Connect Supply Wiring - Graco E-Flo Y31 Series Instructions Manual

Electrical Grounding
1. Ensure that the electrical disconnect (A) is shut off
and locked out.
A
F . 3 Locked out disconnect example
IG
2. Remove the cover to access the motor electrical
wiring compartment (EC).
3. Connect the supply ground wire to GND.
W1
W2
W3
F . 4 Motor wiring
IG
4. Connect the other end of the supply ground wire to
a true earth ground.
Component Grounding
Fluid hoses: Use only electrically conductive hoses
with a maximum of 500 ft. (150 m) combined hose
length to ensure grounding continuity. Check the
electrical resistance of hoses. If total resistance to
ground exceeds 25 megohms, replace hose
immediately.
3A7826A
Fluid supply container: Follow your local code.
Solvent pails used when flushing: Follow local code.
Use only conductive metal pails, placed on a grounded
surface. Do not place the pail on a non-conductive
surface, such as paper or cardboard, which interrupts
grounding continuity.
To maintain grounding continuity when flushing or
relieving pressure: Hold metal part of the spray gun or
valve firmly to the side of a grounded metal pail, then
trigger the gun or open the valve.

Connect Supply Wiring

All electrical wiring must be done by a qualified
electrician and comply with all local codes and
regulations.
1. Ensure that the electrical disconnect (A) is shut off
GND
and locked out. See F
L1
2. Bring the power wires (L1, L2, and L3) through the
L2
3/4-14npt(f) inlet port of the electrical wiring
L3 compartment. Connect the wires to the terminal
blocks.
NOTE: When using a communication module, the wire
orientation is important. L1 and L3 transmit
communication. Incorrectly wiring the communication
module will result in communication failure. See F
- L1 to W1 (black)
- L2 to W2 (red)
- L3 to W3 (blue)
3. Torque terminal screws (TS) to 7 in-lb (0.79 N•m).
Do not over-torque.
4. Close the electrical wiring compartment (EC).
Torque the cover screws (CS) to 15 ft-lb (20 N•m).
Installation
. 3.
IG
IG
. 4.
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