Upgradation of precision control package air-conditioning units of SAIF and Data centre installed at special equipment building and administration building of jankipuram campus, CDRI

Supply,lifting ,shifting, installation, testing and commissioning of energy efficient floor mounted, bottom discharge, air cooled DX type Microprocessor based precision package airconditioning refrigerant charged indoor and out door unit , equiped with most advanced technology to precise control of tempreture and relative humidity.The Indoor unit shall comprise of digital/Inverter scroll compressor, fibreglass corrossion resistant EC fans, Evaporator DX copper cooling coil with hydrophilic coating, microprocessor controllers, electronic expansion valve, driers, EU4/G4(with 90% efficiency down to 10 micron size particle) Filter, suction and discharge piping, liquid receiver, internal power and control wiring, crankcase heaters, humidifier, BMS connectivity, air reheating heaters for dehumidification, HP/LP cutouts, power and control contactors, water leak detectors and other electrical accessories.The unit is suitable for operation on 415 Volts, 50 Hz, 3 Phase, AC supply.Each unit should be having individual display panel, which shall display date, time, actual & set values, operating conditions, signal faults, collective faults and machine service alarm to reduce the down time and unit memory shall hold the recent events with ID number, time and date for each event.The outdoor condenser unit shall comprise of condenser fans & motor,condenser cooling coil (copper coil with aluminium fins), fan speed controller, Isolater switch. The units shall be selected (computerized selection sheet must be enclosed) on the basis of following parameters: i) Not Less then 8.5 TR Cooling Capacity @ 7944 CMH or more ii) Return Air Selection at : ≤ 25°C. / 50 % RH of return air at 48°C ambient temp. iii) Supply air in between : 16 - 21 Deg C iv) Temp/RH Control : Set point for temp. ± 1°C & Set point for RH ± 5%.

Supply and fixing of interconnecting discharge line with18G copper piping between indoor & outdoor unit. The copper piping will be duly sleeves insulated inside the room.

Supply and fixing of interconnecting liquid line with18G copper piping duly sleeves insulated between indoor & outdoor unit. The copper piping will be duly sleeves insulated inside the room.

Supply and fixing of MS outdoor stand duly painted with anti-corrosive paint along with vibration isolation pad, bolts, fittings & accessories complete in all respect.

Supply and fixing of MS indoor stand duly painted with anti-corrosive paint along with vibration, bolts, fittings & accessories.

Supply and laying of interconnecting 3 core x 2.5 sqm PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade armered copper cable between indoor & outdoor unit.

Supply and fixing of motorized air damper with actuator and wiring complete in all respect.

Supply and fixing of drain water connection pipe having size of 40mm with insulation, fittings & accessories complete in all respect..

Dismantling of old PAC and shitting at respective locations in premises.

Supplying and installating following size of perforated hot dipped galvanised Iron cable tary (Galvanisation thickness not less than 50 micron) with perforation of not more than 17.5%, in convenient section s, joined with connectors on surface with GI angle, GI bolts& nuts, fastener etc as required.