7700 SXT
21
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4 - VALVE OPERATION
Timeclock regeneration
The number of days between each regeneration cycle is preset. Once reached, regeneration is
triggered at the programmed time.
7 day time clock regeneration
The regeneration is based on the days of the week: Monday, Tuesday,… Sunday. The electronics
will trigger a regeneration based on the defined days of the week at the set time.
Metered regeneration
The valve calculates the amount of water it can soften between 2 regenerations based on the
exchange capacity (m
3
°tH) and inlet water hardness that are preset.
Immediate or meter delayed regeneration
As softened water is used, the remaining volume display will decrease until reaching its reserve
capacity (meter delayed regeneration) or until zero (immediate metered regeneration). When
this happens, regeneration is automatically triggered either straight away or at a preset time.
Service
Service display
In operation, in volumetric mode, the time of the day and the volume remaining will alternatively
be displayed. In chronometric mode, the display alternates between the time of day and the
remaining days.
Time of day Remaining volume: 2350 litres Remaining days before next
regeneration
Time of day setting
Press and hold the buttons or until the icon and the letters « TD » appear on the
display.
Use and buttons to adjust, then press the button to return in service.
If the remaining volume is superior to 9999 litres, “x1000” appears to
indicate that the numbers shown have to be multiplied by 1000
Ex: 10.5x1000 = 10500 litres of capacity.
4.1
4.1.1
4.1.2
In volumetric regeneration mode, these two displays indicate:
- Fig. 1: “consumed” reserve, 180 litres remaining (or available ?)
- Fig. 2: exhausted reserve, immediate or delayed start in regeneration
depending on the adjustment.
In delayed volumetric mode, the icon flashes as soon as the reserve
(if there is) begins to be used.
Fig.1
Fig.2
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