Hermetically Sealed Scroll Refrigerantcompressor, Having Cooling Capacity50300 Btu/hr Similar To Coplandmodel No. Zr-61 Kctfd-522 Suitablefor R-22 Refrigerant. The Motor Shallbe Suitable To Work On 415 Volt 3phase,50 Hz Ac Supply Conforming Tordso Specn.no. Elps/spec/ac/03(rev.2) Wi Th Amndt.no. 1&2 (for Roofmounted Ac Package Unit.) [ Warranty Period: 30 Months After The Date O F Delivery ]