N&W Global Vending Colibri UL 120V Use And Installation Manual
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© by N&W GLOBAL VENDING SpA 28 02-2007 266 00PRINTED BOARD FUNCTIONSAND INDICATOR LAMPSCONTROL BOARDThis board, placed at the back of the machine, (see fig. 28)processes the information from the push-buttons and fromthe payment system; it also controls the actuations and thepush-button board.The 15 V AC voltage required for board operation issupplied by a transformer which is protected by a 160 mATfuse on the primary and by a 1.25 AT fuse on the secondarywinding. The voltage supply is rectified and stabiliseddirectly by the board.The board also houses the EPROM (see fig. 28).- the yellow LED indicates the presence of 12 V DC;- the green LED blinking indicates that the microprocessoris working correctly;- the red LED indicates the operating status of the boilerheating element.RELAY CARDSThe 2 relay card is controlled by the actuation board andcontrols some of the 120 V~ power users in the automaticmodels.Fig. 271 - 120 V~ users2 - RAM3 - EPROM4 - Input signal5 - Green LED6 - Not used7 - To the push-button board8 - Expansion board for payment systems (optional)9 - Yellow LED10 - Board power supply11 - Red LED12 - Boiler heating element triac13 - To boiler heating element14 - 120 V~ users15 - Relays K1÷K1516 - C.P.U. board17 - Transformer fuses18 - 2-relay expansion board (automatic models only)Fig. 28RELAY ESPRESSO INSTANTK1 ER E3K2 ESC MD3K3 MAC MF2K4 PM PM/EIAK5 M MD4K6 EV2 EV2K7 EV1 EV1K8 MF1 MF1K9 MD3 MD3K10 MD2 MD2K11 MD1 MD1K12 EIA EIAK13K14K15 MD4 MD4RELAY POWER USERK1K2 MSCBK3 MSB |
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