Grundfos Digital timer kit, Installation And Operating Instructions Manual

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4. 

Removing the old terminal box 

cover and line cord

Loosening the old terminal box cover

1.

Make sure the pump is disconnected from 
the electrical supply.

2.

Use a Phillips screwdriver to remove the two 
screws at the corners of the outside of the 
pump’s old terminal box lid. See fig. 1.

3.

Gently lift up the old timer and terminal box 
lid.

Fig. 1

Removing the two screws to loosen 
the old terminal box cover

Disconnecting the wires

Before you can remove the old terminal box 
cover and the old line cord, you must disconnect 
some of the wires. Inside the terminal box:

1.

Locate the black, white, and green wires

at 

the end of the old line cord.

2.

Use wire cutters to cut the black wire and

the 

white wire. See fig. 2.

3.

Press down the tab marked with the symbol 

, or ground, while freeing the end of the 

green wire from the slot.

4.

Press down the tabs marked "N" and "L" to 
free the ends of the yellow wires from the 
slots.

5.

Now you can discard the old terminal box 
cover.

Fig. 2

Cutting the black wire and the white 
wire

Fig. 3

Freeing the

wires marked 

(Ground), "N", and "L"

Removing the old line cord

Before you can replace the line cord, you must 
remove the old line cord.

1.

On the outside of the terminal box cover, 
twist the end of the line cord closest to the 
pump a half turn until you can separate the 
cord from the terminal box. Pull the old cord 
including the white, green and black wires 
out of the terminal box. See fig. 4.

2.

Now you can discard the old line cord.

Fig. 4

Removing the old line cord

WARNING

Electric shock

Death or serious personal injury

-

Switch off the power supply before 
starting any work on the product. 
Make sure that the power supply 
cannot be accidentally switched on.

WARNING

Electric shock

Death or serious personal injury

-

For indoor use only.

-

This pump has not been 
investigated for use in swimming 
pool or marine areas.

WARNING

Electric shock

Death or serious personal injury

-

Do not switch on the power supply 
until the product has been properly 
installed.

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UP_DigitalTimerKit_w_LineCordLid.book  Page 5  Wednesday, October 31, 2018  5:49 PM