Danfoss VLT Series Operating Instructions Manual

Also see for VLT series: Service manual Installation guide Operating instructions Operating instructions Service manual

Danfoss VLT Series Operating Instructions Manual Manual pdf 8 page image

• Connect the control cables and relief the cables by the enclosed cable strips.• Various systems must not be mixed.• Fit the extended cradle and terminal cover.• Replace the LCP• Connect power to the frequency converter.Wiring the TerminalsDo not combine low voltage parts and PELV systems.1.3.2 Advanced Cascade Controller MCO 102The MCO 102 option supports a maximum of 8 pumps and is able to alternate the lead pump with 2 frequency converter relays per pump. This reducesthe need for external auxiliary switches as well as cost of installation.When MCO 102 (C-option) is used, the number of relays can be increased to a total of 13 by adding the MCB 105 (B-option).NB!Before start, interrupt the power supply to the frequency converter. Never install an option card into the frequency converter duringoperation.Electrical Data:Max terminal load (AC) 240 V AC 2AMax terminal load (DC) 24 V DC 1 AMin terminal load (DC) 5 V 10 mAMax switching rate at rated load/min load 6 min-1/20 sec -11 Extended and Advanced Cascade ControllerOption VLT® Operating Instructions8 MI.38.C3.02 - VLT® is a registered Danfoss trademark1