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1
Safety Guidelines
1.
Follow the installation instructions.
2.
Use the appliance
• according to its intended use
• in good condition
• with due regard to safety and risk of danger.
3.
Note that the appliance is exclusively for use in the
applications detailed in these installation instructions
(see 2 Technical Data). Any other use will not be
considered to comply with requirements and would
invalidate the warranty.
4.
Please take note that any assembly, commissioning,
servicing and adjustment work may only be carried
out by authorized persons.
5.
Immediately rectify any malfunctions which may
influence safety.
2
Technical Data
Media
Medium:
Connections/Sizes
Connection size:
Pressure values
Max. operating pressure:
Maximum pressure
difference between hot and
cold inlet supplies:
Operating temperatures
Max. hot water inlet
temperature:
Setting range:
Preset temperature during
manufacture:
Control accuracy:
Specifications
Flow rate at 1.0 bar pressure
differential across valve:
Installation position:
3
Options
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Drinking water
3
G
/
" or Ø22
4
max. 10 bar
2.5 bar
90 °C
30 - 60 °C
40 °C
<±4 K
appr. 27 l/min
Arbitrary
GB
4
Assembly
4.1 Installation Guidelines
•
Install without tension or bending stresses
•
Fit a return flow-retarder unit where the hot water
supply system includes a circulation circuit
•
Observe the flow direction arrow when fitting a return
flow-retarder unit
•
To prevent the growth of legionella, DVGW-W551
specify that the water volume in the pipework between
the mixer valve and the furthest take-off point should
not exceed 3 litres. This corresponds to a maximum
length of 10 metres for
1
17 metres for
/
2
•
Requires regular maintenance in accordance with
EN 806-5
4.2 Assembly instructions
4.2.1 As a mixing valve
The flow direction arrows must be observed when connecting
the hot and cold water inlets.
4.2.2 As a diverter valve
CAUTION!
For this application flow is in the reverse direction
and therefore is in the opposite direction to the
arrows on the housing.
4.2.3 Changing the setting
The mixing valve can be set within the range 30 °C to 60 °C
as follows:
•
Remove the protective cap.
•
Turn the adjuster knob until the required setting
number aligns with the index mark 8 on the valve
body.
5
Disposal
Observe the local requirements regarding correct waste
recycling/disposal!
6
Spare Parts
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7
Accessories
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2
3
/
" (20 mm) pipework and
4
" (15 mm)
MU1H-1234GE23 R0420
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