



Grundfos CU351 - Control unit Grundfos CU351. This wall mounted system maintains a constant pressure within the maximum pump performance in spite of varying water consumption.CU 351 serves as the controller for Grundfos Hydro MPC booster sets and Control MPC systems. The Grundfos CU 321 is a constant pressure control system designed for use with 4' larger Grundfos SP pumps and motors. IO 351 The IO 351 is a module for exchange of digital. The CU 352 has application-optimised software for adapting the system to the application in question. The control panel enables manual setting and change of parameters such as setpoint. The CU 352 features a colour display, ten buttons and two indicator lights.1.1 Description The system maintains a constant pressure within the maximum pump performance in spite of a varying water consumption. Constant-pressure control CU 301 The control unit CU 301 is for use only with Grundfos CU 301 SQE pumps incorporating electronic power factor correction (PFC).The speed-controlled operation alternates between the pumps.-S Two to six mains-operated pumps TM03 9956 4707 Pos. Series 2000 Two to six MAGNA, UPE or TPE Series 2000 pumps-F Two to six pumps connected to a Grundfos CUE frequency converter. Two to six pumps connected to a Grundfos CUE frequency converter - one per pump.
