La Spaziale S1 Vivaldi II Owner's Manual - page 17
S1 Vivaldi II Owner’s Manual
5.4 Control Panel Connection Diagram
5 Wiring Diagram Definitions
5.
EV GR
Coffee brewing group solenoid valve
EV H
Hot water delivery solenoid valve
EV AL
Automatic refill system solenoid valve
T1
Connection on control board of the triac that feeds the boiler heating element
T2
Connection on control board of the triac that feeds the group heating element
P1
Connection of the control board on the triac that feeds the boiler heating
element
P2
Connection of the control board on the triac that feeds the group heating
element
SER 1
Connection control panel on control board
SER 2
Connection control board on control panel
F Flow
meter
Flin
Phase inlet into the triac that feeds the boiler heating element
Flout
Phase outlet from the triac that feeds the boiler heating element
F2in
Phase inlet into the triac that feeds the group heating element
F2out
Phase outlet from the triac that feeds the group heating element
VII
Boiler temperature probe
S2 Brewing
group
temperature probe
SL
Boiler water level control
V
Ventilator connection (boiler triac cooling fan)
MP Motor
pump
RC
Heating element brewing group
TSC Safety
thermostat
for
brewing group heating element
RB
Boiler heating element
TSB Safety
thermostat
for boiler heating element
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