David Martell

Replacement of the older failed Carrier R22 chiller that is providing cooling to half of the building at 150 Danbury Rd. The new chiller will be the same size and capacity. Work to include:Install a safety work perimeter on the roof and in the parking lot. Decommission and ready the chiller to be removed from the building. Work with your electrician to disconnect all electrical as needed. Remove and dispose of all the exterior chilled water pipe insulation for both chillersReclaim all refrigerant and recycle according to EPA guidelines. Remove and recycle the failed chiller with a crane from the rear parking lot. Remove the wood dunnage from the roof and replace it with steel equipment supports. Set the new chiller in place and mechanically secure it to the equipment supports. Reconnect the chilled water lines, fill, and check for leaks. Work with your electrical contractor to check for proper chiller phasing after they have reconnected the electrical. Reinsulate all the exterior piping for both chillers with 2” of fiberglass insulation and new aluminum jacketing. Install additional supporting hangers on the roof as needed. Start, test, and commission with the Carrier factory representative. Materials to include:One Carrier 35-Ton Air Cooled Packaged ChillerAir Cooled Digital Scroll Compressors, R32 Refrigerant, Evaporator Factory-Installed Freeze Protection, Factory-Installed Flow Switch, Brazed Plate Heat Exchanger, High Efficiency Variable Speed Condenser Fans, and Wind Baffles. 1 – Year Carrier Parts and Labor Warranty2-5 – Year Carrier Compressor Parts Only WarrantyCarrier Startup and Commissioning, Black Iron and Copper Piping and Fittings. New 2” Thick Fiberglass Pipe and Fitting Insulation. New Aluminum Jacketing with PVC Fittings. Hangers, Hardware, and Accessories Necessary for a Complete Installation.

Replace the packaged heating and cooling rooftop units RTU-1, RTU-7, and RTU-8 at 21 South St. with new units of matching size and capacity.