BLUEHELIX TECH RRT 28 C
181
EN
cod. 3541N260 - Rev. 01 - 10/2017
Replacing the main exchanger
fig. 39- Main exchanger
•
Drain the boiler heating circuit water
•
Extract the flue connection (concentric or accessory for separate ducts)
•
Remove the fan
•
Remove the clips of the two pipes on the exchanger, pump and hydraulic unit
•
Remove the 2
top screws "5"
securing the exchanger to the frame (fig. 39)
•
Loosen the 2
bottom screws "5"
securing the exchanger to the frame (fig. 39)
•
Remove the exchanger
•
Insert the new exchanger, resting it on the
bottom
screws "5".
•
For assembly, proceed in reverse order
1
2
1
2
1
3
5
5
5
6
4
1
5