June – 6 th – 2012. Design Team Ras Wickramaratne Santiago Rodriguez John Slate Ghassan Mustafa Ali Alsahaf Support Team Client: Victoria Ertelt PSU Advisor:

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Presentation transcript:

June – 6 th – 2012

Design Team Ras Wickramaratne Santiago Rodriguez John Slate Ghassan Mustafa Ali Alsahaf Support Team Client: Victoria Ertelt PSU Advisor: Dr. David Sailor Design Advisor: Evan Waymire Industry Advisor: Ruwan Jayaweera

 Designed by modernist Finnish architect Alvar Aalto  Completed in 1970  46,000 sq ft., three-story  Collection of over 5000 rare books and antiquities  Under-performing HVAC system

Brainstorm & ResearchData collection Model Design Calculate Heating and Cooling Loads Model RefinementComponent selection Recommendations

Air-cooled Chiller

Central Cooling Coil (finned tube)

Zone Control DampersVariable Frequency Drive

Zone Control DampersVariable Frequency Drive

DDC (digital controls)

EUI= 144 kBtu/ft 2

COMPLETE NEW SYSTEM : 120 TON CHILLER CENTRAL COILING COIL ZONE CONTROL DAMPERS SUPPLY/ RETURN FAN VFD DDC CONTROLS ECONOMIZER REPAIR

COMPLETE NEW SYSTEM : 120 TON CHILLER CENTRAL COOLING COIL ZONE CONTROL DAMPERS SUPPLY/ RETURN FAN VFD DDC CONTROLS ECONOMIZER REPAIR PHASE I SYSTEM REPAIR: ECONOMIZER PNEUMATIC CONTROLS BALANCE MANUAL DAMPERS ADD INSULATION PHASE II HYBRID DDC CONTROLS: NEW DIGITAL HEADEND EPT SWITCHES ON ACTUATORS UTILIZE PNEUMATIC POWER PHASE III 120 TON CHILLER CENTRAL COOLING COIL ZONE CONTROL DAMPERS SUPPLY/ RETURN FAN VFD PHASE IV FULL DDC CONTROLS: REMOVE PNEUMATIC SYSTEM INSTALL ELECTRONIC ACTUATORS DCV CO2 SENSORS HUMIDISTATS IN WORST ZONES

Ali Alsahaf Ras Wickramaratne Santiago Rodriguez John Slate Ghassan Mustafa