57
3.6.4.
KC model
fig. 24
KeY
0SCHeMoD27: boiler board
0SCHeINT00: interface board
DK: pressure transducer
Fl: flow switch
SS: DHW OUT NTC probe 10 kOhm at 25 °C B=3435
S3S: DHW IN NTC probe 10 kOhm at 25 °C B=3435
SRT: return NTC probe 10 kOhm at 25 °C B=3435
SR1-SR2: heating NTC probe 10 kOhm at 25 °C
B=3435
SF: flue NTC probe 10 kOhm at 25 °C B=3435
TF: flue gas thermostat
VG: gas valve
P: modulating circulator boiler pump
MDV: electric deviating valve
Ca: automatic filling 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
0CREMOTO04 Remote Control (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
13-14: ambient probe 1
15-16: ambient probe 2
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)
Connection wiring diagram
BACK
0SCHEINT00
QUATOUCH00