Practice Seminar

AUSGEBUCHT! - Bitte nicht zu diesem Seminar anmelden. 59821 Arnsberg, Handwerkskammer Südwestfalen, Altes Feld 20

on 24 January 2023 from 08:30 to 17:00


For the first participant of your company we charge a fee of 174,- € (plus VAT). The cost contribution for further participants of your company is 144,- € each.


AUSGEBUCHT! - Bitte nicht zu diesem Seminar anmelden.

ATTENTION! The number of participants is limited to 20 persons!

- Participation in this event is eligible for 8 Dena points.
- An overnight stay in the boarding school of the Chamber of Crafts is possible. You can request the overnight stay via


08:30 Reception

09:00 Lecture Part I
Return flow utilisation to reduce the return flow temperature

Return flow utilisation for condensing boilers (without minimum circulation)
Return flow utilisation for condensing boiler (with minimum circulation)
No need for hydraulic separator and heating circuit pump
Exhaust gas side heat exchanger corrosion
Efficient use of system separation without additional pump
Investment comparison and amortisation calculation
Reference systems

10:30 Small coffee break

11:00 Lecture Part II
Efficient buffer loading and unloading through the two-zone principle

What is the two-zone principle?
Two-zone charge
Two-zone discharge
Simultaneous two-zone loading and unloading
Two-zone discharge with return use
Long-term test
Multivalent plug and play solution
Benefits for solar thermal systems

13:00 Lunch Break

13:45 Laboratory Experiment I in the heating laboratory

15:30 Laboratory Experiment II in the heating laboratory

5:00 p.m. Closing discussion and farewell


* Mandatory field