Mechanical Installation; Electrical Connection - Grundfos Multilift MOG Installation And Operating Instructions Manual

8.2 Mechanical installation

Warning
When drilling the holes, take care not to damage any
cables or water and gas pipes. Ensure a safe
installation.
LC 221 can be mounted without removing the front
Note
cover.
Proceed as follows:
• Mount LC 221 on a plane wall surface.
• Mount LC 221 with the cable entries pointing downwards
(additional cable entries, if required, must be fitted in the
bottom plate of the cabinet).
• Mount LC 221 with four screws through the mounting holes in
the back plate of the cabinet. Drill the mounting holes with a 6
mm drill using the drilling template supplied with the controller.
Fit the screws into the mounting holes and tighten securely. Fit
the plastic caps.
Fig. 26 Mounting of controller to the wall

8.3 Electrical connection

Warning
The protective earth (PE) of the power outlet must be
connected to the protective earth of the product. The
plug must have the same PE connection system as
the power outlet.
Warning
The installation must be fitted with a residual current
device (RCD) with a tripping current less than 30 mA.
Warning
The product must be connected to an external main
switch with a minimum contact gap of 3 mm (0.12
inch) in all poles.
Warning
LC 221 must be connected in accordance with the
rules and standards in force for the application in
question.
Warning
Before opening the cabinet, switch off the power
supply.
The operating voltage and frequency are marked on the controller
nameplate. Make sure that the controller is suitable for the power
supply on which it will be used.
All cables/wires must be fitted through the cable entries and
gaskets.
The power outlet must be placed near the cabinet as the
controller is supplied with a 1.5 m cable
Maximum backup fuse is stated on the controller nameplate.
21