Maintenance - Grohe Aquatower 2000 series Installationsanleitung

Adjustment
Temperature adjustment, see Figs. [15] and [16].
• Before the mixer is put into service, if the mixed water temperature
measured at the point of discharge varies from the specified
temperature set on the thermostat.
• After any maintenance operation on the thermostatic cartridge.
1.Open cold and hot water supplies.
2.Open the shut-off handle (H) to the hand shower position and measure
the temperature of the running water using a thermometer, see Fig. [15].
3.Turn the temperature control handle (J) until the water temperature
reaches 38 °C.
4.Lever out cap (J1), see Fig. [16].
5.Hold temperature control handle (J) in this position and remove
screw (J2).
6.Pull off temperature control handle (J) and reinstall in such a way that
the 38 °C mark on the wall plate (B2) coincides with the mark on the
handle.
7.Reinstall screw (J2) and refit cap (J1).
Prevention of frost damage
When the domestic water system is drained, thermostats must be drained
separately, since non-return valves are installed in the hot and cold water
connections. For this purpose, the shower system must be removed from
the wall.

Maintenance

For maintenance, see fold-out page V and VI, Figs. [18] to [25].
Inspect and clean all parts, replace if necessary and lubricate with special
valve grease (Prod. no. 18 012).
Shut off cold and hot water supply.
I. Hand shower
- See enclosed hand shower operating instructions
Product no.: 28 126
II. Side shower with non-return valve (K), see Fig. [18].
1.Remove escutcheon (B3).
2.Remove screw (K1) using a screwdriver.
3.Completely remove spray face plate (K2).
4.Detach housing (K3).
5.Remove washer (K4) by pressing in the ball (K5).
6.Remove ball (K5).
7.Pull out non-return valve (K) using pliers.
Assemble in reverse order.
When installing the washer (K4) the ball (K5) must be pressed slightly into
the housing.
We guarantee that the SpeedClean nozzles will function unchanged for a
period of 5 years.
Simply rub SpeedClean nozzles in order to remove limescale deposits
from spray jet of hand, head and side showers.
Please pass these instructions on to the user of the fitting.
The right to make technical modifications is reserved.
Shut off cold and hot water supply.
III. Thermostatic cartridge, see fold-out page VI, Fig. [19].
1.Lever out cap (J1).
2.Remove screw (J2).
3.Detach temperature control handle (J).
4.Remove clip (L1).
5.Pull off stop ring (L).
6.Detach regulating nut (M1) with overload unit (M2).
7.Unscrew and remove thermostatic cartridge (M) using a 22mm open-
ended spanner.
Assemble in reverse order. Observe the correct installation position.
Readjustment is necessary after every maintenance operation on the
thermostatic cartridge (see Adjustment).
IV. Aquadimmer, see fold-out page VI, Fig. [20].
1.Lever out cap (H2).
2.Remove screw (H3) and detach shut-off handle (H).
3.Remove splined adapter (O1) and stop (O2).
4.With a 19mm open-ended spanner, unscrew and remove
aquadimmer (O).
Assemble in reverse order.
Observe the correct installation position
1.The various pins (O7) and (O8) must project into the relevant apertures
in the race, see Fig. [21].
2.Attach stop (O2) with mark (O3) pointing downwards, mark (O3)
and (O4) coincide, see Fig. [22].
3.Attach splined adapter (O1), the faces (O5) coincide in only one
position.
4.Turn splined adapter (O1) so that the lug (O6) points to the right.
V. Non-return valve (P), see Fig. [23] and [24].
1.Lever out cap (F2), see Fig. [23].
2.Slide off shower rail slider (F) from shower rail (F1).
3.Screw out shower rail (F1).
4.Screw out screw (B5), see Fig. [24].
5.Lever out caps (H2) and (J1).
6.Remove screws (H3) and (J2) and detach shut-off handle (H) and
temperature control handle (J).
7.Remove escutcheons (B3) and retaining rings (B) using installation
tool (B1).
8.Detach wall plate (B2).
9.Remove non-return valve (P) using a 17mm socket spanner.
VI. Non-return valve (R), see Fig. [25].
1.Unscrew shower hose (E).
2.With a 12mm allen key, remove outlet nipple (R2).
3.Remove non-return valve (R).
Assemble in reverse order.
Replacement parts, see fold-out page VIII (* = special accessories).
Care
For information on the care of this fitting, please refer to the accompanying
Care Instructions.
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