Grundfos CR Serie Instrucciones De Instalación Y Funcionamiento página 9

Force limits
Flange,
Type
DN [mm]
25/32 1s-5
40 10
50 15 and 20
65 32
80 45
100 64 and 90
125/150 120 and 150
Torque limits
Flange,
Type
DN [mm]
25/32 1s-5
40 10
50 15 and 20
65 32
80 45
100 64 and 90
125/150 120 and 150
3.1.8 Positioning the terminal box
You can turn the terminal box to four positions, in
90 ° steps. Follow this procedure:
1. If necessary, remove the coupling guards. Do not
remove the coupling.
2. Remove the bolts securing the motor to the
pump.
3. Turn the motor to the required position.
4. Replace and tighten the bolts.
5. Replace the coupling guards.
Carry out the electrical connection as shown in the
diagram inside the terminal box cover.
CR -
Cast iron pump housing
Force, Y- Force, Z-
direction direction
[N] [N]
338 394
413 469
563 581
694 788
938 769
1256 1013
1256 1013
CR -
Cast iron pump housing
Torque, Y- Torque, Z-
direction direction
[Nm] [Nm]
300 175
400 275
450 325
500 350
325 400
375 475
375 475
Stainless steel pump housing
Force, X- Force, Y-
direction direction
[N] [N]
319 675
375 825
506 1125
638 1388
844 1875
1125 2513
1125 2513
Stainless steel pump housing
Torque, X- Torque, Y-
direction direction
[Nm] [Nm]
125 600
200 800
250 900
300 1000
550 650
625 750
625 750
CRI, CRN -
Force, Z- Force, X-
direction direction
[N] [N]
788 638
938 750
1163 1013
1575 1275
1538 1688
2025 2250
2025 2250
CRI, CRN -
Torque, Z- Torque, X-
direction direction
[Nm] [Nm]
350 250
550 400
650 500
700 600
800 1100
950 1250
950 1250
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