Installation And Electrical Connection - Wilo Protect-Modul C Einbau- Und Betriebsanleitung

7 Installation and electrical connection

Installation and electrical connection must be carried out in accordance with
local regulations and only by qualified personnel.
WARNING! Danger of personal injury
The applicable regulations on the prevention of accidents must be observed.
WARNING! Danger of electric shock
Potential dangers from electrical currents must be eliminated.
Local directives or general regulations [e.g. IEC, VDE etc.] and those issued by
the local power supply company must be adhered to.
7.1 Installation and electrical connection of mains cable
1. Switch off power supply to pump,
CAUTION! Danger of damage to Protect-Module C
The module may only be plugged in and unplugged when the pump has been
completely disconnected.
2. Loosen the terminal box lid screws on the pump,
3. Remove terminal box lid,
4. Pinch off power supply cable except the protective lead PE:
EM version (1~230V): L, N
DM version (3~400V) L1, L2, L3 (figure 2a)
5. Remove plug strip with power supply terminals and connection terminals
MP1/MP2 (figure 2b, position 5) with connection cables (figure 2b,
position. 2.3) from the Protect-Module C. When removing, do not pull
straight out, but begin at one corner of the plug strip,
6. Apply the plug strip cables to the corresponding terminals on the pump ter-
minal box (figure 2c, figure 3),
7. Fit power supply cable to the plug strip, Table 3 shows the allocation of
module types to the terminal diagrams.
Protect-Module C
Type 22 EM
Type 32-52 EM
Type 22 DM
Type 32-52 DM
Table 3
8. Remove the plug strip with control and signal terminals (figure 2b,
position 4) from the Protect-Module C. When removing, do not pull straight
out, but begin at one corner of the plug strip,
8.1 Dismantle cable connection (PG 9) of the Protect-Module C,
8.2 Cut diaphragm seal,
Installation and operating instructions Wilo-Protect-Modul C
Terminal diagram
3a
3b
3c
3d
English
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