espresso coffee machines
56
LSI 089 - Rev. 00 - Ed. 04/2015
9.2 KEY DIAGRAM
MP Motor pump
RS Cup warmer heating element
RC Boiler heating element
EVAL Solenoid valve, automatic water refill
EV1 Solenoid valve, 1st group from the right
EV2 Solenoid valve, 2nd group from the right
EV3 Solenoid valve, 3rd group from the right
EV4 Solenoid valve, 4th group from the right
EVH Solenoid valve, timed water (optional)
PSH Timed water button (optional)
PP Programming touchpad
P1 Touchpad, 1st group from the right
P2 Touchpad, 2nd group from the right
P3 Touchpad, 3rd group from the right
P4 Touchpad, 4th group from the right
S Temperature probe in the boiler
F1 Flow meter for 1st group from the right
F2 Flow meter for 2nd group from the right
F3 Flow meter for 3rd group from the right
F4 Flow meter for 4th group from the right
CAP Filter
D1 Controlboard connection
D2 Serial connector
P Pressostat
MS Main switch
K1&K2 Static relays
C Contactor
SL Control for water level in the boiler by probe
REED Control for water level in the boiler by floater
TS Safety thermostat with manual reset
TR Transformer for board
CRS Control board relay controlling the cup warmer heating
element
CMP Control board relay controlling the motor-driven pump
C1 Control board relay controlling the solenoid valve, 1st
group from the right
C2 Control board relay controlling the solenoid valve, 2nd
group from the right
C3 Control board relay controlling the solenoid valve, 3rd
group from the right
C4 Control board relay controlling the solenoid valve, 4th
group from the right
CAL Control board relay to control the automatic water level
solenoid valve
CH Control board relay to control the timed water solenoid
valve
SER4 Serial connection RS232
SER1 Front panel connection to power board
P5 Button - M.A.T. -
SMAT Probe - M.A.T. -
EVMAT Solenoid valve - M.A.T. -
SER2 Technical assistance display connection -G.A.-CRO-
NO-COUNTER
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