LAARS NeoTherm NTV (Sizes 150–850 MBTU/h) - Install and Operating Manual - Manual (Page 28)

Page 24 LAARS Heating Systems
Figure 20 - Hydronic Piping — Heating Zones with Indirect DHW Tank Piped with Zone Pumps
The indirect DHW tank is piped directly off of the boiler. The boiler pump must shut down during DHW operation.