Table of Contents
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21.3
Connectors electric diagram
CN1
Connection of groups 1 e 3 heating elements
CN2
Connection of groups 2 e 4 heating elements
CN3
Connection of services boiler's heating elements
CN4
Connection of coffee boiler pressure switches
CN5
Connection of volumetric dosers and services boiler levels
CN6 - 12
Not used
CN13
Connection of RS232 serial socket
CN14
Connection of display/CPU
CN15
Connection of NTC temperature sensors
Mains pressure, humidity sensor and boiler press. tranducer
CN16
supply
CN37
CN36
CN35
CN34
CN33
CN32
CN31
FS2
FS1
CN30
CN15
CN17
CN18
CN19
JP4
CN13
JP5
Technical manual
CN3
CN2
F9
F8
DL17
DL12
DL11
DL10
F10
CN38
SW2
SW1
CN14
Display
+5V
IC13
JP1
PRG
JP2
JP3
+9V
CN5
CN4
CN16
CN17
Connection of NTC services boiler
CN18
Connection of NTC autosteamer
CN19
Connection of NTC cup heater
CN20 - 21 Not used
CN22
Wiring of circuit board
CN23
Connection of 230V AC outputs
CN24
Connection of 230V AC outputs
CN25
Connection of heating elements for hot water containers 1 and 3
CN26
Connection of heating elements for hot water containers 2 and 4
CN27 - 38 Not used
CN1
DL4
F6
DL5
DL6
DL8
DL9
+24V
DL7
RL1
RL2
RL3
+12V
RL4
RL5
RL6
RL7
F7
RL8
RL9
RL10
RL11
RL12
TRF1
RL13
DL1
DL2
DL3
CN22
F2
CN26
F3
F4
CN25
F5
F1
CN24
CN23
71
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