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1 _ GrassoscreN compressor GSL
2_ ele ctric drivi motor
3. flexiblecoupll ng
4. coupJing guard
5. e lectric slid� valve actuator
(EVA)
6_ Bc1se frame
7. primary oil �parator
8
.
spring-loadtld pressu/e safety valve
9, oil level slgrl glass
10. oil hearing �·ement
11. oïl pressure regulaIor
12. cha rging, driin and isolatin g Valves
t 3. oil system i S>lallng valves
t 4. solenold val10 (partol item 31)
15. oil strainer
16b, lull-flow oil pimp
17, oil pump safity relief valve
18b. water coole� oil cooler
19b, water flow regulaling valve
20
main flow oilliller
20<1, pressure drcp sensing switch
2Jb_ oil dischargE manifold
22. oil check valie
23. oil orifice
24. blow down füe
25
.
suction gas wainer
26. suction check valve
27. suction stopvalve
28. dlscharge cl"eck valve
29. discharge stip valve
30a. economizer iressure gauge
30b. dlscharge pressure gauge
30c. suction pres;ure gauge
30d. all pressure iauge
30e.
max.
dlscha.ge pressure salety switch
301. min. sucIion pressure safety switch
30g. min. oil/discnarge dilfereotial pressure
safety swïtcn (fot sIarting onlyl
30h. min. oil/dischargedillerential ptessure
safety swilct-
30i. max. suctio r pressure safety swllch
30j. max. discha·ge ternperatue salety switch wilh
built-in dischvge temperature digital raad-out
30k. rnax. oil tem ler<1ture safety switch wlth
built-in oil te11peraturedigital read-out
301. suction tem�erature digital 1ead-out
30m. injeclion gastemperature digital read-out
30n. capacity cortrol digital read•ou\ (part-load
in per�nrag:i of lutl-load capacity)
31. solenoid vaha conlrolled, servo oparated
by-pass val1.e
(not always nesenl)
50. economizer 11anilold
t 00. second&ry oil separator with automatic
lloa t valve fcr oil return
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x-indica.lions ol oil lines correspond wHh
compressor connectlons on page 2.9
FIG. 3.5 DETAILED REFRIGERANT AND OIL FLOW DIAGRAM FOR PACKAGE Wint
FULL-FLOW OIL PUMP AND WATER COOLED OIL COOLER
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