Spinder also supplies the Suevia water circulation pump system for the cold barns with drinking troughs.
Water is heated and pumped around. The circulation pump unit has one or two heating elements, a variable thermostat and a circulation pump. The system works as a boiler installation, which may cause pressure to rise in the pipelines. The water pressure in the supply pipe must be at least 1 bar and may not exceed 4 bar.
A non-return valve, a breather valve and a pressure relief valve are supplied to protect the circulation system.
If fitted with return water temperature controls, the required return water temperature is set on the thermostat. The thermostat is attached to the return pipe.
The maximum pipe length, including return line, is approximately 200 metres for the 3000-Watt version and approximately 350 metres for the 6000-Watt version. The circulation unit has one or two heating elements, a variable thermostat and a circulation pump.
The 3000-Watt circulation pump unit is available in 230 V and 400 V models. The 400 V model is recommended if 400 V power supply is available. If fitted with return water temperature controls, set the required return water temperature on the thermostat in the return line. The heating element is automatically switched on if the temperature drops below the set value.
For the 300 and 303 models, a turning knob on the heating element is used to set the required temperature of the discharged water. The heating element is thermostatically controlled and switches itself on and off.
Here you will find all the information you need with regard to the water circulation pump unit.
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