I just bought a new Intelliflo VS pump to replace my old Whisperflo single speed pump. I also bought the Zodiac IQ900-RS upgrade kit for my Jandy controller (Aqualink RS6). The pool store said this was all I would need but I'm wondering if I need the Pentair Intellicom II adapter to be able to allow the controller to command the pump with different run speeds depending on whether I am just filtering or if I need greater speed for heating jacuzzi. Can anyone help? For now, can I just hook it up to run at a single speed?