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4.5 Connections and dimensional drawing
19
2b (
LP
)
2 (
LP
G 1/4
1/8-27 NPTF
465
55
170
450
821
1a (
HP
)
3 (
HP
)
1/8-27 NPTF
1/8-27 NPTF
Fig. 2: Dimensional drawing OS.A9593 .. OS.A95103
Connection positions
1
High pressure connection (HP)
Connection for high pressure switch (HP)
1a
Additional high pressure connection (HP)
(not suitable for pressure measurement!)
1b
Connection for high pressure transmitter
(HP)
2
Low pressure connection (LP)
Connection for low pressure switch
2a
Additional low pressure connection (LP)
2b
Connection for low pressure transmitter
(LP)
3
Connection for discharge gas temperature
sensor (HP)
4
Connection for economiser (ECO)
26
)
2a (
LP
)
5
1/8-27 NPTF
Ø21
7c
7b
Ø12
1/8-27 NPTF
198
17
20
SL
4
24
1b (
HP
G 1/4
G 1/4
161
458
536
1055
7a
18
M22x1,5
M22x1,5
332
117
CR (–)
Connection positions
HS.85: ECO valve with connection line
(option)
OS.85, OS.95, HS.95: ECO valve (option)
5
Connection/valve for oil injection
6
Oil pressure connection
HS.85 and OS.85: Oil drain (compressor
housing)
7
Oil drain (motor housing)
7a
Oil drain (suction gas filter)
7b
Oil drain from shaft seal (maintenance con-
nection)
7c
Oil drain hose (shaft seal)
8
Threaded bore for foot fastening
)
1 (
HP
)
21
1/8-27 NPTF
356
DL
CR (+)
Vi (+)
Vi (–)
M16
22
G 1/4
17
M22x1,5
SB-520-2
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