Compressor Wiring - Graco SaniForce 1040e User Manual

Compressor Wiring

Compressor Wiring
Compressor Compressor
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.
Follow these instructions to wire Graco Compressor
24Y921 (120V) or 24Y922 (240V).
See Wiring Tips, page 22, for additional information
on wire routing.
NOTE: NOTE: NOTE: Use only copper wire with an insulation rating
of 167°F (75°C) or higher.
1. Remove the cover from the compressor's
electrical box.
KEY KEY KEY
A A A To power supply
B B B To controller
Figure 9 Wire Connections at the Compressor
26
Wiring
Wiring
2. Install wiring system with proper connections (i.e.
conduit/fittings, power cable/cable grip) to the
compressor electrical box.
3. Connect line power (120VAC or 240 VAC,
depending on your compressor) to L1 and L2/N.
Connect supply ground to
to 20 in-lb (2.3 N•m).
4. When powering the Graco Motor Control or VFD
on the same circuit as the compressor, connect
branch wiring to L1, L2/N and Ground, then
connect to the Graco Motor Control or VFD.
5. Reinstall the cover of the electrical box. Torque
screws to 20 in-lb (2.3 N•m).
L2
L1
. Torque terminals
B
A
3A3167P