Grundfos CUE, Installation And Operating Instructions Manual

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6.5.12 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
Related information
6.5.11 Mains connection, enclosures C1 and C2
6.5.13 Mains connection, enclosures C3 and C4
Enclosure
Torque Nm [ft-lb]
Mains Motor
Protective
earth
Relay
C3 10 10 3 (2.2) 0.6 (0.4)
C4
14 1 /24 2
(10.3
1
/17.7
2
)
14 1 /24 2
(10.3
1
/17.7
2
)
3 (2.2) 0.6 (0.4)
1
Conductor cross-section ≤ 95 mm
2
(≤ 4/0 AWG)
2
Conductor cross-section ≥ 95 mm
2
(≥ 4/0 AWG).
1. Connect the earth conductor to terminal 95 (PE). See the
section for mains and motor connections for enclosures C3 and
C4.
2. Connect the mains conductors to terminals 91 (L1), 92
(L2) and 93 (L3).
3. Fix the mains cable with a cable clamp.
Related information
6.5.14 Motor connection, enclosures C3 and C4
6.5.14 Motor connection, enclosures C3 and C4
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.
TM039448
Mains and motor connection, C3
TM039447
Mains and motor connection, C4
Related information
6.5.13 Mains connection, enclosures C3 and C4
6.5.15 Gland plate, enclosures D1h, D2h, D5h and D7h
Cables are connected through the gland plate from the bottom. The
gland plate must be fitted to CUE to ensure the specified protection
degree as well as to ensure sufficient cooling.
Drill holes in the marked areas. See the figures below.
14
English (GB)