7.2
WIRING DIAGRAM AND LEGEND
CUP WARMER
HEATING
ELEMENT
LED
LIGHTING
LEGEND:
HE = BOILER ELECTRICAL
RESISTANCE ST = SAFETY
THERMOSTAT
PS = PRESSURE SWITCH
MB = ELECTRONIC CONTROL
UNIT MS = MAIN SWITCH
F =
PHASE
N = NEUTRAL
G = MASS
MP = MOTOPUMP
EV1 = SOLENOID VALVE 1ST COFFEE
GROUP EV2 = SOLENOID VALVE 2ND
COFFEE GROUP EVAL = SOLENOID VALVE
AUTO LEVEL
F1 = VOLUMETRIC COUNTER 1ST COFFEE GROUP F2 =
VOLUMETRIC COUNTER 2ND COFFEE GROUP
M1 = JUMPER DISABLE CONTINUOUS DISPENSING KEY
RS232 =
SERIAL RS232
GND = MASS
SL = LEVEL PROBE
RS = CUP WARMER RESISTOR
CWS = CUP WARMER RESISTOR CONTROL UNIT
CWB = CUP WARMER RESISTOR BUTTON
AS =
SWITCHING POWER SUPPLY UNIT
AR = LED BACKLIT RINGS
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