Ariston microCombi, Servicing Instructions

Page: 6 / 28

Supplied By www.heating spares.co Tel. 0161 620 6677
6
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.
F
IG
. 1.15
F
IG
. 1.16
H
1. Drain the boiler of water;
2. Remove the overheat thermostat sensor, D.H.W. sensor
and heating sensor “I” (F
IG
. 1.17);
3. Release the four connection nuts “J” connecting the
exchanger to the flow and return pipes (F
IG
. 1.18);
4. Pull it straight out (F
IG
. 1.19).
1.3.4 Removing the main heat exchanger
F
IG
. 1.18
J
Fig. 1.17
I
F
IG
. 1.19
I