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Installation info
2.3 WIRING DIAGRAM
2.3.1 ACTUAL WIRING DIAGRAM
fig. 25
LEGENDA
A1...A8 = Connectors
TA = Room thermostat (optional)
VG = Gas valve
RIV/AC = Ignition/Ionisation electrode
V = Fan (only for TFS)
PV = Fan pressure switch (only for TFS)
TL = H.L. Thermostat
TF = Flue-gas spillage thermostat
P = Circulating pump
DK = Minimum water pressure switch
SR = C.H. sensor
FL = Flow switch
SS = Rotary flow switch (only for CTN-CTFS)
MVD = Motor 3 way valve (optional for only heating boiler).
MD = Modulating coil
MD – MODULATING COIL
DK – MINIMUM WATER PRESSURE
SR – C.H. TEMPERATURE SENSOR
TA – ROOM THERMOSTAT
TF – FLUE GAS SPILLAGE THERMOSTAT
TL – HIGH LIMIT THERMOSTAT
PV – FAN PRESSURE SWITCH
TL HIGH LIMIT THERMOSTAT
FL = Flow switch
SS = DHW sensor
MDVMOTOR 3
WAY VALVEGREEN
V – FAN
MAIN SUPPLY
230V-50HZ
P – PUMP
IONISATION
IGNITION ELECTROD
GAS VALVE
- 1/4 W
27


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  • LA CALDAIA MI DA ERRORE 6C, MA NON SUCCEDE NULLA SE PREMO IL RIPRISTINO O RESET, CHE COSA PUO' ESSERE.?
    GRAZIE A TUTTI Submitted on 28-5-2022 at 19:02

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