Technical data

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5.1 ELECTRICAL DIAGRAMS OF THE APPLIANCE
Figure 5.4 – Appliance internal wiring diagram
LEGEND SCH1 S61 controller SCH2
W10 controller
SCH3 Mod10 controller TER Power terminal block CNTBOX
Flame controller
PWRTR Controller transformer BLW Blower PMP Hydraulic pump IGNTR
Ignition transformer
IGN Ignition electrodes FLS Flame sensor LS
Gas valve ON indicator lamp
GV Gas solenoid valve
TC Manual fumes thermostat TL
Generator limit thermostat
FM Flowmeter (only for E3-A) FL Flowmeter (only for GAHP-A) CWS
Condensation water sensor
VD Defrosting valve TM Thermostat for electromagnet FAN Fan C
Fan capacitor
(not in the low-noise unit) EM Electromagnet TS
Winter kit thermostat
RS condensation siphon resistance
FS condensation pipe resistance RG
Gas valve resistance
THRC Hot water delivery temperature probe THMC Hot water return temperature probe TMIX
Combustive air temperature probe
TA Ambient temperature probe TG Generator temperature probe PT1000
Exhausted gas probe
TEVA Evaporator outlet probe REED Hydraulic pump rotation sensor