FIELD: measuring equipment.
SUBSTANCE: for diagnostics degree of opening of each load circuit (6) for changing the flow is measured and then the pressure difference in the load circuit (6) and/or volumetric flow of the fluid passing through the load circuit (6) is measured. The measured values or at least one of the values derived from them are compared with at least one predetermined system limit value. The invention also relates to a dispenser for a heating and/or cooling system that performs the above-mentioned diagnostics method.
EFFECT: increased diagnostics accuracy.
11 cl, 5 dwg
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