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["Advanced Technology Specification: \nHeat Pump Water Heaters\n"]
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["Summary"]
["The U.S. Department of Energy (DOE) and the Commercial Building Energy Alliances (CBEA) have developed this specification for high-efficiency Heat Pump Water Heaters with input from manufacturers and other stakeholder organizations.  This specification provides a description of required and recommended performance characteristics resulting in increased energy savings for Commercial Storage Water Heaters."]
["\nThrough the creation of high-performance specifications, the CBEA members signal their collective interest in more efficient equipment and challenge manufacturers to deliver competitively-priced, innovative products.\n"]
["\nMore on the DOE and CBEA activities, including other energy saving specifications, can be found at:  http://www1.eere.energy.gov/buildings/commercial/cbea.html"]
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["Specification Contents"]
["This file contains two specifications, both of which include the same energy requirements."]
["i. ","The 'Energy-Only Specification' provides only the energy-related requirements as a guide for CBEA purchasers to incorporate in their own specifications. "]
["ii. ","The 'Full Specification' provides an example of a comprehensive purchase specification including energy-related items and all other relevant elements. This specification can be customized by the CBEA purchaser to suit their specific needs. "]
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["Instructions for Using this Specification"]
["i.","Please fill in the appropriate project information in the header of each specification. "]
["ii.","For the 'Energy-Only Specification', please use energy-related requirements as a guide during modifications to your own comprehensive purchase specification, or as a supplementary attachment. "]
["iii. ","For the 'Full Specification', fill in all input cells (shaded in light blue). "]
[null,"a. ","Use 'n/a' for information not required for your specific needs. "]
[null,"b.","If the purchaser requires additional items for the specification, use the customizable cells (shaded in light green)."]
[null,"c.","Once the purchaser has completed the form, select the \"Finalize\" icon. \nNote:  Internet access required for full functionality. "]
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[null,"Legend"]
[null,"Input Cell"]
[null,"User-Customizable Cell"]

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["Advanced Technology Specification: \nHeat Pump Water Heaters\n"]
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["Energy-Efficiency Requirements"]
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["A.","Minimum Efficiency Requirements & Test Method"]
[null,"i.","The commercial storage water heater shall use an air-to-water heat pump as the primary heat source, in either of the following configurations:"]
[null,null,"a.","The heat pump could be included with the storage tank as an integrated heat pump water heater (HPWH)."]
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[null,null,"b.","The heat pump could be a modular, to be combined with a storage-type tank that is properly sized for the heat pump, according to manufacturer guidelines."]
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[null,"ii.","The energy efficiency of the integrated or modular HPWH shall be tested using the draft AHRI Standard 1301P (I-P) and the heat pump shall have a minimum coefficient of performance (COP) of 4.2."]
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["B.","Standby Loss Requirement & Test Method"]
[null,"i.","Integrated HPWHs shall conform to the current energy conservation standard:"]
[null,null,"a.","Maximum Standby Loss: 0.30 + 27/Vm (%/hr), where Vm is the measured volume."]
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[null,"ii.","Water heaters having more than 140 gallons of storage capacity need not meet the standby loss requirement if the tank surface area is thermally insulated to R–12.5 or more."]
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[null,"iii.","The standby loss shall be measured according to Section 2.10 of ANSI Z21.10.3-1998."]

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["Advanced Technology Specification: \nHeat Pump Water Heaters\n"]
[]
["1. General "]
[]
["1.1 Scope"]
["A. ","This specification applies to heat pump water heaters that meet all of the following criteria:\n"]
[null,"i.","Meet the below definition of a commercial storage water heater."]
[null,null,"Commercial Storage Water Heater: A water heater that heats and stores water within the appliance at a thermostatically controlled temperature for delivery on demand and that is industrial equipment; such term does not include units with an input rating of 4,000 Btu/hr or more per gallon of stored water."]
[null,"ii.","Use electricity as the energy source."]
[null,"iii.","The nominal heat input is greater than 6 kW (20,473 Btu/hr)."]
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["1.2 Submittals"]
["A. ","Manufacturer shall provide product data and drawings stating the following:"]
[null,"i.","Refrigerant designation in accordance with ANSI/AHRI Standard 34"]
[null,"ii.","Model number designations providing identification of the Commercial Heat Pump\nWater Heater to which the ratings shall apply"]
[null,"iii.","Water heating capacity (Btu/hr)"]
[null,"iv.","Total power input of the commercial heat pump water heater (kW)"]
[null,"v.","Coefficient of performance "]
[null,"vi.","Hot water entering (as stated in Table 1) and leaving temperatures (°F)"]
[null,"vii.","Condenser water flow rate (gpm)"]
[null,"viii.","Condenser water pressure drop (p.s.i.)"]
[null,"ix.","Nominal voltage (V) and  frequency (Hz) for which ratings are valid"]
[null,"x.","Air entering dry-bulb and wet-bulb (as stated in Table 2) (˚F)"]
[null,"xi.","Air flow through the evaporator (cfm)"]
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[]
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["Table 1",null,null,null,"Table 2"]
["CHPWH Standard Hot Water Rating Conditions",null,null,null,"Commercial Heat Pump Water Heater Source Rating Conditions"]
["Entering Water Temperature (°F)",null,null,null,"Evaporator Air Temperature (°F)"]
[130,null,null,null,"Dry-bulb",null,"Wet-bulb"]
[110,null,null,null,95,null,75]
[60,null,null,null,80.599999999999994,null,71.2]
[null,null,null,null,50,null,44.3]
[null,null,null,null,17,null,15]
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["B.","Operation and Maintenance Data"]
[null,"i. ","Manufacturer shall provide copies of installation, operation and maintenance procedures and manual with the HPWH, including information relating to installations above 2,000 ft. "]
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["1.3 Related Standards"]
["A.","Appendix E to Subpart B of CFR Part 430 – Uniform Test Method for Measuring the Energy Consumption of Water Heaters"]
["B.","Subpart G of CFR Part 431 – Commercial Water Heaters, Hot Water Supply Boilers and Unfired Hot Water Storage Tanks"]
["C.","AHRI Standard 1301P (I-P) – Performance Rating of Commercial Heat Pump Water Heaters"]
["D.","ANSI Z21.10.3-1998 – American National Standard/CSA Standard for Gas Water Heaters"]
["E.","A Specification for Residential Heat Pump Water Heaters Installed in Northern Climates Version 4.0 (NEEA, 2011)"]
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["2. Products"]
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["2.1 General Construction"]
["A.","Product shall be built in accordance with all applicable ANSI and AHRI standards."]
["B.","Product shall carry a compliance certification. "]
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["2.2 Electric Storage Water Heater Parameters"]
[null,null,"Water Heater Parameter","Value","Value if 'Other'","Unit"]
[null,null,"Input Rating","Input a value",null,"Btu/hr"]
[null,null,"Nominal Heat Input","Input a value",null,"kW"]
[null,null,"Rated Tank Volume","Input a value",null,"Gallons"]
[null,null,"Heat Pump COP","Input a value",null,"kW/kW"]
[null,null,"HPWH Standby Loss","Input a value",null,"%/hr"]
[]
[]
["2.3 Energy-Related Requirements & Recommendations"]
["A.","Minimum Efficiency Requirements"]
[null,"i. ","The commercial storage water heater shall use an air-to-water heat pump as the primary heat source, in either of the following configurations:"]
[null,null,"a.","The heat pump could be included with the storage tank as an integrated heat pump water heater (HPWH)."]
[null,null,"b.","The heat pump could be a modular, to be combined with a storage-type tank that is properly sized for the heat pump, according to manufacturer guidelines."]
[]
[null,"ii.","A second electric or gas storage water heater may be used in series, downstream of the heat pump water heater."]
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[null,"iii.","The energy efficiency of the integrated or modular HPWH shall be tested using the draft AHRI Standard 1301P (I-P) and the heat pump shall have a minimum coefficient of performance (COP) of 4.2."]
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["B.","Standby Loss Requirement"]
[null,"i.","Integrated HPWHs shall conform to the current energy conservation standard:"]
[null,null,"a.","Maximum Standby Loss: 0.30 + 27/Vm (%/hr), where Vm is the measured volume."]
[]
[null,"ii.","Water heaters having more than 140 gallons of storage capacity need not meet the standby loss requirement if the tank surface area is thermally insulated to R–12.5 or more."]
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[null,"iii.","The standby loss shall be measured according to Section 2.10 of ANSI Z21.10.3-1998."]
[]
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["2.4 Additional Specification Requirements"]
["A. ","The HPWH shall include an alarm to indicate heat pump failure."]
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["Unit Heater Parameter",null,null,null,null,"Value",null,"Unit"]
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["3. Execution"]
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["3.1 Installation"]
["A. ","Install transformers according to manufacturer’s instructions, in accordance with recognized industry practices and applicable codes and standards."]
["B. ","Condensate removal shall be performed according to local building codes. "]
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["3.2 Testing"]
["A.","Upon installation, perform inspections and tests according to manufacturer’s written instructions. "]
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["3.3 Warranty"]
["A. ","Products meeting this specification shall carry a warranty covering material and workmanship defect on the heat pump water heater parts from the date of procurement  for: "]
[null,null,null,"Value","Value if 'Other'","Unit"]
[null,null,null,"Select a value",null,"Year(s)"]
[]
["B. ","Products meeting this specification shall carry a warranty covering material and workmanship defect on the compressor from the date of procurement  for: "]
[null,null,null,"Value","Value if 'Other'","Unit"]
[null,null,null,"Select a value",null,"Year(s)"]
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["C.","For products meeting this specification, if the model includes a storage tank, the product shall carry a warranty covering leakage due to corrosion of the tank from the date of procurement  for: "]
[null,null,null,"Value","Value if 'Other'","Unit"]
[null,null,null,"Select a value",null,"Year(s)"]
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["By clicking the \"Finalize Spec\" button, a print preview window will also appear, allowing you to print the specification.  Finally, a window will open listing the names of manufacturers that have agreed to create products that meet the CBEA specification."]

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["Dropdowns Tab",null,null,"Yes_No","Phase","Input Rating","Venting Type","Combustion Type","Fan Type","Frequency","Warranty","Voltage","Fuel"]
[null,null,null,"Select a response","Select a value","Select a value","Select a value","Select a value","Select a value","Select a value","Select a value","Select a value","Select a value"]
[null,null,null,"Yes","Single","130-135","Power venting","Separated","Axial",60,1,115,"Natural gas"]
[null,null,null,"No","Three","150-155","Other","Other","Centrifugal","Other",5,208,"Propane"]
[null,null,null,null,null,"175-180","n/a","n/a","Other","n/a",10,230,"Other"]
[null,null,null,null,null,"210-215",null,null,"n/a",null,"Other",460,"n/a"]
[null,null,null,null,null,"255-260",null,null,null,null,"n/a","Other"]
[null,null,null,null,null,"305-310",null,null,null,null,null,"n/a"]
[null,null,null,null,null,"Other"]
[null,null,null,null,null,"n/a"]