N&W Global Vending Koro Prime Espresso Installation, Operation & Maintenance Manual
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© by N&W GLOBAL VENDING S.p.A. 47 01-2016 4875 00CPU ACTUATION BOARD- To process the information from the user interfaceboard and the payment system;- To process input signals;- To activate/deactivate users and boiler boards;The board is supplied by 15 Vac voltage, which is recti-fied and stabilised at 12 Vdc by the board itself.15 Vac voltage is supplied by the transformer.The transformer is protected by a 125 mA T fuse on theprimary winding and by a 1.25 A T fuse on the second-ary winding.RE-LAYUSER*EspressoUSER*Espresso cappuccinatoreK1 PM PMK2 not used not usedK3 MF MFK4 ESC** ESC**K5 ER ERK6 not used ELAVK7 M MK8 ESP1 ESP1K9 EV1 EV1K10 MD1 MD1K11 EV2 EV2K12 not used EEAVAPK13 MD2 MD2K14 EEA *** EEA ***K15 not used EVVAPK16 MAC MAC*See the wiring diagram** models with volumetric doser*** models supplied by the water mainsK8K5K9K11K13K15K16K14K12K10K1K3K4K2K6K712345 6789101112131415161718192122 2023Fig. 321- (J8) SPI connection2- (J1) Up Key connector3- (J12) Board supply4- Relay K1-...-K165- (J7) Users6- (J6) Users7- (J3) Cappuccinatore control signals8- (JP4) CAN-BUS 2 jumper9- (J11) CAN-BUS connection10- (J15) CAN-BUS 2 connection11- (J10) CAN-BUS connection12- (JP1) CAN-BUS jumper (closed)13- (J5) Relay expansion board (if any)14- (J4) Boiler control probes and boards15- (DL2) Boiler red led means heating steam (models withcappuccinatore)16- (DL1) Boiler red led means heating espresso17- (J2) Input signals18- (DL4) Red led “board reset”19- (J9) Not used20- (DL3) Green led “run”21- (DL5) Yellow led “+”5V applied22- (J14) User interface board23- (J13) Expansion board for payment systems |
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