11
B063
Important! Before any component is removed, the boiler
must be drained of all water.
Removing the D.H.W. (secondary) exchanger
1.Remove the screws “Y” (F
IG
1.33 + F
IG
1.34);
2.Push the exchanger towards the rear of the boiler, and lift
upwards and remove out of the front of the boiler
(F
IG
1.35);
3.Before replacing the exchanger ensure that the O-rings
are in good condition and replace if necessary.
1.6
A
CCESS TO THE
W
ATER
C
IRCUIT
F
IG
. 1.30
F
IG
. 1.31
F
IG
. 1.32
F
IG
. 1.33
W
X
X
Removing the gas valve
1. Disconnect all the cables from the solenoid and
modureg;
2. Remove the spark generator (see previous section);
3. Release the top nut “W” (F
IG
. 1.30);
4. Remove the screws “X” from the bottom of the gas valve
pipe (F
IG
. 1.31);
5. Remove the gas valve (F
IG
. 1.32).
Y
F
IG
. 1.34
F
IG
. 1.35
Y
47.eps
48.eps
38.eps
22.eps
21.eps
68.eps
Summary of Contents for micro Genius 23 MFFI
Page 27: ......
