22
23
10
IG
22
M24
23
fu
se
M
11
M
10
74
17
18
19
21 20
M1
TS
M24
22
23
18
20
19
21
M1
M
17
38
M
2
11
10
36
37
14
13
12
16
15
72
73
M
20
8
9
6
7
3
5
4
1
2
M
17
38
36
37
35
34
M
15
M
19
M
18
33
32
50
52
51
47
49
48
0
C
IR
C
S
T
A
0
5
M11
75
9
8
7
M
21
M
12
67
70
69
68
71
65
66
60
63
62
61
64
P3
M
6
P3
P4
P2
230Vac
N
50
H
z
SE - 0SONDAES01
L
SR
CT
M
8
33
32
M
15
M
8
M
13
26
27
24
25
46
45
25
27
26
24
P1
46
50
51
52
48
49
47
M
10
45
SB
L
N
63
64
66
65
61
62
60
M
12
DK
L
73 72
N
68
70
71
69
M
21
67
T
IM
E
R
M11
75 74
CH2
D.H
.W.
CH1
HE
AT
IN
G.
PR
10
12
11
P
S
15
13
14
17
16
8
9
M
2
M
20
7
6
3
4
5
M
18
2
1
N
BR (RDB1)
DIGITA
L
T
A
1
6
5
4
M
5
M
13
1
3
2
T
A
2
TSM
X7
X6
SM
O
SC
H
ER
EM
00
M5
M6
ZONE-BATT
M7
OPENTH
M7
ZONE-BATT
X8
1
3
2
VM
M
X3
PR2
X1
fus
e
X2
X3
R4
S1
X6
X8
X7
X2
PR1
X1
A
B
0
C
IR
C
S
T
A
0
6
B
A
7
6
3
4
5
M
18
2
1
N
BR (RDB2)
SE
T
T
IN
G
0
C
IR
C
ST
A
05
WITH EXTERNAL PROBE
S1
SE
T
T
IN
G
0
C
IR
C
ST
A
06
:
MAIN CH ZONE LOW TEMPERATURE
S2
S2
SE
T
T
IN
G
0
C
IR
C
ST
A
06
:
MASTER
P
4
R4
H
ig
h
t
em
p
er
at
u
re
c
u
rv
es adjustement:
set a v
alue between 1 and 1,5
Lo
w
t
em
p
er
at
u
re
c
u
rv
es adjustement:
set a v
alue between 3 and
4
NIGHT TEMPERATURE CN4 ON = -4°C
NIGHT TEMPERATURE CN4 OFF = -2°C
MODEL BV
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. 9c