This standard specifies the type and basic parameters of air-air heat recovery devices for air conditioning and ventilation. This standard applies to air-to-air heat recovery devices where the exhaust side inlet dry bulb temperature does not exceed 65°C and the dust concentration does not exceed 0.3mg/m^(2).
JB/T 5151-1991 history
1991JB/T 5151-1991 Types and basic parameters of air-air heat recovery devices for air conditioning and ventilation