WilTec 50600 User manual

Operation Manual
Expansion Vessel
50600, 50602, 50640–50643, 50645–50648
Illustration similar, may vary depending on model
Read and follow the operating instructions and safety information before using for the first time.
Technical changes reserved!
Due to further developments, illustrations, functioning steps and technical data can differ insignific-
antly.
Updating the documentation
If you have suggestions for improvement or have found any irregularities, please contact us.

The information contained in this document may alter at any time without previous notice. It is prohib-
ited to copy or spread any parts of this document in any way without prior written allowance. ll rights
reserved.
The WilTec Wildanger Technik GmbH cannot be held accountable for any possible mistakes in this
operating manual, nor in the diagrams and figures shown.
Even though, the WilTec Wildanger Technik GmbH has undergone biggest possible efforts to ensure
that the operating manual is complete, faultless and up to date, mistakes cannot be entirely avoided.
If you should find a mistake or wish to make a suggestion for improvement, we look forward to hearing
from you.
Send an e-mail to:
[email protected]
or use our contact form:
https://www.wiltec.de/contacts/
The most recent version of this manual in various languages can be found in our online shop via:
https://www.wiltec.de/docsearch
Our postal address is:
WilTec Wildanger Technik GmbH
Königsbenden 12
52249 Eschweiler
Germany
Do you wish to pick goods up? Our pick-up address is:
WilTec Wildanger Technik GmbH
Königsbenden 28
52249 Eschweiler
Germany
To shorten the waiting time and allow for a rapid on-site transaction, we ask you to call us previously
or placing your order via the webshop.
E-mail: [email protected]
Tel:[phone]
Fax: [phone]
To return orders for exchange, repair or for other purposes, please use the following address. tten -
tion! To allow for a smooth execution of your complaint or return, it is important to contact our cus -
tomer service team before returning the goods.
Returns Department
WilTec Wildanger Technik GmbH
Königsbenden 28
52249 Eschweiler
E-mail: [email protected] o
Tel:[phone]
Fax: [phone]
© by WilTec Wildanger Technik GmbH Item 50600, 50602, 50640–50643, 50645–50648 Page 2
http://www.WilTec.de
http://www.aoyue.eu 01 2021-1
http://www.teichtip.de

Introduction
Thank you for purchasing this quality product. To minimize the risk o injury we urge that our cli-
ents take some basic sa ety precautions when using this device. Please read the operation in-
structions care ully and make sure you have understood its content.
Keep these operation instructions safe.
Please ensure that you have read and understood the instructions and sa ety notes o the ex -
pansion vessel be ore use.
Sa ety notes
⚠Warning!
To avoid any injuries, ensure that all air is expelled and the water pressure is released from
the pressure system before the expansion vessel is opened.
We highly recommend to protect the system with a suitable pressure relief valve set to or be-
low the maximum vessel pressure.
The pre-charge should be approx. 0.1–0.2 bar below the start-up pressure of the pump and
needs to be checked regularly.
If the exact pressure settings are not complied with, the EPDM rubber membrane of the vessel
might be damaged. n exact calculation can be lead from the start-up pressure of the pump ×
0.9. Example: Start-up pressure of the pressure switch of the domestic waterworks is set to
1.5 bar: 1.5 bar × 0.9 = 1.3–1.4 bar.
The maximal water temperature as well as the maximal working pressure can be seen on the
type plate of the expansion vessel.
If the expansion vessel shows any signs of leakage, rust or any other damage, it must not be
used any more!
The expansion vessel installation needs to be according to regional and national regulations.
Protect the vessel, piping and any further components from cold temperatures and frost.
Product In ormation
Expansion vessel
The expansion vessel is designed for a maximal pressure of 5.4 bar and thus is tested for its tightness
by the manufacturer with up to 5.4 bar water pressure.
The expansion vessel has a 32.89–33.25 mm connection. dditionally, it has an integrated valve (sim-
ilar to a car tyre valve) to check the counter-pressure for the rubber membrane and to adjust it if ne -
cessary.
Ethylene propylene diene monomer rubber membrane (EPDM)
The vessel is equipped with a heat and age-resistant EPDM rubber membrane. The rubber that the
membrane is made of belongs to the elastomers. The synthetic rubber is especially resistant against
hot air, weathering and ozone influences. The elastomer shows low gas permeability, good resistance
to chemicals as well as good absorption of oscillation and impact energy of up to 100°C.
In the low temperature range, the rubber remains elastic up to -70°C. It is mainly used for air hoses
and inner cores of tyres, bladders, steam hoses and linings for tanks. Other fields of application are
foils, membranes, non-vulcanised sealants and bands.
The EPDM rubber is even allowed as chewable mass for chewing gum according to nnex 4 of the
German Food dditive Regulation. Consequently, the material is suitable for drinking water installa-
tions according to this.
© by WilTec Wildanger Technik GmbH Item 50600, 50602, 50640–50643, 50645–50648 Page 3
http://www.WilTec.de
http://www.aoyue.eu 01 2021-1
http://www.teichtip.de

Installation notes
To ensure the maximal lifespan of the expansion vessel, it should always be installed in a covered, dry
position. The vessel cannot touch surrounding, hard surfaces, such as walls, etc.
Install the vessel in a suitable place, to avoid any water damages due to leakage. The vessel should
always be installed after the pump. If the vessel is located at a lower height than the height of where
the water is required, a non-return valve should be installed. If the vessel is installed with distance to
the pump, the pressure switch should be installed close-by to the vessel. The vessel should be in-
stalled as close as possible to the pressure switch, converter or flow sensor. Thus the negative im-
pacts of additional friction loss and differences in height between vessel and/or water piping and the
pressure switch, converter or flow sensor is reduced.
Installation
1. Remove the protective cap and check the pre-charge pressure.
2. Check whether the pre-charge pressure matches the one stated on the type label. The max-
imal difference is ±20 % of the pressure indicated.
3. With a lower pre-charge the pressure needs to be adjusted according to the type plate. fter-
wards, place the protective cap back onto the vessel again.
4. Position the vessel as close to the pressure switch as possible to avoid potential loss of loads
during transfer.
5. Connect the vessel with the pump.
6. fter having finished the installation, connect the electricity supply.
7. Start the pump and let the vessel be filled until the pressure switch turns the pump off auto-
matically. Please note that the pressure switch is not included in the delivery.
© by WilTec Wildanger Technik GmbH Item 50600, 50602, 50640–50643, 50645–50648 Page 4
http://www.WilTec.de
http://www.aoyue.eu 01 2021-1
http://www.teichtip.de

8. Repeatedly open and close the water tap, to expel any remaining air from the piping system.
9. Open the tap, to release the water from the tank. If there are any pauses in between letting the
air out and starting the pump, the start-up pressure of the pressure switch needs to be in-
creased a bit or the pre-charge of the vessel needs to be decreased. Repeat these steps until
the pumps starts without any interruptions.
10. Check the connection on its tightness.
11. If everything has been correctly installed, the system is ready for use.
12. Check the pressure regularly during operation.
© by WilTec Wildanger Technik GmbH Item 50600, 50602, 50640–50643, 50645–50648 Page 5
http://www.WilTec.de
http://www.aoyue.eu 01 2021-1
http://www.teichtip.de

Changing the Membrane
1. Turn off the electricity and water supply. If necessary, release the water from the piping sys-
tem.
2. Disconnect the vessel from the piping system and expel the air via the pre-charge valve.
3. Loosen the counter-flange screws and remove the flange.
4. Exchange the rubber membrane.
5. Mount the counter-flange back into place and tighten the screws again.
6. The pre-charge needs to be installed again.
7. Check the counter-flange area for leaks.
8. Connect the vessel back to the piping system.
9. Repeat the previously stated installation steps.
Maintenance and care instructions
The pressure vessel should be checked annually by a specialist who is able to carry out main-
tenance work.
Before any maintenance work is carried out, the vessel needs to be taken out of operation,
thus remove the vessel from the electricity and let it cool down.
Ensure that the pre-charge pressure matches the one stated on the type label. The max. toler-
ance of the pressure is ±20 %.
The pre-charge pressure should be lower than the start-up pressure of the pressure switch
and 0.1–0.2 bar below the start-up pressure of the pump.
Never demount the vessel if it is not entirely empty and without pressure.
Check the pre-charge and working pressure several times a year.
Before buying a replacement EPDM rubber membrane, the diameter of the opening needs to
be determined. The membrane diameter is the same as the vessel opening. You can find suit-
able membranes and other wearing parts at www.wiltec.de.
Important notice:
The reprint or reproduction, even of excerpts, and any commercial use, even in part of this instructions
manual require the written permission of WilTec Wildanger Technik GmbH.
© by WilTec Wildanger Technik GmbH Item 50600, 50602, 50640–50643, 50645–50648 Page 6
http://www.WilTec.de
http://www.aoyue.eu 01 2021-1
http://www.teichtip.de

© by WilTec Wildanger Technik GmbH Item 50600, 50602, 50640–50643, 50645–50648 Page 7
http://www.WilTec.de
http://www.aoyue.eu 01 2021-1
http://www.teichtip.de

EG-Kon ormitätserklärung
Declaration of Conformity / Déclaration de Conformité
(gemäß den Richtlinien 2014/68/EU Druckgeräterichtlinie)
Zertifikatnummer: 801653855583
Firma / Company / Société WilTec Wildanger Technik GmbH
Königsbenden 12
52249 Eschweiler, Deutschland
erklärt, dass das Produkt: Druckkessel
Type: 50600,50602, 50640, 50641, 50642,
50643, 50645, 50646, 50647 und 50648
SM-01-20, SM-01-24, SM-01-36, SM-
01-50, SM-01-80, SM-01-100
Verwendungszweck: ustauschkessel zur Verwendung in sa-
nitären Kalt-/Warmwasser- nlagen-
mit den folgenden EG-Rats-Richtlinien übereinstimmt:
This appliance is in conformity with the following European directives:
Cet appareil est conforme aux directives européennes :
2014/68/EU
Es ist nach folgenden harmonisierten Normen geprüft worden:
It has been tested with the following harmonised standards:
Il a été testé à partir des normes harmonisées suivantes :
EN 13445-1 :2014+ 1 :2014
Bevollmächtigter für die Zusammenstellung der technischen Unterlagen:
Bernd Wildanger, Geschäftsführer WilTec Wildanger Technik GmbH
Königsbenden 12
52249 Eschweiler
Deutschland
Eschweiler, 12. Dezember 2016
Gültig bis 11. Dezember 2020
__________________________
Bernd Wildanger
Geschäftsführer
© by WilTec Wildanger Technik GmbH Item 50600, 50602, 50640–50643, 50645–50648 Page 8
http://www.WilTec.de
http://www.aoyue.eu 01 2021-1
http://www.teichtip.de