Как да елиминирате: "не може да определи Dpmin на вентил"?

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Продукт InstalSystem 5
Вид статия TIP&TRICK
Актуално съдържание за версия 2022-03-15


Problem description

Минимални напорни загуби across the Вентил component is helpful, in the case of valves installed near or on terminal units, in obtaining the required authority; in addition, for some valve types (e.g. Δp контролер) manufacturers recommend a specific value of Δpмин.. For the calculation, the value is taken from the valve data table and can be changed individually there. Problems related to the program's inability to achieve the set Δpмин. are identified by the message:

не може да се определи Δpmin на вентил


The above message appears when:

  • Вентил has no settings (has a specified kv value) and has no thermostatic head,
  • for the smallest setting the flow through the Вентил does not produce the required pressure drop.

Solution

In most cases, the diagnostic message не може да се определи Δpmin на вентил can be left without responding to it. In the case of a mass occurrence of the message for the Вентил component on/near the terminal units, and therefore when there is a concern of obtaining too low authorities, the following can be done:

  • use, if available, valves or integrated valves with a lower kv range,
  • increase the flow rate through the terminal units in question by reducing their calculated temperature drop. However, the final cool down value in the terminal unit is determined by the Настрой водни количества option, which is enabled by default in the Общи данни, Опции за оразмеряване на отоплителни тела window..
    1. Настрой водни количества