Dunkirk Helix VLT Vertical Laser Tube, Wall Hung Modulating Condensing Boiler - Manual (Page 3)

3
START
Read through the
BACKGROUND section and
understand the design concept
Additional heating
device is
Low temperature device?
or
High temperature device?
Test the system and confirm it works
properly for both CH and DHW
Install the system
following
procedure in
Section
A
Install the system
following
procedure in
Section
B
HIGH
Temperature Device
LOW
Temperature Device
PROCESS FLOW