English (US) Safety instructions 1. Symbols used in this document Original safety instructions CONTENTS Warning If these safety instructions are not Page observed, it may result in personal Symbols used in this document injury. Type key Warning Pumped liquids If these instructions are not observed, Installation it may lead to electric shock with 4.1 Changing the control box position...
2. Type key Code Example MAGNA1 -120 Type range MAGNA1 Single-head pump Twin-head pump Nominal diameter (DN) of suction and discharge ports [mm] Maximum head [dm] Pipe connection Threaded Flange Port-to-port length [mm]...
3. Pumped liquids 5. Electrical connection The pump can be used for pumping water/glycol Carry out the electrical connection and mixtures up to 50 %. protection according to local regulations. If rigid conduit is to be used, the hub must be Warning connected to the conduit system before it is Do not use the pump for flammable...
Warning The following average disposal values apply to Before dismantling the pump or all variants of Grundfos MAGNA1 pumps: related parts, drain the system and • 85 % recycling close the isolating valves on both •...
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