Notes On The Documentation; Observing Other Applicable Documents; Storing Documents; Validity Of The Instructions - Vaillant FE-MR Série Mode D'emploi

2 Notes on the documentation

2 Notes on the documentation
2.1

Observing other applicable documents

▶
You must observe all the operating and installation in-
structions included with the system components.
2.2

Storing documents

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Pass these instructions and all other applicable docu-
ments on to the system operator.
2.3

Validity of the instructions

These instructions apply only to:
Product article number
FE 300/3 MR
FE 400/3 MR
FE 500/3 MR
FES 300/3 MR
FES 400/3 MR
FES 500/3 MR
FEW 300/3 MR
FEW 400/3 MR
FEW 500/3 MR
FEWS 400/3 MR
FEWS 500/3 MR
3

Product description

3.1

Data plate

Explanations for the data plate can be found in the operating
instructions for this product.
3.2

CE label

The CE label shows that the products comply with the basic
requirements of the applicable directives as stated on the
identification plate.
The declaration of conformity can be viewed at the manufac-
turer's site.
4

Set-up, installation and start-up

You can find more detailed information about set-up, installa-
tion and start-up in the enclosed text-free/illustrated installa-
tion instructions.
4
5 Setting the target cylinder
temperature
1. Set the target cylinder temperature.
0010020650
–
0010020651
2. Check the water hardness.
Water hardness: > 3.57 mol/m³
0010020652
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0010020653
3. Check the conductivity of the water.
0010020654
Conductivity at 20 °C between: 100 ... 1,250 µS/cm
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0010020656
4. Observe the applicable regulations regarding legionella
0010020657
prevention.
0010020658
0010020659
6

Handing over to the operator

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1. Teach the end user how to handle the installation. An-
swer any questions the operator may have. In particu-
lar, draw attention to the safety information which the
operator must follow.
2. Explain to the operator how the safety devices work and
where they are located.
3. Inform the end user that they must have the product
maintained in accordance with the specified intervals.
4. Provide the operator with all relevant instructions and
unit documentation for safe-keeping.
5. Inform the end user about the ways to limit the domestic
hot water outlet temperature so that scalding can be
prevented.
6. Inform the end user about the legionella protection
measures that have been taken.
7

Troubleshooting

7.1
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If problems occur whilst operating the product, check
certain points with the aid of the table in the appendix.
Detecting and eliminating faults (→ Page 6)
Danger!
Risk of death from legionella.
Legionella multiply at temperatures below
60 °C.
▶
Ensure that the end user is familiar with
all of the Anti-legionella measures in order
to comply with the applicable regulations
regarding legionella prevention.
Water temperature: ≥ 60 ℃
Soften the water.
Take measures to protect against corrosion.

Detecting and rectifying faults

Installation instructions 0020246836_02