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3. Technical Data
3.2
System control
Please find the technical data from the enclosed operating instructions.
3.3
Float valve
Operating temperature
30°C max.
Operating pressure
0.3 – 4.5 bar (if there is too strong water pressure a pressure reducer must
be installed!)
Flow rate max.
depending on the line pressure between 1.2 and 3.6 m
3
/ h
Connections
3
/
4
“ AG
3.4
3 way switch-over valve
Voltage / Frequency
230 V / 50Hz
Output
6 W (bei Ventilbewegung)
Flow rate max.
16 m
3
/h
Opening time
ca. 10 sek
Close time
ca. 5 sek
Pressure max.
10 bar
Allowable pressure differential 0.7 bar
3.5
Pressure and flow rate sensor „Controlmatic“
Voltage / Frequency
230 V / 50 Hz
Protection classification
IP 44
Flow rate max.
10 m
3
/h
Flow rate min.
0.1 m
3
/h
Operating pressure max.
10 bar
Opening pressure min.
1.5 bar
Opening pressure max.
2.6 bar
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
Single phase AC motor 220 – 240 V / 50 Hz with integrated overload
protection IP 44, isola-tion class F.
3.6.1 SILENTIO 15/4
Power requirement
660 W
Pump head height max.
35 m
Pressure max.
3.5 bar
Pump discharge rate max.
3600 l/h (see also Diagramm 2)
Suction height max.
6 m
Suction length max.
15 m
Concerning suction height as a function of the suction length see also diagram 1.
