Advanced energy recovery heat pump for the Engineering Science and Research Building ESRB. - PowerPoint PPT Presentation

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Advanced energy recovery heat pump for the Engineering Science and Research Building ESRB.

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ESRB uses 54,000 CFM of 100% make-up air 24 hours a day 7 days a week. ... Used to transfer energy from the exhaust air to the make-up air. ... – PowerPoint PPT presentation

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Title: Advanced energy recovery heat pump for the Engineering Science and Research Building ESRB.


1
Introduction
  • Advanced energy recovery heat pump for the
    Engineering Science and Research Building (ESRB).
  • ESRB uses 54,000 CFM of 100 make-up air 24 hours
    a day 7 days a week.
  • This amount of ventilation air is required by
    OSHA.
  • No energy recovery system is presently
    installed.

2
What is a Heat Pump and How Does it Work?
  • A basic heat pump consists of 4 components.
  • Compressor
  • Condenser Coil
  • Evaporator Coil
  • Expansion Valve
  • Used to transfer energy from the exhaust air to
    the make-up air.
  • Our system will use a DX heat pump system.

3
What Makes This System Advanced?
  • The compressor in this system will be a Turbocor
    TT400.
  • The TT400 is a centrifugal compressor capable of
    160 tons of cooling.
  • Utilizes magnetic bearings which eliminates the
    need for oil.
  • Capable of high COPs which leads to higher
    efficiency and cheap operation.
  • Maintains high efficiency even at low loads.

4
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5
Water-Glycol Heat Recovery System
  • Plans for a water-glycol heat recovery system
    were made but the system was never installed.
  • Exhaust ducts were designed to accept heat
    recovery coils.

Exhaust Air Duct
6
Why a DX System?
  • Latent heat of vaporization

7
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8
24,000 dollars/year
9
30,000 gallons/year
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