Ferroli SIGMA Installation And Servicing Instructions page 14

c
d
c - d
Common
For top outlet
For rear outlet
ig
Remo e fan mounting late b un oing
the three fi ing scre s
oiler is fi tte as stan ar
our ue s stem. If it is necessar to change it. follo instructions at ste 7-10 if not go to ste 11.
ig
Remo e the t o scre s a from i e
connection .
10
ig
i the restrictor ith the t o scre s
a insi e the i e connection
14
d
c
ig
Rotate the fan through 90° so that the fan nozzle oints u
. to the late in the ne
ith (Sigma 20-40) or 41 (Sigma 40- 0) restrictor. I entif on 2.07 the correct restrictor for
ig
Remo e restrictor
11
b
b
.
ig 9
Sigma
a
osition using scre s in osition
.
9
ig
Insert the correct restrictor.
(See section 2.07).
a
Refi t iring connections to fan an air
ressure s itch tubes ensuring correct
orientation. I.E. re tube to air ressure
s itch connection
an clear tube to air ressure s itch
connection ith no aint marking (-).
it the fan into the boiler rotating
the front u ar s to engage
in a .
Secure ith the scre s
ar . Secure the fan
.
ith re ot (+)
ith the
.