Arbour air source heat pump fault code

30z. Alpur air source heat pump hot air blower can continuously and stably supply heat at the low temperature of -30℃. The fault code of the heat pump is 30z, indicating that the refrigerant of the air energy water heater is insufficient. Arbour was founded in Jinan, Shandong Province on 20 14. May 20 14, Arbour settled in Laicheng Industrial Zone. Alpur's ultra-low temperature air source heat pump technology was successfully developed and applied for invention patents at home and abroad. This technology ensures the normal operation of air source heat pump at -30℃ and saves energy. In 2009, it was listed as the promotion project of scientific and technological achievements of the Ministry of Housing and Urban-Rural Development.