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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 sizes:
Nominal sizes:
Pressure values
Max. inlet pressure:
Outlet pressure:
Preset outlet pressure:
Nominal pressure:
Min. pressure drop:
Operating temperatures
Max. operating temperature
medium:
3
Options
For Options visit homecomfort.resideo.com/europe
MU1H-1005GE23 R0120
Water
1
1
/
" - 1
/
"
2
2
DN15 - DN40
25 bar
1.5 - 12 bar
4 bar
PN 25
1 bar
65 °C
GB
4
Assembly
4.1 Installation Guidelines
•
Install in horizontal pipework with filter bowl
downwards
•
Install shut-off valves
•
The installation location should be protected against
frost and be easily accessible
– Pressure gauge can be read off easily
– Simplified maintenance and cleaning
•
Install downstream of the filter or strainer
– This position ensures optimum protection for the
pressure reducing valve against dirt
•
Provide a straight section of pipework of at least five
times the nominal valve size after the pressure
reducing valve (in accordance with EN 806-2)
•
Requires regular maintenance in accordance with
EN 806-5
4.2 Assembly instructions
1.
Thoroughly flush pipework
2.
Install pressure reducing valve
• Note flow direction
• Install without tension or bending stresses
3.
Set outlet pressure
4.
Seal in pressure gauges
5
Start-up
5.1 Setting outlet pressure
Set outlet pressure min. 1 bar under inlet pressure.
1.
Close shut-off valve on inlet
2.
Release pressure on outlet side (e.g. through water
tap)
3.
Close shut-off valve on outlet
4.
Loosen hexagon nut on spring bonnet
5.
Slacken tension in compression spring
6.
Slowly open shut-off valve on inlet
7.
Rotate adjustment screw, until the pressure gauge
shows the desired value
8.
Retighten hexagon nut
9.
Slowly open shut-off valve on outlet
3
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