Removing The Heat Exchanger - Ariston microCombi Servicing Instructions

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