Operating instructions
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0175-168 - ENG
Rev. 2005.09
Operating Manual - SAB 202
Table 1
Position during operation
Pos. no.
Qty
Designation
Position during operation
20
1
Stop valve suction line
Open
21
1
Non-return valve suction line
Is opened by the
suction gas flow
24
1
Air purge valve/ oil charging
Closed
34
1
Drain valve (oil side)
Closed
35
1
Drain valve (refrigerant side)
Closed
47
1
Service valve for oil drainage
Closed
52
2
Oil return valve/Throttle valve
Opens automatically
(See
Oil return system
for fine filter element
)
60
1
Stop valve
Usually open
Is also used for oil charging
(See section 11,
Maintenance
)
64
1
Stop valve for air purging of pump
Usually closed
(See section 11,
Maintenance
)
65
1
Stop valve
Usually open
See pos. 60
203
2
Non-return valve in discharge pipe
Is opened by the
suction gas flow
204
2
Stop valve after oil separator
Open
210
1
Non-return valve
Is opened by the oil flow
220
1
Compressor protection valve
Closed
221
1
Pilot valve for pos. 220
Closed
