PRINCIPLE DIAGRAM INOVA L24 MC W TOP
Fuse
IG
1
L
5
RP
18
OR
VDR
4
3
17
N
2
LEGEND
BM Modulating coil
CA Ignition control unit
CO Heating programming timer
contact (if any)
CO1 Hot water programming
timer contact (if any)
EC Control electrode
EI
Summer/winter switch
ES
Spark electrode
Main switch
IG
Line
L
MP Hot water priority micro
pressure switch
MAX.R. Max. heating adjustment
6
R4
8
RT
RS
14
15
13
C2
C1
P
R3
R2
TR1
16
7
N
Neutral
OR Programming timer (on
request)
System circulating pump
P
Fumes pressure switch
PF
PR Reset button
Ph
O
2
switch
P.RI Heating potentiometer
P.SA Hot water potentiometer
RLA RLA power adjustment
Relay contact
RT
RS Relay contact
RP Relay contact
SB
PR
J1
L N R AL RES L L
1 2 3 4 5 6 7
CA
19 18 17 16
N TS TS GV
ION
J4
EC
PTC
12
52
SS
51
50
SR
49
48
SW1
A B C D
Ph2o
Lack of water pressure
TST
J2
J3
PNC PNO PC FAN N
N TS TS GV
8
9
10 11 12
13 14 15
MT1
MT2
J5
J6
ES
+
+
+
+
+
11
10
9
ELECTRONIC REGULATOR
REGOLATORE ELETTRONICO
47
46
45
44
43
34
33 32
na
c
TF
BM
TL
TA
nc
SR Heating sensor
SS
Hot water/cylinder sensor
Operation indicator
SF
SB Lock-out warning light
SW1Function selector
TA
Room thermostat (if any)
TIMER Boiler timer adjustment
TR1 Transformer
TST Total safety thermostat
Limit thermostat (if any)
TL
Fume thermostat
TF
VG Gas valve
VN Fan
VDR Variator
36
VG
LED thermometer
Termometro a LED
30°
40°
50°
60°
70°
80°
ON
RP
RT
RS
31
30
29
28
27
26
25
CO1
I
SAN.
MPS
RISC.
EI
E
CO