Sullair LS-20S Operator's Manual And Parts List page 14

Section 2
DESCRIPTION
Figure 2-3 Compressor Cooling and Lubrication System Diagram
WATER-COOLED
MACHINES
FLUID
COOLER
ments exceeds 10 psid (0.7 bar), the Supervisor II
module displays a maintenance requirement mes-
sage.
The receiver is a pressure vessel designed and built
to codes administered by appropriate governing bo-
dies. A combination minimum pressure/check
8
FLUID
COOLER
FLUID
STOP
VALVE
FLUID
FILTER
FLUID
STOP
VALVE
FLUID
FILTER
THERMAL
VALVE
valve, located downstream from the separator, as-
sures a minimum receiver pressure of 50 psig (3.5
bar) during all conditions. This pressure is neces-
sary for proper air/fluid separation and proper fluid
circulation while supplying air to the system. This
valve also acts as a check valve preventing com-
pressed air in the service line from bleeding back
THERMAL
VALVE
AIR-COOLED
MACHINES