supply of supply ,installation , testing& commissioning of water chiller unit.supply ,installation , testing& commissioning of water chiller unit.,supply ,installation , testing& commissioning of water chiller unit with the following specific ations: - 1. rated operating voltage: 3 phase, 415 v ac, 50 hz. 2. nominal cooling capacity: 6,000 kcal/h / 2.0 tr. 3. refrigerant used: r-407c/r-134a or any environmental friendly refrigerant with lesser gwp. 4. m edium of cooling: coolant(presently using model vericool of tvs) mixed with distilled water in the proportio n 1:4. 5. duty type: indoor, continuous duty type. 6. pumping capacity: minimum 20 lpm @ 3 bar. 7. tank: ss grade fully insulated 40 ltrs capacity. 8. temperature range ambient: +15 degree c to +40 degree c. 9. temperature range of medium: +15degree c to +50degreec. 10. required output temperature range of th e medium from the chiller unit: 18-24 degree c. 11. oil connection both suction & delivery: 1/2 inch bsp. 1 2. type of enclosure: industrial enclosure. electrical control part shall be made of crca sheet powder coate d with indication. 13. compressor: hermitically sealed, air cooled, reciprocating/scroll compressor. 14. con denser: air cooled condenser, made of copper tube with aluminum fins. 15. evaporator: stainless steel coil s dipped in tank or plate heat exchanger. 16. pressure switches: low / high pressure switches. 17. level in dicator on the body for clear indication of coolant level in the tank. 18. temperature controller cum display unit: microprocessor based, programmable controller with digital display. 19. auxiliary contact: potential fr ee contacts for general alarm minimum 1 no + 1nc. 20. motor protection: all motors with motor protection circuit breaker (mpcb). 21. interlocks: low refrigerant, low pressure/high pressure, low pump flow, high te mperature, low coolant level alarms to be indicated on the controller. 22. anti vibration pads/mountings for the compressor to avoid vibration. 23 .