1/4" 3/8" 1/2" 3/4" Digital Pressure Switch 220V Adjustable Display Controller for 550W Water Pump | Обустройство

1/4" 3/8" 1/2" 3/4" Digital Pressure Switch 220V Adjustable Display Controller for 550W Water Pump | Обустройство

Please let us know the outlet size you want when making the order. Thanks!  

Technical Parameter:

Pressure Range: 0-6KG/CM2

Voltage Supply: 170-250VAC (You require a 3 phase AC contactor for 380V pump)

Connection: 1/4"  3/8"  1/2" and 3/4" for your choice(Standard) (please choose one size)

Max water temprature: 80 degree

Overload Capacity: 250V,10A; 

Pump power (≤0.55KW) can be started directly

A English instrcution will be provided.

Product Feature:

environment-friendly:silent design

Safe: IP65,water-proof case,

water-shortage protection: when the black pointer fall behind on the yellow pointer, the water-shortage protection will run. then it will stop the pump.

It can test if the water hose is leaking.

Intelligent: Preventing the pump automatically restart frequently

Reliable: Electronic Design, long-life for using, more than 200,000 times operation,anti-vibration

Widely application:Pipeline Pump,Booster Pump,Self-priming pump,Immersible Pump,Circulating Pump ect.,widely using for solar heat pump,air-source heat pump,WILO home booster pump,Grundfos hot water circulating pump and other relevant pumps.

Description of Using:

Water Supply from Upstairs to Downstairs

Pressure relief valve

The position of device

Height

the lowest outlet of water

The Upper Value=The Max. Pressure of Pump -0.5KG

The lower value=0.5KG

Water shortage protection value=0.2KG

Water Supply from Downstairs to Upstairs:

the highest outlet of water

The Upper Value=The Max. Pressure of Pump -0.5KG

The lower value=H*0.1KG+0.5KG

Water shortage protection value  ≤H*0.1KG

Immersible pump automatic control

The position of device

Height

the highest outlet of water

the surface location of water

The Upper Value=(The Max. Pressure of Pump-H )*0.1KG-0.5KG

The lower value=H1*0.1KG+0.5KG

Water shortage protection value  ≤H1*0.1KG

The wiring

Please see the back of the WD pressure control, the left is Chinese word "power", you can supply 220Vac from here, the right is Chinese word "motor", please connect it with the pump 220Vac supply terminal.