Ariston 41-116-07 installation instructions Removing the main heat exchanger

3.Remove screw “H” (FIG. 1.14);

4.Gently slide the electrode downward (FIG. 1.15).

FIG. 1.14

H

1.3.4 Removing the main heat exchanger

1.Drain the boiler of water;

2.Release the overheat thermostat sensor “I” (FIG. 1.16);

3.Release the two connection nuts “J” connecting the exchanger to the flow and return pipes (FIG. 1.17);

4.Remove the heat exchanger by sliding forward (FIG. 1.18).

I

FIG. 1.15

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 -Ensure that the left hand and right hand electrodes are located the correct way round (facing each other), to give the correct spark gap;

c - Check that the cables have been connected correctly;

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

Fig. 1.16

J

FIG. 1.17

FIG. 1.18

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