{ "tables": { "curves": { "refs": [ "assumption" ], "table": [ { "name": "BOILER-EFFFPLR-NECB2011", "category": "Boiler", "form": "Cubic", "dependent_variable": "FIRRatio", "independent_variable_1": "QRatio", "independent_variable_2": null, "coeff_1": 0.3831, "coeff_2": 2.0567, "coeff_3": -2.6469, "coeff_4": 1.2148, "coeff_5": null, "coeff_6": null, "coeff_7": null, "coeff_8": null, "coeff_9": null, "coeff_10": null, "minimum_independent_variable_1": 0.0, "maximum_independent_variable_1": 1.0, "minimum_independent_variable_2": null, "maximum_independent_variable_2": null, "minimum_dependent_variable_output": null, "maximum_dependent_variable_output": null, "notes": "From NECB 2011 Table 8.4.4.21.-A (2) for non-condensing boiler. Converted EIR curve to PLF via curve fit." }, { "name": "BOILER-EFFFPLR-COND-NECB2011", "category": "Boiler", "form": "Cubic", "dependent_variable": "FIRRatio", "independent_variable_1": "QRatio", "independent_variable_2": null, "coeff_1": 1.0186, "coeff_2": 0.2426, "coeff_3": -0.5059, "coeff_4": 0.2465, "coeff_5": null, "coeff_6": null, "coeff_7": null, "coeff_8": null, "coeff_9": null, "coeff_10": null, "minimum_independent_variable_1": 0.0, "maximum_independent_variable_1": 1.0, "minimum_independent_variable_2": null, "maximum_independent_variable_2": null, "minimum_dependent_variable_output": null, "maximum_dependent_variable_output": null, "notes": "From NECB 2011 Table 8.4.4.21.-A (2) for condensing boilers. Converted EIR curve to PLF via curve fit." }, { "name": "BOILER-EFFFPLR-COND-VIESSMANN", "category": "Boiler", "form": "BiQuadratic", "dependent_variable": "FIRRatio", "independent_variable_1": "QRatio", "independent_variable_2": "TEnteringBoiler", "coeff_1": 1.067091396, "coeff_2": -0.080046749, "coeff_3": 0.078581329, "coeff_4": 0.000365501, "coeff_5": -4.5243E-06, "coeff_6": -0.002185834, "coeff_7": null, "coeff_8": null, "coeff_9": null, "coeff_10": null, "minimum_independent_variable_1": 0.3, "maximum_independent_variable_1": 1.0, "minimum_independent_variable_2": 40, "maximum_independent_variable_2": 90, "minimum_dependent_variable_output": null, "maximum_dependent_variable_output": null, "notes": "From analysis by Kamel Haddad based on Viessmann Vitocrossal 300 CT3-17 condensing boiler." }, { "name": "DXCOOL-NECB2011-REF-CAPFFLOW", "category": "DX Cooling Coil", "form": "Quadratic", "dependent_variable": "QRatio", "independent_variable_1": "FlowRatio", "independent_variable_2": null, "coeff_1": 0.8, "coeff_2": 0.2, "coeff_3": 0.0, "coeff_4": null, "coeff_5": null, "coeff_6": null, "coeff_7": null, "coeff_8": null, "coeff_9": null, "coeff_10": null, "minimum_independent_variable_1": 0.5, "maximum_independent_variable_1": 1.5, "minimum_independent_variable_2": null, "maximum_independent_variable_2": null, "minimum_dependent_variable_output": null, "maximum_dependent_variable_output": null, "notes": "Not supplied by NECB 2011 but required for EnergyPlus. Used default curve coefficients from OpenStudio 2.8.1 DX Single Speed Cooling Coil." }, { "name": "DXCOOL-NECB2011-REF-CAPFT", "category": "DX Cooling Coil", "form": "BiQuadratic", "dependent_variable": "QRatio", "independent_variable_1": "Twb", "independent_variable_2": "Toadb", "coeff_1": 0.867905, "coeff_2": 0.0142459, "coeff_3": 0.00055436, "coeff_4": -0.0075575, "coeff_5": 3.3e-05, "coeff_6": -0.0001918, "coeff_7": null, "coeff_8": null, "coeff_9": null, "coeff_10": null, "minimum_independent_variable_1": 13.0, "maximum_independent_variable_1": 24.0, "minimum_independent_variable_2": 24.0, "maximum_independent_variable_2": 46.0, "minimum_dependent_variable_output": null, "maximum_dependent_variable_output": null, "notes": "From NECB 2011 Table 8.4.4.21.-B (2). Converted coefficients for deg. F to deg. C." }, { "name": "DXCOOL-NECB2011-REF-COOLEIRFFLOW", "category": "DX Cooling Coil", "form": "Quadratic", "dependent_variable": "EIRRatio", "independent_variable_1": "FlowRatio", "independent_variable_2": null, "coeff_1": 1.1552, "coeff_2": -0.1808, "coeff_3": 0.0256, "coeff_4": null, "coeff_5": null, "coeff_6": null, "coeff_7": null, "coeff_8": null, "coeff_9": null, "coeff_10": null, "minimum_independent_variable_1": 0.5, "maximum_independent_variable_1": 1.5, "minimum_independent_variable_2": null, "maximum_independent_variable_2": null, "minimum_dependent_variable_output": null, "maximum_dependent_variable_output": null, "notes": "Not supplied by NECB 2011 but required for EnergyPlus. Used default curve coefficients from OpenStudio 2.8.1 DX Single Speed Cooling Coil." }, { "name": "DXCOOL-NECB2011-REF-COOLEIRFT", "category": "DX Cooling Coil", "form": "BiQuadratic", "dependent_variable": "EIRRatio", "independent_variable_1": "Twb", "independent_variable_2": "Toadb", "coeff_1": 0.1141714, "coeff_2": 0.02818224, "coeff_3": -0.0004199, "coeff_4": 0.02141082, "coeff_5": 0.000161028, "coeff_6": -0.000679104, "coeff_7": null, "coeff_8": null, "coeff_9": null, "coeff_10": null, "minimum_independent_variable_1": 13.0, "maximum_independent_variable_1": 24.0, "minimum_independent_variable_2": 24.0, "maximum_independent_variable_2": 46.0, "minimum_dependent_variable_output": null, "maximum_dependent_variable_output": null, "notes": "From NECB 2011 Table 8.4.4.21.-B (6). Converted coefficients for deg. F to deg. C." }, { "name": "DXCOOL-NECB2011-REF-COOLPLFFPLR", "category": "DX Cooling Coil", "form": "Cubic", "dependent_variable": "EIRRatio", "independent_variable_1": "QRatio", "independent_variable_2": null, "coeff_1": 0.0277, "coeff_2": 4.9151, "coeff_3": -8.184, "coeff_4": 4.2702, "coeff_5": null, "coeff_6": null, "coeff_7": null, "coeff_8": null, "coeff_9": null, "coeff_10": null, "minimum_independent_variable_1": 0.7, "maximum_independent_variable_1": 1.0, "minimum_independent_variable_2": null, "maximum_independent_variable_2": null, "minimum_dependent_variable_output": null, "maximum_dependent_variable_output": null, "notes": "From NECB 2011 Table 8.4.4.21.-B (4), curve modified to take into account how PLF is used in E+, and PLF ranges (> 0.7)" }, { "name": "DXHEAT-NECB2011-REF-CAPFFLOW", "category": "DX Heating Coil", "form": "Cubic", "dependent_variable": "QRatio", "independent_variable_1": "FlowRatio", "independent_variable_2": null, "coeff_1": 0.84, "coeff_2": 0.16, "coeff_3": 0.0, "coeff_4": 0.0, "coeff_5": null, "coeff_6": null, "coeff_7": null, "coeff_8": null, "coeff_9": null, "coeff_10": null, "minimum_independent_variable_1": 0.5, "maximum_independent_variable_1": 1.5, "minimum_independent_variable_2": null, "maximum_independent_variable_2": null, "minimum_dependent_variable_output": null, "maximum_dependent_variable_output": null, "notes": "Not supplied by NECB 2011 but required for EnergyPlus. Used default curve coefficients from OpenStudio 2.8.1 DX Single Speed Heating Coil." }, { "name": "DXHEAT-NECB2011-REF-CAPFT", "category": "DX Heating Coil", "form": "Cubic", "dependent_variable": "QRatio", "independent_variable_1": "Toadb", "independent_variable_2": null, "coeff_1": 0.729009, "coeff_2": 0.0319275, "coeff_3": 0.000136404, "coeff_4": -8.748e-06, "coeff_5": null, "coeff_6": null, "coeff_7": null, "coeff_8": null, "coeff_9": null, "coeff_10": null, "minimum_independent_variable_1": -20.0, "maximum_independent_variable_1": 20.0, "minimum_independent_variable_2": null, "maximum_independent_variable_2": null, "minimum_dependent_variable_output": null, "maximum_dependent_variable_output": null, "notes": "From NECB 2011 Table 8.4.4.21.-E (2). Converted coefficients for deg. F to deg. C." }, { "name": "DXHEAT-NECB2011-REF-EIRFFLOW", "category": "DX Cooling Coil", "form": "Quadratic", "dependent_variable": "EIRRatio", "independent_variable_1": "FlowRatio", "independent_variable_2": null, "coeff_1": 1.3824, "coeff_2": -0.4336, "coeff_3": 0.0512, "coeff_4": null, "coeff_5": null, "coeff_6": null, "coeff_7": null, "coeff_8": null, "coeff_9": null, "coeff_10": null, "minimum_independent_variable_1": 0.0, "maximum_independent_variable_1": 1.0, "minimum_independent_variable_2": null, "maximum_independent_variable_2": null, "minimum_dependent_variable_output": null, "maximum_dependent_variable_output": null, "notes": "Not supplied by NECB 2011 but required for EnergyPlus. Used default curve coefficients from OpenStudio 2.8.1 DX Single Speed Heating Coil." }, { "name": "DXHEAT-NECB2011-REF-EIRFT", "category": "DX Heating Coil", "form": "Cubic", "dependent_variable": "EIRRatio", "independent_variable_1": "Toadb", "independent_variable_2": null, "coeff_1": 1.2183, "coeff_2": -0.03612, "coeff_3": 0.00142, "coeff_4": -2.68e-05, "coeff_5": null, "coeff_6": null, "coeff_7": null, "coeff_8": null, "coeff_9": null, "coeff_10": null, "minimum_independent_variable_1": -20.0, "maximum_independent_variable_1": 20.0, "minimum_independent_variable_2": null, "maximum_independent_variable_2": null, "minimum_dependent_variable_output": null, "maximum_dependent_variable_output": null, "notes": "From NECB 2011 Table 8.4.4.21.-E (6). Converted coefficients for deg. F to deg. C." }, { "name": "DXHEAT-NECB2011-REF-PLFFPLR", "category": "DX Heating Coil", "form": "Cubic", "dependent_variable": "EIRRatio", "independent_variable_1": "QRatio", "independent_variable_2": null, "coeff_1": 0.3696, "coeff_2": 2.3362, "coeff_3": -2.9577, "coeff_4": 1.2596, "coeff_5": null, "coeff_6": null, "coeff_7": null, "coeff_8": null, "coeff_9": null, "coeff_10": null, "minimum_independent_variable_1": 0.7, "maximum_independent_variable_1": 1.0, "minimum_independent_variable_2": null, "maximum_independent_variable_2": null, "minimum_dependent_variable_output": null, "maximum_dependent_variable_output": null, "notes": "From NECB 2011 Table 8.4.4.21.-E (4). Converted EIR curve to PLF via curve fit." }, { "name": "FURNACE-EFFPLR-NECB2011", "category": "Gas Heating Coil", "form": "Cubic", "dependent_variable": "FIRRatio", "independent_variable_1": "QRatio", "independent_variable_2": null, "coeff_1": 0.722, "coeff_2": 0.8211, "coeff_3": -1.0396, "coeff_4": 0.5, "coeff_5": null, "coeff_6": null, "coeff_7": null, "coeff_8": null, "coeff_9": null, "coeff_10": null, "minimum_independent_variable_1": 0.0, "maximum_independent_variable_1": 1.0, "minimum_independent_variable_2": null, "maximum_independent_variable_2": null, "minimum_dependent_variable_output": null, "maximum_dependent_variable_output": null, "notes": "From NECB 2011 Table 8.4.4.21.-A (4) for atmospheric furnace. Converted EIR curve to PLF via curve fit." }, { "name": "FURNACE-EFFPLR-COND-NECB2011", "category": "Gas Heating Coil", "form": "Cubic", "dependent_variable": "FIRRatio", "independent_variable_1": "QRatio", "independent_variable_2": null, "coeff_1": 1.0186, "coeff_2": 0.2426, "coeff_3": -0.5059, "coeff_4": 0.2465, "coeff_5": null, "coeff_6": null, "coeff_7": null, "coeff_8": null, "coeff_9": null, "coeff_10": null, "minimum_independent_variable_1": 0.0, "maximum_independent_variable_1": 1.0, "minimum_independent_variable_2": null, "maximum_independent_variable_2": null, "minimum_dependent_variable_output": null, "maximum_dependent_variable_output": null, "notes": "From NECB 2011 Table 8.4.4.21.-A (4) for condensing furnaces. Converted EIR curve to PLF via curve fit." }, { "name": "SWH-EFFFPLR-NECB2011", "category": "Water Heater", "form": "Cubic", "dependent_variable": "FIRRatio", "independent_variable_1": "QRatio", "independent_variable_2": null, "coeff_1": 0.7576, "coeff_2": 1.0071, "coeff_3": -1.4443, "coeff_4": 0.6844, "coeff_5": null, "coeff_6": null, "coeff_7": null, "coeff_8": null, "coeff_9": null, "coeff_10": null, "minimum_independent_variable_1": 0.0, "maximum_independent_variable_1": 1.0, "minimum_independent_variable_2": null, "maximum_independent_variable_2": null, "minimum_dependent_variable_output": null, "maximum_dependent_variable_output": null, "notes": "From NECB 2011 Table 8.4.4.21.-G (2). Converted EIR curve to PLF via curve fit. Note this is treating the Water Heater as a boiler not a tank." }, { "name": "VarVolFan-AFBIFanCurve-NECB2011-FPLR", "category": "Fan", "form": "Cubic", "dependent_variable": "PwrRatio", "independent_variable_1": "FlowRatio", "independent_variable_2": null, "coeff_1": -2.4176, "coeff_2": 9.5874, "coeff_3": -11.559, "coeff_4": 5.4009, "coeff_5": null, "coeff_6": null, "coeff_7": null, "coeff_8": null, "coeff_9": null, "coeff_10": null, "minimum_independent_variable_1": 0.68, "maximum_independent_variable_1": 1.0, "minimum_independent_variable_2": null, "maximum_independent_variable_2": null, "minimum_dependent_variable_output": null, "maximum_dependent_variable_output": null, "notes": "From NECB 2011 Table 8.4.4.17. for airfoil or backward inclined riding fan curve. Converted from quadratic F/Fr vs. P/Pr curve to cubic P/Pr vs. F/Fr curve." }, { "name": "VarVolFan-AFBIInletVanes-NECB2011-FPLR", "category": "Fan", "form": "Cubic", "dependent_variable": "PwrRatio", "independent_variable_1": "FlowRatio", "independent_variable_2": null, "coeff_1": -4.1457, "coeff_2": 16.803, "coeff_3": -19.471, "coeff_4": 7.8488, "coeff_5": null, "coeff_6": null, "coeff_7": null, "coeff_8": null, "coeff_9": null, "coeff_10": null, "minimum_independent_variable_1": 0.5, "maximum_independent_variable_1": 1.0, "minimum_independent_variable_2": null, "maximum_independent_variable_2": null, "minimum_dependent_variable_output": null, "maximum_dependent_variable_output": null, "notes": "From NECB 2011 Table 8.4.4.17. for airfoil or backward inclined with inlet vanes. Converted from quadratic F/Fr vs. P/Pr curve to cubic P/Pr vs. F/Fr curve." }, { "name": "VarVolFan-FCInletVanes-NECB2011-FPLR", "category": "Fan", "form": "Cubic", "dependent_variable": "PwrRatio", "independent_variable_1": "FlowRatio", "independent_variable_2": null, "coeff_1": -0.3477, "coeff_2": 4.0976, "coeff_3": -5.0024, "coeff_4": 2.268, "coeff_5": null, "coeff_6": null, "coeff_7": null, "coeff_8": null, "coeff_9": null, "coeff_10": null, "minimum_independent_variable_1": 0.22, "maximum_independent_variable_1": 1.0, "minimum_independent_variable_2": null, "maximum_independent_variable_2": null, "minimum_dependent_variable_output": null, "maximum_dependent_variable_output": null, "notes": "From NECB 2011 Table 8.4.4.17. for forward curved with inlet vanes. Converted from quadratic F/Fr vs. P/Pr curve to cubic P/Pr vs. F/Fr curve." }, { "name": "VarVolFan-VSD-NECB2011-FPLR", "category": "Fan", "form": "Cubic", "dependent_variable": "PwrRatio", "independent_variable_1": "FlowRatio", "independent_variable_2": null, "coeff_1": 0.1389, "coeff_2": 1.7699, "coeff_3": -1.615, "coeff_4": 0.6996, "coeff_5": null, "coeff_6": null, "coeff_7": null, "coeff_8": null, "coeff_9": null, "coeff_10": null, "minimum_independent_variable_1": 0.04, "maximum_independent_variable_1": 1.0, "minimum_independent_variable_2": null, "maximum_independent_variable_2": null, "minimum_dependent_variable_output": null, "maximum_dependent_variable_output": null, "notes": "From NECB 2011 Table 8.4.4.17. for variable speed drive. Converted from quadratic F/Fr vs. P/Pr curve to cubic P/Pr vs. F/Fr curve." }, { "name": "WaterCooled_Centrifugal_CAPFT_NECB2011", "category": "Electric Chiller", "form": "BiQuadratic", "dependent_variable": "QRatio", "independent_variable_1": "Tchws", "independent_variable_2": "Toadb", "coeff_1": 0.707908, "coeff_2": -0.00200657, "coeff_3": -0.00259605, "coeff_4": 0.0300588, "coeff_5": -0.00105643, "coeff_6": 0.0020457, "coeff_7": null, "coeff_8": null, "coeff_9": null, "coeff_10": null, "minimum_independent_variable_1": 5.0, "maximum_independent_variable_1": 10.0, "minimum_independent_variable_2": 24.0, "maximum_independent_variable_2": 35.0, "minimum_dependent_variable_output": null, "maximum_dependent_variable_output": null, "notes": "From NECB 2011 Table 8.4.4.21.-C (2) for water cooled centrifugal chiller. Converted coefficients for deg. F to deg. C." }, { "name": "WaterCooled_Centrifugal_EIRFPLR_NECB2011", "category": "Electric Chiller", "form": "Quadratic", "dependent_variable": "EIRRatio", "independent_variable_1": "QRatio", "independent_variable_2": null, "coeff_1": 0.171493, "coeff_2": 0.588202, "coeff_3": 0.237373, "coeff_4": null, "coeff_5": null, "coeff_6": null, "coeff_7": null, "coeff_8": null, "coeff_9": null, "coeff_10": null, "minimum_independent_variable_1": 0.0, "maximum_independent_variable_1": 1.0, "minimum_independent_variable_2": null, "maximum_independent_variable_2": null, "minimum_dependent_variable_output": null, "maximum_dependent_variable_output": null, "notes": "From NECB 2011 Table 8.4.4.21.-C (4) for water cooled centrifugal chiller" }, { "name": "WaterCooled_Centrifugal_EIRFT_NECB2011", "category": "Electric Chiller", "form": "BiQuadratic", "dependent_variable": "EIRRatio", "independent_variable_1": "Tchws", "independent_variable_2": "Toadb", "coeff_1": 0.560523, "coeff_2": -0.0137816, "coeff_3": 6.56424e-05, "coeff_4": 0.0132194, "coeff_5": 0.000268596, "coeff_6": -0.000501131, "coeff_7": null, "coeff_8": null, "coeff_9": null, "coeff_10": null, "minimum_independent_variable_1": 5.0, "maximum_independent_variable_1": 10.0, "minimum_independent_variable_2": 24.0, "maximum_independent_variable_2": 35.0, "minimum_dependent_variable_output": null, "maximum_dependent_variable_output": null, "notes": "From NECB 2011 Table 8.4.4.21.-C (6) for water cooled centrifugal chiller. Converted coefficients for deg. F to deg. C." }, { "name": "WaterCooled_Reciprocating_CAPFT_NECB2011", "category": "Electric Chiller", "form": "BiQuadratic", "dependent_variable": "QRatio", "independent_variable_1": "Tchws", "independent_variable_2": "Toadb", "coeff_1": 1.03031, "coeff_2": 0.0334698, "coeff_3": 0.00023639, "coeff_4": -0.00729587, "coeff_5": -2.3166e-05, "coeff_6": -0.000148943, "coeff_7": null, "coeff_8": null, "coeff_9": null, "coeff_10": null, "minimum_independent_variable_1": 5.0, "maximum_independent_variable_1": 10.0, "minimum_independent_variable_2": 24.0, "maximum_independent_variable_2": 35.0, "minimum_dependent_variable_output": null, "maximum_dependent_variable_output": null, "notes": "From NECB 2011 Table 8.4.4.21.-C (2) for water cooled reciprocating chiller. Converted coefficients for deg. F to deg. C." }, { "name": "WaterCooled_Reciprocating_EIRFPLR_NECB2011", "category": "Electric Chiller", "form": "Quadratic", "dependent_variable": "EIRRatio", "independent_variable_1": "QRatio", "independent_variable_2": null, "coeff_1": 0.081441, "coeff_2": 0.419271, "coeff_3": 0.499396, "coeff_4": null, "coeff_5": null, "coeff_6": null, "coeff_7": null, "coeff_8": null, "coeff_9": null, "coeff_10": null, "minimum_independent_variable_1": 0.0, "maximum_independent_variable_1": 1.0, "minimum_independent_variable_2": null, "maximum_independent_variable_2": null, "minimum_dependent_variable_output": null, "maximum_dependent_variable_output": null, "notes": "From NECB 2011 Table 8.4.4.21.-C (4) for water cooled reciprocating chiller" }, { "name": "WaterCooled_Reciprocating_EIRFT_NECB2011", "category": "Electric Chiller", "form": "BiQuadratic", "dependent_variable": "EIRRatio", "independent_variable_1": "Tchws", "independent_variable_2": "Toadb", "coeff_1": 0.499699, "coeff_2": -0.0130841, "coeff_3": 0.000266425, "coeff_4": 0.0165925, "coeff_5": 0.000185393, "coeff_6": -0.000375646, "coeff_7": null, "coeff_8": null, "coeff_9": null, "coeff_10": null, "minimum_independent_variable_1": 5.0, "maximum_independent_variable_1": 10.0, "minimum_independent_variable_2": 24.0, "maximum_independent_variable_2": 35.0, "minimum_dependent_variable_output": null, "maximum_dependent_variable_output": null, "notes": "From NECB 2011 Table 8.4.4.21.-C (6) for water cooled reciprocating chiller. Converted coefficients for deg. F to deg. C." }, { "name": "WaterCooled_Screw_CAPFT_NECB2011", "category": "Electric Chiller", "form": "BiQuadratic", "dependent_variable": "QRatio", "independent_variable_1": "Tchws", "independent_variable_2": "Toadb", "coeff_1": 0.812998, "coeff_2": -0.0142532, "coeff_3": -0.00161799, "coeff_4": 0.0263844, "coeff_5": -0.00091543, "coeff_6": 0.00169601, "coeff_7": null, "coeff_8": null, "coeff_9": null, "coeff_10": null, "minimum_independent_variable_1": 5.0, "maximum_independent_variable_1": 10.0, "minimum_independent_variable_2": 24.0, "maximum_independent_variable_2": 35.0, "minimum_dependent_variable_output": null, "maximum_dependent_variable_output": null, "notes": "From NECB 2011 Table 8.4.4.21.-C (2) for water cooled screw chiller. Converted coefficients for deg. F to deg. C." }, { "name": "WaterCooled_Screw_EIRFPLR_NECB2011", "category": "Electric Chiller", "form": "Quadratic", "dependent_variable": "EIRRatio", "independent_variable_1": "QRatio", "independent_variable_2": null, "coeff_1": 0.330188, "coeff_2": 0.235543, "coeff_3": 0.460708, "coeff_4": null, "coeff_5": null, "coeff_6": null, "coeff_7": null, "coeff_8": null, "coeff_9": null, "coeff_10": null, "minimum_independent_variable_1": 0.0, "maximum_independent_variable_1": 1.0, "minimum_independent_variable_2": null, "maximum_independent_variable_2": null, "minimum_dependent_variable_output": null, "maximum_dependent_variable_output": null, "notes": "From NECB 2011 Table 8.4.4.21.-C (4) for water cooled screw chiller." }, { "name": "WaterCooled_Screw_EIRFT_NECB2011", "category": "Electric Chiller", "form": "BiQuadratic", "dependent_variable": "EIRRatio", "independent_variable_1": "Tchws", "independent_variable_2": "Toadb", "coeff_1": 0.638103, "coeff_2": 0.00630158, "coeff_3": 0.00092327, "coeff_4": -0.00455294, "coeff_5": 0.000825682, "coeff_6": -0.00156152, "coeff_7": null, "coeff_8": null, "coeff_9": null, "coeff_10": null, "minimum_independent_variable_1": 5.0, "maximum_independent_variable_1": 10.0, "minimum_independent_variable_2": 24.0, "maximum_independent_variable_2": 35.0, "minimum_dependent_variable_output": null, "maximum_dependent_variable_output": null, "notes": "From NECB 2011 Table 8.4.4.21.-C (6) for water cooled screw chiller. Converted coefficients for deg. F to deg. C." }, { "name": "WaterCooled_Scroll_CAPFT_NECB2011", "category": "Electric Chiller", "form": "BiQuadratic", "dependent_variable": "QRatio", "independent_variable_1": "Tchws", "independent_variable_2": "Toadb", "coeff_1": 0.94418, "coeff_2": 0.0337102, "coeff_3": 9.75564e-05, "coeff_4": -0.00322114, "coeff_5": -4.91832e-05, "coeff_6": -0.000177584, "coeff_7": null, "coeff_8": null, "coeff_9": null, "coeff_10": null, "minimum_independent_variable_1": 5.0, "maximum_independent_variable_1": 10.0, "minimum_independent_variable_2": 24.0, "maximum_independent_variable_2": 35.0, "minimum_dependent_variable_output": null, "maximum_dependent_variable_output": null, "notes": "From NECB 2011 Table 8.4.4.21.-C (2) for water cooled scroll chiller. Converted coefficients for deg. F to deg. C." }, { "name": "WaterCooled_Scroll_EIRFPLR_NECB2011", "category": "Electric Chiller", "form": "Quadratic", "dependent_variable": "EIRRatio", "independent_variable_1": "QRatio", "independent_variable_2": null, "coeff_1": 0.04412, "coeff_2": 0.640367, "coeff_3": 0.319555, "coeff_4": null, "coeff_5": null, "coeff_6": null, "coeff_7": null, "coeff_8": null, "coeff_9": null, "coeff_10": null, "minimum_independent_variable_1": 0.0, "maximum_independent_variable_1": 1.0, "minimum_independent_variable_2": null, "maximum_independent_variable_2": null, "minimum_dependent_variable_output": null, "maximum_dependent_variable_output": null, "notes": "From NECB 2011 Table 8.4.4.21.-C (4) for water cooled scroll chiller." }, { "name": "WaterCooled_Scroll_EIRFT_NECB2011", "category": "Electric Chiller", "form": "BiQuadratic", "dependent_variable": "EIRRatio", "independent_variable_1": "Tchws", "independent_variable_2": "Toadb", "coeff_1": 0.727393, "coeff_2": -0.0118922, "coeff_3": 0.000541177, "coeff_4": 0.00187934, "coeff_5": 0.000473461, "coeff_6": -0.000711472, "coeff_7": null, "coeff_8": null, "coeff_9": null, "coeff_10": null, "minimum_independent_variable_1": 5.0, "maximum_independent_variable_1": 10.0, "minimum_independent_variable_2": 24.0, "maximum_independent_variable_2": 35.0, "minimum_dependent_variable_output": null, "maximum_dependent_variable_output": null, "notes": "From NECB 2011 Table 8.4.4.21.-C (6) for water cooled scroll chiller. Converted coefficients for deg. F to deg. C." } ] } } }