... wall-mount controller and remote control. It can control the fan, valve, pump and sweep. PCBA electronic control board for ... ). There are wall-mount, floor-stand, ceiling-mount type indoor unit controller.3). Apply 8 bit and 4 bit microcomputer ... .5). It can control the fan, valve, pump and sweep.6). It has cool, fan, heat mode.7).. It has ... and OEM are both welcomed! Controller for indoor unit