I'm a complete novice. Can someone draw me a simple diagram showing how to properly wire up 2 or more 220V axial fans. in series and in series parallel .
Also I purchased an infrared spa from china and some of the lamps stay on after the session times out. I'm assuming stick relay on the circuit board? The problem is intermittent.
Are circuit board components typically irratic due to the USA utilizing 60 hertz as opposed to 50 hertz (rest of the world) and how much of a voltage variable is acceptable . Will these components work ok at 335 volts ?
Any input is greatly appreciated .
Also I purchased an infrared spa from china and some of the lamps stay on after the session times out. I'm assuming stick relay on the circuit board? The problem is intermittent.
Are circuit board components typically irratic due to the USA utilizing 60 hertz as opposed to 50 hertz (rest of the world) and how much of a voltage variable is acceptable . Will these components work ok at 335 volts ?
Any input is greatly appreciated .