Bedienungsanleitung Grohe 34537 WAVE COSMOPOLITAN (Seite 4 von 8) (Englisch)

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Safety and important information

This thermostatic valve will suit supplies of:

Low pressure shower (LP-S).

Conditions of use TMV2

NOTE: Valves operating outside these conditions cannot be

guaranteed by the Scheme to operate as Type 2 valves.

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 Standards Act 2000, the maximum mixed

water outlet temperature is 43°C.

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.

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 thermostatic mixing

valve.

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 2:2 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

0,1 bar approx. 5,5 l/min

0,2 bar approx. 10 l/min

3 bar approx. 42 l/min

Max. water temperature at hot water supply 70 °C

Cold water connection right

Hot water connection left

Minimum flow rate = 5 l/min

If static pressure is not in necessary level , a pressure reducing

valve must be fitted.

pressure max.

pressure

ratio

Range cold water hot water

LP:HP

1:5 or 5:1

low

pressure <1bar

high

pressure

<2bar <1,2bar

2-5bar <2bar

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