T-Series (TAA) Product Specification/EHB - Allied Commercial

GHOPTIONS / ACCESSORIESCABINETCabinet is constructed of heavy-gauge, galvanizedsteel.Cabinet is completely lined with thick fiberglassinsulation resulting in quiet and efficient operationdue to the excellent sound deadening and insulatingqualities of fiberglass.Supply and return air duct flanges are furnished for fieldinstallation. See dimension drawings.Service access is provided on three sides (072-150)and four sides (180-240) of unit.Large removable panels provide complete serviceaccess on one side of unit.Electrical inlets are conveniently located in the cabinet.See dimension drawingsDrain PanDeep, corrosion resistant plastic drain pan.Reversible drain pan allows for drain outlets on eitherend of cabinet and can be repositioned for horizontal airflow applications.Drain pan is removable from either side in bothhorizontal and vertical applications.Options/AccessoriesFactory InstalledCorrosion ProtectionPolymeric epoxy coating that is deposited by electricaltransport (electrophoresis), using a process knownas electrocoat (e-coat). Available for enhanced coilcorrosion protection. Factory installed on the indoor coil.Blower housing is painted when this option is ordered.Field InstalledFloat SwitchPrevents condensate overflow by turning the unit offwhen the condensate level is abnormally high.Return Air GrillesAnodized aluminum grille field installs in return airopening of air handler.Return Air Grille Free AreaT2GARD30L-1 - 4.1 sq. ft.T2GARD30M-1 - 5.9 sq. ft.T2GARD30N-1 - 7.6 sq. ft.ELECTRIC HEAT SECTIONFurnished in a separate add-on matching cabinet.Mounting hardware is furnished to secure cabinetstogether.Pre-punched mounting holes are furnished for aligningelectric heat section to air handler supply air flange.Removable panel permits service access.Electrical inlet provides wiring entry.Field installed electric heaters are available in severalkW sizes, see Electric Heat Data table.Helix wound, nichrome heating elements are exposeddirectly in the air stream resulting in instant heattransfer, lower coil temperatures and long service life.Elements are accurately located and insulated fromthe heavy-gauge steel support frame by high qualityinsulators.Elements are equipped with individual limit controlsproviding positive protection in case of overheating.Sub-fusing, contactors, control relays, 24V transformerare furnished.Certain electric heat sizes may be two-stage controlled(with field provided control) with each stage beingenergized only when required. See Electric Heat Tables.HOT WATER COILFurnished in a separate add-on matching cabinet.Mounting hardware is furnished to secure cabinetstogether.Pre-punched mounting holes are furnished for aligningcabinet to air handler.Cabinet is constructed of heavy-gauge galvanized steel.Completely insulated with thick, foil-faced fiberglassinsulation.Removable panel permits service access.Cabinet is reversible to allow piping on either side ofunit.Coil has large face area, excellent heat transfer and lowair resistance.Constructed of precisely spaced ripple-edged aluminumfins fitted to durable copper tubes.Fins are equipped with collars that grip tubing formaximum contact area.Flared shoulder tubing connections and silver solderingprovide tight, leakproof joints.Long life copper tubing is easy to field service.Coil is thoroughly factory tested under high pressure toensure leakproof construction.Valves and pumps must be furnished by installer.TA 6 to 20 Ton R−410A Air Handlers / Page 5