Table of Contents
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CN4
- Connection of RS 232 serial socket
4
3
CN13
2
1
CN14
- Connection to display/CPU
2
1
3
5
7
CN14
9
11
13
15
16
CN17
- Connection of NTC temperature sensors
GI
1
2
BB
3
4
VE
5
6
BN
8
7
CN15
AR
9
10
BM
11
12
VI
13
14
NR
15
16
CN16
- Mains pressure, humidity sensor and boiler press. tranducer supply
1
2
3
4
CN16
6
5
7
8
9
10
Technical manual
RX IN
TX OUT
+5V
NTc1
GI
+NTc1
NTg1
BB
+NTg1
NTc3
VE
+NTc3
NTg3
BN
+NTg3
NTc2
AR
+NTc2
NTg2
BM
+NTg2
NTc4
VI
+NTc4
NTg4
NR
+NTg4
BB
NE
VE
GR
BM
NE
AA
Wiring of the autost. air pump
AR
Orange
BB
White/Blue
BI
White
BL
Blue
BM
White/Brown
Bn
White/Black
DS
Volumetric dosing device
EVA
Autosteamer solenoid valve
EVgr
Group solenoid valve
EVC
Boiler filling solenoid valve
EVt1
Water solenoid valve
EVt2
Water solenoid valve 2
EVM
Water mix solenoid valve
GI
Yellow
GR
Grey
GV
Yellow-Green
LC
Boiler level
LS
Safety level
MA
Brown
N
Neutral
NE
Black
NTA
NTC autosteamer probe
NTB
NTC services boiler probe
NTc
NTC coffee boiler probe
NTg
NTC group probe
NTs
NTC cup heater probe
PH
Phase
PO
Pump
PRC
Coffee boiler pressure switch
RG
Group heating element
RH
Water heating element
RO
Red
RR
Heating element
RS
Static relay
TS
Safety thermostat
TP
Coffee boilers pressure transducer
+5V
TPR
Pressure transducer
TS
Safety thermostat
GND
PCS
STZ
Cup heater
TPR
SUR
Humidity sensor
SUR
VE
Green
GND
VI
Violet
73
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