bids are invited for precision air conditioner for server room 4.5 tr precision ac unit with all accessories including heater & humidifier in 1 working + 1 standby mode configuration supply of the associated materials like copper pipes, electrical cabling, cpvc pipe, water inlet pipe etc. supply of the associated materials like refrigerant, drain & humidifier etc. supply of the associated materials like ms stand and trays etc. unloading, lifting, shifting, positioning, and fixing of indoor and outdoor units, installation charges of precision ac and low side work, including gas pressure testing, vacuuming & commissioning, electrical wiring to the pac units from the mains distribution board, interconnection, etc. total quantity : 8