Output / Pump Head Performances; How To Disassemble The Dhw Heat Exchanger - Baxi LUNA HT 280 Installers And Users Instructions

22. Output / pump head
performances
23. How to disasseble the
DHW heat exchanger
(LUNA HT 280 - HT 330)
Figure 18
This is a high static head pump fit for installation on any type of single or double-pipe heating systems.
The air vent valve incorporated in the pump allows quick venting of the heating system.
Graph 4
The stainless steel plate-type DHW heat exchanger is easily disassembled with a screwdriver by
operating as described below:
• drain, if possible, only the boiler system, through the drain tap;
• drain the DHW system from water;
• remove the circulation pump;
• remove the two srews (right in front of you) securing the DHW heat exchanger and pull it off its
seat (Figure 19).
flow sensing
securing nut
Figure 19
OUTPUT l/hh
DHW heat exchanger
securing screws
30