purchase of equipments required in mrac trade of govt . iti kalamassery purchase of equipments required for training in mechanic refrigeration and air conditioning trade in govt . iti kalamassery , equipments for mechanic refrigeration and air-conditioning trade , four way reversable valve , suitable for 1 . 5 ton ac , refrigerant r-22 , operated by a solenoid of 230v ac . , three/four door refrigerator inverter type 300 litres , refrigrant r-600a , recovery unit with cylinder capacity 5kg for hcfc ( r-22 ) , display cabinet , 2 ton capacity sealed compressor . thermostatic expansion valve . provided with gauges lp & hp digital thermometer provision for refrigerant charging with ampere and volt meter , liquid line and suction line valve . , water cooler - storage type 200litre , hfc -134a , reciprocating compressor , complete stainles steel body . provided with gauges lp & hp digital thermometer provision for refrigerant charging with ampere and volt meter , liquid line and suction line valve . , water dispenser bubble type - hot & cold , 2 . 5 to 3 litres delivery capacity per hour , bus ac tutorial model , compactable for tempo traveller , installation roof top , advanced model . , automatic ice cube machine , 50 kg / hr , vrv / vrf unit with two indoor unit , 2 . 5tr each and 5 tr capacity out door unit complete with air cooled condenser , all accessories and controlls with suitable duct . , absorption system small size