2. Minimum specs b81 aaon.docx
DOCX document 23 KB Posted
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- AAON HVAC UNIT
- Solicitation number
- N00167CJD001NSWC
About this file
This document is a Minimum Specifications sheet for a brand name AAON packaged rooftop unit replacement. The Naval Sea Systems Command (NSWCCD Code 102) requires one new AAON Model RNA-025 heat pump unit with supplemental electric heat to replace an existing unit (Serial # BNWR03515) in Building 81. The unit must feature 2-inch double-wall construction with thermal break, direct drive plenum supply fans, stainless steel double-sloped drain pan, and one set of 4-inch pleated MERV 8 filters with condenser coil guards for protection.
Electrical specifications require 460V/3Ph/60Hz power with a Minimum Circuit Ampacity of 216A and Maximum Overcurrent Protection of 225A, utilizing R-454B refrigerant and a variable capacity primary compressor with 2-step secondary compressor. The unit must include an air-source heat pump with modulating hot gas reheat, VCCX CAV controller, economizer, clogged filter switch, phase and brownout protection, non-fused disconnect switch, factory-wired 115V convenience outlet, and remote safety terminals for field-provided smoke detectors. The contractor must provide a minimum 1-year limited parts and labor warranty and 5-year parts-only warranty for the compressor. The price shall be inclusive of all freight, with the contractor responsible only for equipment supply; excluded items include BAS integration, smoke detectors, airflow monitoring, vibration isolation rails, mounting hardware, structural steel, wiring, rigging, installation, and final commissioning.
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Text version
Minimum Specifications AAON Package Rooftop Unit
THIS IS A BRAND NAME REQUIREMENT
General The Contractor shall provide one (1) new packaged rooftop unit, AAON Model RNA-025 or equivalent updated model, to replace the existing unit (Serial # BNWR03515).
The unit shall be a heat pump with supplemental electric heat.
Make and Model Requirements
Make: AAON Model: RNA-025
Physical and Construction Requirements Construction: 2-inch double-wall construction with a thermal break Supply Fan: Direct drive plenum supply fans Drain Pan: Stainless steel, double-sloped Filters: One (1) set of 4-inch pleated MERV 8 filters Coil Protection: Condenser coil guards
Electrical and Performance Requirements Power: 460V/3Ph/60Hz Electrical Rating: 10KAIC Circuit Sizing: Minimum Circuit Ampacity (MCA) of 216A and Maximum Overcurrent Protection (MOCP) of 225A Refrigerant: R-454B DX coil Compressor: Variable capacity primary compressor with a 2-step secondary compressor Heating/Cooling:
Air-Source Heat Pump Modulating Hot Gas Reheat Supplemental Electric Heating Controls & Safeties:
Economizer Clogged Filter Switch Phase and Brownout Protection Non-Fused Disconnect Switch Factory-wired 115V Convenience Outlet VCCX CAV Unit Controller Remote safety terminals for field-provided and installed smoke detectors
Warranty The equipment shall include a minimum 1-year limited parts and labor warranty.
The equipment shall include a minimum 5-year parts-only warranty for the compressor.
Scope of Supply Included: The price shall be inclusive of all freight.
Not Included (To be performed by others): The following items are explicitly excluded from the material supply:
* BAS (Building Automation System) integration.
* Smoke detectors (the unit must provide terminals for connection).
* Airflow monitoring station.
* Vibration isolation rails.
* Mounting hardware, structural steel, and curb fill.
* All power and low-voltage wiring.
* Rigging, installation, and final commissioning.
File details come from the government source that posted it. Updated .