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Contents
Section 1. – Introduction............................................................................................................ 4
1.1 easyCHEM 770 Display and Controls............................................................................................... 5
1.2 easyCHEM 770 Connectors.............................................................................................................. 5
1.3 Summary of Keypad Buttons............................................................................................................. 6
1.4 Unpacking Information....................................................................................................................... 7
Section 2. – Installation.............................................................................................................. 8
2.1 Plan the installation............................................................................................................................ 8
2.2 Install the Sensor and Injection Tee.................................................................................................. 8
2.3 Fit Tubing into Chemical Drums ........................................................................................................ 9
2.4 Fit Tubing to Dosing Pumps .............................................................................................................. 9
2.5 Mount Controller and Make Electrical Connections ........................................................................ 10
2.6 Switch on and Select Pool Size....................................................................................................... 11
2.7 Prime the Dosing Pumps................................................................................................................. 11
Section 3. – Operating Instructions ........................................................................................ 12
3.1 Checking and Setting the ORP Set Point........................................................................................ 12
3.2 Checking and Setting the pH Set Point...........................................................................................13
3.3 Selecting Auto or Standby Modes................................................................................................... 14
3.4 Selecting the Pool Pump Timer Cycle.............................................................................................15
3.5 To Switch the Pool Pump ON manually .......................................................................................... 19
3.6 To Switch the Pool Pump OFF manually......................................................................................... 19
3.7 Pumping to Waste ........................................................................................................................... 20
3.8 Backwashing the Pool Filter ............................................................................................................ 21
3.9 easyCHEM 770 Display Messages................................................................................................. 22
Section 4. – Peristaltic Dosing Pumps ................................................................................... 23
4.1 Lubricating the Pump Tubing........................................................................................................... 23
4.2 Replacing the Pump Tubing ............................................................................................................ 23
4.3 PUMP Error Message...................................................................................................................... 24
Section 5. – Sensor Calibration............................................................................................... 25
5.1 Temperature Calibration.................................................................................................................. 25
5.2 pH Calibration.................................................................................................................................. 27
5.3 ORP Calibration............................................................................................................................... 29
5.4 Action in case of Failed ORP Calibration ........................................................................................30
Section 6. – User Settings........................................................................................................ 31
6.1 Setting the Clock.............................................................................................................................. 31
6.2 Emergency ShutOFF timer.............................................................................................................. 32
6.3 Control Setup................................................................................................................................... 34
6.4 Alarms.............................................................................................................................................. 37
6.5 Super-Chlorinating........................................................................................................................... 39
6.6 Resetting the easyCHEM 770 ......................................................................................................... 40
Section 7. – Troubleshooting .................................................................................................. 41
7.1 General Error Messages from the easyCHEM 770......................................................................... 41
7.2 General Faults................................................................................................................................. 41
7.3 ORP Troubleshooting...................................................................................................................... 41
7.4 pH Troubleshooting ......................................................................................................................... 42
7.5 Temperature Troubleshooting ......................................................................................................... 42
7.6 Instrument firmware version number............................................................................................... 42
7.7 Output Fuse Replacement............................................................................................................... 43
Section 8. – easyCHEM 770 Specifications............................................................................ 44
Section 9. – Warranty ............................................................................................................... 45
