The Ecuadorian Gas Connection Regulation is NTE INEN 2260.
Your range is designed to operate at a pressure of 2,9 kPa on LP gas.
LP gas operating pressure: 2,9 kPa (2 900 Pa) or 29 mbar or 29,5 cmH2O
Make sure you are supplying your range with the type of gas for which it is configured.