{
"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."
}
]
}
}
}