10 | dimensions and connections – GEA Bock HGZ7 User Manual
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D
GB
F
E
09726-11.2014-DGbF
10| Dimensions and connections
SV
DV
Suction line
Discharge line see technical data, Chapter 9
FUE
Liquid subcooler IN
Ø 16 mm -
5
/
8
"
FUA
Liquid subcooler OUT
Ø 16 mm -
5
/
8
"
A
Connection suction side, not lockable
1/8“ NPTF
A1
Connection suction side, lockable
7/16“ UNF
A2
Connection intermediate pressure, not lockable
1/8“ NPTF
A3
Connection intermediate pressure, not lockable
1/4“
NPTF
B
Connection discharge side, not lockable
1/8“ NPTF
B1
Connection discharge side, lockable
7/16“ UNF
C
Connectoin oil pressure safety switch OIL
7/16“ UNF
D
Connection oil pressure safety switch LP
7/16“ UNF
D1
Connection oil return from oil separator
1/4“ NPTF
E
Connection oil pressure gauge
7/16“ UNF
F
Oil drain
M22 x 1,5
FS
Sight glass liquid line
Ø 12 mm
H
Oil charge plug
M22 x 1,5
J
Oil sump heater (accessories)
M22 x 1,5
K
Sight glass
3 hole M6
L
Connection thermal protection thermostat
1/8“ NPTF
L1
Thermal protection thermostat
1/8“ NPTF
N
Filter drier
Ø 12 mm
O
Connection oil level regulator
see view X
ÖV
Connection oil service valve
1/4“ NPTF
ÖV1
Oil service valve
7/16“ UNF
P
Connection oil differential pressure sensor
M20 x 1,5
Q
Connection oil temperature sensor
1/8“ NPTF
R
Connection of pressure compensation line for expansion valve
7/16“ UNF
R1
Pressure compensation line for expansion valve
Ø 6 mm
T
Solenoid valve
Ø 12 mm
U
Expansion valve - refrigerant-dependent
Ø 12 mm
V
Oil pressure switch MP 54
-
W
Connection refrigerant injection
M22 x 1,5
X
Connection for Schrader valve for intermediate pressure manometer
7/16“ UNF