Grohe grohtherm 2000 34283001 [5/32] Adjusting
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Grohe grohtherm 2000 34283001 [5/32] Adjusting

Grohe grohtherm 2000 34283001 [5/32] Adjusting
2
GB
Safety notes
Protection against scalding
It is recommended that near points of discharge with
particular sensitivity to the outlet temperature
(hospitals, schools, nursing and retirement homes)
thermostatic devices should be installed which can limit the
water temperature to 43 °C. The product includes an
appropriate temperature end stop. It is generally
recommended that the temperature of shower-systems should
not exceed 38 °C in nurseries and specific areas of care
centres. Use Grohtherm Special thermostats with special
handle to facilitate thermal disinfection and appropriate safety
end stop. Applicable standards (e. g. EN 806-2) and technical
regulations for drinking water must be observed.
Installation
Always take care with the concealed mixer housing,
see fold-out page I.
- 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.
• Seal prefabricated walls with a permanently plastic
compound.
Installation of functional elements, see fold-out page I,
Figs. [1] to [4].
Shut off cold and hot water supplies.
1. Remove the mounting template, see fold-out page I,
Fig. [1].
2. Unscrew closure plug (A) and plug (B), see Fig. [2].
3. Screw in sound absorber (C), see Fig. [3].
4. Grease O-ring of race (D) with the special grease supplied.
Install race (D); there is only one possible position,
see detail, Fig. [3].
5. Grease O-ring of adapter (E) with the special grease
supplied. Fasten adapter (E), see Fig. [4].
6. Install Aquadimmer (F); there is only one possible position,
see detail, Fig. [4].
Open cold and hot-water supply and check connections
for water-tightness.
Installation of escutcheon (L) and shut-off handle (N),
see fold-out page II, Figs. [5] to [7].
1. Attach sleeve (H), bracket (I) and sleeve (I1), see fold-out
page II, Fig. [5].
2. Lubricate seals (L1) of escutcheon mounting base (L2) with
the special grease supplied, push on escutcheon mounting
base (L2) and fasten with screws (M), see fig. [6].
3. Attach escutcheon (L).
4. Attach stop ring (G) so that marking (G1) is at the top,
see Fig. [7].
5. Attach splined adapter (J); the faces (J1) coincide in only
one position and turn splined adapter (J) so that the
stop (J2) points at left.
6. Install flow control knob (N) so that the the button (N1) is at
top.
7. Install screw (O).
8. Attach cap (P).
If the thermostat has been installed at too great a depth,
this can be increased by 27.5mm with an extension set
(see Replacement parts, fold-out page I, ref. no.: 47 781).
Operating shut-off handle (N)
Shut-off handle in central position = closed
Turn shut-off handle clockwise = discharge from spout
Turn shut-off handle anti-clockwise = discharge from shower
Reversed connection (hot on right - cold on left).
Replace thermostatic compact cartridge (W), see
Replacement parts, fold-out page I, ref. no.: 47 186 (3/4”).
Adjusting
Installation of the temperature control handle (R) and
temperature adjustment, see fold-out page II, 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 thermostatic
cartridge.
1. Open the shut-off valve and check the temperature of the
water with a thermometer, see Fig. [8].
2. Turn the regulating nut (Q) clockwise or anticlockwise until
the water temperature reaches 38 °C.
3. Install temperature control handle (R) so that button (V) is at
the top, see Fig. [9].
4. Install screw (S).
5. Attach cap (T).
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 pressing button (V), see Fig. [9].
19 355: max. 80 °C
19 964 (UK): max. 46 °C
Temperature end stop [not for 19 964 (UK)]
If the temperature end stop is at 43 °C, insert accompanying
temperature limiter (R1) in temperature control handle (R),
see fig. [10]. Handle with preassembled temperature end stop,
ref. no.: 47 920 (see Replacement parts, fold-out page I).
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.
The complete thermostat assemblies and non-return valves
must be unscrewed and removed.
Maintenance
Inspect and clean all parts, replace as necessary and lubricate
with special grease.
Shut off cold and hot water supplies.
I. Thermostatic compact cartridge (W), see fold-out page II,
Figs. [11], [12] and [13].
• Loosen screw ring (Y) using a 34mm tool.
• If necessary, lever out thermostatic compact cartridge (W)
via recess (W1).
• Unscrew screw ring (Y).
Assemble in reverse order.
Observe the correct installation position of thermostatic
compact cartridge (W), see detail (W2).
Readjustment is necessary after every maintenance operation
on the thermostatic cartridge (see Adjusting).
II. Non-return valve (X), see fold-out page II, Figs. [11], [12]
and [14].
Assemble in reverse order.
Observe the correct installation positions.
III. Aquadimmer (Z), see fold-out page II, Figs. [11], [12]
and [14].
Assemble in reverse order.
Observe the correct installation positions.
Replacement parts, see fold-out page I (* = special
accessories).
Care
For directions on the care of this fitting, refer to the
accompanying Care Instructions.

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