Installation; Maintenance - Grohe Chiara 19 159 Manual

GB

Installation

For efficient function be careful about the kombination
of fitting and concealed mixer housing, see fold-out
page II. If necessary change thermoelement.
- Plaster and tile the wall, excluding the area occupied by the
mounting template. Seal any apertures in the wall so that
they are watertight to spray water.
• Tiles laid in mortar should be pointed so that the joint is
tapered towards the outside.
• Seal prefabricated walls with a permanently plastic
compound.
Shut off cold and hot water supplies.
- Remove the mounting template, see fold-out page I fig. [1].
- Fit sleeve (A), see fig. [2].
- Install holder (B) and fit sleeve (C), see fig. [3].
- Grease the seals (D) for the escutcheon mounting
bracket (E) with the special grease supplied and install
escutcheon mounting bracket (E) with lever mounting
assembly (F), see fig. [4].
- Fit the escutcheon (G).
Open cold and hot water supplies.
If the thermostat has been installed at too great a depth,
this can be adjusted by 27.5mm with an extension set (see
fold-out page II, ref. No. 47 653).
Installation of the flow control knob and adjustment of the
economy stop, see fold-out page III figs. [5] to [7].
• The flow rate is limited by the economy stop (H) supplied,
see fig. [5].
To install the flow control knob, proceed as follows:
1. Close the ceramic headpart (J) by turning clockwise.
2. Install the economy stop (H) in the desired position.
For possible settings, see fig. [6].
3. Fit splined adapter (L), see fig. [7].
4. Install flow control knob (M) so that the button (N) is at top.
5. Reinstall screw (O).
6. Fit cap (P).
If a higher rate is desired, the stop can be overridden by
depressing the button (N).
Adjustment
Installation of the thermostat knob and temperature
adjustment, see figs. [8] and [9].
• 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 thermoelement.
1. Open the shutt-off valve and check the temperature of the
water with a thermometer, see fig. [8].
2. Turn the adjusting nut (Q) clockwise or anticlockwise until
the water temperature reaches 38 °C.
3. Install temperature control handle (R) in such a way that
the 38° mark is at top.
4. Reinstall screw (S).
5. Fit cap (T).
Reversed union (hot on right - cold on left).
Replace thermoelement (Y), see replacement parts fold-out
page II, ref. No. 47 657 (1/2").
Temperature limitation
The safety stop limits the temperature range to 38 °C.
If a higher temperature is desired, the 38 °C limit can be
overridden by depressing the button (V).
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.
The complete thermostat assemblies and non-return valves
must be unscrewed and removed.

Maintenance

For maintenance, see fold-out page II and III fig. [10].
Inspect and clean all parts, replace if necessary and grease
with special valve grease (ref. No. 18 012).
Shut off cold and hot water supplies.
I.Thermoelement
1. Lever out cap (T).
2. Unscrew screw (S).
3. Pull off temperature control handle (R).
4. Remove clip (W).
5. Pull off stop ring (X).
6. Remove adjusting nut (Q) with overload unit (Q1).
7. With a 22mm open-ended spanner, unscrew and remove
thermoelement (Y).
Readjustment is necessary after every maintenance operation
on the thermoelement (see Adjustment).
II. Non-return valve
1. Lever out caps (P) and (T) .
2. Unscrew screws (O) and (S).
3. Pull off temperature control handle (R) and flow control
knob (M).
4. Detach escutcheon (G) in accordance with fig. [10].
5. Remove screws (F) and escutcheon mounting bracket (E).
6. Unscrew and remove non-return valve (Z) with 17mm socket
wrench.
III. Ceramic headpart
1. Proceed as for maintenance of non-return valve,
points 1 - 5.
2. Remove splined adapter (L).
3. Remove economy stop (H).
4. Pull off sleeve (C) and screw off holder (B).
5. Unscrew and remove ceramic headpart (J) with a 17mm
open-ended spanner
Reassemble in reverse order.
Observe the correct mounting position!
Replacement parts, see fold-out page II ( * = special
accessories).
Care
For directions on the care of this fitting refer to the
accompanying Care Instructions.
2