BPA Rooftop Unit Research and Pilot Programs
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Transcript of BPA Rooftop Unit Research and Pilot Programs
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BPA Rooftop Unit Research BPA Rooftop Unit Research and Pilot Programs and Pilot Programs
Update for Regional Technical ForumApril 7th, 2009
Jack CallahanBonneville Power Administration
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Current BPA RTU ResearchCurrent BPA RTU Research
BPA/EWEB/PECI Premium Ventilation Package ◦ 2008 – 2009 field tests with detailed pre/post metering◦ 2 sites, 4 RTUs
BPA/PNNL /State of Washington Smart Monitoring and Diagnostic System◦ Field test of concept and energy savings◦ 44 meters installed July 2008◦ SMDS units fall 2008 – spring 2009. ◦ Analysis and reporting will be completed by December 2009
BPA/PNNL development of self-correcting HVAC diagnostics
RTF Rooftop Unit subcommittee
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Current BPA RTU PilotsCurrent BPA RTU Pilots
Completed BPA 2008 AirCare Plus Pilot◦ 63 Rooftop Units Serviced◦ 27 units with ~ 2 weeks pre/post metering.
Planned 2009 RTU Pilot◦ Summer of 2009◦ 600 Rooftop Units◦ 2 to 4 Program Delivery Contractors◦ Pre/Post metering for 120 + units◦ Use, test and develop M&V Protocol
Planned 2010-2012 regional RTU servicing programs.
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BPA 2008 AirCare Plus BPA 2008 AirCare Plus SM SM Pilot Pilot Inland PowerKootenai Electric CooperativeCity of CheneyCity of ChewelahPECIDRS MechanicalBPA
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2008 AirCare Plus Research Project 2008 AirCare Plus Research Project Opportunity in SpokaneJune – October 2008Service on 63 RTUs at 25 businessesMetering and analysis for 27 RTUs
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AirCare Plus AirCare Plus SMSM
Servicing RTUs and split systems ranging in size from 3 to 60 tons
HVAC Service Assistant™ Economizer diagnostics Programmable Thermostats
PECI AirCare Plus enhanced maintenance service
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AirCare Plus MeasuresAirCare Plus Measures
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2008 AirCare Plus 2008 AirCare Plus SM SM ServicingServicing
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2008 RTU Pilot Summary2008 RTU Pilot Summary
4 participating utilities21 sites visited63 units serviced27 units metered247 measures completed$15,530 Incentives paid$13,077 program delivery cost
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BPA 2008 ACP Pilot – Predicted Measure Cost and Savings
DescriptionAverage of
SavingsAverage of Incentive
$/first year kWh
Basic pkg w econ 176 $50 $ 0.28
Basic pkg w/o econ - $25 $ -
Economizer adjustment 1,181 $150 $ 0.13
Economizer control pkg 61 $100 $ 1.65
Refrig 1 compressor 195 $125 $ 0.64
Refrig 2 compressor 1,163 $175 $ 0.15
Refrig prescreen - $25 $ -
TSTAT modification 3,749 $25 $ 0.01
TSTAT replacement 848 $100 $ 0.12
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RTU MeteringRTU Metering
Sampling Plan◦ At least 20 RTUs◦ Time and Cost are main drivers
Erik Boyer, BPA: Metering Installation and Data CollectionOnset HOBO U-30 GSM Loggers
◦ Temp/RH Sensors Outside Air, Supply, Return, Mixed Air
◦ RTU Total kWh◦ T-Stat (Y1) call for cooling
1 to 2 weeks pre/post metering1-minute interval data
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RTU MeteringRTU Metering
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Measured Energy SavingsMeasured Energy Savings
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Questions?
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BPA 2009 RTU Service Pilot BPA 2009 RTU Service Pilot Preview for Regional Technical ForumApril 7th, 2009
Jack CallahanBonneville Power Administration
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2009 RTU Service Pilot2009 RTU Service Pilot
Summer of 2009600 Rooftop Units Up to 20 utilities2 to 4 Program Delivery Contractors (PDC)Pre/Post metering for 120 + unitsUse, test and develop M&V Protocol
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2009 RTU Service Pilot 2009 RTU Service Pilot Projected TimelineProjected Timeline
April 10, 2009 - Final selection of utilities
May 1, 2009 - Final selection of PDC’s
May 2009 - Pilot Kick-off meetings
July – Nov - 600 RTU's serviced
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Questions?
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Rooftop Unit OpportunityRooftop Unit OpportunityJack Callahan
Bonneville Power Administration
Presented to Regional Technical ForumApril 7th, 2009
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Existing RTUs Existing RTUs
500,000 + RTU’s in the regionKnown problemsKnown fixesScalable Solutions
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RTU Tools & TechniquesRTU Tools & Techniques
Palm Pilot toolFlow plate
rik
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Rooftop Unit (RTU) Efficiency Rooftop Unit (RTU) Efficiency Optimization StrategiesOptimization Strategies
A. EconomizerB. Refrigerant cycleC. Thermostat D. Other
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Research and Pilot GoalsResearch and Pilot GoalsMeasured Energy Savings
RTF M & V protocols Feedback to Service Providers
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BPA Long Term RTU PlanBPA Long Term RTU Plan
Ongoing Research2008 60 unit Pilot2009 600 unit Pilot RTF approved M&V Protocols2010 Region-wide Program
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Questions?