Statement of Requirements ECU.pdf
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- Solicitation number
- 70Z08425QDL940005
About this file
This is a Statement of Requirements for an Alaska 2.5-Ton Environmental Control Unit (ECU) with wheel kit, model AKS-BF166, detailing technical specifications for a US Coast Guard procurement.
The ECU operates on 120/208v or 127/230v power at 60Hz with three-phase, 4-wire plus ground configuration, consuming maximum 8.4kW for heating and 7.5kW for cooling. The unit measures 24.38" x 35" x 42" and weighs 420 lbs, featuring stackable aluminum construction up to 4 units high. Key performance specifications include operational temperature range of -50F to +132F, 1100 CFM air flow, and cooling capacity of 30,500 Btu/hr at 80F/50%RH. Notable features include R-407C refrigerant, forklift pockets, 27ft power cable with military-spec connector, 6kW heater, scroll compressor, and corrosion-resistant coatings. The unit includes a 5-year warranty, technical manual, and spare parts kit. Each ECU ships in an export-grade wood crate and can be maintained by personnel with minimal specialized training.
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Statement of Requirements
Alaska 2.5-Ton ECU, 60Hz, with Wheel Kit
(AKS-BF166)
2023 Model Specifications
1. Power Requirements
• Voltage 120/208v, 127/230v
• Frequency 60 Hz
• Number of phases 3 (Three)
• Number of wires 4 plus ground
• Maximum power consumption, heating 8.4 kW
• Maximum power consumption, cooling 7.5 kW
2. Physical Dimensions
• Height 24.38”
• Width 35”
• Depth 42”
• Weight 420 lbs. (including all items below)
3. Stacking Capability
• Structural aluminum cabinet that will allow for stacking ECUs up to 4 high.
• ECUs can be locked to other ECUs when stacked.
• (24) ECUs can be loaded on (1) 463L aircraft pallet
• Total height of 96.75” when stacked 4 high (ECUs nest for stacking)
4. Performance Specifications
• Operational Temperature Range: -50F to +132F
• Static Pressure 1”
• Air Flow 1100 CFM
Return Air Condition ECU cooling
Capacity (60Hz)
Ambient Temperature
80 Fdb/50%RH 30,500 Btu/hr 125 F
75Fdb/50%RH 30,000 Btu/hr 125 F
Proprietary and Confidential 2
5. Features
• Aluminum cabinet, primed and powder coated (inside and outside)
• R-407C refrigerant
• (4) Sets of forklift pockets
• (1) Aluminum mesh return air and (1) fresh air filter
• (2) 12” diameter x 34” long insulated ducts (stored within the ECU cabinet)
• (1) 27ft power cable with a MIL-C-22992, Class L, 60-amp connector
• (1) 6kW low watt density resistance heater
• (1) Scroll compressor
• (1) Hot gas, by-pass valve
• (1) Micro channel condenser coil with corrosion protection coating.
• (1) Power relay that monitors correct phasing, loss of phase, low voltage, and high voltage.
• (1) Set of stainless steel and FluoroKote #1 coated hardware
• (4) Solid wheels with locking brakes.
• (1) Maintenance-free, low noise, direct drive backward inclined airfoil impeller for high efficiency operation.
• (1) Quick connect, field replaceable, plug-and-play wiring harness.
• (1) 9’ long flexible drain hose for draining the condensate away from the ECU
• (1) Piping and wiring diagram on the cabinet.
• Corrosion resistance coatings on the following components:
o Fan blade hubs o Blower hub o Motor shafts o Copper pipes
• (1) Export grade wood crate
6. Power Consumption Chart (maximum) @ 208V, 60 Hz, 3P, 4 wire & ground
Component FLA
Heating Mode, 8kW 26 amps
Cooling Mode 20.8 amps
7. Maintenance
• Maintenance can be performed by personnel with minimal specialized training using common tools. Routine maintenance, repair, and inspection tasks can be performed by qualified HVAC technicians.
8. Certifications
• Certified by a Nationally Recognized Testing Lab for UL1995 requirements and includes CSA C22.2 No. 236-05 certification
9. Warranty
• 5-year, non-prorated warranty.
10. Tech Manual
• Each ECU includes one commercial tech manual.
11. Spare parts
• Each ECU includes one spare parts kit consisting of the following items:
o One compressor/heater contactor o One blower/fan contactor o One blower/fan overload protection relay o One spring latch and striker assembly
File details come from the government source that posted it. Updated .