3.Remove screw “H” (FIG. 1.15);

4.Gently slide the electrode downward (FIG. 1.16).

FIG. 1.15

H

51 eps

11 eps

52 eps

FIG. 1.16

To replace, repeat the steps in reverse order, paying particular attention to the following:

a - Centre the electrode in the positioning hole carefully, otherwise the electrode may break;

b -Check that the cables have been connected correctly;

c- Check that the rubber gasket covers the cable/ electrode connection point completely.

Removing the main heat exchanger

1.Drain the boiler of water;

2.Release the overheat thermostat sensor “I” (FIG. 1.17);

3.Release the two connection nuts “J” connecting the exchanger to the flow and return pipes (FIG. 1.18);

4.Pull it straight out (FIG. 1.19).

I

75 eps

Fig. 1.17

J

76 eps

FIG. 1.18

 

 

6 eps

FIG. 1.19

6

B063

Page 30
Image 30
Ariston 47-116-15 installation instructions Removing the main heat exchanger