Graco Husky 1050e, Operation

Page: 22 / 72

Electrical Connections (BLDC Models)
BLDC Motor Wiring
To avoid injury from fire, explosion, or electric
shock, all electrical wiring must be done by a
qualified electrician and comply with all local codes
and regulations.
See Wiring Tips, page 21 , for additional information
on wire routing.
NOTE: Use only copper wire with an insulation rating
of 75°Cor higher.
1. Use a 1/4 in. socket to remove the cover from
the motor electrical box.
2. Install wiring system with proper liquid-tight
connections to the motor electrical box.
3. Connect the Graco Motor Control to the motor.
Use minimum 14 AWG (2.5 mm
2
) wire. Use a 7
mm socket to loosen the terminal studs.
a. Connect M1(U) of the Graco Motor Control
to U1 of the motor.
b. Connect M2(V) of the Graco Motor Control to
V1 of the motor.
c. Connect M3(W) of the Graco Motor Control
to W1 of the motor
d. Use an 8 mm socket to loosen the ground
stud. Connect the Protective Earth of the
Graco Motor Control to the Protective Earth
of the motor
.
4. Torque to the following specifications:
a. Torque the M4 studs (U1, V1, and W1) to 15
in-lb (1.7 N•m).
b. Torque the M5 stud (Protective Earth) to 20
in-lb (2.3 N•m).
5. Connect the M12–8 Pin cable to Connector 1 on
the motor.
6. Put the cover on the motor electrical box. Torque
the bolts to 20 in-lb (2.3 N•m).
Figure 9 Wiring to Motor
1
Do not use.
22 334188P
Tel: 866-777-6060
Fax: 866-777-6383
Springer Pumps, LLC
Website: www.springerpumps.com
Int'l: +001 267 404 2910