40
6.5.2. R
EMOVING THE
S
AFETY
V
ALVE
(
ECO
C
OMBI
27 MFFI)
1. Remove the U-clip “Z” (Fig. 6.47);
2. Unscrew and remove the valve (Fig. 6.48).
6.5
A
CCESS TO THE
W
ATER
C
IRCUIT
F
IG
. 6.48
6.5.1. R
EMOVING THE
D.H.W. (S
ECONDARY
)
E
XCHANGER
1. Remove the screws “Y” (F
IG
. 6.44);
3. Push the exchanger towards the rear of the boiler, lift
upwards and remove from the front of the boiler (F
IG
.
6.45 - 6.46);
4. Before replacing the exchanger ensure that the O-
rings are in good condition and replace if necessary.
Important! Before any component is removed, the boiler
must be drained of all water.
F
IG
. 6.46
F
IG
. 6.47
Y
Y
F
IG
. 6.44
F
IG
. 6.45
Z
