14
General Data
2.3 Safety and Control Device Setting
● Compressor Protection
The compressor is protected by the following devices and their combinations.
(1) High Pressure Switch: This switch cuts out the operation of the compressor when the discharge pressure exceeds the
setting.
(2) Oil Heater: This band type heater protects against oil foaming during cold starting, as it is energized while the
compressor is stopped.
Model 72 96 120 144
Compressor
Reset automatically and non-adjustable
(one for each compressor)
Pressure switch
High
Open psi
601 -7
-22
601 -7
-22
601 -7
-22
601 -7
-22
Close psi 464±22 464±22 464±22 464±22
Capacity of circuit
breaker
A 80X2 80X2 80X2 80X4
Oil heater capacity W 40X2 40X2 40X2 40X4
CCP Timer setting min.
Non-adjustable
3 3 3 3
Model 168 192
Compressor
Reset automatically and non-adjustable
(one for each compressor)
Pressure switch
High
Open psi
601 -7
-22
601 -7
-22
Close psi 464±22 464±22
Capacity of circuit
breaker
A 80X4 80X4
Oil heater capacity W 40X4 40X4
CCP Timer setting min.
Non-adjustable
3 3