BOCK UL-HGX66e/1340 ML 31 Assembly Instructions Manual page 30

10| Dimensions and connections
SV
Suction line
DV Discharge line
A
Connection suction side, not lockable
A1 Connection suction side, lockable
B Connection discharge side, not lockable
B1 Connection discharge side, lockable
C
Connection oil pressure safety switch OIL
D Connection oil pressure safety switch LP
D1 Connection oil return from oil separator
F Oil drain
H
Oil charge plug
J
Connection oil sump heater
K Sight glass
US
L Connection thermal protection thermostat
M Oil filter
O
Connection oil level regulator
P Connection oil pressure differential sensor
ÖV Connection oil service valve
Q Connection oil temperature sensor
W
Connection for refrigerant injection
30
see technical data, chapter 9
1 /
" NPTF
8
7 / 16
" UNF
1 / 8
" NPTF
7 / 16
" UNF
1 / 8
" NPTF
7 /
" UNF
16
1 / 4
" NPTF
M12x1.5
1 / 4
" NPTF
3 / 8
" NPTF
3 x M6
1 / 8
" NPTF
M12x1.5
3 x M6
M20x1.5
1 /
" NPTF
4
1 / 8
" NPTF
1 / 8
2x " NPTF