Maulana Abul Kalam Azad University Of Technology Tender

Supply, erection, testing & commissioning of Heat Pump with precise control of 0.1 HZ increments inverter frequency for greater energy saving Type outdoor units considering DC Inverter Technology based Variable Frequency Driven VRF air-conditioners with air- cooled outdoor units, which shall be capable of cooling as per individual or season requirement suitable for operation on 415V, 3 phase, 50 Hz AC electric supply. Supply of the DC Inverter Technology with scroll compressor VRF Outdoor units should have minimum COP of 3.4 at 100% load. The Outdoor Unit should be designed for cooling operation under high ambient above 51 degree centigrade. The unit should be suitable for non-ozone depleting refrigerant R410A/Env. friendly refrigerant. Part load COP at 50% in ARI condition shall be min. 4.61, The system should be Heat Pump Type. Make :Mitsubishi, Hitachi, Toshiba 48HP-

Design, manufacturing, supply, installation, testing & commissioning of following air cooled VRF/VRV type all directional flow DX split ceiling mounted cassette typeindoor air conditioning unit of following capacity for mounting inside false ceiling confirming to the technical specification of VRF/VRV system and compatible with above Outdoor units. Units must be compact with min 3 speeds of fan with lowest sound level and highest CFM. These units are suitable for operation on 220V – 240V, Single Phase, 50 Hz AC electric supply. These units shall have electronic control valves to control refrigerant flow rate in response to load variation in the room. The noise level for these unit should not exceed 43db(A) for 5HP.

5.0 HP