Trane CVHH Installation, Operation And Maintenance Manual page 69

Figure 38. Oil refrigerant pump
1
1 2
5
1 5
6
8
2 0
2 1
7
2 2
1. M otor coolant return to condenser,
53.975 m m (2.125 in.) OD
2. Oil tank vent line, 53.975 m m (2.125 in.) OD
3. Vent line actuated ball valve
4. Condenser
5. High pressure condenser gas to drive oil reclaim
eductors, 9.525 m m (0.375 in.) OD
6. Oil return to tank
7. Oil tank
8. Oil cooler braze plate heat exchanger
9. Oil reclaim from evaporator (2
6.35 m m (0.25 in.) OD
10. Liquid refrigerant to pum p, 41.275 m m (1.625 in.) OD
11. Econom izer
CVHH-SVX001A-EN
1 4
1 6
1 0
2
3
nd
eductor),
1 9
1 1
1 7
9
12. Oil supply to bearings, 22.225 m m (0.875 in.) OD
13. Purge
14. Com pressor
15. Liquid refrigerant m otor coolant supply,
28.575 m m (1.125 in.) OD
16. Liquid refrigerant to econom izer
17. Liquid refrigerant to evaporator
18. Evaporator
19. Oil reclaim from suction cover (1
6.35 m m (0.25 in.) OD
20. M otor coolant filter
21. Oil tank junction box enclosure
22. Oil pum p m otor term inal box
Operating Principles
Com pressor lubricat ion syst em
Mot or cooling syst em
Oil reclaim syst em
1 3
4
1 8
st
eductor),
69