Control Piping Schematics - Quincy Air Master QT Series Parts Manual

CONTROL PIPING SCHEMATICS

pressure switch
to low and high
pressure
head unloaders
pilot valve
with lockout stem
QT-7.5 Air Master
50121M201, May 2001
discharge line
check valve
release valve
pressure gauge
Control Piping
For Continuous Run
discharge line
check valve
relief valve
pressure gauge
release valve
pressure switch
relief valve
For Automatic Start/Stop
pilot valve
Pilot valve is open (stem screwed out)
for Continuous Run operation
Pilot valve is closed (stem screwed in)
13
Control Piping
(with loadless starting)
to low and high
pressure
head unloaders
discharge line
check valve
relief valve
pressure gauge
Control Piping
For Dual Control
Quincy Compressor
3501 Wismann Lane, Quincy IL 62305-3116
PIX 1186.eps