Features and technical data
Installation, use and maintenance manual – Caldaria Con export
17
1
1.5.2 Caldaria 55.1
Figure 1.19
Caldaria 55.1 electrical connections diagram
CON OT/Modbus interface (optional ODSP040)
CR Remote control (optional OCDS006)
CS
Standby contact
EA Ignition electrode
ER
Flame detector
EV
Blower
L
Line
MP Control panel terminal block
N
Neutral
PM Modulating water pump
Pacq Water pressure switch
RS1 Heating resistance of condensate drain siphon
SB DHW buffer tank probe (optional OSND011)
SE Outdoor probe (optional OSND009)
SPF Female socket
SPM Male plug
SR Heating delivery probe
SRi Heating return probe
Se Connector for optional outdoor temperature
probe
TA
Antifreeze thermostat
TB DHW thermostat (alternative to SB probe)
TF Flue gas thermofuse
TS
Safety thermostat
Ta Connector for optional room thermostat
Tra Ignition transformer
VD Buffer tank diverter valve for DHW charging
VG Gas valve
ar
Orange
bi
White
ce
Light blue
gi
Yellow
gr
Grey
ma Brown
ne
Black
ma
ce
ma
ce
ma
gi
bi
gr
EV
ce
ma
ce
ma
EA
VG
Tra
ce
ma
ER
TS
TF
SR
ar ar
ce ma ma ce
ne ne
220 V
50 Hz
MP
Pacq
11
10
9
8
7
12
13
14
15
16
17
M12
M9
M7
M5
M2
M4
M8
M10
M15
M16
1
2
3
4
57
61
60
59
58
44 43 42 41 40 39 38
37 36 35 34 33 32
31 30 29 28
27 26
62
63
64
65
66
67
68
51
52
53
54
55
56
5
6
M13
M14
Ta
+24V
HS
PWM GND
PM
SRi
ma
ce
CS
ar
ar
ma
ce
VD
ma
ce
ne
SE
SB
1
2
6
5
B
A
CON
M1
CR
M6
TB
N
T
L
S3
B4
T2 T1
N
L
T
S3
B4
T2 T1
N
L
SPM
SPF
TA
RS1
1
Summary of Contents for Caldaria 100.2 Condensing+ export
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