supply , installation , testing and commissioning of tower air conditioners in vip rooms at 4th floor , neer shakti sadan , nhpc office complex , sector-33 , faridabad , supply of hot & cold tower air conditioner 3 . 8 ton . , installation , testing and commissioning of tower air conditioner as per site requirement , supply and installation of out door unit stand for tower air conditioner , supply , installation , testing and commissioning of interconnecting refrigerant pipe work for air cooled units system with ( 19mm / 13mm thick ) closed cell elastomeric nitrile rubber tubular insulation between indoor & outdoor units as per specifications , all piping insidethe room shall be properly supported . , supply & installation of control cable wiring of 6 core x 1 . 5 sq mm copper between indoor and outdoor unit . , supply & installation of power cable 4 core x 4 sq . mm copper , pvc drain piping including insulation of 6mm thick kini foam connections with units with u-trap , nipple clamps etc . , supply and fixing of following ways surface/ recess mounting , vertical type , 415 v , tpn mcb distribution board of sheet steel , dust protected , duly powder painted , inclusive of 200 a tinned copper bus bar , common neutral link , earth bar , din bar for mounting mcbs ( but without mcbs and incomer ) as required . ( note: vertical type mcb tpdb is normally used where 3 phase outlets are required . ) , 4 way ( 4 + 12 ) , double door , 8 way ( 4 + 24 ) , double door , supplying and fixing 5 a to 32 a rating , 240/415 v , 10 ka , c curve , miniature circuit breaker suitable for inductive load of following poles in the existing mcb db complete with connections , testing and commissioning etc . as required . , triple pole , supplying and fixing of 100 amp rating , four pole , 415 v , isolator in the existing mcb db complete with connections , testing and commissioning etc . as required .