GB
30
English
Use and maintenance instructions
5.3.2 THREE-PHASE ELECTRIC PUMPS
assure a reliable lasting running.
-
5.3.3 ELECTRIC CABLE
impermeableness lasting in time.
5.3.4 CHECKING THE ROTATION DIRECTION
(THREE-PHASE ELECTRIC PUMP)
5.3.5 ELECTRIC PUMP PROTECTIONS
L1
L2
L3
FU1
K1 K3 K2
1
35
64
2
U1 V1 W1 W1 U1 V1
1
35
64
2
13 5
64
2
U1
V1
W1
W2
U2
V2
Fig. 11
for star-delta starting
Reaction
Fig. 13
Electric supply
50-60 Hz
24V AC
Oil
probe
Thermal
probe
Pump control switch
Wire numeration
Oil and thermal probe
control relay
Fig. 10
Star connection
Yellow/green
Brown
Black
Blue
Yellow/green
Brown
Brown
Black
Black
Blue
Blue
Delta connection
Fig. 12