Do I need limit switches?
Yes.
The NVC does not know when to stop when opening/closing, so you must install
limit switches before operation.
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Variable speed 1 or variable speed 2 fan switches on, runs at full speed, and then turns off. Keeps cycling.
Problem Variable speed 1 or variable speed 2 fan switches on, runs at full speed, and then turns off. Keeps cycling. Possible Cause The hysteresis is not high enough. The outside temperature is rising and falling quickly. This happens most often in ...
Variable speed 1 or variable speed 2 fan switches on, runs at full speed, and then turns off. Keeps cycling.
Problem Variable speed 1 or variable speed 2 fan switches on, runs at full speed, and then turns off. Keeps cycling. Possible Cause The hysteresis is not high enough. The outside temperature is rising and falling quickly. This happens most often in ...
Variable speed 1 or variable speed 2 fan switches on, runs at full speed, and then turns off. Keeps cycling.
Problem Variable speed 1 or variable speed 2 fan switches on, runs at full speed, and then turns off. Keeps cycling. Possible Cause The hysteresis is not high enough. The outside temperature is rising and falling quickly. This happens most often in ...
Do I need 2 light sensors for 2 stages of light control?
Yes. One sensor per channel, so when you have two channels, you need two sensors.
Troubleshooting - Variable speed 1 or variable speed 2 fan switches on, runs at full speed, and then turns off. Keeps cycling.
Problem Variable speed 1 or variable speed 2 fan switches on, runs at full speed, and then turns off. Keeps cycling. Possible Cause Hysteresis not high enough. Outside temperature rising and falling quickly. Happens most often in the spring and fall. ...