supply , installation , testing and commissioning of inverter type split ac units at ktdc-tamarind easy hotel , kannur supply installation , testing and commissioning of 5 star invertertype split ac units , supply , installation , testing and commissioning of inverter type full copper ( condensor & evaporator coils ) split type high wall mounted air conditioner unit with cordless remote of following ratings including fixing of indoor & outdoor units , initial gas charging as per manufacturer standards , giving power connection to nearest power plug point / mcs with 16a plug top , connecting indoor and outdoor units using hard drawn copper refrigerant pipes insulated with nitrile rubber or equivalent material of minimum 3 mtrs , pvc insulated flexible copper cable of minimum 3 meters as per original manufacturers standards , necessary drain water line using 20mm pvc pipe minimum 3 mtrs . necessary opening on wall shall be made for drawing refrigerant / power / drain lines and shall be restored to normal using cement plastering . ( drain pipe line shall be properly fixed and clamped to line and level as per the direction of site engineer in charge ) . approved make: bluestar/daikin/panasonic/o general/carrier/hitachi/mitsubushi , 1 . 0tr capacity inverter type 5 star rated working on single phase 240 v , 50 hz +/-1% ac supply of good quality and approved make , 1 . 5tr capacity inverter type 5 star rated working on single phase 240 v , 50 hz +/-1% ac supply of good quality and approved make , supply & laying additional refrigerant lines ( both suction & discharge ) using hard drawn copper pipe of the suitable sizes recommended by the manufacturer for 1 . 0tr ac unit including nitrile rubber thermal insulation of good quality to extend the refrigerant gas connection till outdoor unit as required at site . , supply & laying additional refrigerant lines ( both suction & discharge ) using hard drawn copper pipe of the suitable sizes recommended by the manufacturer for 1 . 5tr ac unit including nitrile rubber thermal insulation of good quality to extend the refrigerant gas connection till outdoor unit as required at site . , supply & erecting additional 20mm pvc drain piping of good quality to extend water drain connection till nearest silt terminal as required at site . , supply & drawing additional control cable of suitable size recommended by the manufacturer between indoor and outdoor unit . , supply & providing wall mounting type 4 kva voltage stabilizer designed for air conditioning load working on 240v , 50hz single phase ac supply to feed output voltage at +/- 10% tolerance with automatic low voltage & high voltage cutoff , built in thermal overload protection , powder coated enclosure etc . complete good quality and approved make and giving connection . ( approved make: vguard or equivalent reputed brand ) , supply & fixing supporting stand / clamp for fixing the outdoor unit using suitable support bars /anchor bolts and safety hook up etc . including all accessories etc . complete . , less buyback charges for 1 . 0 /1 . 5tr capacity existing ac units at site including all accessories