Installation Instructions

2 Notes on the documentation
4 Installation instructions 0020246836_02
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
▶ 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
0010020650
FE 400/3 MR
0010020651
FE 500/3 MR
0010020652
FES 300/3 MR
0010020653
FES 400/3 MR
0010020654
FES 500/3 MR
0010020655
FEW 300/3 MR
0010020656
FEW 400/3 MR
0010020657
FEW 500/3 MR
0010020658
FEWS 400/3 MR
0010020659
FEWS 500/3 MR
0010020660
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.
5 Setting the target cylinder
temperature
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.
1. Set the target cylinder temperature.
– Water temperature: ≥ 60 ℃
2. Check the water hardness.
Water hardness: > 3.57 mol/m³
▶ Soften the water.
3. Check the conductivity of the water.
Conductivity at 20 °C between: 100 … 1,250 µS/cm
▶ Take measures to protect against corrosion.
4. Observe the applicable regulations regarding legionella
prevention.
6 Handing over to the operator
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 Detecting and rectifying faults
▶ 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)