Tender For corrigendum : supply of hvac spares supply replacement and installation : : - 14 hp inverter compressor , 14 hp unit inverter pcb card , 16 hp unit inverter compressor , 16 hp unit inverter pcb , 18 hp unit inverter compressor , 18 hp unit inverter pcb 1 , 18 hp unit inverter pcb2 , 20 hp unit inverter compressor , 20 hp unit inverter pcb , supply of ahu belts , supply of compressor oil , gas r410a supply transport and charging , replacement of pcb , compressor replacement , supply of gases