18For optional pump.Power supply: AC230V/50Hz, <500WRecommended part: Yonos 25/6: made by Wilo• For optional mixing valve.Power supply: AC230V/50Hz (input open/output close)Operating time: 30s~120sRecommended part: 167032: made by CaleffiWARNINGThis section is for authorized and licensed electrician/water systeminstaller only. Work behind the front plate secured by screwsmust only be carried out under supervision of qualifi ed contractor,installation engineer or service person.Network Adaptor 4 Installation1. Remove the Control Board Cover 5, then connect the cableincluded with this adaptor to the CN-CNT connector on theprinted circuit board.• Pull the cable out of the Tank Unit so that there is no pinching.• If an Optional PCB has been installed in the Tank Unit, connectto the CN-CNT connector of the Optional PCB.2. Insert a fl at head screwdriver into the slot on the top of theadaptor and remove the cover. Connect the other end of theCN-CNT cable connector to the connector inside the adaptor.SlotConnector3. Pull the CN-CNT cable through the hole in the bottom of theadaptor and re-attach the front cover to the back cover.CN-CNT cable(Take care not topinch the cable)4. Fix the Network Adaptor 4 to Network Adaptor Holder.Guide the cable as shown in the diagram so that external forcescannot act on the connector in the adaptor.Connection examples:CN-CNT cableNetworkAdaptorHolderWithout Optional PCBCN-CNT cableNetworkAdaptorHolderWith Optional PCB