bids are invited for supply 3tr ductable inverter split ac - supply of ductable type ceiling wall mounting type 3 tr capacity inverter type split air conditioner unit with rotary scroll type compressor suitable for working on 415v 3phase 230v 1 ph 50hz ac supply and shall have a nominal cooling capacity not less than 36000 btu per hr with minimum eer 10 btuper w hr and having static pressure not less than 45 pascals and the ac unit with pre charged eco friendly r410a or equivalent refrigerant gas. the evaporator indoor condenser out door coils shall have copper refrigerant tubes pipes only including supply and fixing of powder coated air deflection grill of suitable gauge ms sheet for closure of the above ac units supply air portion including necessary associated items as required and including ac unit transportation to sites at various location under karnataka telecom circle with loading and unloading toppingup of refrigerant gas if necessary as required. the unit shall have 12 months manufacturers suppliers warranty including for pcb board. the warranty for compressor shall be minimum 3 years make of ac carrier daikin hitachi ogeneral blue star voltas mitsubishi electric india mitsubishi heavy industries panasonic lg samsung sidwal. separate agreement will be formed site wise by the executive engineer elec concerned , itc 3tr ductable inverter split ac - installation testing and commissioning the above 3 tr ductable type ac unit complete with all accessories including installation of outdoor unit on suitable ms angle framework made up of 35mmx35mmx5mm ms angle atleast 600mm above floor level fixing of indoor unit on the wall with suitable ms rod angle iron support including welding cutting painting of stands minor civil works complete etc as required. , refrigerant copper piping for liquid line - supplying and laying of following size copper refrigerant pipe for 3tr inverter type ductable split ac units as per manufacturers recommendation suitable for above units