bids are invited for boq bid supply install testing and commissioning of minimum 5 star rated hi wall split units indoor outdoor with cordless remote control unit and with in built air ioniser , supply and fix voltage stabilizer for automatic operation input variation between 170 v to 250 v with output voltage stabilized at 230 v with accuracy of two point four and of capacity 4 kva , supply and fixing in replacement of copper tubing of 1 by 4 dia including insulation suitable for suction discharge line of split type ac complete all as directed , supply and fixing in replacement of copper tubing of 1 by 2 dia including insulation suitable for suction discharge line of split type ac complete all as directed , supply anf fixing of ms stand suitable for mounting out door unit of split ac capacity 2 ton complete all as directed , air condenser total quantity : 33