Non-Return Valve; Shut-Off Valve; Kv 40: Pressure Reducing Valve; Specification - Stiebel Eltron KV 30 Utilisation Et Installation

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INSTALLATION

Specification

9.2

Non-return valve

9.2.1 Checking the non-return valve
f Check the non-return valve annually.
f
f Draw off hot water until the heater of the DHW cylinder
f
switches on.

1 Shut-off valve

2 Pressure gauge screw
f Remove the cap from the shut-off valve.
f
f Turn the shut-off valve clockwise to shut off the cold water
f
inlet.
f Remove the pressure gauge screw.
f
No water must drip from the shut-off valve.
f If water drips out, the non-return valve is not leaktight. Re-
f
place the safety assembly.
f If cold water drips, turn the shut-off valve anti-clockwise
f
briefly to open it and flush out any dirt. Then close the shut-
off valve again. If water continues to escape, replace the
safety assembly.
9.3
Shut-off valve
The shut-off valve is maintenance-free.
f If the shut-off valve proves to be faulty, replace the safety
f
assembly.
9.4

KV 40: Pressure reducing valve

9.4.1 Checking the pressure reducing valve
f Open the water supply pipe (floor shut-off valve, for
f
example).
f Remove the cap from the shut-off valve.
f
f Turn the shut-off valve clockwise to shut off the cold water
f
inlet.
f Remove the pressure gauge screw and replace it with a pres-
f
sure gauge.
f Open the shut-off valve and check the pressure.
f
f If the pressure does not correspond to the maximum per-
f
missible pressure (see chapter "Specification / Data table"),
regulate the pressure by turning the quadrant at the pressure
reducing valve.
14
| KV 30 | KV 307 | KV 40
f Check by drawing off water briefly. If the pressure rises,
f
clean or replace the pressure reducing valve.
9.4.2 Removing / cleaning the pressure reducing valve
f Close the water supply pipe (e.g. floor shut-off valve) to shut
f
off the cold water supply.
f Open the tap to drain the DHW cylinder.
f
1
2
1 Top part, valve
f Pull the cap off the pressure reducing valve.
f
f Unscrew the top part of the valve.
f
f Remove the washer and spring.
f
f Raise the working part with a screwdriver. Remove the work-
f
ing part of the pressure reducing valve from the casing.
f Clean the working part with clear, cold water.
f
f Reinsert the working part. The selected output pressure re-
f
mains unchanged.
f Install the top part of the valve.
f
f Replace the pressure reducing valve if this does not fix the
f
problem.
10. Specification

10.1 Dimensions

KV 30
100
G ½
G ½
6
14x1
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1
100 ±5

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Ce manuel est également adapté pour:

Kv 307Kv 40

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