components (Factory Pre-Wiring Shown) - Roberts Gorden UltraVac NEMA 4 Installation Manual

ROBERTS GORDON ® ULTRAVAC™ C

FIGURE 3: Variable Frequency Drive Components (Factory pre-wiring shown)

Variable
Frequency Drive
(1 Ø input model shown)
10
I M
ONTROLLER NSTALLATION ANUAL
L1 L2/N PE B-
B+
Terminal Inputs
U V W PE PE
230 V 3 Ø or
460 V 3 Ø outputs
120 V signal from relay board
output #8
(1 Ø input model shown, 3 Ø input models have an
additional input fuse holder and VFD power input.)
VFD Enclosure
(Standard Enclosure Shown)
Power Input
Relay
120 V
Input Fuse Holder
Rotary
Disconnect
Grounding
Block
M16/12.P M16/12.P