Attachment_I_-_Boiler_Specs.pdf

FA4528‐17‐Q‐4033

Attachment 1

Boiler Specifications

3 each 750,000 btu condensing boilers 1 each 650,000 btu condensing boiler The boilers must have a full function fire test and hydrostatic test report and be factory tested and certified per AHRI and Department of Energy (DOE) guidelines.

Installation, operation and maintenance manuals must be supplied.

Warranty o The main boiler and electrical parts shall have a one year warranty and the heat exchanger shall have a minimum ten year warranty

The boilers shall be factory built and tested with a stainless steel heat exchanger built on a steel base including insulation jacket, flue gas vent, combustion air intake Water supply, water return, condensate drain connections and controls, boiler must fit thru a standard 36 inch wide 80 inch high door, and have wheels mounted on the to ease in placement.

Heat exchanger o The upper heat exchanger shall be 304 stainless steel and the lower shall be 316 stainless steel with grooved supply and return connections with seals rated for 400 degree F.

Burner o The burner shall be stainless steel modulating natural gas with forced draft and direct spark ignition and have a 5:1 turndown.

Sound ratings should be less than 60 dba at three feet from the source.

Gas train will consist of:

o Manual gas shut off, integrated gas valve, two pressure test ports, one high gas pressure switch with manual reset, two integrated safety solenoid valves, spark ignition with 100% main gas shutoff with electronic flame sensor

Manufacturer supplied inline variable flow injection pump with integral vfd.

Must interface with Johnson controls.

Voltage o Voltage shall be 120 volt 60 hz 1 phase