espresso coffee machines
LSI 022 - Rev. 00 - Ed. 12/2015
25
11.1 KEY DIAGRAM
CB = Control board power supply
MP = Motor pump
RS = Cup warmer heating element
RC = Boiler heating element
EVAL = Solenoid valve automatic water refill
EV1 = Solenoid valve, 1
st
group from the right
EV2 = Solenoid valve, 2
nd
group from the right
EV3 = Solenoid valve, 3
rd
group from the right
EVA = Solenoid valve for water refill system
P1 = Touchpad, 1
st
group from the right
P2 = Touchpad, 2
nd
group from the right
P3 = Touchpad, 3
rd
group from the right
SL = Control for water level in the boiler
F1 = Flow meter for 1
st
group from the right
F2 = Flow meter for 2
nd
group from the right
F3 = Flow meter for 3
rd
group from the right
MS = Main switch
TS = Safety thermostat with manual reset
C1 = Control board relay controlling the solenoid valve, 1
st
group
C2 = Control board relay controlling the solenoid valve, 2
nd
group
C3 = Control board relay controlling the solenoid valve, 3
rd
group
CA = Control board relay controlling the water refill solenoid valve
P = Heating element pressure switch
CWC = Cup warmer control board
CWS = Cup warmer button
M1 = Connector to deactivate the manual buttons
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