These are numbers off the inside unit of a General Electric HVAC unit :
MODEL 21 WE924F1C Date Code 651
I.D.FAN MOTOR 1.3 AMPS 210 V. 3 PH. 30 CY 1/5 HP
Refrigerant 22 Only TEST PSI 350
Tyler, TX NP21A930141 Made In USA
I need to know what the manufacturer date on this unit is, please? And how is that determined by these numbers or where can I search to find this information, please?