33
Control Power
Transformer
(Fused)
Motor Starter
(with overload
protection
Timer Relays allow
adjustment of:
Oil Pressure Fault Delay
Unload Time-out
Unloaded Startup Time
Enclosure
Control Relays
Discharge Pressure Switch with
adjustable deadband. Adjust as
needed for actual site requirements.
Suction Pressure Switch
with fi xed deadband. Adjust
for actual site conditions.
Figure 21b: Unloader Control Pressuer Switch Adjustments
Figure 21a: Unloader Control Timer Relay Adjustment
To Next Page
Loading...