Take note that you need to have good knowledge to do this as the power supply to the circuit board is LIVE.
This is the place where heat from the indoor is transferred from the indoor to the outdoor and is rejected to the surrounding. .
The main control board can be divided into power supply, controller integrated circuit, sensor inputs and outputs to control the compressor, indoor fan speed, outdoor fan speed and air swing.
AC from the mains has to be converted to DC voltage where it can be used to power the integrated circuits and drivers in the electronics circuit. ..
The method is to use switched mode power supply or SMPS which makes the dimension of the circuit board smaller as the transformer can now be replaced with transformer.
By bypassing it to the input source, it will clamp the voltage..
fuse is placed in series with the power supply to cutoff any overcurrent or short circuit that happened in the circuit..
In for the remote control to send the settings to the controller at the unit, there is at least receiver printed circuit board that receives the signals from the handset.
Alora wrote as writer for dozens of home improvement clients and informed homeowners about the industry as writer for EcoWatch.
alumna of University of Pennsylvania, Roxanne is now Oklahoma, DIY enthusiast, and the proud parent of playful pug...
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