47
FUNCTIONAL DIAGRAM
F1=4A T
X1
X15
X6
X11
1
6
X9
X19
X13
X8
X21
X2
X12
X14
1
5
1
12
1
10
4
1
1
3
1
5
1
4
X25
1
6
1
1
3
2
X3
X7
orange
F.S.
AKM0x
SW1
brown
blue
2
1
3
5
4
GAS VALVE
1
2
4
3
OPE
OPE
pink
blue
brown
1
X1
6
blue
P
brown
brown (+)
blue (-)
PWM
1
3
X8
M3
230 V auxiliary
M2
blue brown
brown
blue
F
L
N
F=3.15A F
X15
blue
F Hv
1
2
brown
TSC2
blue
S.E.
brown
yellow/green
N F
X6
3
1
red (+24 Vdc)
yellow (B)
orange (A)
black (-)
red (+24 Vdc)
yellow (B)
orange (A)
black (-)
REC
black (-)
orange (A)
yellow (B)
red (+24 Vdc)
-
A
B
+
CE4 (removable connector positioned under shelf)
5
1
X14
red (+24Vdc)
blue (HS)
pink(PWM)
grey (-)
F Lv
X13
1
4
1
10
X19
D.H.W.T.
1
3
P.T.
-t°
F.M.
1
3
black (+5Vdc)
blue (sign.)
brown (-)
red
blue (sign.)
violet (+5Vdc)
orange (-)
red
grey
grey
MOD
1
X9
12
-t°
-t°
-t°
F.O.H.T.
R.S.
F.T.
F.S.
red
red
white
white
grey
grey
blue
blue
4
3
2
1
5
red
blue
violet
white
3W
X12
black (TA) black (TA)
pink (OT+) pink (OT+)
orange (SE)
orange (SE)
6
1
X11
1
2
white (TBT)
white (TBT)
X25
white (TBT)
white (TBT)
black (TA)
black (TA)
pink (OT+)
pink (OT+)
orange (SE)
orange (SE)
TBT
TA
black
OT+
SE
CE8 (removable connector positioned under shelf)
Voltage free contact input
white
NOTE: L-N-E connect
ion is advisable
ACCESSORIES
CE8
TBT
(underfloor heating
thermostat)
CE8
TA
(room thermostat)
CE8
OT+ (open therm)
CE8
SE
(external sensor)
CE4
Zone control dir/mix
CE4
Hybrid modules
X2
Remote alarm
X21
Zone valve or
supplementary pump
