37
LSI 090 - Rev. 00 - Ed. 04/2018
8.
DIAGRAMS FOR ELECTRONIC BOARD CONNECTIONS
LEGEND:
1
= Transformer connection 10 V ac
2
= Connection for static relays
3
= Boiler water level probe connection
4
= Boiler temperature probe connection PT1000
5
= Button connection for hot water delivery
6
= Connection for boiler water level float
7
= Volumetric counter for 4th group from the right
8
= Volumetric counter for 3rd group from the right
9
= Volumetric counter for 2nd group from the right
10
= Volumetric counter for 1st group from the right
11
= Connection for keyboard of 1st group from the right
12
= Connection for keyboard of 2nd group from the right
13
= Connection for keyboard of 3rd group from the right
14
= Connection for keyboard of 4th group from the right
15
= Connection for programming keyboard
16
= Serial connection TTL
17
= Connection for 7-segment display
18
= Solenoid valve for hot water delivery for infusions
19
= Solenoid valve for boiler water filling
20
= Solenoid valve, 4th group from the right
21
= Solenoid valve, 3rd group from the right
22
= Solenoid valve, 2nd group from the right
23
= Solenoid valve, 1st group from the right
24
= Motor pump connection
25
= Cup warmer heating element connection
26
= Phase connection 230 Vac
8.1
ELECTRONIC CONTROL BOARD
