Traditional relay ventilation system control circuit
Source: InternetPublisher:toothache Keywords: control circuit system control BSP monitor Updated: 2021/04/02
The traditional relay control circuit of
a ventilation system is as shown in the figure. Ventilation system requirements are as follows.
① Overpressure is not allowed to occur indoors at any time.
②Only when the exhaust gas exhaust device indicated by the flow monitor
is working properly, the fresh air supply device can be put into operation.
③If the air supply device or exhaust device fails, the alarm light will light up.
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