3
Contents
Section 1. –
Introduction ............................................................................................................ 4
1.1
easyCHEM
770 Display and Controls ............................................................................................... 5
1.2
easy
CHEM
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
easy
CHEM
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 easy
CHEM
770 ......................................................................................................... 40
Section 7. –
Troubleshooting .................................................................................................. 41
7.1
General Error Messages from the easy
CHEM
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
