GB
2
MU1H-1239GE23 R0420
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
3
Options
For Options visit homecomfort.resideo.com/europe
4
Assembly
4.1 Installation Guidelines
•
Thoroughly flush pipework before installing the
backflow preventer
•
The backflow preventer and the distributor head must
be connected to one another non-detachably with an
- according to the local drinking water standards -
approved glue!
•
Directly connected to distributor
•
Backflow preventers of this type have an integral
strainer which protects the device from the ingress of
dirt. With highly polluted water a fine filter should be
installed upstream to ensure the correct function of
the device
•
The installation location should be protected against
frost
•
In order to avoid flooding, it is recommended to
arrange a permanent, professionally dimensioned
wastewater connection
•
These armatures need to be maintained regularly
4.2 Assembly instructions
1.
Close shut-off valves
2.
Screw backflow preventer in distributor
3.
Fit C-coupling and flexible tube
4.
The appliance is ready for use
5.
Open shut-off valves
5
Maintenance
In order to comply with EN 806-5, water fixtures must
be inspected and serviced on an annual basis.
As all maintenance work must be carried out by an
installation company, it is recommended that a
servicing contract should be taken out.
In accordance with EN 806-5, the following measures must
be taken:
5.1 Inspection
Inspection with a test control unit and maintenance-
set
Test with test kit
5.1.1 Testing discharge valve
For testing the shut-off valve must be fully open.
Take note of the instructions of the test control unit
TKA295
1.
Fit blind plug on c-coupling.
2.
Procedure according to instruction of the test control
unit TKA295
Quick test for the discharge valve:
Lower the inlet pressure
if the discharge valve opens (it drops), the function is
o.k.
5.1.2 Testing outlet check valve
For testing the shut-off valve must be fully open.
Take note of the instructions of the test control unit
TKA295
1.
Fit blind plug on c-coupling.
2.
Procedure according to instruction of the test control
unit TKA295
Media
Medium: Drinking
water
Connections/Sizes
Connection size:
1
1
/
2
"
Discharge pipe connection: DN40
Pressure values
Inlet pressure:
1.5 bar - 10 bar
Operating temperatures
Max. operating temperature
medium:
65 °C
Specifications
Installation position:
Vertical with discharge valve
downwards
