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Florida Heat Pump
Florida Heat Pump Craig Fischbach Eastern Regional Sales Manager
Florida Heat Pump ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
FHP - Solutions for Engineers ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
What is FHP All About? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Basic Closed-Loop System Boiler/Tower System Closed Circuit Cooler Boiler Primary pump Stand-by pump
Basic Two Loop  Open Tower Pump 1 Pump 2 Plate-in-frame HX Heat Pump Units Boiler Primary pump Stand-by pump Boiler/Tower System
Geothermal System ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
On the product side –  Wide variety of models and sizes ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],FHP has all the standards, plus a broad line which extends to larger sizes
Model Nomenclature Lots of Different models ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Sizes, Geo, ECM Motor, HGRH & Elec Ht
Small Horizontal Units EC ( R-410A ) Series:  ½ ton to 6 ton EM Series:   ½ ton to 6 ton   EV/ES ( R-410A ) Series:  1-¾ ton to 6 ton GT/GS Series:  1 to 6 ton Geothermal Split Systems Mirror image configurations Hot gas by-pass Hot gas reheat ECM motors Electric heat
Large Horizontal Units EC ( R-410A ) Series: 6 ton to 20 ton EM Series:  6 ton to 20 ton Geothermal Split Systems Hot gas by-pass Hot gas reheat
Small Vertical Units EC ( R-410A )Series:  ½ ton to 6 ton EM Series:  ½ ton to 6 ton EV/ES ( R-410A ) Series: 1- ¾ ton to 6 ton GT/GS Series:  1- ¾ ton to 6 ton Geothermal Split Systems Left and right hand piping Hot gas by-pass Hot gas reheat ECM motors Electric heat
Two Stage Scroll, R-410A Units ,[object Object],[object Object],[object Object],[object Object]
Large Vertical Units EC ( R-410A ) Series: 6 ton to 30 tons  EM Series:  6 ton to 30 tons Geothermal Split Systems Front and back return Top or side discharge Hot gas by-pass Hot gas reheat VFD’s Waterside Economizer 100% Outdoor Air
Larger Vertical Units MC ( R-410A ) Series: 30 ton to 60 ton MB Series: 30 ton to 60 ton Front and back return Top or side discharge Hot gas by-pass Hot gas reheat VFD’s Waterside Economizer
Water-to-Water Units – 2 to 35 tons Makes warm water, 120°F and cold water, 45°F. No brazed plate heat exchangers – coax only
Slope Top Console – ¾ to 1½ tons Available in Two Series: CA   R-410A CS  R-22 Geothermal is standard Left and right hand piping Chassis only Disconnect switch
Why switch to R- 410A now? Montreal protocol and the US Clean Air Act says it can be: We can not make R-22 units after January 1, 2010 R-22 can be used for  new equipment until 2010.   R-22 can be used for  service until 2020. Production caps will make the availability of R-22 uncertain.  R-22 compressors will become less available. R-22 replacement parts and refrigerant costs will increase. High repair costs will force units to be replaced.   FHP is committed to offering all of our product lines with R-410A.
FHP GREEN Products ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],We offer all R-410A products now!
Dual Range of Efficiencies – R410A Boiler/Tower  WLHP  86°F EWT Cool   68°F EWT Heat Model EC 12.7 EER 4.4 COP Model EV 14.0 EER 4.8 COP Geothermal   GSHP  77°F EWT Cool   32°F EWT Heat Model EC 14.1 EER 3.2 COP Model EV 16.2 EER 3.3 COP Model ES 17.0 EER 3.3 COP All FHP units are rated for both boiler/tower and geothermal applications. You have to be able to offer at least 2 levels of efficiency! R-410A units are slightly more efficient than R-22 units.
EC Product Line – cost effective R410A ,[object Object],[object Object],[object Object],[object Object],[object Object],Vertical to 30 tons and horizontal to 20 tons.
Points for LEED™ Rating R-410A products meets the Atmospheric Impact requirement of 100. We have a complete list of unit refrigerant  charges as well as a Atmospheric Impact  spreadsheet.
LEED™ Program It is a performance-oriented system where points are earned for satisfying performance criteria. 14 Points Sustainable Sites 5 Points Water Efficiency 17 Points Energy and Atmosphere 13 Points Materials and Resources 15 Points Indoor Environment 5 Points  Innovation and Design Process 69 Points - Total Possible with these rating categories:  Platinum 52+ Gold 39-51 points   Silver 33-38 points   Certified 26-32 points
LEED™ Program – 6 Categories 1.  Sustainable Sites – location. 2.  Water Efficiency – water usage 3.  Energy and Atmosphere – energy consumption (HVAC) 4.  Materials and Resources – construction. 5.  Indoor Environmental Quality – IAQ and comfort. 6.  Innovation and Design Process – new technology.
HVAC – Energy and Atmosphere 17 of the 69 points are in Energy and Atmosphere 14 Points Sustainable Sites 5 Points Water Efficiency 17 Points Energy and Atmosphere 13 Points Materials and Resources 15 Points Indoor Environment 5 Points  Innovation and Design Process 69 Points - Total
Energy and Atmosphere - 17 Points ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Credit 1: Optimize Energy Performance Reduce Design Energy Costs Points based on efficiency vs std. bldg. Points   New Bldgs.   Existing Bldgs. 1   10.5%   3.5% 2   14.0%   7.0% 3   17.5%   10.5% 4   21.0%   14.0% 5   24.5%   17.5% 6   28.0%   21.0% 7   31.5%   24.5% 8   35.0%   28.0% 9   38.5%   31.5% 10   42.0%   35.0%
Credit 2:  Renewable Energy % Renewable Energy Points 2.5%   1 7.5%   2   12.5%   3 Supply this percent of the building’s total energy usage (expressed as a fraction of annual energy cost) through the use of on-site renewable energy systems. Photovoltaic (PV)  Solar Biomass  Wind Passive solar, solar HW, Geo Heat Pumps & Daylighting do not qualify since they do not generate electricity.
Credit 3: Additional Commissioning 1 Point Review the building design and construction documents to identify potential problems and areas for improvement, providing long-term documentation fro optimization and implementing a continuous improvement program. 1.  Schematic Design Review 2.  Construction Documents Review 3.  Focused Review of Submittals 4.  Systems Manual 5.  Near-Warranty End or Post Occupancy Review
Credit 5:  Measurement & Verification 1 Point Install continuous metering of equipment and system operations.
Credit 6:  Green Power ,[object Object],[object Object],[object Object],[object Object]
Credit 4  Ozone Depletion ,[object Object],[object Object],[object Object],[object Object],[object Object],No more – this changed with LEED 2.2, October, 2005.
Credit 4  Ozone Depletion 1 Point for passing the Atmospheric Impact calculation “ Select refrigerants and equipment that minimize or eliminate the emission of compounds that contribute to ozone depletion and global warming”.  “ The base building HVAC&R equipment shall comply with the following formula, which sets a maximum threshold for the combined contributions to ODP and GWP.” Result:  R-22 and R123 equipment may be acceptable. R-410A equipment always meets the requirements
Refrigerant Types & Alternates ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
The Formula
Credit 4  Ozone Depletion The strategy for the consulting engineer is to select equipment with reduced refrigerant charge and increased equipment life.  Maintain equipment life to prevent leakage of refrigerant to the atmosphere. HOW?  The non-R410A and pro-R123 boys (Trane) must have cried to the Green Bldg Council. It says this, to get the 1 Point, fill out a sheet that calculates the weighted average of the sum of LCGWP and LCODP for all equipment above ½ lb. refrigerant – that applies to all water source hp’s. We have included such a spreadsheet!
Credit 4  Ozone Depletion
LEED Program and Heat Pumps ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Standard Product Features   Corrosion Protection Coated Air Coils Stainless Steel Drain Pan Reduces failures caused by formicary corrosion .  Passes 1,000 salt spray test. Does not reduce the capacity – no bridging of the fins.
Microprocessor Unit Controller PC board allows for minimal control box space. Allows for better monitoring. Voltage – high and low Safety trips LED Readout – remote readout DDC Control Compatible Fewer nuisance trips: By-pass safety switches at start-up. Intelligent reset – one time fault in 2 hours. Fault output – dry contact or LED ‘blink” code
New UPM Board Fault Status LED High Pressure  Low Pressure Condensate Overflow Freezestat Brown out/Low voltage Intelligent Reset – One Time After 5 minute Anti-Short Cycle Timing Features Random Start on Power Up 5 minute (on break) anti-short cycle 90 second delay on Low Pressure Jumper to disable all delays Dual Circuit Units use UPM II   Individual Pressure Switch fault  indication for each refrigerant circuit.  Independent fault  shutdown for each compressor
New UPM Board Fault Output Selection: Constant General Fault Alarm Pulsing On/Off Fault Alarm Same as UPM LED Blinking Pattern Energize Fault LED on wall thermostat Interface to DDC digital input for specific fault identification Select the Fault Output with the Jumper
Product Info   Downflow Units Some schools are placing these units in a 2 nd  floor equipment room.
Downflow Units Units are placed in a 2 nd  floor equipment room.
Split Systems Units to 30 Tons Good for retrofit (elevators) & sound critical areas Condensing Unit and  Air Handler You can take one of our water-cooled split system condensing units and couple it to an air handling unit that incorporates heat recovery for 100% OA applications. Use a EM or EC unit, sizes 072 and larger since it has dual circuits. You can even do hot gas by-pass and hot gas reheat. Use a different air handler
Single Side Front Access Vertical Unit Allows unit to be placed in a narrow closet with access to components in the front and water, electrical and condensate connections in the front A 5 ton unit can fit on a 36” x 36” closet.
ES Two-Stage R-410A Units This is very popular! A unit operates at less than 75%  of full load over 50% of the time. 2-stage heating and cooling  2, 3, 4, 5 and 6 Ton Capacity  Geothermal Schools  High Efficiency to 18.7 EER  Part Load over 21.0 EER   Low Operating Costs  ECM Fan Motor.
Two Stage R-410A Units ,[object Object],[object Object],Features: R-410A, 2-stages Unloads 67% Copeland Scroll ECM Fan Motor Better Control High Efficiency
Increased Static with ECM Motor, up to 1.2” ESP ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Payback is less than 2 years!  We have the performance data in EAD! ECM Fan Motor for ES and GS Units
ES 2-Stage Unit and ECM Motor CFM Performance:  Choice of 3 CFM’s, up 15% and down 15%. A jumper pin on the ECM board allows the CFM setting adjustment. On 2 stage units, stage 1 will have 33% drop in CFM. Nominal CFM   2400   2200   1840   1380   920 High 2200   2000   1600   1200   800 Med 1870   1700   1360   1020   680 Low Stage Two                       1600   1600   1150   900   575 High 1400   1400   1000   800   500 Med 1200   1200   850   700   425 Low Stage One Unit Size 071   Unit Size 061   Unit Size 049   Unit Size 035   Unit Size 025    
The ECM line is a brushless-DC motor with built-in speed and torque controls. The ECM has all the efficiency and speed control advantages of a DC motor plus programming options that can optimize system performance.  The ECM uses 1-phase AC input power and converts it into 3-phase operation. 3-phase motors have superior efficiency and reduced noise to single phase motors. The ECM uses GE patented back EMF (electromotive force) sensing to determine rotor position and perform the commutation function. The motor utilizes a permanent magnet rotor resulting in near zero rotor losses. The rotor is connected to the shaft though resilient rings to absorb high frequency torque ripple.   ECM Motor Option
Better Control with ES 2-Stage Unit Because the unit does not shut off at reduced loads and continues to run, good dehumidification control – part load High Efficiency at both full and part load Good for imbalanced heat and cool loads Now comes in 3 phase, 460 and 208-230 Commercial market Stage 1 cooling is about 72% of full load Stage 1 has EER improvement of 14%  Heating is 74% and 18% more efficient Stage 1 has 33% less CFM due to ECM motor Lower S/T ratio, higher latent cooling
Better Efficiency with ES 2-Stage Unit Nom  P/F  ARI GLHP Rating Ton  Model  Load  GPM  CFM  Tot Clg  EER  Tot Htg  COP 2  ES025  P  6.0  500  20000  24.5  15500  4.0 F  6.0  800  27500  18.7  19000  3.8 3  ES035  P  9.0  800  27000  24.5  20500  4.0 F  9.0  1200  38000  17.2  28000  3.8 4  ES049  P  12.0  1000  36000  21.8  28500  4.0 F  12.0  1600  49000  15.5  38000  3.6 5  ES061  P  14.0  1400  45000  23.5  36500  4.0 F  14.0  1400  62000  15.7  49000  3.6 6  ES072  P  18.0  1400  56000  21.8  42000  3.6 F  18.0  2200  74000  16.3  53000  3.7
Better Efficiency with ES 2-Stage Unit Nom  P/F  ARI WLHP Rating Ton  Model  Load  GPM  CFM  Tot Clg  EER  Tot Htg  COP 2  ES025  P  6.0  500  18800  17.5  20500  5.1 F  6.0  800  26000  16.0  30000  5.0 3  ES035  P  9.0  800  24000  17.0  27000  5.3 F  9.0  1200  36000  14.6  43000  4.8 4  ES049  P  12.0  1000  34000  16.0  39000  5.4 F  12.0  1600  48000  13.5  58000  4.8 5  ES061  P  14.0  1400  42000  17.0  48000  5.4 F  14.0  1400  60000  14.0  72000  4.7 6  ES072  P  18.0  1400  51000  15.8  55000  4.4 F  18.0  2200  72000  14.5  80000  4.5
ES Two-Stage Part Load
Part Load Efficiencies over 21.0 EER
ECM Fan Motor  Motor Controller
Factory-mtd Disconnect Switch When spec’s  make Division 15 responsible Factory mounted to reduce installation costs Allows the power to be shut-off for service Internally wired from switch to unit. Offers minimal jobsite coordination. Features and Options
Electric Heat Factory-mounted on EV, ES, GT and GS, 208-230/1/60, units only. Requires separate power source, 208-230/1/60. Mounts in the fan discharge and includes an electric heat control panel.
High Static Fans for 1½” - 2” ESP Belt Drive  3 to 6 tons Large Belt Drive Units Direct Drive Fans FHP can change fan motors, blower or both on direct drive units for higher external static pressures.
Flexibility on Unit Configurations Rear Discharge on Vertical Units
Flexibility on Unit Configurations Mirror Image on Horizontal Units Left or Right Side Return and Straight/End Discharge Air
Hot Water Heat Recovery for Condos Allows ability to heat hot water while the compressor is operating.  Adds desuperheater heat exchanger, internal water circulating pump, on/off fused switch and aquastat. General rule:  3,500 Btu/hr heating capacity per ton
Hot Water Heat Recovery External on EC and EM Units Internal on EV, ES, GT and GS Units Available as a field installed kit – but requires field installed piping. Coil only on 2-stage units, sizes  EM and EC 072 to 360, no water pump.  Figure 9 MBH on 3-ton.
Filters and Filter Racks Standard 1” thick  Optional Factory-mounted 2” thick Optional Factory-mounted 1” thick, 4-sided Filter Bracket.  2” thick also available.   Completely surrounds the filter, includes door and allows for return duct conn.
Phase Loss and Phase Reversal ,[object Object],[object Object],[object Object],[object Object],[object Object],How it works: 3-phase power is connected to the bottom 3 terminals, 208, 230, 460 or 575 volts.  If the phases are out of sequence, or if one drops out, a set of normally open contacts, Y/Y-OUT, will never close, dis-arming our 24 volt control circuit.  If a phase is lost, reversed, or imbalanced while energized, the contacts will open and remain open until the error is corrected.  A “green” LED indicates the output is energized and a “red” LED indicates a fault.  It is auto reset.
Extra Quiet Sound Packages Different Packages for Different Units Depends on the compressor type. Compressor Blanket   Covers the compressor with ½” thick closed cell foam.  Not available on rotary type - sizes 007, 009, 010, 012.  Not on scroll type, GT, GS, EV, ES & EM/EC 060, 070. Insulated Compressor Base Pan   Covers the base pan with ½” thick closed cell foam.  Almost all units. Discharge Gas Muffler   Applies to recip compressors – EM015 thru 051  Standard on EC w/ recip – sizes 018 to 042 Discharge Muffler and Insulated Compressor Base Pan  For recip types,   EM sizes 015 – 051 and size 072
Cupro-nickel Coaxial HX Replaces the copper inner tube.  Good for city water, ground water, pool water and brackish water application.  It makes it harder to have a fouling problem.
Differential Water Pressure Switch Factory-Mounted Flow Switch Available on all horizontal and vertical units. Proves there water flow before allowing compressor(s) to come on. Great for water-to-water units
FHP Factory mounted DDC Controller Complete with wall sensor leaving air sensor and leaving water sensor. BacNet Mod Bus N2 Bus LonWorks One and two stage units It will interface with UPM fault outputs to  allow for the proper fault code.
Room Sensors – 3 Types
Factory-Mounted Other’s DDC Controls We will mount and wire anyone’s DDC controller We can put it in an enclosure, or simply mount it to an outside panel.
For Large EM or EC Vertical Units Take-A-Part Construction Large EC/EM
Hot Gas Reheat - Humidity Control Includes: Reheat Coil Reheat Solenoid Valve Hot gas by-pass valve  (optional) Available on all H & V Units ½ to 60 tons EM GT/GS MB EC EV/ES  ES 2-stage
Why Hot Gas Reheat ? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],5.  We deliver neutral temp air to the space.
Wallstat Control – combo stat/humid Wall Thermostats Programmable – night setback Cooling setpoint – by time of day Heating setpoint – by time of day Humidity setpoint – dehumidification Includes a “dehumidification” terminal to energize full cooling, both compressors,  and both reheat valves. Allows an extra “comfort” parameter for the occupant.
Hot Gas Reheat Refrigeration Schematic Reheat Valve
Staged Hot Gas Reheat Here’s How it Works: Humidistat calls for reduced humidity – starts compressor and reheat.  Reheat drops out if the space temp is not satisfied = “cooling dominant”. 77°F
Staged Hot Gas Reheat Rule of Thumb:   The leaving air off the reheat coil is 2°F lower than the EAT to DX coil. Btu/hr reheat = .90 x sensible cooling Btu/hr. It is a slight cooling process. 77°F
Why consider Hot Gas Reheat? It controls humidity. The “reheat” is free. It is heat that is normally rejected to the water loop. Does not require extra input energy. Good for larger spaces. Great for hotel lobbies, locker rooms and conference rooms.
100% Outdoor Air Series Evap Unit Delivers neutral air: Cool to 55 F and reheat to neutral air, 70-80 F. Designed for 160-200 CFM/ton – single fan Dual compressors 6 row cooling coil Hot gas by-pass Hot gas reheat with modulating control
Modulating Hot Gas Reheat How it works: Cooling comes on and the hot gas reheat valve modulates to maintain discharge air temp. Application is 100% Outdoor Air  Neutral air is delivered to the return path of the other heat pump units.
Series Evaporator for 100% OA Now we are introducing 6,000 CFM thru 2 evap coils Take a 30 ton unit at 6,000 CFM = 200 CFM/ton
Series Evap – How it works? Cooling: Heating: Stage 1 or 2 calls for cooling: Hot gas reheat modulates to hold discharge air temperature.
Series Evap – Psychrometrics
Typical (100% OA) Series Evap Unit The unit will have: Dual compressors Hot Gas By-pass – both circuits Modulating hot gas reheat Dual evap coils arranged in series – 6 rows Two compressors operate in cooling One compressor has hot gas reheat One compressor has compressor heating Special fan – convert to a single fan
Heating Mode We need to preheat the air to about 40 - 45°F in order to energize the compressor for the heating mode.
Heat Mode - Preheat Loop Water Coil  We can add a 3-4 row preheat water coil, factory-mounted, to run 60°F loop water thru and get about 48°F leaving air temp of the coil.
Reduce Operating Costs Pre-cools the entering air with water from the loop via a 3-4 row coil. First stage is cooling.  If the water is cold enough – open the 3-way diverting valve to the econo coil.  Then compressor.  Water always flows thru coax. Rule of Thumb:  Econo coil produces ½ of the cooling at 50°F ent. water. Waterside Economizer – Free Cooling It is being applied to geothermal jobs.
Model WW  R410A Water-to-water Units – 2 to 35 tons Makes warm water, 120°F and cold water, 45°F. Our fastest growing product.  There are many different applications. No brazed plate heat exchangers – coax only
Water-to-Water Unit Scheme Makes warm  and  cold water. Max water is 120-130°F. Min water is 45°F.
Typical Application of Water-to-water  Water-to-water unit supplies water to remote air handling unit to treat 100% outdoor air, which is distributed to the return air path of the WSHP units. Other Applications: FCU’s, reheat, radiant floor heat
Water-to-water Options ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Optional Potable Water Heater On 2- 6 ton units Load side HX is double-walled and vented
Water-to-Water Unit Controller ,[object Object],[object Object],[object Object],[object Object]
Water-to-Water Design Guidelines ,[object Object],Buffer Tanks are common.  Allows operation in heating. Allows a different GPM in the water-to-water load side versus the terminal units. Size to obtain a total piping volume of 10 gallons/ton; WW420 needs 300 gallons of water volume.
Multiple Units & Buffer Tank to Loads ,[object Object],Buffer Tanks are common.  Allows operation in heating.  Allows a different GPM in the water-to-water load side versus the terminal units.  Size to obtain a total piping volume of 10 gallons/ton; WW420 needs 300 gallons of water volume.
Typical Job 3 units in parallel feeding an air handler
Typical Job – 2 units in parallel feeding radiant floor heating system with buffer tank (2) Water-to-water
Multiple Water-to-Water Units  Three Units in Parallel with 3-Way Valves and 2 Storage Tanks
Multiple Water-to-Water Units  Heating
Multiple Water-to-Water Units  Cooling
Geothermal Technology ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Dual Range of Efficiencies – R410A Boiler/Tower  WLHP  86°F EWT Cool   68°F EWT Heat Model EC 12.7 EER 4.4 COP Model EV 14.0 EER 4.8 COP Geothermal   GSHP  77°F EWT Cool   32°F EWT Heat Model EC 14.1 EER 3.2 COP Model EV 16.2 EER 3.3 COP Model ES 17.0 EER 3.3 COP All FHP units are rated for both boiler/tower and geothermal applications. You have to be able to offer at least 2 levels of efficiency! R-410A units are slightly more efficient than R-22 units.
Geothermal Rules of Thumb
Earth’s Heat Sink for Geothermal 47% of Sun’s Energy is Absorbed ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Geothermal’s Connection to the Earth ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Vertical Loops One Pair 175-225’ bore hole/ton Two Pair Series/Parallel - One Pair
Vertical Loops ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
How do we size loop systems? ,[object Object],[object Object],[object Object],[object Object]
Typical Commercial Job   ,[object Object],[object Object]
Typical System Costs – A Sample ,[object Object],[object Object],[object Object],[object Object],Other: Iowa School:  95,300 sf  180 bore holes @ 160’ ea.  54 units + gas well field $2.38/sf, piping $2.54/sf, equip $2.45/sf, DDC $.67/sf, Bal $.09/sf, SM $4.18/sf, pipe $.68/sf Total of $12.99/sf Total HVAC cost, or $1,238,800.  Loop cost was $7.88/ft of bore, 28,800’ bore. Nebraska School:  69,670 sf  28,800 ft of bore  Loop cost was $5.93/sf. Well field $2.45/sf, Equipment $6.70/sf, Other $.29/sf  Total HVAC cost $9.44/ft. Average Installed Costs:  $3,500/ton
Geothermal System Costs ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
ASHRAE Comparison of 3 Systems ,[object Object],[object Object],[object Object],[object Object]
Installed Cost Comparison
Operating Cost Comparison
Economics by Gordon Bloomquist
Installed Costs
Installed Cost from R. S. Means
Operating and Maint. Costs By Bldg Type
Geothermal Heat Pump Project  Considerations ,[object Object],[object Object],[object Object],[object Object],[object Object],GSHP Installation
Operating Cost Comparison
Operating Cost Comparison Barrett School uses Water-to-Water Units for Make Up Air
Operating Cost Comparison
Maintenance Cost Comparison
Geothermal Loop Design Software Determine total bore length  Allows input of EWT’s  Sizes loop for cooling  Sizes loop for heating  Calcs loop temp after 20 years
Geothermal Loop Design Software Geothermal Computer Programs - Loop Sizing 1.  GLHEPRO V.3.0 from IGSHPA          $525   2.  The Design Studio Ground Loop Design from Geothermal Bore Technologies, Inc  $550 3.  GCHPCalc 4.1 by Ground Source Heat Pump Design   $300 System Analysis (Free) 1.  E-Quest – energy simulation of different systems 2.  Retscreen – payback analysis of geothermal systems Geothermal Design Books 1.  Closed-Loop/Ground-Source Heat Pump Systems - Installation Guide   $95.00 From the IGSHPA, International Ground Source Heat Pump Association  236 pages  Includes info on selecting, sizing, and designing the loop. 2.  Ground-Source Heat Pumps - Design of Geothermal Systems for Commercial and Institutional Buildings  $86.00    From ASHRAE.  Authors Stephen Kavanaugh and Kevin Rafferty 167 pages Includes loop design, plus info on how to apply geothermal heat pumps.
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Geothermal Loop Design Software
E Quest 3.6 Software for Payback http://www.doe2.com/equest/ DOE 2 Program – The Quick Energy Simulation Tool Load your building to get hourly energy consumption via weather data Bldg site, construction, operation schedule, internal loads, HVAC system, utility rates, parameters for life-cycle cost, HVAC zoning HVAC System Types: Packaged, WSHP, Chillers, Towers, Boilers Compares 2 Systems  Monthly Energy Consumption for gas and electric  Monthly Utility Bills  Annual Energy and Demand  Peak Demand  End Use Report  HVAC Plant Report  Life Cycle Report  Economics Report   Allows full input of geothermal system including GPM, well depth, bore  hole separation and diameter, pipe size, antifreeze, grout and ground temp.
Geo School Software http://www.geoexchange.org/schools/hvac.htm Energy Smart Choices for Schools – An HVAC Comparison Tool Select between 4-Pipe Unit Vent with Chiller/Boiler  VAV Chiller/Boiler  Air Source Heat Pump  Gas Rooftop and Air Conditioning  Water Source Heat Pump and Gas Boiler Select your school size in sq. ft.  Select your city  Select your electric rate and your gas rate Hit Calculate and it Compares Geothermal versus the other selected system.  Installed Cost – Maintenance Cost 1 st  yr – Operating Cost 1 st  yr – Total  Graphs Yearly Savings – ROI - Net Present Value – Graph Op and Main. $
Geothermal Loop Design Software
Geothermal Installation
Geothermal Installation
 
 
 
 
316 – 300’ boreholes 42 miles of HDPE North Parking Lot MURRAY HIGH SCHOOL LOOPFIELD
MECHANICAL SYSTEM SAVINGS ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],UTILITY COST  (First Year)
What’s New in Geothermal Technology ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Engineering Application Data (EAD) Software ,[object Object],[object Object],[object Object],[object Object],[object Object]
Summary of the FHP Product Line ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Questions? Thank You!

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Product

  • 2. Florida Heat Pump Craig Fischbach Eastern Regional Sales Manager
  • 3.
  • 4.
  • 5.
  • 6. Basic Closed-Loop System Boiler/Tower System Closed Circuit Cooler Boiler Primary pump Stand-by pump
  • 7. Basic Two Loop Open Tower Pump 1 Pump 2 Plate-in-frame HX Heat Pump Units Boiler Primary pump Stand-by pump Boiler/Tower System
  • 8.
  • 9.
  • 10.
  • 11. Sizes, Geo, ECM Motor, HGRH & Elec Ht
  • 12. Small Horizontal Units EC ( R-410A ) Series: ½ ton to 6 ton EM Series: ½ ton to 6 ton EV/ES ( R-410A ) Series: 1-¾ ton to 6 ton GT/GS Series: 1 to 6 ton Geothermal Split Systems Mirror image configurations Hot gas by-pass Hot gas reheat ECM motors Electric heat
  • 13. Large Horizontal Units EC ( R-410A ) Series: 6 ton to 20 ton EM Series: 6 ton to 20 ton Geothermal Split Systems Hot gas by-pass Hot gas reheat
  • 14. Small Vertical Units EC ( R-410A )Series: ½ ton to 6 ton EM Series: ½ ton to 6 ton EV/ES ( R-410A ) Series: 1- ¾ ton to 6 ton GT/GS Series: 1- ¾ ton to 6 ton Geothermal Split Systems Left and right hand piping Hot gas by-pass Hot gas reheat ECM motors Electric heat
  • 15.
  • 16. Large Vertical Units EC ( R-410A ) Series: 6 ton to 30 tons EM Series: 6 ton to 30 tons Geothermal Split Systems Front and back return Top or side discharge Hot gas by-pass Hot gas reheat VFD’s Waterside Economizer 100% Outdoor Air
  • 17. Larger Vertical Units MC ( R-410A ) Series: 30 ton to 60 ton MB Series: 30 ton to 60 ton Front and back return Top or side discharge Hot gas by-pass Hot gas reheat VFD’s Waterside Economizer
  • 18. Water-to-Water Units – 2 to 35 tons Makes warm water, 120°F and cold water, 45°F. No brazed plate heat exchangers – coax only
  • 19. Slope Top Console – ¾ to 1½ tons Available in Two Series: CA R-410A CS R-22 Geothermal is standard Left and right hand piping Chassis only Disconnect switch
  • 20. Why switch to R- 410A now? Montreal protocol and the US Clean Air Act says it can be: We can not make R-22 units after January 1, 2010 R-22 can be used for new equipment until 2010. R-22 can be used for service until 2020. Production caps will make the availability of R-22 uncertain. R-22 compressors will become less available. R-22 replacement parts and refrigerant costs will increase. High repair costs will force units to be replaced. FHP is committed to offering all of our product lines with R-410A.
  • 21.
  • 22. Dual Range of Efficiencies – R410A Boiler/Tower WLHP 86°F EWT Cool 68°F EWT Heat Model EC 12.7 EER 4.4 COP Model EV 14.0 EER 4.8 COP Geothermal GSHP 77°F EWT Cool 32°F EWT Heat Model EC 14.1 EER 3.2 COP Model EV 16.2 EER 3.3 COP Model ES 17.0 EER 3.3 COP All FHP units are rated for both boiler/tower and geothermal applications. You have to be able to offer at least 2 levels of efficiency! R-410A units are slightly more efficient than R-22 units.
  • 23.
  • 24. Points for LEED™ Rating R-410A products meets the Atmospheric Impact requirement of 100. We have a complete list of unit refrigerant charges as well as a Atmospheric Impact spreadsheet.
  • 25. LEED™ Program It is a performance-oriented system where points are earned for satisfying performance criteria. 14 Points Sustainable Sites 5 Points Water Efficiency 17 Points Energy and Atmosphere 13 Points Materials and Resources 15 Points Indoor Environment 5 Points Innovation and Design Process 69 Points - Total Possible with these rating categories: Platinum 52+ Gold 39-51 points Silver 33-38 points Certified 26-32 points
  • 26. LEED™ Program – 6 Categories 1. Sustainable Sites – location. 2. Water Efficiency – water usage 3. Energy and Atmosphere – energy consumption (HVAC) 4. Materials and Resources – construction. 5. Indoor Environmental Quality – IAQ and comfort. 6. Innovation and Design Process – new technology.
  • 27. HVAC – Energy and Atmosphere 17 of the 69 points are in Energy and Atmosphere 14 Points Sustainable Sites 5 Points Water Efficiency 17 Points Energy and Atmosphere 13 Points Materials and Resources 15 Points Indoor Environment 5 Points Innovation and Design Process 69 Points - Total
  • 28.
  • 29. Credit 1: Optimize Energy Performance Reduce Design Energy Costs Points based on efficiency vs std. bldg. Points New Bldgs. Existing Bldgs. 1 10.5% 3.5% 2 14.0% 7.0% 3 17.5% 10.5% 4 21.0% 14.0% 5 24.5% 17.5% 6 28.0% 21.0% 7 31.5% 24.5% 8 35.0% 28.0% 9 38.5% 31.5% 10 42.0% 35.0%
  • 30. Credit 2: Renewable Energy % Renewable Energy Points 2.5% 1 7.5% 2 12.5% 3 Supply this percent of the building’s total energy usage (expressed as a fraction of annual energy cost) through the use of on-site renewable energy systems. Photovoltaic (PV) Solar Biomass Wind Passive solar, solar HW, Geo Heat Pumps & Daylighting do not qualify since they do not generate electricity.
  • 31. Credit 3: Additional Commissioning 1 Point Review the building design and construction documents to identify potential problems and areas for improvement, providing long-term documentation fro optimization and implementing a continuous improvement program. 1. Schematic Design Review 2. Construction Documents Review 3. Focused Review of Submittals 4. Systems Manual 5. Near-Warranty End or Post Occupancy Review
  • 32. Credit 5: Measurement & Verification 1 Point Install continuous metering of equipment and system operations.
  • 33.
  • 34.
  • 35. Credit 4 Ozone Depletion 1 Point for passing the Atmospheric Impact calculation “ Select refrigerants and equipment that minimize or eliminate the emission of compounds that contribute to ozone depletion and global warming”. “ The base building HVAC&R equipment shall comply with the following formula, which sets a maximum threshold for the combined contributions to ODP and GWP.” Result: R-22 and R123 equipment may be acceptable. R-410A equipment always meets the requirements
  • 36.
  • 38. Credit 4 Ozone Depletion The strategy for the consulting engineer is to select equipment with reduced refrigerant charge and increased equipment life. Maintain equipment life to prevent leakage of refrigerant to the atmosphere. HOW? The non-R410A and pro-R123 boys (Trane) must have cried to the Green Bldg Council. It says this, to get the 1 Point, fill out a sheet that calculates the weighted average of the sum of LCGWP and LCODP for all equipment above ½ lb. refrigerant – that applies to all water source hp’s. We have included such a spreadsheet!
  • 39. Credit 4 Ozone Depletion
  • 40.
  • 41. Standard Product Features Corrosion Protection Coated Air Coils Stainless Steel Drain Pan Reduces failures caused by formicary corrosion . Passes 1,000 salt spray test. Does not reduce the capacity – no bridging of the fins.
  • 42. Microprocessor Unit Controller PC board allows for minimal control box space. Allows for better monitoring. Voltage – high and low Safety trips LED Readout – remote readout DDC Control Compatible Fewer nuisance trips: By-pass safety switches at start-up. Intelligent reset – one time fault in 2 hours. Fault output – dry contact or LED ‘blink” code
  • 43. New UPM Board Fault Status LED High Pressure Low Pressure Condensate Overflow Freezestat Brown out/Low voltage Intelligent Reset – One Time After 5 minute Anti-Short Cycle Timing Features Random Start on Power Up 5 minute (on break) anti-short cycle 90 second delay on Low Pressure Jumper to disable all delays Dual Circuit Units use UPM II Individual Pressure Switch fault indication for each refrigerant circuit. Independent fault shutdown for each compressor
  • 44. New UPM Board Fault Output Selection: Constant General Fault Alarm Pulsing On/Off Fault Alarm Same as UPM LED Blinking Pattern Energize Fault LED on wall thermostat Interface to DDC digital input for specific fault identification Select the Fault Output with the Jumper
  • 45. Product Info Downflow Units Some schools are placing these units in a 2 nd floor equipment room.
  • 46. Downflow Units Units are placed in a 2 nd floor equipment room.
  • 47. Split Systems Units to 30 Tons Good for retrofit (elevators) & sound critical areas Condensing Unit and Air Handler You can take one of our water-cooled split system condensing units and couple it to an air handling unit that incorporates heat recovery for 100% OA applications. Use a EM or EC unit, sizes 072 and larger since it has dual circuits. You can even do hot gas by-pass and hot gas reheat. Use a different air handler
  • 48. Single Side Front Access Vertical Unit Allows unit to be placed in a narrow closet with access to components in the front and water, electrical and condensate connections in the front A 5 ton unit can fit on a 36” x 36” closet.
  • 49. ES Two-Stage R-410A Units This is very popular! A unit operates at less than 75% of full load over 50% of the time. 2-stage heating and cooling 2, 3, 4, 5 and 6 Ton Capacity Geothermal Schools High Efficiency to 18.7 EER Part Load over 21.0 EER Low Operating Costs ECM Fan Motor.
  • 50.
  • 51.
  • 52. ES 2-Stage Unit and ECM Motor CFM Performance: Choice of 3 CFM’s, up 15% and down 15%. A jumper pin on the ECM board allows the CFM setting adjustment. On 2 stage units, stage 1 will have 33% drop in CFM. Nominal CFM   2400   2200   1840   1380   920 High 2200   2000   1600   1200   800 Med 1870   1700   1360   1020   680 Low Stage Two                       1600   1600   1150   900   575 High 1400   1400   1000   800   500 Med 1200   1200   850   700   425 Low Stage One Unit Size 071   Unit Size 061   Unit Size 049   Unit Size 035   Unit Size 025    
  • 53. The ECM line is a brushless-DC motor with built-in speed and torque controls. The ECM has all the efficiency and speed control advantages of a DC motor plus programming options that can optimize system performance. The ECM uses 1-phase AC input power and converts it into 3-phase operation. 3-phase motors have superior efficiency and reduced noise to single phase motors. The ECM uses GE patented back EMF (electromotive force) sensing to determine rotor position and perform the commutation function. The motor utilizes a permanent magnet rotor resulting in near zero rotor losses. The rotor is connected to the shaft though resilient rings to absorb high frequency torque ripple. ECM Motor Option
  • 54. Better Control with ES 2-Stage Unit Because the unit does not shut off at reduced loads and continues to run, good dehumidification control – part load High Efficiency at both full and part load Good for imbalanced heat and cool loads Now comes in 3 phase, 460 and 208-230 Commercial market Stage 1 cooling is about 72% of full load Stage 1 has EER improvement of 14% Heating is 74% and 18% more efficient Stage 1 has 33% less CFM due to ECM motor Lower S/T ratio, higher latent cooling
  • 55. Better Efficiency with ES 2-Stage Unit Nom P/F ARI GLHP Rating Ton Model Load GPM CFM Tot Clg EER Tot Htg COP 2 ES025 P 6.0 500 20000 24.5 15500 4.0 F 6.0 800 27500 18.7 19000 3.8 3 ES035 P 9.0 800 27000 24.5 20500 4.0 F 9.0 1200 38000 17.2 28000 3.8 4 ES049 P 12.0 1000 36000 21.8 28500 4.0 F 12.0 1600 49000 15.5 38000 3.6 5 ES061 P 14.0 1400 45000 23.5 36500 4.0 F 14.0 1400 62000 15.7 49000 3.6 6 ES072 P 18.0 1400 56000 21.8 42000 3.6 F 18.0 2200 74000 16.3 53000 3.7
  • 56. Better Efficiency with ES 2-Stage Unit Nom P/F ARI WLHP Rating Ton Model Load GPM CFM Tot Clg EER Tot Htg COP 2 ES025 P 6.0 500 18800 17.5 20500 5.1 F 6.0 800 26000 16.0 30000 5.0 3 ES035 P 9.0 800 24000 17.0 27000 5.3 F 9.0 1200 36000 14.6 43000 4.8 4 ES049 P 12.0 1000 34000 16.0 39000 5.4 F 12.0 1600 48000 13.5 58000 4.8 5 ES061 P 14.0 1400 42000 17.0 48000 5.4 F 14.0 1400 60000 14.0 72000 4.7 6 ES072 P 18.0 1400 51000 15.8 55000 4.4 F 18.0 2200 72000 14.5 80000 4.5
  • 58. Part Load Efficiencies over 21.0 EER
  • 59. ECM Fan Motor Motor Controller
  • 60. Factory-mtd Disconnect Switch When spec’s make Division 15 responsible Factory mounted to reduce installation costs Allows the power to be shut-off for service Internally wired from switch to unit. Offers minimal jobsite coordination. Features and Options
  • 61. Electric Heat Factory-mounted on EV, ES, GT and GS, 208-230/1/60, units only. Requires separate power source, 208-230/1/60. Mounts in the fan discharge and includes an electric heat control panel.
  • 62. High Static Fans for 1½” - 2” ESP Belt Drive 3 to 6 tons Large Belt Drive Units Direct Drive Fans FHP can change fan motors, blower or both on direct drive units for higher external static pressures.
  • 63. Flexibility on Unit Configurations Rear Discharge on Vertical Units
  • 64. Flexibility on Unit Configurations Mirror Image on Horizontal Units Left or Right Side Return and Straight/End Discharge Air
  • 65. Hot Water Heat Recovery for Condos Allows ability to heat hot water while the compressor is operating. Adds desuperheater heat exchanger, internal water circulating pump, on/off fused switch and aquastat. General rule: 3,500 Btu/hr heating capacity per ton
  • 66. Hot Water Heat Recovery External on EC and EM Units Internal on EV, ES, GT and GS Units Available as a field installed kit – but requires field installed piping. Coil only on 2-stage units, sizes EM and EC 072 to 360, no water pump. Figure 9 MBH on 3-ton.
  • 67. Filters and Filter Racks Standard 1” thick Optional Factory-mounted 2” thick Optional Factory-mounted 1” thick, 4-sided Filter Bracket. 2” thick also available. Completely surrounds the filter, includes door and allows for return duct conn.
  • 68.
  • 69. Extra Quiet Sound Packages Different Packages for Different Units Depends on the compressor type. Compressor Blanket Covers the compressor with ½” thick closed cell foam. Not available on rotary type - sizes 007, 009, 010, 012. Not on scroll type, GT, GS, EV, ES & EM/EC 060, 070. Insulated Compressor Base Pan Covers the base pan with ½” thick closed cell foam. Almost all units. Discharge Gas Muffler Applies to recip compressors – EM015 thru 051 Standard on EC w/ recip – sizes 018 to 042 Discharge Muffler and Insulated Compressor Base Pan For recip types, EM sizes 015 – 051 and size 072
  • 70. Cupro-nickel Coaxial HX Replaces the copper inner tube. Good for city water, ground water, pool water and brackish water application. It makes it harder to have a fouling problem.
  • 71. Differential Water Pressure Switch Factory-Mounted Flow Switch Available on all horizontal and vertical units. Proves there water flow before allowing compressor(s) to come on. Great for water-to-water units
  • 72. FHP Factory mounted DDC Controller Complete with wall sensor leaving air sensor and leaving water sensor. BacNet Mod Bus N2 Bus LonWorks One and two stage units It will interface with UPM fault outputs to allow for the proper fault code.
  • 73. Room Sensors – 3 Types
  • 74. Factory-Mounted Other’s DDC Controls We will mount and wire anyone’s DDC controller We can put it in an enclosure, or simply mount it to an outside panel.
  • 75. For Large EM or EC Vertical Units Take-A-Part Construction Large EC/EM
  • 76. Hot Gas Reheat - Humidity Control Includes: Reheat Coil Reheat Solenoid Valve Hot gas by-pass valve (optional) Available on all H & V Units ½ to 60 tons EM GT/GS MB EC EV/ES ES 2-stage
  • 77.
  • 78. Wallstat Control – combo stat/humid Wall Thermostats Programmable – night setback Cooling setpoint – by time of day Heating setpoint – by time of day Humidity setpoint – dehumidification Includes a “dehumidification” terminal to energize full cooling, both compressors, and both reheat valves. Allows an extra “comfort” parameter for the occupant.
  • 79. Hot Gas Reheat Refrigeration Schematic Reheat Valve
  • 80. Staged Hot Gas Reheat Here’s How it Works: Humidistat calls for reduced humidity – starts compressor and reheat. Reheat drops out if the space temp is not satisfied = “cooling dominant”. 77°F
  • 81. Staged Hot Gas Reheat Rule of Thumb: The leaving air off the reheat coil is 2°F lower than the EAT to DX coil. Btu/hr reheat = .90 x sensible cooling Btu/hr. It is a slight cooling process. 77°F
  • 82. Why consider Hot Gas Reheat? It controls humidity. The “reheat” is free. It is heat that is normally rejected to the water loop. Does not require extra input energy. Good for larger spaces. Great for hotel lobbies, locker rooms and conference rooms.
  • 83. 100% Outdoor Air Series Evap Unit Delivers neutral air: Cool to 55 F and reheat to neutral air, 70-80 F. Designed for 160-200 CFM/ton – single fan Dual compressors 6 row cooling coil Hot gas by-pass Hot gas reheat with modulating control
  • 84. Modulating Hot Gas Reheat How it works: Cooling comes on and the hot gas reheat valve modulates to maintain discharge air temp. Application is 100% Outdoor Air Neutral air is delivered to the return path of the other heat pump units.
  • 85. Series Evaporator for 100% OA Now we are introducing 6,000 CFM thru 2 evap coils Take a 30 ton unit at 6,000 CFM = 200 CFM/ton
  • 86. Series Evap – How it works? Cooling: Heating: Stage 1 or 2 calls for cooling: Hot gas reheat modulates to hold discharge air temperature.
  • 87. Series Evap – Psychrometrics
  • 88. Typical (100% OA) Series Evap Unit The unit will have: Dual compressors Hot Gas By-pass – both circuits Modulating hot gas reheat Dual evap coils arranged in series – 6 rows Two compressors operate in cooling One compressor has hot gas reheat One compressor has compressor heating Special fan – convert to a single fan
  • 89. Heating Mode We need to preheat the air to about 40 - 45°F in order to energize the compressor for the heating mode.
  • 90. Heat Mode - Preheat Loop Water Coil We can add a 3-4 row preheat water coil, factory-mounted, to run 60°F loop water thru and get about 48°F leaving air temp of the coil.
  • 91. Reduce Operating Costs Pre-cools the entering air with water from the loop via a 3-4 row coil. First stage is cooling. If the water is cold enough – open the 3-way diverting valve to the econo coil. Then compressor. Water always flows thru coax. Rule of Thumb: Econo coil produces ½ of the cooling at 50°F ent. water. Waterside Economizer – Free Cooling It is being applied to geothermal jobs.
  • 92. Model WW R410A Water-to-water Units – 2 to 35 tons Makes warm water, 120°F and cold water, 45°F. Our fastest growing product. There are many different applications. No brazed plate heat exchangers – coax only
  • 93. Water-to-Water Unit Scheme Makes warm and cold water. Max water is 120-130°F. Min water is 45°F.
  • 94. Typical Application of Water-to-water Water-to-water unit supplies water to remote air handling unit to treat 100% outdoor air, which is distributed to the return air path of the WSHP units. Other Applications: FCU’s, reheat, radiant floor heat
  • 95.
  • 96. Optional Potable Water Heater On 2- 6 ton units Load side HX is double-walled and vented
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  • 100. Typical Job 3 units in parallel feeding an air handler
  • 101. Typical Job – 2 units in parallel feeding radiant floor heating system with buffer tank (2) Water-to-water
  • 102. Multiple Water-to-Water Units Three Units in Parallel with 3-Way Valves and 2 Storage Tanks
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  • 106. Dual Range of Efficiencies – R410A Boiler/Tower WLHP 86°F EWT Cool 68°F EWT Heat Model EC 12.7 EER 4.4 COP Model EV 14.0 EER 4.8 COP Geothermal GSHP 77°F EWT Cool 32°F EWT Heat Model EC 14.1 EER 3.2 COP Model EV 16.2 EER 3.3 COP Model ES 17.0 EER 3.3 COP All FHP units are rated for both boiler/tower and geothermal applications. You have to be able to offer at least 2 levels of efficiency! R-410A units are slightly more efficient than R-22 units.
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  • 109.
  • 110. Vertical Loops One Pair 175-225’ bore hole/ton Two Pair Series/Parallel - One Pair
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  • 119. Economics by Gordon Bloomquist
  • 121. Installed Cost from R. S. Means
  • 122. Operating and Maint. Costs By Bldg Type
  • 123.
  • 125. Operating Cost Comparison Barrett School uses Water-to-Water Units for Make Up Air
  • 128. Geothermal Loop Design Software Determine total bore length Allows input of EWT’s Sizes loop for cooling Sizes loop for heating Calcs loop temp after 20 years
  • 129. Geothermal Loop Design Software Geothermal Computer Programs - Loop Sizing 1.  GLHEPRO V.3.0 from IGSHPA          $525 2.  The Design Studio Ground Loop Design from Geothermal Bore Technologies, Inc  $550 3.  GCHPCalc 4.1 by Ground Source Heat Pump Design   $300 System Analysis (Free) 1. E-Quest – energy simulation of different systems 2. Retscreen – payback analysis of geothermal systems Geothermal Design Books 1. Closed-Loop/Ground-Source Heat Pump Systems - Installation Guide $95.00 From the IGSHPA, International Ground Source Heat Pump Association 236 pages Includes info on selecting, sizing, and designing the loop. 2. Ground-Source Heat Pumps - Design of Geothermal Systems for Commercial and Institutional Buildings $86.00 From ASHRAE. Authors Stephen Kavanaugh and Kevin Rafferty 167 pages Includes loop design, plus info on how to apply geothermal heat pumps.
  • 130.
  • 131. E Quest 3.6 Software for Payback http://www.doe2.com/equest/ DOE 2 Program – The Quick Energy Simulation Tool Load your building to get hourly energy consumption via weather data Bldg site, construction, operation schedule, internal loads, HVAC system, utility rates, parameters for life-cycle cost, HVAC zoning HVAC System Types: Packaged, WSHP, Chillers, Towers, Boilers Compares 2 Systems Monthly Energy Consumption for gas and electric Monthly Utility Bills Annual Energy and Demand Peak Demand End Use Report HVAC Plant Report Life Cycle Report Economics Report Allows full input of geothermal system including GPM, well depth, bore hole separation and diameter, pipe size, antifreeze, grout and ground temp.
  • 132. Geo School Software http://www.geoexchange.org/schools/hvac.htm Energy Smart Choices for Schools – An HVAC Comparison Tool Select between 4-Pipe Unit Vent with Chiller/Boiler VAV Chiller/Boiler Air Source Heat Pump Gas Rooftop and Air Conditioning Water Source Heat Pump and Gas Boiler Select your school size in sq. ft. Select your city Select your electric rate and your gas rate Hit Calculate and it Compares Geothermal versus the other selected system. Installed Cost – Maintenance Cost 1 st yr – Operating Cost 1 st yr – Total Graphs Yearly Savings – ROI - Net Present Value – Graph Op and Main. $
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  • 140. 316 – 300’ boreholes 42 miles of HDPE North Parking Lot MURRAY HIGH SCHOOL LOOPFIELD
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Notas del editor

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