Author: Rich Fredette
-
Alpha2 – Installation & Operations Manual
-
High Efficiency Circulators The Grundfos ALPHA2 is versatile and efficient whether you use one of its seven speed or pressure control settings or simply leave it on the factory setting AUTOADAPT™. The ALPHA2 with its ECM motor design reduces energy consumption by 50%, and in AUTOADAPT mode, will automatically analyze the heating system, find the…
-
MAGNA3 – Conversion Guide
Time to get rid of your old energy consuming HVAC pumps and upgrade to Grundfos high-efficiency and maintenance free pumps. Below is the most recent competitive cross reference guide that has been updated with the Magna 3 and TPE3 series. For assistance in upgrading Grundfos from older or competitive models, contact your nearest wholesaler or…
-
NBSE – Installation & Operations Manual
The Grundfos NBSE split-coupled, factory permanently aligned end-suction pump with integrated permanent magnet motor, drive, and control serves as the industry standard in performance, quality, and durability. These products allow for dynamic and intelligent solutions to many commercial building andindustrial applications
-
-
Alpha2 – Product Guide
-
Magna 3 Q&A – Surging Pump?
Question: I have a Magna 3 that often surges and cannot figure out what is the cause? Answer: The most common reason for a Magna surging is do to the pump being incorrectly wired. Check to see if the power is being cycled on and off. As shown in the diagram below, the motor is…
-
Magna 3 Q&A – GPM readout Accuracy?
Question: How accurate is the GPM readout on the Magna display? Answer: For most applications, it is accurate to the actual flow. However, if the duty point is far to the left or right of the pump curve, it will diminish. In this case, there can be a 5%-10% differential between actual flow. In a…
-
Magna 3 Q&A – How to wire single to three phase power
Question: How do I wire a single phase Magna 3 to the available three phase? Answer: The Magna 3 accepts a single-phase power input; however, it is common in many installations to replace an existing three-phase pump with the Magna 3 by simply using two “hot legs” and ground to provide the appropriate supply voltage…
-
Magna 3 Q&A: FLANGE KITS
Question: What flange kits fit the multiple Magna models? Answer: Below is a list of both the cast iron and bronze Magna flange kits: