Grundfos MP1 - Shortening of motor cable; Cable end to motor; Checking of direction of rotation

4
English (GB)
3. Shortening of motor cable
Motor cables with a common plastic sheath
cannot be repaired or shortened. See fig. 3.
Motor cables with a plastic sheath for each
lead (new type of cable) can be repaired or
shortened. See fig. 4.
Cut the cable (new type), separate and strip
the leads. See fig. 5.
Cable to motor:
L = 72 mm, L
1 = 4 mm.
Cable to frequency converter:
L = 45 mm, L
1 = 6 mm.
Deburr the individual leads. See fig. 6.
Fig. 3
Fig. 4
Fig. 5
Fig. 6
3.1 Cable end to motor:
Fit plug pins on the black, blue and brown
leads. See fig. 7.
Press home the plug pin and fix it firmly by
means of the crimping tool, part no. SV 03 74.
See fig. 8.
Fit the cable in the motor. See 2. Replacement
of motor cable.
Fig. 7
Fig. 8
3.2 Checking of direction of rotation
Observe the movement of the pump shaft
when the electricity supply is switched on for a
short period. The correct direction of rotation
is indicated by an arrow on the side of the
motor.
Fig. 9
Fit the fittings and the hose to the pump. The
pump is now reassembled and can be tested.
TM02 7119 2703TM02 7120 2703TM02 7121 0208TM02 7122 2703
L1
L
TM02 7123 2703TM02 7124 2703TM00 1403 2703