Necta Koro - Push-Button Board; Boiler Control Board

NW Global Vending – TECHNICAL MANUAL
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New dispenser “KORO” 07/10/2005 page 23 / 42
17 - PUSH-BUTTON BOARD
18 - BOILER CONTROL BOARD
1 - Selection buttons
2 - Not used
3 - To mechanical counter (optional)
4 - To actuation/CPU board
5 - Input
6 - Display adjustment trimmer
7 - To display
8 - 12 Vdc validators
9 - Not used
10 - RS232 serial port
11 - Not used
12 - Programming access button
13 - Wash button
14 - Display card
Triac board
This board is controlled by the machine board and is
powered under 230 V AC.
It used for controlling and starting the boiler heating
element.
Connector J2 is connected to a 230V AC phase
Connector J1 receives the information from the SM
board
that sends a consent signal to activate the triac for the
power supply to the heating element.
6
4
STRC
2
3
5
7
8
9
10
11
12
13
1
14