Ariston microGENUS II 24 MFFI Installation And Servicing Instructions page 36

F . 6.14
IG
H
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 seals the cable/
electrode connection point completely.
6.3.4 Removing the main heat exchanger
1. Drain the boiler of water;
2. Remove the side panels (see 6.2.3)
3. Remove the overheat thermostat sensor "I" (F
4. Remove the clips "J" (F
5. Release the connection nut "K" (F
6. Release the connection nut "L" (F
7. Pull down the pipe (F
4. Pull the exchanger out (F
I
F . 6.15
IG
. 6.16);
IG
IG
IG
. 6.19);
IG
. 6.20).
IG
J
K
. 6.16);
IG
. 6.17);
. 6.18);
J
Fig. 6.16
F . 6.17
IG
L
F . 6.18
IG