Thermal Control In The Mode - Biasi RIVA PLUS HE 24C ERP Service Manual

10 .12 Thermal control in the
See functioning with the function
control in the
Figure 10 .25
10 .13 Thermal control in the
See functioning with the function
control in the
Figure 10 .26
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ELECTRONIC CONTROL/IGNITION P.C.B.
mode
mode
(sec. 10.13)
YES
Circulator off
Operates motorised valve
Ignition device off
mode
mode
(sec. 10.13)
YES
Circulator off
Operates motorised valve
Ignition device off
Switch in the function mode
Taking
YES water from the domestic hot
water circuit?
Is primary circuit
temperature higher than that
selected?
Request for heat from
NO
room thermostat?
Switch in the function mode
Taking
water from the domestic hot
YES
water circuit?
Is primary circuit
temperature higher than that
selected?
Request for heat from
NO
room thermostat?
NO
NO
YES
Starts the circulator
Operates motorised valve
Supplies the ignition device
NO
NO
YES
Starts the circulator
Operates motorised valve
Supplies the ignition device