Maintenance - Grohe Chiara series Montageanleitung

Adjusting the economy stop
For flow rate adjustment, see fold-out page III figs. [4]
and [5].
• The flow rate is limited by a stop, adjusted by the factory.
If a higher rate is desired, the stop can be overridden by
pressing the button (H), see fig. [4].
If the stop is required to be adjusted, proceed as follows:
1. Close shut-off valve.
2. Lever out cap (J).
3. Unscrew screw (K) and remove shut-off knob (L).
4. Remove splined adapter (M) and economy stop (N).
5. Fit economy stop (N) in the desired position, see fig. [5] for
possible adjustment range.
6. Fit splined adapter (M), see fig. [4].
7. Install shut-off knob (L) in such a way that the button (H)
facing the front.
8. Reinstall screw (K).
9. Fit cap (J) back on.
Prevention of frost damage
When the domestic water system is drained, thermostat
mixers must be drained separately, since non-return valves
are installed in the hot and cold water connections. For this
purpose, the mixer must be removed from the wall.

Maintenance

Inspect and clean all parts, replace if necessary and grease
with special valve grease.
Shut off cold and hot water supplies.
I. Non-return valve, see fold-out page I and II.
1. Disassemble mixer in reverse order, see fold-out page I,
fig. [1].
2. Remove dirt strainer (O), see fold-out page II.
3. With a 12mm hexagon socket spanner, remove union
nipple (P) by turning clockwise (left-hand thread).
4. Remove non-return valve (R).
Reassemble in reverse order.
II. Thermostatic cartridge, see fold-out page III, fig. [6].
1. Lever out cap (B).
2. Unscrew screw (C).
3. Pull off temperature control handle (D).
4. Remove clip (T).
5. Pull off stop ring (U).
6. Remove adjusting nut (E) with overload unit (E1).
7. With a 22mm open-ended spanner, unscrew and remove
thermoelement (A).
Reassemble in reverse order.
The overload unit (E1) (left-hand thread) must be screwed as
far as possible in the adjusting nut (E).
Observe the correct installation position of the stop
ring (U), see detail (U1).
Readjustment is necessary after every maintenance operation
on the thermostatic cartridge (see Adjustment).
III. Ceramic headpart, see fig. [4].
1. Lever out cap (J).
2. Unscrew screw (K).
3. Remove shut-off knob (L).
4. Remove splined adapter (M) and economy stop (N).
5. Unscrew and remove ceramic headpart (V) with a 17mm
open-ended spanner.
Reassemble in reverse order.
Replacement parts, see fold-out page II ( * = special
accessories).
Care
For directions on the care of this thermostat mixer, please refer
to the accompanying Care Instructions.
4