16
English
If the controlling equipment does not have 18-24V DC voltage output as above, but has 24V AC, 230V AC,
12V AC, or 12V DC etc. signal output, a suitable relay (the coil voltage must be the same as the signal output
voltage of the controlling equipment) can be used to do this job as mentioned above, and shown in the
following diagram:
To RJ45 Socket of VSD Pump
Controlling Equipment
Pin8 (Brown)
Pin7 (Brown/White)
Relay (Dry)
Contact
Relay Coil, must be
the same voltage
as the equipment
signal output
If the controlling equipment already has the relay output (dry contact) for controlling purpose, an extra relay
is not necessary, simply connect Pin 7 (Brown/White) and Pin 8 (Brown) to the dry contacts as shown in the
left part of the diagram above.
Analogue control inputs
Speed control can also be achieved by connecting a 0-10V DC signal at the input on pin 4 (ground at pin 5).
As soon as a signal above 0V is registered, this input will take priority over dial settings. For example, 10V
DC will change pump speed pump to 100%, 5V DC will change pump speed to 50% etc.
Pin4 (Blue)
Pin5 (Blue/White)
+ 0~ 10 V DC Signal Output
of controlling equipment
DC Ground
Controlling Equipment
To RJ45 Socket of VSD Pump
8. TECHNICAL SPECIFICATIONS
Model
SP200BT
SP400BT
Max head (m)
20
26
RPM
Speed 1 – 10: 1,500 – 3,600
Speed 1 – 10: 1,050 – 3,100
Backwash speed: variable
Enclosure class (IP)
45
Insulation class
F
Voltage (V)
220 – 240VAC
Supply freq (Hz)
50/60 Hz
Motor input power: (W)
Speed 1: 128
Speed 1: 126
Speed 5: 524
Speed 5: 728
Speed 10: 1,111
Speed 10: 1,639
Backwash speed: variable
Operating Limits
Max water temperature:
40°C
40°C
Max ambient temperature:
50°C
50°C
