I have the 1st generation HRV system installed in my property for many years. A couple of months ago, the LCD display of the wall control panel had problem, i.e. the wiring ribbon connecting its LCD ...

The HRV system in my place was installed brand new in mid 2010. It was originally a basic Arizona 5 system with 5 outlets, master and slave two units system. The wall control panel is with the round ...