SK-2 Water Pump Pressure Switch

Rated voltage: 220V-240V 110V-120V
Frequency: 50/60Hz
Max.current: 10A
Starting pressure set:1.2 bar, 1.5bar, 2.2bar

Max. working pressure:10bar

Connection Thread: R1"

Protecting Rating: Ip65

ing temperature:60C

Woiring requirement: Calbe Diameter 7.5-9mm

Function:

1. Start and stop the pump automatically

2. Protect the pump from damage caused by dry-running

3. Examine the water automatically

State Led:

1. Red led (state one) light up: The unit is off

2. Green Led (state two) light up: the pump stop

3. Red Led( state one) and green Led( state two) flash alternately in slow speed:pump in operation

4. Red Led (state one) and green led (state two) flash alternately in high speed: pumb stops:waiting to start

5. Press the ON/OFF button for one second to start the unit: press the ON/OFF button for five seconds to stop the unit

Decripiton for the exam process:

While the pump is in the absence of the water, it will start the first exam after 3 minis, it will last 50 seconds, then the unit will examine in the following second to twelfth time in every 30 minis, and exam time will last 50 seconds, and the unit will examine in the following thirteenth to forty-seventh time in every 60 mins, exam tim will last 50 seconds, the unit will stop in the forty-eighth exam, During the exam process, it lasts 41 hours.