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GB
Application
Thermostat mixers are designed for hot water supplies from
pressurised storage heaters and offer the highest temperature
accuracy when used in this way. Given sufficient output
(min.18 kW or 250 kcal per min), electric or gas-fired
instantaneous heaters are also suitable (displacement
heaters).
Thermostat mixers cannot be used in conjunction with low-
pressure storage heaters.
All thermostat mixers are adjusted at the factory with a flow
pressure of 3 bar on both sides.
An additional shut-off device is only required if draw-off points
are connected to the lower outlet.
Technical Data
Minimum flow pressure without
downstream resistances
Minimum flow pressure with
downstream resistances
Max. operating pressure
Recommended flow pressure
Test pressure
Flow rate at 3 bar flow pressure
Max. water temperature at hot water inlet
Recommended max. flow temperature
(for energy saving)
Safety stop
Hot water temperature at supply connection min. 2 °C higher
than mixed water temperature.
Hot water connection - W - (-H-)
Cold water connection - K - (-C-)
Minimum flow rate
At a flow pressure over 5 bar it is recommended that a
pressure reducing valve be fitted in the supply line.
Prevention of frost damage
When the domestic water system is drained, the thermostat
mixers must be drained separately, since non-return valves
are installed in the hot and cold water connections. The
complete thermostat assembly and non-return valves must be
unscrewed and removed.
New installation
- Prepare wall ready for mixer.
Drill holes for thermostat mixer and cut slots for pipes.
- Observe the installation depth in accordance with the
instructions given on the mounting template, see Fig. [1].
x = Face of tiles
y = Front face of mounting template
z = Resting point for spirit level
- Align the mixer horizontally, vertically and parallel to the wall,
see Fig. [2] (place a spirit level on the cams or face of the
mounting template).
- Install concealed thermostat mixer module in wall and
connect pipes, see Fig. [3]. The housing is provided with
pre-drilled holes (A) to facilitate mounting the fitting to the
wall, see Fig. [2].
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- Do not solder the connections between the pipes and
housing, otherwise the built-in non-return valves may be
damaged.
- Seal the bottom outlet with screw plug supplied.
Note
- The hot water supply must be connected on the left
(marked W (H) on housing) and the cold water supply on
the right (marked K (C) on housing), as viewed from the
operating position.
Checking pipes and thermostatic mixer module for leaks.
1. Remove screws (B) and fitting template (C), see Fig. [5].
2. Turn splined adapter (D) clockwise to the stop and
3. Turn splined adapter (D) anticlockwise to the stop and
4. Return splined adapter (D) to initial position (fitting closed)
0.5 bar
5. Reinstall fitting template (C), see Fig. [5].
1 bar
10 bar
Flush pipes thoroughly.
1 - 5 bar
1. Remove screws (B) and fitting template (C), see Fig. [5].
16 bar
2. Close the hot and cold water supplies.
24 l/min
80 °C
3. Remove screw plug (F).
4. Remove non-return valve (G) and filter (H).
60 °C
5. Install flushing plugs (I) in non-return valve seat recesses,
38 °C
6. Open the hot and cold water supplies and flush pipes
left
right
7. Close the hot and cold water supplies and remove flushing
5 l/min
8. Install filter (H) and non-return valve (G), see Fig. [5].
9. Install screw plug (F).
10. Open the hot and cold water supplies.
11. Turn splined adapter (D) clockwise to the stop and flush
12. Turn splined adapter (D) anticlockwise to the stop and
13. Return splined adapter (D) to initial position (fitting closed)
14. Reinstall mounting template (C), see Fig. [5].
Plaster and tile the wall.
Do not remove the fitting template before final installation.
!
pressure test the bath outlet, see Fig. [4].
pressure test the shower outlet.
arrow (D1) facing upwards.
see Fig. [6].
thoroughly.
plugs (I).
the bath outlet thoroughly, see Fig. [4].
flush the shower outlet thoroughly.
arrow (D1) facing upwards.
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