USE ONLY HAYWARD GENUINE REPLACEMENT PARTS
Page 10 of 13
EZ-CHEM
Rev. D
Setting the treatment mode
This device is used to set:
- pH only: pH mode
- disinfectant only (ORP): Redox mode
- both pH and disinfectant (ORP): pH + Rx mode
The Redox or pH+Redox mode can only be activated with the ORP option sold separately.
If you do not have the ORP option, please set the device to pH mode only.
To select the treatment mode:
Program
Configuration
press
then enter using
.
Select the treatment mode using
or
and confirm with
.
Setting the pH set point
The device must be in pH mode or pH+Rx mode.
Program
Configuration
press
three times then enter using
.
Set the pH set point using
or
and confirm with
.
Ideally, the pH must be set to between 7.2 and 7.6.
Setting the ORP set point (only with the ORP option)
The device must be in pH+Rx mode.
Program
Configuration
press
five times then enter using
.
Set the ORP set point using
or
and confirm with
.
Ideally, ORP must be set to between 650 and 850.
Note: press
twice only in "Redox" mode to set the ORP set point.
Priming the pumps
Hold down the
button to prime the pH pump.
Hold down the
button to prime the disinfectant (Chlorine) pump (only with the ORP option).
