30
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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.
22. Output / pump head
performances
PUMP
HEAD
mH
2
O
OUTPUT l/h
h
020523_1
100
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).
23. How to disasseble the
DHW heat exchanger
(LUNA HT 280 - HT 330)
Figure 19
DHW heat exchanger
securing screws
flow sensing
securing nut
020429_0100