Wega EMA Use And Maintenance Manual

TECHNICIANS' manual76 of 100
12.7.14 Wiring diagram code WY18090051 - WY18090052
(
*
) Fuses for UL versions where
a plug with a capacity greater
than 30 A is installed
APL Milk pump supply
BI White
BL Blue
CAB Power cable
CAL Heating unit
CN1 Power supply connector
CN2 Low voltage connector
CN3 Display card conn. connector
CN4 Serial transmission connector
CN5 Programm. connector ISP
CN10
GR1 pushbutton panel connector
CN11 GR2 pushbutton panel connector
CN12 GR3 pushbutton panel connector
CN13 Automatic SW/capp. connector
CN14 Steam outlet connector
CN16 Steam NTC connector
CN17 Heating unit NTC connector
CN18 Cup warmer NTC connector
CPL Milk pump command
CT Power supply connector
CV1 GR1 volumetric counter
CV2 GR2 volumetric counter
CV3 GR3 volumetric counter
EV1 GR1 solenoid valve
EV2 GR2 solenoid valve
EV3 GR3 solenoid valve
EVA Air solenoid valve
EVC
Heating unit lling solenoid valve
EVCAP Cappuc. mak. solenoid valve
EVT Tea solenoid valve
EVV Steam solenoid valve
F1 Inlet fuse (6.3 A)
F2 Motor pump fuse (500 mA)
FP1(*) UL (OPD) Motor pump fuse
FP2(*) UL (OPD) Fuse for 230 V
GR Grey
GV Yellow-green
IC9 Microprocessor
IG Main switch
IM1 GR1 manual switch
IM2 GR2 manual switch
IM3 GR3 manual switch
IST Cup warmer switch
LA Indicator light
MA Brown
MP Motor pump
NE Black
PL Milk pump
PR Pressure switch
RE Heating element
RO Red
SA Safety heating element
SCT Cup warmer heating element
TLR Remote switch
TRF1 Transformer
VE Green
SL
NE
BL
NE
MA
MA
MA
RO
BL
VE
VE
VE
VE
CV3CV2CV1
CN2
F2
CN5
TRF1
CN1
CN4
JP3
JP7
JP4
JP6
IC9
JP8
JP16
JP1
JP17
JP18
JP2
JP9
JP15
CN12
CN11
JP5
CN10
RL9
F1
CN14
CN3
JP10
GND
RX
+5V
TX
CN16
CN15
CN17
RL8
RL6
RL4
RL3
RL2
CN13
RL1
JP12
JP14
MB
VE
CN18
VE
BL
VE
BL
VE
BL
RO
RO
RO
RO
RO
RO
BI
RO
CN20
CN19
RO
BL
CT
SCT
IST
LA
LST
PR
SA
RE
TLR
IG
R
S
T
N
MA
BL NE GR
CAB
MA
BL
PL
APL
CPL
EVCAP
EVV
EVA
CAL
IM1
IM2
IM3
EVT
EV1
EVC
EV3
EV2
MP
GV
FP1FP2
OOO
1
3
5
13
2
4
6
14
L1
L2
L3
NO
T1
T2
T3
NO
A1 A2
JUMPER
INSERTED NOT INSERTED
JP1
Serial transmission enabled Serial transmission disabled
JP2 Not managed Not managed
JP3 Programming key connection
JP4
Filling the heating unit with the pump Filling the heating unit without the pump
JP5 Tea button connection
JP6
Dispensing tea with the pump Dispensing tea without the pump
JP7 Continuous function disabled Continuous function enabled
JP8 Dose count enabled Dose count disabled
JP9 Credit/Debit enabled Credit/Debit disabled
JUMPER
INSERTED NOT INSERTED
JP10 Tea button 2 connection
JP12 Not managed Not managed
JP14 Not managed Not managed
JP15
Display function buttons enabled Display function buttons disabled
JP16 6-button pushbutton panel enabled 4-button pushbutton panel enabled
JP17 Heating unit temp. check with external pressure switch (always on)
JP18 Heat.temp./press. management always ON (always inserted)
JP19 Programming via Indar

Wega EMA Specifications

General

Brand	Wega
Model	EMA
Category	Coffee Maker
Language	English