Graco Husky 2150e, Operation Manual

Page: 16 / 44

Installation
Wire Wire Wire Connections Connections Connections at at at the the the Explosionproof Explosionproof Explosionproof
Motor Motor Motor (Motor (Motor (Motor Code Code Code D) D) D)
Install the wiring at the motor as follows:
1. Open the motor’s electrical box.
2. Install wiring system with proper connections to
the motor electrical box.
3. Connect the green ground wire to the ground
screw.
4. For For
For 460V
460V
460V Wiring:
Wiring:
Wiring: Connect wire L1 to T1, L2 to
T2, and L3 to T3, and bridge the other wires, as
shown.
T1
T2
T3
L1
L2
L3
T4
T7
T5
T8
T6
T9
Figure 7 Connections for 460V Wiring
5. For For
For 230V
230V
230V Wiring:
Wiring:
Wiring: Bridge the wires as shown.
Then, connect L1 to T1/T7, L2 to T2/T8, and L3
to T3/T9.
T1
T7
T2
L1
L2
L3
T8
T3
T9
T4
T5
T6
Figure 8 Connections for 230V Wiring
6. Connect thermostat wires P1 and P2 to external
overload detection. Thermostat is NC (normally
closed).
7. Close the motor electrical box. Torque the
screws to 20 in-lb (2.3 N•m).
Wire Wire
Wire Connections
Connections
Connections at
at
at the
the
the Variable
Variable
Variable Frequency
Frequency
Frequency
Drive Drive Drive (VFD) (VFD) (VFD)
NOTE: NOTE: NOTE: Follow the instructions in the VFD
manufacturer’s manual.
Install the wiring at the VFD as follows:
1. Connect the wires to the motor. See
Electrical Connections, page 15 .
2. Open the VFD’s electrical box.
3. Install strain reliefs in both ports at the bottom of
the VFD box.
4. Connect the green ground wire to the ground
screw.
5. Connect the wires from the motor terminals to the
matching terminals in the VFD box, as shown.
U
/T1
V
/T2
W
/T3
PE
PE
PES
PES
PES
PES
PES
PE
Figure 9 Wire Connections from the Motor to the VFD
Main Main
Main Power
Power
Power Connections
Connections
Connections at
at
at the
the
the VFD
VFD
VFD
All electrical wiring must be completed by a
qualified electrician and comply with all local codes
and regulations.
Connect the power supply wires to the VFD, as
follows:
1. Connect the wiring between the motor and VFD,
as detailed above.
2. Connect the green ground wire of the power
supply to the ground screw. The ground wire
from the motor is also connected to this screw.
3. Connect the power supply wires to the power
terminals in the VFD box, following all local codes
and regulations.
4. Close the VFD electrical box.
16 3A4068H