22
23
6
IG
22
M24
23
fuse
M
7
M10
74
17
18
19
21 20
M1
TS
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
0C
IR
C
S
T
A
05
M11
75
5
4
2
3
1
M21
M12
67
70
69
68
71
65
66
60
63
62
61
64
P
3
M6
P
3
P
4
P
2
23
0V
ac
N
50Hz
L
SR
M8
M8
M13
26
27
24
25
46
45
25
27
26
24
P
1
46
50
51
52
48
49
47
M10
45
SB
L
N
63
64
66
65
61
62
60
M12
D
K
P
R
10
12
11
P
S
15
13
14
17
16
8
9
M2
M20
7
6
3
4
5
M18
2
1
N
BR (RDB1)
M13
O
SC
H
ER
EM
00
M5
M6
ZONE-BATT
M7
OPENTH
C
T
0CREMOTO0
3
18.2
°
9:4
5
M6
OPENTH
M5
SE
(0SONDAES02
)
SETTING OF THE BOILER WITH REMOTE CNTROL
73 72
M11
75 74
7
6
3
4
5
M18
2
1
N
BR (RDB2)
MODEL B with REMOTE CONTROL
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
ADJUSTMENT
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
ADJUSTMENT
S1: MAIN CH ZONE SELECTION JUMPERS
S2: SETTING OF ZONE ELECTRONIC BOARDS
X1-X8: AVAILABLE CONNECTORS FOR ZONE ELECTRONIC
BOARDS
pic. 9b