Ingersoll-Rand ARO 637140-4B, Operator'S Manual, Page: 9 / 12

670093 (en) Page 9 of 12
REMOTE HOOK-UP CONNECTIONS
TYPICAL REMOTE HOOK-UP WITH POSITIVE FEEDBACK SIGNAL
NOTE: Pump may not be short-stroked with this system.
Valve will not run when pump does not cycle.
Supply air.
Air pilot return - solenoid actuated 4-way valve.
PLC / Controller signal.
Pneumatic feedback signal from pump.
TYPICAL BASIC REMOTE HOOK-UP
(#10 - 32 PORTS ON PUMP ARE PLUGGED)
NOTE:
Pump charges and exhausts through remote valve.
Supply air.
Spring return - solenoid actuated 4-way valve.
Figure 5
Figure 6