the water flow switch as a conduit to the control of fluid flow or block protection, when the fluid flow reaches the setting value, the switch automatically cut off (
pressure controller used by pressure control and protection, the unit has a low pressure and high pressure controller, used to control the system pressure of the scope of work, when the system pressure to the setting value, switch cut off (
Differential pressure controller
differential pressure controller is used as the pressure difference control, when the pressure reaches the setting value, switch cut off (
temperature controller is used as the control or protection of the unit, when the temperature reaches the setting value, the switch automatically cut off (
Commonly used in our products, temperature control, with temperature of the water tank to control the key conditions of the unit.
Some like antifreeze need temperature controller.
5, electromagnetic valve
system loop is cut off when the compressor stop, avoid press start to produce liquid impact when next time.
Commonly used in a larger refrigeration system.