47
KeY
0SCHeMoD27: boiler PCB
0SCHeINT00: interface PCB
DK: analogue water pressure switch
Fl: flow switch
SS: DHW OUT NTC probe 10 kOhm at 25 °C B=2435
S3S: DHW IN NTC probe 10 kOhm at 25 °C B=2435
SRT: return NTC probe 10 kOhm at 25 °C B=2435
SR1-SR2: heating NTC probe 10 kOhm at 25 °C
B=2435
SF: flue NTC probe 10 kOhm at 25 °C B=2435
TF: flue gas thermostat
VG: gas valve
P: modulating circulator boiler pump
MDV: electric deviating valve
e: ignition/flame detection electrode
V: brushless fan
aCC1: ignition transformer
Cn_a-Cn_m: signal/load connectors
X2-X7: ground connectors
0CRemoTo04: Opentherm Fondital remote control
0SondaeS01: external probe to be used with Remote
Control (p/n 0CREMOTO04, optional)
Panel eleCTRICal ConneCTIonS
1-2: ambient thermostat contact 2
3-4: ambient thermostat contact 1 or opentherm
5-6: external probe
7-8: boiler Water cylinder probe
9-10: boiler solar probe
11-12: solar collector probe
17: serial input GND
18: serial input 485A
19: serial input 485B
20: serial input +5V
21: relay neutral
22: ‘normally closed’ phase relay (NC)
23: ‘normally open’ phase relay (NA)
3.6.1.
Wiring diagram for forced circulation solar system with combi boiler
Parameter setting
P03
P17
P18
1
2
1
fig. 24
T
RETE IDRICA
MORSETTI 9 - 10
SONDA BOLLITORE
SOLARE
FORMENTERA
KC 12-24-28-32
MORSETTI 11 - 12
SONDA ESTERNA
MORSETTI 5 - 6
MORSETTI 3 - 4
TERMOSTATO
AMBIENTE
SONDA COLLETTORE
SOLARE
0KITSOLC07
MORSETTI 21 - 22 - 23
AMBIENT
THERMOSTAT
EXTERNAL PROBE
TERMINALS 5 - 6
TERMINALS 21 - 22 - 23
TERMINALS 3 - 4
TERMINALS 11 - 12
TERMINALS 9 - 10
SOLAR CYLINDER
PROBE
SOLAR COLLECTOR
PROBE
DOMESTIC WATER SYSTEM