System Control; Float Valve; Way Switch-Over Valve; Pressure And Flow Rate Sensor „Controlmatic - Graf AQUA-CENTER SILENTIO 15/4 Notice D'installation Et D'entretien

3.2

System control

Please find the technical data from the enclosed operating instructions.
3.3

Float valve

Operating temperature
Operating pressure
Flow rate max.
Connections
3.4

3 way switch-over valve

Voltage / Frequency
Output
Flow rate max.
Opening time
Close time
Pressure max.
Allowable pressure differential 0.7 bar
3.5 Pressure and flow rate sensor „Controlmatic"
Voltage / Frequency
Protection classification
Flow rate max.
Flow rate min.
Operating pressure max.
Opening pressure min.
Opening pressure max.
Restarting after dry running the pump is possible by means of the "RESET" button.
If there is a water pressure hammering in the system due to the rapid closing of valves (e.g. solenoid valve
in the high pressure cleaner) then please contact the GRAF Company.
3.6

Pump

Drive unit
3.6.1 SILENTIO 15/4
Power requirement
Pump head height max.
Pressure max.
Pump discharge rate max.
Suction height max.
Suction length max.
Concerning suction height as a function of the suction length see also diagram 1.
info@graf-online.de
www.graf-online.de
3. Technical Data
30°C max.
0.3 – 4.5 bar (if there is too strong water pressure a pressure reducer must
be installed!)
depending on the line pressure between 1.2 and 3.6 m
3
/ " AG
4
230 V / 50Hz
6 W (bei Ventilbewegung)
3
16 m /h
ca. 10 sek
ca. 5 sek
10 bar
230 V / 50 Hz
IP 44
3
10 m /h
3
0.1 m /h
10 bar
1.5 bar
2.6 bar
Single phase AC motor 220 – 240 V / 50 Hz with integrated overload
protection IP 44, isola-tion class F.
660 W
35 m
3.5 bar
3600 l/h (see also Diagramm 2)
6 m
15 m
page 15 of 44
3
/ h