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.

All AH Series Literature

Standard Features

ETL certified to UL-1995
Units are available in one of 8 standard arrangements
For commercial, institutional and industrial applications where external system pressure losses are as high as 3" W.C.
Standard” and High-CFM Blower types.
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 Cabinets are constructed of rugged 18 ga. material
All air handlers are painted Cloud Gray

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.

Both “Standard” and “High-CFM” Air Handler arrangements may also include a downturn Supply Air Plenum, Outside Air Intake Hood with standard bird screen or optional moisture eliminators and a Roof Curb. All arrangements are rail mounted.

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.

Literature

All the Literature associated with the AH Series

For additional items browse the full Literature library at the link below.

Literature Library

Performance

Performance, Materials and Features for each AH Series capacity model.

Name	Standard Unit	High CFM
Min CFM	1,500 CFM	3,000 CFM
Max CFM	8,000 MBH	15,000 MBH

Markets

The AH Series is quite versitile it can be installed in a variety of applications. Here are a few key ways The AH Series can make your space more comfortable.