39
GENERAL
Boilers from outside
brown
white
white
white
EXTERNAL SENSOR
CIRCULA
TOR B
.T
.
PHASE
Automatic
hi
gh
limit
ther
mostat lo
w
temper
ature
system
SENSOR
NEUTRAL
Circulator lo
w
temper
ature
Circulator
hi
gh
temper
ature
CIRCULA
TOR B
.T
.
PHASE
bro
wn
bleu
yello
w
green
Ambient
ther
mostat lo
w
temper
ature
system
brown
bleu
blac
k
bro
wn
bleu
brown
bleu
F2= Fuse 2AF
blac
k
bro
wn
bleu
yello
w/
green
anti-freez
e
resistance
ancillar
y
ter
minal boar
d
BAG
2
MIX
AE01A-P2
Auxiliary board in the boiler
BE08
Low temperature
system control board
M
1
0
Exter
nal lo
w-v
oltage connection ter
minal in the boiler
.
M3
–
M6
Exter
nal high-v
oltage connection ter
minals in the boiler
.
M
2
High-temperature pump connection terminal in the boiler
