Electrical Connection - Grundfos CRE Safety Instructions And Other Important Information

Pour le Canada
Numéros d'identification:
Grundfos Holding A/S
Modèle: RADIOMODULE 2G4
Contient IC: 10447A-RA2G4M01
Contient IC: 10447A-RA2G4MSR.
B.4. Electrical connection
Installation altitude
For 480/277V grid systems : The maximum altitude is between 0 and 3500 m above sea level.
For 480V (corner earthed) grid systems: The maximum altitude is between 0 and 2000 m above sea level.
Conductors
See the sections on electrical installation and cable requirements.
Conductor temperature ratings
Model K: Use 75 °C copper conductors only. The wire sizes for the supply mains must be sized for a wire size
which is suitable for at least 125% of the rated input current of the motor drive units.
Conduit hubs
In case of connection to conduit, suitable conduit hubs need to be installed in the field. Such conduit hubs must
be UL Listed according to UL Category Code Number (CCN) DWTT/DWTT7 and suitable for the relevant
enclosure type rating in accordance with UL 514B and CSA C22.2 No. 18.3.
For type 2 enclosures, it is allowed to use conduit hubs rated Type 2, 3, 3R, 3S, 4, 4X, 5, 6, 6P, 12 or Type 13.
For type 12 enclosures, it is only allowed to use conduit hubs rated Type 12 or Type 13.
After installation, all unused M20 openings must remain closed by means of the delivered blind plugs in order to
maintain the defined enclosure rating.
The relevant enclosure type rating can be found on the nameplate of the product.
Recommended ring terminals
Ensure that the used ring terminals are UL certified.
The 480 V supply terminals are suitable for field wiring when used with stranded wires and specific listed crimp
terminals manufactured by Tyco Electronics (E13288).
Cable cross-section
2
[AWG]
[mm ]
16
10
6
Torques
See the section on torques.
Line reactors
The maximum line reactor size in front of the drive must not exceed the following values:
22
Part number/Designation number
6
8
10
130552
160013
130191
Manufacturer
Tyco Electronics
Tyco Electronics
Tyco Electronics