Control method of variable refrigerant volume (VRV) multi-link air conditioner
A control method and technology of multi-connected air conditioners, which are applied in heating and ventilation control systems, heating methods, space heating and ventilation, etc. Slow response speed and other problems, to achieve the effect of complete functions, reasonable adjustment, accurate and reasonable adjustment
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Embodiment 1
[0040] A control method for a VRV multi-connected air conditioner, which controls the flow of refrigerant according to the capacity requirement of the indoor unit. Of course, other steps of the control method are the same as those in the prior art. The calculation method for the capacity requirement of the indoor unit includes the following steps .
[0041] (1) First set
[0042] In summer cooling mode: indoor ambient temperature deviation = indoor ambient temperature - (indoor temperature set value + correction parameter);
[0043] In winter heating mode: indoor ambient temperature deviation = (indoor temperature setting value + correction parameter) - indoor ambient temperature;
[0044] The correction parameter mentioned is 2°C;
[0045] (2) Calculation of the target output in the proportional integral algorithm
[0046] After the VRV air conditioner is turned on, the outdoor unit controller reads the indoor ambient temperature deviation every 5s, and uses the proportion...
Embodiment 2
[0067] A control method for a VRV multi-connected air conditioner, which controls the flow of refrigerant according to the capacity requirement of the indoor unit, and the calculation method for the capacity requirement of the indoor unit includes the following steps:
[0068] (1) First set
[0069] In summer cooling mode: indoor ambient temperature deviation = indoor ambient temperature - (indoor temperature set value + correction parameter);
[0070] In winter heating mode: indoor ambient temperature deviation = (indoor temperature setting value + correction parameter) - indoor ambient temperature;
[0071] The correction parameter mentioned is 5°C;
[0072] (2) Calculation of the target output in the proportional integral algorithm
[0073] After the VRV air conditioner is turned on, the outdoor unit controller reads the indoor ambient temperature deviation every 5s, and uses the proportional integral algorithm, also known as the PI algorithm, to calculate the target outp...
Embodiment 3
[0094] A control method for a VRV multi-connected air conditioner, which controls the flow of refrigerant according to the capacity requirement of the indoor unit, and the calculation method for the capacity requirement of the indoor unit includes the following steps:
[0095] (1) First set
[0096] In summer cooling mode: indoor ambient temperature deviation = indoor ambient temperature - (indoor temperature set value + correction parameter);
[0097] In winter heating mode: indoor ambient temperature deviation = (indoor temperature setting value + correction parameter) - indoor ambient temperature;
[0098] The correction parameter mentioned is 3°C;
[0099] (2) Calculation of the target output in the proportional integral algorithm
[0100] After the VRV air conditioner is turned on, the outdoor unit controller reads the indoor ambient temperature deviation every 6s, and uses the proportional integral algorithm, also known as the PI algorithm, to calculate the target outp...
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