Technical data

Installation, user and maintenance manual – AY Condensing line, AY series
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Figure 5.2 – Functional diagram
Appliance wiring diagram.
LEGEND SCH controllers (AY10/S70) TA ambient temperature probe THPC delivery water temperature probe (machine internal circuit) THMC outlet water temperature probe (system circuit) THRC inlet water temperature probe (system circuit) TH combustion unit limit thermostat (machine internal circuit) TF fumes thermostat PD2 dierential water pressure switch (machine internal circuit) PD1 dierential water pressure switch (system circuit) TL water limit thermostat P1 water circulator (machine internal circuit) LS gas valve ON indicator lamp GV gas solenoid valve IGNTR ignition transformer IGN ignition electrodes FLS ame sensor CNTBOX ame controller BLW blower MC power terminal block 230V AC PWRTR controller transformer RS siphon heating element