Grohe Grohtherm Cube User Manual

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Grohtherm Cube

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GB

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Grohtherm Cube

Design + Engineering GROHE Germany

99.0218.031/ÄM 229852/01.14

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22mm

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*19 377

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Bitte diese Anleitung an den Benutzer der Armatur weitergeben!
Please pass these instructions on to the end user of the fitting.
S.v.p remettre cette instruction à l'utilisateur de la robinetterie!

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* 19 001

38 °C

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Safety and important information

This thermostatic valve will suit supplies of:
High pressure.

Conditions of use TMV2

high pressure low pressure

Requirements shall be verified against the original set
temperature results once a year.

The installation of thermostatic mixing valves must comply with
the requirements of the Water Supply (Water Fittings)
Regulations 1999.

The fitting of isolation valves is required as close as is
practicable to the water supply inlets of the thermost atic mixing
valve.

max. static
pressure

flow pressure
hot/cold

hot supplied
temperature

cold supplied
temperature

NOTE: Valves operating outside these conditions cannot be
guaranteed by the Scheme to operate as Type 2 valves.

The designation of use is high pressure tub (HP-T) and high
pressure shower (HP-S).

If a water supply is fed by gravity then the supply pressure
should be verified to ensure the conditions of use are
appropriate for the valve.

Recommended outlet temperature

• 44 °C for bath fill
but:

- 41 °C for shower and washbasin

- 38 °C for bidet

The mixed water temperatures must never exceed 46°C.

The maximum mixed water temperature can be 2°C above the
recommended maximum set outlet temperatures.

NOTE: 46°C is the maximum mixed water temperature from
the bath tap. The maximum temperature takes account of the
allowable temperature tolerances inherent in thermostatic
mixing valves and temperature losses in metal baths.

It is not a safe bathing temperature for adults or children.

The British Burns Association recommends 37 to 37.5°C as a
comfortable bathing temperature for children. In premises
covered by the Care Standar ds Act 2000, th e maximum mixed
water outlet temperature is 43°C.

equal to or less 25 °C equal to or less 25 °C

10 bar 10 bar

0,5 to 5 bar 0,1 to 1 bar

55 to 65 °C 55 to 65 °C

Notes

If there is a residual flow during the commissioning or the
annual verification (cold water supply isolation test), then this
is acceptable providing the temperature of the water seeping
from the valve is no more than 2°C above the designated
maximum mixed water outlet temperature setting of the valve.

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
non-pressurised 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

Test pressure 16 bar
Flow rate at 3 bar flow pressure approx. 20 l/min
Max. water temperature at hot water supply 80 °C
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.

The thermostatic mixing valve will be installed in such a
position that maintenance of the TMV and its valves and the
commissioning and testing of the TMV can be undertaken.

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