Graco 25C483 Instructions - Parts Manual page 10

Installation
Motors are equipped with an automatic thermal
protective device. Review the warning label on the
motor stating the requirement for connecting to the
control circuit terminals of the VFD. UL and NEC
require connection of motor thermostat leads P1 and
P2 into the control portion of a manual reset start
circuit.
For Graco supplied VFDs, motor thermostat leads P1
and P2 connect to terminals 4 and 13B on the VFD,
as shown below.
MOTOR THERMOSTAT LEADS
For ATEX motors, follow the thermal protection wiring
requirements described in the ATEX motor manual.
The ATEX motor manual is included with the agitator.
For Non-Graco supplied VFD — see the motor
Installation manual for instructions to connect to the
VFD.
Installations Installations with Installations with Elevators with
To reduce the risk of serious injury, including cuts,
amputation of fingers by the agitator blades, and
splashing in the eyes or on the skin, always power
off the VFD before raising, checking, or repairing
the agitator.
Equipment surfaces and fluid that is heated can
become very hot during operation, resulting in
severe burns. To avoid severe burns do not touch
hot fluid or equipment.
Hazardous locations: Install a hazardous location
approved electrical disconnect switch near the
agitator. This switch enables the operator to stop the
agitator before lifting the elevator and drum lid.
10
Elevators Elevators
Grounding the the Agitator Agitator
Grounding Grounding the Agitator
The equipment must be grounded to reduce the
risk of static sparking and electric shock. Electric
or static sparking can cause fumes to ignite or
explode. Improper grounding can cause electric
shock. Grounding provides an escape wire for the
electric current.
The drum cover and all electrically conductive
objects or devices in the dispensing area must be
properly grounded. Check your local electrical code
for detailed grounding instructions for your area and
type of equipment.
To ground ground the the agitator, agitator, connect one end of the
To To ground the agitator,
ground wire (A) to the ground connector (B) on the
agitator. Connect the other end of the ground wire to
a true earth ground.
Figure 4 Agitator Ground
3A4548G