Grundfos NBE - Page 12

3. Fix the screened cable with a cable clamp.
TM039020
Motor connection, B1 and B2
6.4.7 Mains connection, enclosures C1 and C2
Enclosure
Torque Nm [ft-lb]
Mains Motor
Protective
earth
Relay
C1 10 (7.4) 10 (7.4) 3 (2.2) 0.6 (0.4)
C2
14
2)
/24
3)
(10.3
2)
/
17.7
3)
)
14
2)
/24
3)
(10.3
2)
/
17.7
3)
)
3 (2.2) 0.6 (0.4)
2)
Conductor cross-section ≤ 95 mm
2
(≤ 4/0 AWG)
3)
Conductor cross-section ≥ 95 mm
2
(≥ 4/0 AWG).
1. Connect the earth conductor to terminal 95 (PE). See
figure Mains and motor connection, C1 and C2.
2. Connect the mains conductors to terminals 91 (L1), 92
(L2) and 93 (L3).
6.4.8
Motor connection, enclosures C1 and C2
1. Connect the earth conductor to terminal 99 (PE). See the figure
below.
2. Connect the motor conductors to terminals 96 (U), 97
(V) and 98 (W).
3. Fix the screened cable with a cable clamp.
TM039016
Mains and motor connection, C1 and C2
12
English (US)