20
21
3.5. Electric diagrams
6
IG
22
M24
23
fuse
M
7
M10
74
17
18
19
21
20
M1
T
S
M24
22
23
18
20
19
21
M1
M17
38
M2
11
10
36
37
14
13
12
16
15
72
73
M20
8
9
6
7
3
5
4
1
2
M17
38
36
37
35
34
M15
M19
M18
33
32
50
52 51
47
49 48
0CIRCSTA05
M11
75
5
4
2
3
1
M21
M12
67
70 69 68
71
65
66
60
63 62 61
64
P3
M6
P3
P4
P2
230Vac
N
50Hz
SE - 0SONDAES01
L
TA
SR
CT
M8
33
32
M15
M8
M13
26
27
24
25
46 45
25
27 26
24
P1
46
50
51
52
48
49
47
M10
45
SB
L
N
63
64
66 65
61
62
60
M12
DK
L
73
72
N
68
70
71
69
M21
67
TIMER
M11
75
74
C
H2
D
.H
.W
.
C
H1
HEATING.
PR
10
12
11
PS
15
13 14
17
16
8
9
M2
M20
7
6
3
4
5
M18
2
1
N
BR (RDB1)
7
6
3
4
5
M18
2
1
N
BR (RDB2)
DIGITAL
73
72
M11
75
74
SETTING OF THE BOILER
NIGHT TEMPERATURE CN4 ON = -4°C
NIGHT TEMPERATURE CN4 OFF = -2°C
WITHOUT EXTERNAL PROBE
SETTING OF THE BOILER
WITH EXTERNAL PROBE
P4
High temperature curves adjustement:
set a value between 1 and 1,5
(only when an external probe is
connected)
MODEL B
0CIRCSTA05: MAIN ELECTRONIC BOARD
M: TERMINAL BOARD FOR CONNECTION TO POWER MAINS,
EXTERNAL PROBE, ROOM THERMOSTATS
M6: CONNECTOR FOR TELE-METERING
M1-M24: AVAILABLE CONNECTIONS
TA1-TA2: ZONE 1 ROOM THERMOSTAT AND ZONE 2 ROOM
THERMOSTAT (BOTH OPTIONAL EQUIPMENT)
TSM: LOW TEMPERATURE ZONE THERMOSTAT
SE: EXTERNAL PROBE, CODE 0SAODAES01
CT: PHONE PROGRAMMER (OPTION)
FUSE: 2AF 250Vac FUSE
P4: POTENTIOMETER FOR HIGH TEMPERATURE CURVE ADJU-
STMENT
P3: BOILER FUNCTION SELECTOR
P2: DHW TEMPERATURE POTENTIOMETER
P1: CH TEMPERATURE POTENTIOMETER
IG: BI-POLAR MAIN SWITCH
BR (RDB1): BURNER WITH PRE-HEATING RESISTANCE WITHOUT
THERMOSTAT
BR (RDB2): BURNER WITH PRE-HEATING RESISTANCE WITH
THERMOSTAT
TS: SAFETY THERMOSTAT
DK: SAFETY PRESSURE SWITCH
PR: RE-CIRCULATION PUMP OF THE SEPARATOR
PR1: HIGH TEMPERATURE ZONE PUMP
PR2: LOW TEMPERATURE ZONE PUMP
VM. MOTORIZED MIXING VALVE
PS: DHW PUMP
DIGITAL TIMER: TWIN CHANNEL ELECTRONIC DIGITAL TIMER
SB: 10K B=3435 CYLINDER PROBE
SR: 10K B=3435 CH PROBE
SM: 10K B=3435 LOW TEMPERATURE FLOW PROBE
CM1-CM2-CM3-CM4: BOILER TYPE SELECTING JUMPERS
0CREMOTO03: REMOTE CONTROL (OPTION)
0SCHEREM00: INTERFACE BOARD FOR REMOTE CONTROL
R4: POTENTIOMETER FOR LOW TEMPERATURE CURVE ADJU-
STMENT
S1: MAIN CH ZONE SELECTION JUMPERS
S2: SETTING OF ZONE ELECTRONIC BOARDS
X1-X8: AVAILABLE CONNECTORS FOR ZONE ELECTRONIC
BOARDS
pic. 9a
