4415.7.2. Outdoor air temperature control• The compressor operating frequency is regulated in accordance to the outdoor air temperature as shown in the diagram below.This control will begin 1 minute after the compressor starts.15.7.3. Abnormal Wiring or Piping Connection Checking Control• 3 minutes after forced cooling operation was conducted for one room during the initial operation after power was turned on. Theabnormal wiring or piping connection control activates when:- The outdoor gas piping temperature (connected to non operating indoor unit) drops by more than 5C to 5C or below 3minutes after compressor started.- The non operating indoor unit pipe temperature where outdoor air temperature above 5C has dropped by more than 20C to5C or lower.- When above conditions are satisfied, the Timer LED blinks. (H41 error)15.8. Protection Control for Heating Operation15.8.1. Overload Protection Control• The compressor operating frequency is regulated in accordance to indoor heat exchanger temperature as shown in belowfigures.15.8.2. Intake Air Temperature Control• Compressor operating frequency changes in accordance to the outdoor air temperature.• This control is not applicable during minimum frequency operation protection control, deice operation, pump down operation.