33
3.5.
Wiring diagram
Table 12
T (°C)
0
2
4
6
8
0
27203
24979
22959
21122
19451
10
17928
16539
15271
14113
13054
20
12084
11196
10382
9634
8948
30
8317
7736
7202
6709
6254
40
5835
5448
5090
4758
4452
50
4168
3904
3660
3433
3222
60
3026
2844
2674
2516
2369
70
2232
2104
1984
1872
1767
80
1670
1578
1492
1412
1336
90
1266
1199
1137
1079
1023
fig. 23
0SCHEMOD15: boiler main PCB
0CIRCSTA06: 230VAC relay PCB
0SCHELCD00: LCD PCB
CM1-CM2: jumpers for selecting type of boiler:
- F1BIT: bi-thermal boiler
- F2PIA: mono-thermal /”AQUA PREMIUM” boiler
- F3RIS: CH only boiler
- F4BOI: boiler with storage tank
- F5MIC: micro-storage tank boiler
- F6MAC: “AQUA PREMIUM” boiler for outdoor installation
M3 [0SCHEMOD17]: power supply connector
M16 [0SCHEMOD17]: telemetering connector
M2-M19 [0SCHEMOD17]: service connectors
M1-M2 [0CIRCSTA08]: service connectors
E.RIV: detection electrode
E.ACC: ignition electrode
PR: recirculation pump
PS: DHW recirculation pump
V: fan
EV: two-way motorized cutoff storage tank valve
MVD: three-way valve motor
DK: low water pressure switch
FL: flow switch
VG: gas valve
TL: limit thermostat
PV: fan pressure switch
TF: flue gas thermostat
SR: CH probe 10K Ohm B=3435
SS: probe 10K Ohm B=3435
SB: boiler probe 10K Ohm B=3435
SE: external temperature probe (optional)
TR. ACC: ignition transformer
P3: boiler function selector
P6: curve selection potentiometer for sliding
temperature (with external temperature probe only)
P5: ignition power regulation potentiometer
K1: “chimney sweep” function key
P2: DHW temperature-adjusting potentiometer
P4: maximum CH output-adjusting potentiometer
P1: CH temperature-adjusting potentiometer
OPENTHERM REMOTE CONTROL (optional):
REMOTE: Opentherm remote control
0SCHEREM00: remote control interface PCB
Relation between temperature (°C) and nominal resistance (Ohm) of SR heating and SS hot water probes
Remote control
