The new electronics of the Zeta 02 reduce the power consumption many times over compared to conventional devices. The power consumption in standby mode is reduced to 0.2 watts, which means up to 128 kWh less per year than commercially available models. This is associated with a reduction in CO2 emissions of 97% or 70 kg per year. Optionally with fixed or variable switch-on pressure.

The WISY pump controller ZETA 02 is programmable:

  1. Adjustable run-on time: Unnecessary pump run-on is avoided, further reducing energy consumption.
  2. Too frequent pump starts: More than 25 pump starts per hour are unusual. They indicate small leaks, such as running toilet flushes or a dripping tap, and endanger the pump. To protect it, the Zeta 02 pump controller can automatically stop the pump in this case.
  3. Unintentional continuous operation: A lot of water is lost if a pipe bursts or a garden hose bursts. The Zeta 02 pump controller detects continuous operation for more than ten minutes and can stop the pump. Of course, this function can be deactivated manually if, for example, the lawn is to be watered.

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Technical data

Overview Details
Stand-by power consumption < 0.2 Watt
Voltage 110-240V
Frequency 50/60Hz, single-phase
Maximum pressure 10 bar
Flow rate 160 l/min
Connections 1" male thread
Switch-on pressure ZETA 02 1,5 bar
Switch-on pressure ZETA 02/V adjustable from 1.5 to 2.8 bar

Article number

Product Details Item number
ZETA 02, fixed cut-in pressure at 1.5 bar ZT 0200
ZETA 02, switch-on pressure fixed at 1.5 bar with wall bracket ZT 0206
ZETA 02/V, cut-in pressure adjustable 1.5 bar to 2.8 bar ZT 0210
ZETA 02/V, switch-on pressure adjustable 1.5 bar to 2.8 bar with wall bracket ZT 0207
As spare part for AspriPlus
ZETA 02, cut-in pressure fixed at 1.5 bar with sealed screw connection ZT 0250
ZETA 02/V, cut-in pressure adjustable 1.5 bar to 2.8 bar with sealed screw connection ZT 0260

Completely new electronics

We have completely revised the electronics of our pump controller , which we use to control our pumps, pressure boosting systems, house and rainwater units. This allows us to reduce the power consumption in standby mode many times over compared to conventional devices.

Great potential for energy savings

The new electronic circuitry reduces power consumption in stand-by mode to 0.2 watts, whereas commercially available pump controllers draw between 6 and 15 watts from the mains. Thus, WISY's ZETA 02 saves up to 128 kWh per year. This is associated with a reduction in CO₂ emissions of 97% or 70 kg per year.

Compliant with the Ecodesign Directive

With this new development, WISY AG voluntarily complies with the strict requirements of the Ecodesign Directive. In this directive, the European Union stipulates that the stand-by consumption for numerous household and office appliances must not exceed 0.5 watts. Although the strict requirements do not yet apply to the circuit breakers, WISY already meets them!

Good for the environment and cost-saving for the user

The energy consumption of a conventional pump controller in stand-by mode is best illustrated by comparative figures: the amount of electricity required annually by products on the market even exceeds that of a large flat-screen TV. The fact that this can also save real money is obvious - at the latest when you look at your next electricity bill!

All WISY rainwater units are equipped with the efficient ZETA 02 pump controller!

Safety through programmable functions

0.1

Adjustable overrun time

The pump's run-on time after water extraction is complete can be adjusted as required and offers four selectable settings: one, three, five and ten seconds. This flexible setting option opens up numerous advantages for the system and its operators.

The possibility to set the run-on time individually allows the energy demand of the entire system to be optimised efficiently.

0.2

Detection of unusually frequent pump starts

Too frequent starts shorten the life of the pump. Therefore, you can programme the ZETA 02 pump controller so that it detects too frequent starts and stops the pump at more than 25 starts per hour. A running toilet flush or a dripping garden tap will cause the pump to shut down and can thus prevent damage to the pump and water loss.

0.3

Detection of unintentional continuous operation

The pump controller offers the option of programming the pump to detect and automatically stop continuous operation for more than 10 minutes. This minimises uncontrolled water loss and prevents water damage in the event of a burst pipe or a burst garden hose.

When do the pump controller and pressure switch switch on a pump?

As soon as a water consumer starts or a water tap is opened, each pump controller or pressure switch registers the short pressure drop and switches on the pump. To control the pump , the ZETA 02 pump controller has a Schuko socket into which any commercially available pump can be plugged.

When does the pressure switch turn the pump off again?

The pump is switched off again by the pressure switch as soon as the line pressure is built up again. This can cause the pump to cycle, especially if the water withdrawal is low.

When does the pump controller turn the pump off again?

The pump controller additionally assumes the role of the flow monitor and measures whether the water is flowing through the pipe or whether it is standing still. The pump controller only switches the pump off when the flow is equal to or close to zero.

If no more water flows through the pump controller, it switches the pump off after a short run-on time. With the ZETA 02 pump controller, this run-on time can be set according to the application.