Graco E-Flo, Installation Manual

Page: 13 / 28

Power Supply Requirements
311592Z 13
Power Supply Requirements
See T
ABLE
1 for power supply requirements. The system
requires a dedicated circuit protected with a 20 A circuit
breaker.
Power Disconnect Switch
See F
IG
. 1 on page 9. Install a power disconnect switch
(E) in the non-hazardous area. This switch must shut off
and lock-out all electric power to the system.
Hazardous Area Cabling and
Conduit Requirements
(Explosion Proof)
All non-intrisically safe wiring in the hazardous area
must be encased in Class I, Division I, Group C and D
approved explosion-proof conduit.
Wire passages from the hazardous to the non-hazard-
ous area must be secured by explosion-proof seal fit-
tings (L).
Increased Safety (European)
Use appropriate cables, connectors, and cable glands
rated for ATEX II 2 G. Follow all National and Local elec-
tric codes.
16D612 Power Module
The 16D612 Power Module transforms the high voltage
power supply to a 24 Vdc input for the pump sensor cir-
cuit. See manual 311608 for further information.
See F
IG
. 1 on page 9. Install the power module (G) in
the non-hazardous area.
See F
IG
. 2 Electrical Schematic for module wiring con-
nections.
Improper wiring may cause electric shock or other
serious injury if work is not performed properly. Have
a qualified electrician perform any electrical work. Be
sure your installation complies with all National, State
and Local safety and fire codes.
Table 1: Power Supply Specifications
Voltage
Phase Hz
Minimum Circuit
Breaker Size
230/400V 3 50/60 20 A/15 A
230/460V 3 50/60 20 A/15 A
Table 2: Cabling Specifications
Connection Points
Wire Size,
AWG (mm
2
)
Maximum
Length
ft (m)
VFD to Motor 14 (2.5) 330 (100)
Motor Overtempera-
ture Switch to VFD
18 (0.75) 330 (100)
Local Control Box to
VFD
16 (1.5) 330 (100)