procurement of 08 nos 02 tr split type air conditioning machines for use of officers club auditorium hall procurement of 08 nos 02 tr split type air conditioning machines for use of officers club auditorium hall , air conditioner, split type, cap: 2t additional data: power supply: 250 v ac, coolant: eco friendly gas ( r-22 or its higher grade ) , compressor: rotary, rating: 3 star ( 2018 ) , color: white, noise level: 37 - 43 db, remote control operated with digital display at indoor unit, outdoor unit coil may be made of copper or alloy but indoor unit must be made of copper. make: carrier / hitachi / blue star. , wall fittings for outdoor unit, split ac necessary wall fittings for outdoor unit of split type air conditioner machine ( including nut-bolt & clamp )