GEA Bock HGZ7 - Manual (Page 38)

38
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