AH Series
Air Handlers
Sterling AH Series air handlers are divided into two classifications “Standard” and “High CFM”. Standard air handlers have a CFM range of 1,500 to 8,000 CFM and are available factory assembled with evaporative coolers and downturn plenums. High CFM air handlers have a CFM range of 3,000 to 15,000 CFM and are available factory assembled with coil cabinets (up to 20 tons) and downturn plenums.
Standard Features
ETL Certified
Sterling Packaged Rooftop Units are ETL certified to UL-1995 standard for heating cooling and ventilating equipment. Units are available in one of 8 standard arrangements (Rooftop Arrangements [RA], Model digit 7). Air Handler units (Unit Type [UT] “AH”) are suitable for commercial, institutional and industrial applications where external system pressure losses are as high as 3" W.C.
High-CFM Air Handler Units
The “High-CFM” Air Handler Units (Rooftop Arrangement [RA]“S & T”) have a range of 3,000-14,000 CFM (1.4 - 6.6 m3/s). High CFM Air Handler units utilize a separate Damper/Filter cabinet with a “V” bank filter arrangement and a blower cabinet. Rooftop Arrangements “U & W” include an additional cooling Coil cabinet capable of up to 20 tons and a CFM range
of 1,600 - 6,300 (0.8 - 3.0 m3/s). This coil cabinet may also be suitable for field installations of heating coils.
Safety
For your safety and convenience all Sterling Packaged Air Handler Units include a 24 Volt control circuit, 24 Volt in line
Circuit Breaker, Blower Door Interlock Switch with Terminal Block Wiring. All wiring is processed at our factory as harness
assemblies and each wire is permanently stamped with it’s wire number.
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