Specifications - City of Montpelier, Vermont

Title:Montpelier District HeatingCity of Montpelier, VT15830 – Heating Terminal UnitsIssue Date:September 28, 2012Page #:5 of 82.3 CABINET HEATERSA. General: Provide cabinet heaters having cabinet sizes and in locations asindicated, and of capacities, style, and having accessories as scheduled. Includein basic unit chassis, coil, fanboard, fan wheels, housings, motor, and insulation.B. Chassis: Galvanized steel wraparound structural frame with edges flanged.C. Insulation: Faced, heavy density glass fiber.D. Cabinet: 16 gauge removable front panel, 18 gauge top and side panels. Insulatefront panel over entire coil section. Provide access door on coil connection side.Clean cabinet parts, bonderize, phosphatize, and flowcoat with bakedon primer.E. Water Coils: Construct of 1/2" seamless copper tubes mechanically bonded toconfigurated aluminum fins. Design for 300 psi and leak test at 300 psi underwater. Provide same end connections for supply and return.F. Fans: Provide centrifugal, forward curved double width fan wheels constructed ofnoncorrosive, molded, fiberglassreinforced thermoplastic material. Constructfan scrolls of galvanized steel.G. Motors: Permanent Split Capacitor (PSC) motors with integral thermal overloadprotection, and motor cords for plugin to junction box in unit.H. Filters: Provide 1" thick throwaway type filters in fiberboard frames.I. Accessories: Provide the following accessories as indicated and/ or scheduled.1. Wall Boxes: Provide aluminum wall boxes with integral eliminators andinsect screen.2. Recessing Flanges: Provide 18ga steel flanges for recessing cabinetheaters into wall or ceiling.HEATING TERMINAL UNITS158305