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Barnstead Thermolyne Corporation D4505 Operation Manual
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Contents
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9. Close inlet and outlet valves.10. Allow the disinfecting solution to standfor one half hour.11. Open the inlet and outlet valves andflush the system for 10 minutes.12. Close the shutoff valve on the inletside of the system and open the out-let valve to depressurize the system.13. Carefully remove the canister(s) fromthe system, and discard the solutionremaining from the canister(s). Do notrinse the canister(s).14. Install fresh cartridge(s) in the systemas explained in Initial Operation.15. Turn to the Operation section of thismanual for filling procedure and nor-mal operation.Cleaning the Resistivity CellClean the resistivity cell as follows:1. Disconnect power to the system.2. Close the shutoff valve on the inletside of the system.3. Open the outlet valve.4. Remove meter and cell assemblyfrom the head.5. Wash the cell in a mild detergentsolution or a 10% inorganic acid solu-tion (follow chemical manufacturer’s17MAINTENANCE AND SERVICINGWarningDepressurize system prior toattempting to remove meter andcell assembly.CautionThe cell electrodes are etched toimprove wetting characteristics.Do not mechanically abrade ordamage this surface. |
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