| Model | Name | Instruction |
| A-01 | Meter Delayed | It will not regenerate although the available volume of treated water drops to zero (0).Regeneration will start until at the regeneration time. |
| A-02 | Meter Immediate | Regenerate immediately when the available volume of treated water drops to zero(0). |
| A-03 | Intelligent Meter Delayed | Meter Delayed Regeneration type, by setting resin volume, feed water hardness, regeneration factor, the controller will calculate the system capacity. |
| A-04 | Intelligent Meter Immediate | Meter Immediately Regeneration Type, by setting resin volume, feed water hardness, regeneration factor, the controller will calculate the system capacity. |