Trane CVHH CenTraVac Installation, Operation And Maintenance Manual page 79

Figure 50. Oil refrigerant pump
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1. Motor coolant return to condenser, 2.125 in. (53.975 mm) OD
2. Oil tank vent line, 2.125 in. (53.975 mm) OD
3. Vent line actuated ball valve
4. Condenser
5. High pressure condenser gas to drive oil reclaim eductors, 0.375 in. (9.525 mm) OD
6. Oil return to tank
7. Oil tank
8. Oil cooler braze plate heat exchanger
9. Oil reclaim from evaporator (second eductor), 0.25 in. (6.35 mm) OD
10. Liquid refrigerant to pump, 1.625 in. (41.275 mm) OD
11. Economizer
12. Oil supply to bearings, 0.875 in. (22.225 mm) OD
13. Purge
14. Compressor
15. Liquid refrigerant motor coolant supply, 1.125 in. (28.575 mm) OD
16. Liquid refrigerant to economizer
17. Liquid refrigerant to evaporator
18. Evaporator
19. Oil reclaim from suction cover (first eductor), 0.25 in. (6.35 mm) OD
20. Motor coolant filter
21. Oil tank junction box enclosure
22. Oil pump motor terminal box
CVHH-SVX001G-EN
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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
Compressor lubrication system
Motor cooling system
Oil reclaim system
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79