GROHE 31346DC1 Service Manual download pdf (Page 8)

Connect plug-in connection between fitting and cooler/

carbonator, see Fig. [6].

Establish voltage supply via mains plug, see Fig. [7].

The display illuminates and the remaining filter capacity is

displayed in percent.

Connect CO

cylinder, see Figs. [8] to [13].

Do not operate the valve on the back of the cooler/

carbonator as otherwise CO

will escape, see Fig. [9].

- The valve is only needed when cleaning the cooler/

carbonator.

The fitting has a system-related run-on time of

approx. 1 second each time carbonated water is drawn.

The display in the handle illuminates blue.

If the Blue

handle is flashing red and E4 or E6 appears in

the display, the fitting and cooler/carbonator must be

synchronised as follows, see Fig. [14]:

• Press and hold the  and  buttons simultaneously until SE

flashes in the display.

• Press the  button until SE stops flashing.

• Release the  button, C- flashes in the display.

• Keep pressing the U or  button until H- flashes in the

display.

• Press the  button until H- stops flashing.

• Blue

handle synchronisation starts; HC appears in the

display and the Blue

handle lights up red.

• As soon as the Blue

handle lights up green, open the fitting

fully by turning the Blue

handle.

• As soon as the Blue

handle briefly flashes green, close the

fitting by turning the Blue

handle, HC flashes in the display.

• Confirm the setting by pressing the  button longer, HC

appears.

• Release the  button.

The remaining filter capacity is displayed.

Commissioning

Control, see fold-out page II, Fig. [14].

The buttons have the following functions:

 Filter replacement reset

U Filter size selection

 Carbonate hardness adjustment

Display, see Fig. [14].

In the inactive state, the remaining filter capacity is displayed

in percent.

Set the temperature of the cooled, carbonated water on

the cooler/carbonator, see Fig. [15].

Set the filter size, see Fig. [14] and [16].

U button for filter size selection:

• Press and hold U button once until the currently setted

value (e. g. F1) flashes in the display

• Press the U button and select the required value appears

- F1: 40 404 000

- F2: 40 430 000

- F3: 40 412 000

- F4: 40 404 001

- F5: 40 430 001

- F6: 40 412 001

- F7: 40 691 001 (Magnesium)

- F8: 40 547 001 (Activ carbon)

• Press and hold the U button until the required value stops

flashing

• Release the U button:

The remaining filter capacity is displayed.

Note: The various filter cartridges can be ordered at

www.grohe.com.

Set carbonate hardness at filter head, see Fig. [16].

The relevant water supplier can provide information on the

carbonate hardness.

Set carbonate hardness at bypass setting of filter head to local

conditions, see table column A on fold-out page III.

Display and setting of carbonate hardness on cooler/

carbonator, see table column B on fold-out page III and

Fig. [14].

 button for carbonate hardness adjustment:

• Press and hold the  button once until the currently setted

value (e. g. C3) flashes in the display

• Press the  button and select the required value:

- C4: carbonate hardness

≤ 9(bypass 3)

- Factory setting:

C3: carbonate hardness 10 - 24 (bypass 2)

- C2: carbonate hardness 25 - 29 (bypass1)

- C1: carbonate hardness

≥ 30 (bypass 0)

• Press and hold the  button until the setted value stops

flashing

• Release the  button.

The remaining filter capacity is displayed.

The liter capacity of the filter cartridge varies according to the

water hardness set and the size of the filter cartridge, see table

on fold-out page III.

The cooler/carbonator is set for operation with the 600 litre

filter cartridge (Prod no.: 40 404 001) at the factory.

For operation with other filter cartridges the cooler/carbonator

must be set out.

The fitting with cooler/carbonator is now fully installed and

ready for operation.

Maintenance

Resetting filter capacity after changing filter cartridge, see

fold-out page II, Fig. [14].

 button for filter replacement reset:

• Press and hold  button until rF flashes in the display.

• Release the  button and press again until rF stops

flashing.

• Release the  button.

The remaining filter capacity is reset and then displayed

again.

Restore factory settings, see Fig. [14].

Reset  U buttons to factory settings:

• Press and hold the  U buttons simultaneously until PA

starts flashing in the display.

• Release the  U buttons.

The remaining filter capacity is displayed.

Important:

Risk of damage!

Always disconnect the power supply and interrupt

the CO

supply before carrying out maintenance work

on the system. The plug-in connector can then be

disconnected, see fold-out page II, Figs. [6] and [7].

Inspect and clean all components and replace if necessary.

Assemble in reverse order.

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GROHE 31346DC1 Service Manual Page 8

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