Installation and operating manual for WATERFRIEND -Chlorine MRD-3 Page 4
Device informations .................................................................................................................................. 35
Configuration of the metering pumps ....................................................................................................... 35
Raise pH <=> lower pH ............................................................................................................................ 35
Function of the third metering pump (option) ........................................................................................... 36
Bidirectional control for pH (pH+ and pH-) ............................................................................................... 36
Touchscreen calibration ........................................................................................................................... 36
Calibration of the temperature sensor ...................................................................................................... 37
Additional settings via the LAN interface ................................................................................................... 37
Maintenance ................................................................................................................................................... 38
6-monthly service ....................................................................................................................................... 38
Sealtightness ............................................................................................................................................ 38
Dirt filter .................................................................................................................................................... 38
Injection valves ......................................................................................................................................... 38
pH electrode ............................................................................................................................................. 38
ORP electrode .......................................................................................................................................... 38
Metering pumps ........................................................................................................................................ 38
Annual service ............................................................................................................................................ 38
Replacing ORP and pH electrodes .......................................................................................................... 38
Replacing the metering hose .................................................................................................................... 38
Decommissioning .......................................................................................................................................... 39
Electrodes ................................................................................................................................................. 39
Flow fitting................................................................................................................................................. 39
Metering pumps ........................................................................................................................................ 39
Wear parts ...................................................................................................................................................... 39
Shipment of the dosing system ................................................................................................................... 41
