Trane CVHE Installation, Operation And Maintenance Manual page 69

O O p p e e r r a a t t i i n n g g P P r r i i n n c c i i p p l l e e s s
Figure 48. Oil refrigerant pump
1. Motor coolant return to condenser, 2.125 in. (53.975 mm) OD
2. Oil tank vent to evaporator
3. Oil separator and tank vent manifold
4. Tank vent line
5. Condenser
6. High pressure condenser gas to drive oil reclaim eductors, 0.375 in. (9.525 mm) OD
7. Oil return to tank
8. Oil tank
9. Oil cooler within economizer 0.625 in. (15.875 mm) OD coiled tubing
10. Oil reclaim from evaporator (second eductor), 0.25 in. (6.35 mm) OD
11. Liquid refrigerant to pump, 1.625 in. (41.275 mm) OD
12. Economizer
13. Oil supply to bearings, 0.625 in. (15.875 mm) OD
14. Purge
15. Compressor
16. Liquid refrigerant motor coolant supply, 1.125 in. (28.575 mm) OD
17. Liquid refrigerant to economizer
18. Liquid refrigerant to evaporator
19. Evaporator
CVHE-SVX02M-EN 69