Dr.coffee F20 - Schematic Introduction; Circuit Board Diagram

Rev 00
Dr.coffee Product Maintenance Manual 16
4 SCHEMATICINTRODUCTION
4.1 CIRCUIT BOARD DIAGRAM
4.1.1 F20 Main Control Diagram
01~02 Flow meter
03~04 Flow meter
05~08 Left grinder sensor
09~12 Right grinder sensor
13~15 Water tank level sensor
Left bean box position sensor
Right bean box position sensor
Right bean box empty sensor
Left bean box empty sensor
01~02 Drip tray water sensor
03~04 Hot water thermoblock NTC
05~06 Coffee thermoblock NTC
07~08 Steam boiler NTC
09~10 Milk temp NTC
11~12 3-way milk sensor
13~14 Steam boiler water level sens
Brewer motor(DC24V)
Ground wire
Coffee thermob fused-cord-N
Mains input fused-cord-N
Transformer (AC20)
Hot water thermob fused-cord-N
Above water pump (AC220V)
Steam boiler fused-cord-N
Mains input fused-cord-L
Coffee fused-cord-L
Steam fused-cord-L
L
01~02 Door sensor
03~04 Drip tray sensor
05~06 Brewer sensor
07~10 Drive group encoder
Powder machine connection
Hot water fused-cord-L
Fan
Milk pump(DC24)
HMI
Power switch(DC24V)
Pressure valve
Below water pump (AC220V)
Right grinder DC250V
Right grinder DC250V
Transformer(AC220)
Power switch (AC220V)
Milk cooler
connection
07~08 Water inlet valve
05~06 Water tank inlet valve
03~04 Air valve
01~02 2-way valve
05~06 3-way valve
03~04 Cleaning valve
01~02
Steam valve
11~12 Ice coffee valve
09~10 Water supply valve for steam
07~08 Drinks hot water valve
05~06 Powerful hot water wand valve
03~04 Hot water wand valve
01~02 Pressure relief solenoid valve