Graco ProBell 24Z221 Instructions And Parts page 13

Table 1 1 1 Key Key for for Cable Cable Connections, Connections, Electrical
Table Table Key for Cable Connections,
Port Label Label
Ref. Ref. Ref. Port Port Label
A
AUX-A Ports 1–3
AUX-E
B
BR
CAN
DT
MA
PT
SI
SO
ST
TA
3A3954D
Electrical or or or Manual Manual Air
Electrical Manual
Label Description
Label Label Description Description
Color Color Color
Mounting holes for power supply.
Black Auxiliary Air Ports — Use 4 mm (5/32 in) tubing.
Black Auxiliary port for optional optocoupler wiring.
Red Bearing Air — Use 8 mm (5/16 in) OD tube.
Red Bearing Air Return — Use 4 mm (5/32 in) tubing.
Black Graco CAN/Power (24VDC)
White Dump Valve Trigger — Use 4 mm (5/32 in) tubing.
Black Main Air Port — 1/2 in. npt
Green Paint Valve Trigger — Use 4 mm (5/32 in) tubing.
Gray Shaping Air Inner — Use 8 mm (5/16 in.) tubing.
Blue Shaping Air Outer — Use 8 mm (5/16 in.) tubing.
Black Solvent Trigger (Cup Wash) — Use 4 mm (5/32 in) tubing.
Turbine Air — Use 8 mm (5/16 in.) tubing with 1 mm (0.04 in) wall to
Brown
minimize pressure drop.
Air Controller Controller
Air Controller
Controller Connections
13