HSO 2024 to HSO 2035 Installation, Operation and Maintenance Manual
Issue 1.2 : 03/10
Publication 2-119
Page 75 of 94
Fig 13 Start-up Oil Pump: Common Oil Lines for Injection and Lubrication
4-Way
Solenoid Valve
(Subplate
Shown)
TE
HT (Del)
Discharge
TE
HT (Oil)
Oil Drain
Oil
Filter
PI
PSL
Suction
PSH
Discharge
PI
Second Filter if
Double (Duplex) Oil
Filters Required
Oil Separator
Reservoir
Coalescing Elements for Oil
Separation Down to 5 ppm
Weir
LSL
Oil Cooler
(Water, Air or Refrigerant Cooled)
Instead of Liquid Injection;
refer to 7.4. Compressor Cooling
Circuit Completion
When Using Liquid
Injection Cooling
Oil Differential
Pressure
Regulator
Integral
Relief
Valve
OD
P1
HP
LP
PI
OD
P2
HP
LP
Oil
PT
Suction
T
P
A
B
A
B
Oil Injection
Oil Lubrication
HS
Discharge/Suction Bypass
Evacuation
A
Purge
Oil Drain
Load
Oil Filling
Connection
Unload