Modular Packaged Unit

The Modular Packaged Unit (MPU) is designed to be a factory packaged air conditioning and heating unit for 100% Outdoor Air (OA) applications. Units are sized to operate between 360 to 600 cfm/ton of cooling, depending on climate.

One benefit of this unit is the multiple cooling stages. Multiple cooling stages increase the efficiency by not using 100% of the cooling capacity when this is not needed, thus allowing lower energy usage. An internal make-up air cooling thermostat automatically energizes the first stage when cooling of the make-up air is required. The same thermostat has a built in adjustable differential to energize the second stage of cooling when required.

The condensers are top mounted on the make-up air unit to minimize roof space requirements, and are situated for optimal airflow and serviceability.

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  • Air Volume: 400 – 9000 cfm
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  1. High efficiency nominal 14 SEER rating condensers
  2. Integral cooling staged thermostat
  3. Multiple stage cooling for lower energy usage
  4. Pre-piped and charged refrigeration circuits
  5. Optimized for 100% OA for kitchen use
  6. Cooling requires no additional roof footprint
  7. Coils and condensers sized to comfort cool make-up air
  8. R-410A environmentally friendly refrigerant
  9. Thermal expansion valves and filter/dryer kits
  10. External equalization lines for thermal expansion valves
  11. Hard start relay kits on the condensers
  12. Condenser disconnect switch
  13. Vacuum tested and leak checked lineset/coils
  14. Condenser transformer prewired
  15. Thermostat prewired and interlocked with heater
  16. Integral weather/hail guards


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