Grundfos CU 321 Installation And Operating Instructions página 10

2.1.1 Mounting the NEMA 1 terminal cover kit
Mount the terminal cover for cable lead as shown
in fig. 7.
Fig. 7 Mounting the metal part
Mount cables to mains supply, motor, pressure
sensor and relay via conduits.
Mount the terminal cover as shown in fig. 8.
Fig. 8 Mounting the terminal cover
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2.1.2 Access to control terminals
(pressure sensor or relay)
All control terminals are located underneath the pro-
tective plate on the front of the CU 321. Remove the
terminal cover to make it possible to remove the
protective plate. Remove the protective plate by slid-
ing it downwards, see fig. 9.
Fig. 9 Accessing the control terminals
2.1.3 Mounting the top cover
Mount the top cover as shown in fig. 10.
Fig. 10 Mounting the top cover