IKEA VOXNAN 403.426.00 Bruksanvisning
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Duschhuvud
VOXNAN 403.426.00
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AA-2615204-1
© Inter IKEA Systems B.V. 2025
Type 2 Approved Valves (UK Installations) – Installation, Commissioning and
in service test requirements
This information is supplementary to and must be read in conjunction with
the assembly instructions, technical product information and clean and care
instructions supplied with your thermostatic mixing valve.
• The installation must comply with the requirements of the Water Supply
(Water Fittings) Regulations 1999.
• Unless otherwise stated the approval designation is High Pressure Shower
(HP-S).
• The thermostatic mixing valve shall be installed in such a position that
maintenance, commissioning and testing can be undertaken.
• The tting of isolation valves is required as close as practicable to the water
supply inlets of the thermostatic mixing valve.
• The tting of strainers (supplied) is required into the water supply inlets of the
thermostatic mixing valve (as shown in the assembly instructions).
Conditions of use for Type 2 valves
High Pressure
Maximum static pressure – Bar 10
Maximum dynamic (ow) pressure (hot & cold) – Bar 0.5 to 5
Hot supply temperature – °C 55 to 65
Cold supply temperature – °C 25≤
Valves operating outside these conditions cannot be guaranteed by the Scheme
to operate as Type 2 valves.
When commissioning the thermostatic mixing valve check the following:
1. The designation of the thermostatic mixing valve matches the application.
2. The supply pressures are within the valves operating range.
3. The supply temperatures are within the valves operating range.
4. Isolating valves are provided.
If all these conditions are met, proceed to set the temperature as stipulated in the
installation instructions.
It is a requirement that Type 2 approved valves shall be veried against the
original set temperature results once a year. When commissioning/testing is due
check the supply temperatures and pressures are still appropriate and then the
following performance test shall be carried out.
Cold water isolation test:
The purpose of the cold-water isolation test is to ensure that the thermal
performance of the TMV is adequate at the time of installation and annually
thereafter.
Procedure:
1. Operate the TMV and achieve a normal owrate for the application and record
the initial mixed water outlet temperature.
2. Isolate the cold-water supply to the valve.
3. Collect the water discharged from the TMV outlet for 5 seconds.
4. Continue to collect the water discharged from the TMV outlet in a second
vessel for a further period of 30 seconds.
5. Re-open (restore) the cold-water supply and after 30 seconds measure the
mixed water temperature.
Acceptance criteria (shower):
• The volume collected in the rst period of 5 s shall not exceed 200 ml.
• The volume collected in the second period of 30 s shall not exceed an
additional 300 ml.
• After restoration of the cold-water supply (30 s) the mixed water outlet
temperature shall not dier by more than 2°C from the initial set mixed water
temperature.
Note, if there is residual ow during the commissioning or annual verication
(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.
Temperature readings should be taken at the normal ow rate after allowing for
the system to stabilise.
The sensing part of the thermometer probe must be fully submerged in the water
that is to be tested.
Any TMV that has been adjusted or serviced must be recommissioned and re-
tested in accordance with the manufacturers' instructions.
Produktspecifikationer
| Varumärke: | IKEA |
| Kategori: | Duschhuvud |
| Modell: | VOXNAN 403.426.00 |
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