Grohe 34276000 grohtherm 3000 cosmopolitan [5/34] Adjusting
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Grohe 34276000 grohtherm 3000 cosmopolitan [5/34] Adjusting

Grohe 34276000 grohtherm 3000 cosmopolitan [5/34] 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.
Application
Thermostat mixers are designed for hot water supply via
pressurised storage heaters and, utilised in this way, provide
the best temperature accuracy. With sufficient power output
(from 18 kW or 250 kcal/min), electric or gas instantaneous
heaters are also suitable.
Thermostats cannot be used in conjunction with
unpressurised storage heaters (displacement water heaters).
All thermostats are adjusted in the factory at a flow pressure
of 3 bar on both sides.
Should temperature deviations occur on account of special
installation conditions, the thermostat must be adapted to local
conditions (see Adjusting).
Specifications
Minimum flow pressure without
downstream resistances 0.5 bar
Minimum flow pressure with
downstream resistances 1 bar
Max. operating pressure 10 bar
Recommended flow pressure 1 - 5 bar
Test pressure 16 bar
Flow rate at 3 bar flow pressure approx. 20 l/min
Max. water temperature at hot water supply 80 °C
Recommended max. flow temperature
(energy saving) 60 °C
Safety stop 38 °C
Hot water temperature at supply connection min. 2 °C higher
than mixed water temperature
Cold water connection right
Hot water connection left
Minimum flow rate = 5 l/min
If static pressure exceeds 5 bar, a pressure reducing valve
must be fitted.
Installation
Flush piping system prior and after installation of fitting
thoroughly (Consider EN 806)!
1. Install S-unions and attach the sleeve together with the
escutcheon, see fold-out page I, Fig. [1].
2. Screw-mount the mixer and check connections for
watertightness.
3. Push the sleeve with escutcheon onto the union nut.
4. Screw the escutcheon flush against the wall.
Refer to the dimensional drawing on fold-out page I.
The projection can be increased by 30mm with an extension,
(see Replacement Parts, fold-out page II, Prod. no.: 46 238).
Reversed connection (hot on right - cold on left). Replace
thermostatic compact cartridge (H), see Replacement Parts,
fold-out page II,Prod. no. 47 175 (1/2”).
When using this thermostatic compact cartridge,
the Cool Touch function is no longer available.
Adjusting
For temperature adjustment, see Figs. [2] and [3].
1. Open the shut-off valve and check the temperature of the
water with a thermometer, see Fig. [2].
2. Detach temperature control handle (A), see Fig. [3].
3. Turn regulating nut (B) until the water temperature has
reached 38 °C.
4. Install temperature control handle (A) so that button (C)
points towards the front, see Fig. [2].
Temperature limitation
The safety stop limits the temperature range to 38 °C.
The 38 °C limit can be overridden by pressing the button (C).
Temperature end stop
If the temperature end stop is at 43 °C, insert accompanying
temperature limiter in temperature selection handle, see Fig.
[3].
Shut-off handle (D) operation, see Fig. [2].
Shut-off handle in central position = closed
Turn shut-off handle anti-clockwise = discharge from spout
Turn shut-off handle clockwise = discharge from shower
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
mixer must be removed from the wall.
Maintenance
Inspect and clean all parts, replace if necessary and lubricate
with special grease.
Shut off hot and cold water supplies.
I. Non-return valve (E) or (F), see fold-out page I Fig. [4].
• Remove connection nipple (G) by turning clockwise (left-
hand thread) using a 12mm allen key.
Install in reverse order.
II. Thermostatic compact cartridge, see fold-out
page I, Fig. [5].
Install in reverse order.
Readjustment is necessary after every maintenance
operation on the thermostatic compact cartridge
(see Adjusting).
III. Aquadimmer (K), see fold-out page I, Figs. [6] and [7].
Install in reverse order.
Observe correct installation position of individual
components, see details.
IV. Unscrew and clean mousseur (13 926), see fold-out
page II.
Install in reverse order.
Replacement parts, see fold-out page II (* = special
accessories).

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