USER AND MAINTENANCE MANUAL
User manual version 11/2009
28
Earth
Se
c
o
n
d
a
ry
h
e
a
t
e
x
c
h
a
n
g
e
r (n
o
.
3
)
TRANSFORMER
2
3
0
V
m
a
in
s
filte
r
Flue gas
fan
Se
c
o
n
d
a
ry
h
e
a
t
e
x
c
h
a
n
g
e
r (n
o
.
2
)
F
ee
d
s
c
rew
Main heat
exchanger
Glow plug
Flue
g
a
s
te
mpe
ra
tu
re
probe
R
o
o
m
te
mpe
ra
tu
re
probe
S
u
p
p
lemen
ta
ry
th
e
rmos
ta
t
(*)
ALF = General safety thermostat
ALC = Draught pressure switch
ALP = Pellet chamber safety thermostat
Flue gas fan
Encoder
(*) See the corresponding paragraph for correct use
TIMER
RELAY
S
E
R
IAL
BUZZER
D
IS
P
L
A
Y