Trane AdaptiR RTHD Installation Operation & Maintenance page 84

Operating Principles Mechanical
Figure 36. RTHD Oil Flow Diagram
Evaporator
Pressure
Transducer Pe
84
Oil Return Filter
Master Oil Line
Solenoid
Oil Filter
Optional Oil
Cooler
Manual
Service
Valve
Optical Oil
Evaporator
Oil/Refrigerant
Oil Return
Mixture
Gas Pump
Oil Recovery
RTHD Oil System
Oil Pressure
Transducer
Manual
Service
To Bearings
Valve
Injection to
Rotors
Vent to
Condenser
Oil Sump
Detector
Vent Line
Fill Solenoid
To Condenser
Pressure
Drain Solenoid
Valve
restrictor
Compressor
Discharge
Temperature
Sensor
Compressor
Oil Separators
Oil Heaters
Liquid/Vapor
Refrigerant Mixture
Valve
Primary Oil System
Refrigerant & Oil
Mixture-Oil Recovery
System
Other
Condenser
Pressure
Transducer
Condenser
EXV
RTHD-SVX04K-EN