Operating The Fitting; Maintenance; Service - Grohe Red Duo 30 058 Technical Manual

Operating the fitting

Note:
In order to prevent incorrect operation and for protection
against injury, we recommend affixing the sticker provided.
Open lever (R) to draw water, see fold-out page III, Fig. [15].
Pull button (O1) on handle (O) outward and turn and hold
handle (O) anti-clockwise to draw boiling water. Handle (O)
closes automatically.
Press and hold button (Q) for at least 2 seconds to switch the
storage heater on or off, see Fig. [16].

Maintenance

In the case of interventions in the mains supply
or maintenance work, the GROHE Red boiling
system must be bled as steam jets could
otherwise occur.
Close the service valve, switch off the storage heater and
disconnect the mains plug.
Wait until the storage heater and fitting have cooled down.
Open the lever to depressurise the storage heater.
Inspect and clean all parts, replace as necessary and lubricate
with special grease.
I. Filter
See technical product information of filter cartridge for
information on replacing the filter cartridge.
Resetting the filter capacity at the display unit (F), see fold-
out page IV, Fig. [18].
After a new filter cartridge is inserted, the filter capacity must
be reset as follows:
Button
Display flashing
(negative litre specification, e.g. -1 or
remaining capacity e.g. 150 flashing)
Press RESET button for 3 seconds
(rESEt appears)
The data for time and litre capacity is
reset
Note: The litre specification programmed for the filter cartridge
is retained.
Battery (F1), see fold-out page IV, Fig. [19] and [20].
The battery must be replaced 7 years after commissioning the
fitting, at the latest.
Button
BATT display flashes
(battery is discharged and needs to be
replaced)
1. Loosen screw (F2) and remove cover (F3), see Fig. [19].
2. Remove battery (F1) and replace, see Fig. [20].
Important: Note correct polarity.
Note: No settings saved by the user will be lost when
changing the batteries or if the battery discharges.
Assemble in reverse order.
3
II. Cartridge (S), see fold-out page IV, Fig. [21].
1. Lever out plug (T) and remove set screw (U).
2. Remove lever (R) and cap (V).
3. Remove screw coupling (W) and take out cartridge (S).
Assemble in reverse order.
When installing the cartridge (S), ensure that the seals are
correctly seated. Screw in screw coupling (W) and tighten.
III. Flow straightener
Remove and clean flow straightener (13 263), see fold-out
page I.
Assemble in reverse order.

Service

Note the Fault/Cause/Remedy table for information on
eliminating problems.
If the problem cannot be rectified, disconnect the mains plug to
shut off the voltage supply. Note down the serial number of the
storage heater on the rear of the device and get in touch with
GROHE Customer Service or contact the GROHE Service
Hotline under TechnicalSupport-HQ@grohe.com.
The GROHE Red boiling water storage heater cannot be
repaired. If servicing is required, the complete storage heater
must be replaced.
In order to ensure correct operation, maintenance must be
performed on all hot-water-bearing parts by GROHE Customer
Service every five years.
Following any service/maintenance work, the boiling water
storage heater must be re-filled, see section Installation.
Display
The date of maintenance must be noted on the
maintenance sticker on the storage heater.
Replacement parts
See fold-out page I (* = special accessories).
Care
For directions on the care of this fitting, please refer to the
accompanying Care Instructions.
Display
Disposal
This category of devices does not belong in the
domestic waste, but must be disposed of
separately in accordance with the relevant local
national regulations.