50
WARNING! The maintenance task frequency depends on the quality of the
pellets.
Note:
See the warning label and read the maintenance instructions in chapter 16.
Douro 17 kW and Douro 23 kW
To perform maintenance on the backboiler model, clean the airflow pipes. To do this,
raise the lid on the top of the unit (
Figure
33-a) and then turn (
Figure
33-b) and lift the
levers inside several times (
Figure
33-c) to make the dirt accumulated inside the pipes
fall out.
a) b)
c)
Figure 33 - Cleaning the turbulators
Then clean the inside of the unit using a steel brush on the surfaces where dirt has
accumulated (
Figure
34).
Summary of Contents for Douro 12
Page 5: ......
Page 60: ...55 a b c d e f ...
Page 66: ...61 ...
Page 67: ...62 ...
Page 68: ...63 ...
Page 89: ...84 23 2 Flow chart Douro 12 kW Flow chart 1 Lighting ...
Page 90: ...85 ...
Page 91: ...86 Flow chart 2 Disabling Note The circulator pump off below 40 C water temperature ...
Page 92: ...87 23 3 Flow chart Douro 17 kW and Douro 23 kW Flow chart 1 Lighting ...
Page 93: ...88 ...
Page 94: ...89 Flow chart 2 Disabling Note The circulator pump off below 40 C water temperature ...
