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21 Nov 2012 Warning. Carry out the foundation or installation in accordance with the following instructions. Grundfos recommends that you install the pump on a concrete. English (GB). Original installation and operating instructions. These installation and operating instructions describe Grundfos CR, CRI and CRN pumps, 0.37 -. Water Pump Grundfos CR Series Installation And Operation Manual Water Pump Grundfos CR-H Installation And Operating Instructions Manual. (64 pages). CRE: Centrifugal pump with a Grundfos MLE variable frequency drive motor. installation instructions which are included in the pump packing. Warning.Service instructions. CR, CRI . Replacing the shaft seal of pumps with spacer coupling . . S = Silicon carbide bearings and PTFE neck rings (standard in CR). Cool Top™ is a trademark of Grundfos Pumps Corporation. Graflon® . Pump without Motor (CR(N)32, CR(N)45, CR(N)64 & CR90 Only): If you purchased a Read the seal installation instructions which are included in the pump package. 3. in accordance with Grundfos' printed installation and operating instructions. To obtain service The CR range is based on the inline multistage centrifugal pump. 29 Jan 2013 Service instructions. CR 1, CR 3 and CR 5. Model A. 50/60 Hz. 1/3~. 96546866 0407. GB. 1 / 19. 1. . Dismantling and assembly of base and pump head .