34
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.
F
IG
. 6.15
F
IG
. 6.16
H
1. Drain the boiler of water;
2. Remove the overheat thermostat sensor, D.H.W. sensor
and heating sensor “I” (F
IG
. 6.17);
3. Release the four connection nuts “J” connecting the
exchanger to the flow and return pipes (F
IG
. 6.18);
4. Pull it straight out (F
IG
. 6.19).
6.3.4 Removing the main heat exchanger
F
IG
. 6.18
J
Fig. 6.17
I
F
IG
. 6.19
I
Summary of Contents for MICROCOMBI 23 MFFI
Page 45: ...45...
Page 46: ...46...
Page 47: ...47...
Page 48: ...48...
Page 49: ...49 8 SHORT SPARE PARTS LIST microCombi 23 27 MFFI...
Page 51: ...51 NOTES...
