Sequence Of Cycle; Flushing And Changeover Times - praher Aquastar Comfort 3000 Bedienungsanleitung

10. Sequence of cycle

Starting position FILTER – device ON
− Start of backwash cycle by pressing the test key on the keyboard
− Control lamp 'test key' for backwash cycle activated is illuminated
− Output 'heating' clamp' [22]-[21] switches off
− Set time of potentiometer
− Output 'pump' clamp [13]-[14] switches off (no continuity)
− Output 'serial connection' switches from clamp [19]-[20] to [18]-[19]
− Output ball valve switches from clamp [G]-[3] to [G]-[4]
Valve goes to backwash position
− Pump time delay of approx. 20 sec. elapses
− Output 'pump' clamp [13]-[14] closes
− Output 'backwash' switches to clamp [26]-[27]
− Set time of potentiometer
− Output 'pump' clamp [13]-[14] switches off
Valve goes to rinsing position
− Output 'rinsing' switches to clamp [24]-[25]
− Pump time delay of approx. 20 sec. elapses
− Output 'pump' clamp [13]-[14] closes
− Set time of potentiometer
− Output 'pump' clamp [13]-[14] switches off
Valve goes to filter position
− Output 'ball valve' switches from clamp [G]-[4] to [G]-[3]
− Pump time delay of approx. 20 sec. elapses
− Output 'pump' clamp [13]-[14] closes
− Output 'heating' switches to clamp [21]-[22]
− Output ‚serial connection' switches to clamp [19]-[20]

11. Flushing and changeover times

Time delay
Changeover
Filter - Backwash
Backwash
Changeover
Backwash time – Rinsing
Rinsing
Changeover
Rinsing – Filter
Cycle time
www.praher.com
(time delay) elapses (cooling down time for heat exchanger)
1
elapses (rinsing period)
2
elapses (rinsing period)
3
20 sec. - 23 min.
1
50 sec. - 9 min.
2
25 sec. – 200 sec.
3
3 min – 40 min.
ca. 45 sec.
ca.35 sec
ca.25 sec
GB
9