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Grundfos Cu301 Troubleshooting
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Question: What do the colored lights on the Magna refer to?
Answer: Each color and rotation provides status information at a quick glance. It is helpful especially helpful when the pumps are in ceilings. Aside from the Magna series, this feature is now on the newly expanding ECM pumps up to 15 HP such as the CRE, CRE-DP, VLSE and CMBE series. Newtone vs melodyne. Below is the reference Grundfos “eye chart” that explains specifically what each display means:
Dimensions of the CU 3X2, see section EU/IEC: Dimensions. Page 6: Emc-Correct Installation The CU 3X2 is normally mounted in a panel which also contains an IO 351 module, contactors and other power equipment. The panel can also contain other Grundfos modules and frequency converters. CU 352 The CU 352 multi-pump control unit of Control MPC is located in the door of the control cabinet. 3 CU 352 The CU 352 features a colour display, ten buttons and two indicator lights. The control panel enables manual setting and change of parameters such as setpoint. The CU 352 has application-optimised software for. Grundfos Hydro MPC systems are made to very high standards. Thanks to the CU 352 controller, they handle even the most difficult pumping applications with ease and accuracy. Literature - MPC Boosting Brochure / MPC HVAC Brochure / MPC CME Datasheet - MPC Data Booklet / MPC Installation & Operation Guide - MPC-E Integrated VFD/PM Motor Spec Sheet.
Grundfos Cu 352 Controller Manual
Keep in mind that when the eye is yellow it is a important “warning” and the pump will continue to run. However, the cause needs to be addressed with a sense of urgency. If it turns red, game over because it stops dead. For more info on Magna fault codes, go to the Magna 3 FAQ section for the most common errors and fixes at https://pumphvac.com/magna-3-faqs/