New heating coefficients! Results in a 5-10% decrease in heating COP,…

… still making sure this is the final set we want to run with but MUCH closer to our existing results.

HPXMLtoOpenStudio/resources/hvac.rb

@@ -1226,9 +1226,9 @@ def self.set_curves_gshp(heat_pump)
     # EWT: 80F EAT:80/67F, AFR: 1200cfm, WFR: 4.5gpm
 
     # Original Curves
-    # hp_ap.cool_cap_curve_spec = [[-1.57177156131221, 4.60343712716819, -2.15976622898044, 0.0590964827802021, 0.0194696644460315]]
-    # hp_ap.cool_power_curve_spec = [[-4.42471086639888, 0.658017281046304, 4.37331801294626, 0.174096187531254, -0.0526514790164159]]
-    # hp_ap.cool_sh_curve_spec = [[4.54172823345154, 14.7653304889134, -18.3541272090485, -0.74401391092935, 0.545560799548833, 0.0182620032235494]]
+    #hp_ap.cool_cap_curve_spec = [[-1.57177156131221, 4.60343712716819, -2.15976622898044, 0.0590964827802021, 0.0194696644460315]]
+    #hp_ap.cool_power_curve_spec = [[-4.42471086639888, 0.658017281046304, 4.37331801294626, 0.174096187531254, -0.0526514790164159]]
+    #hp_ap.cool_sh_curve_spec = [[4.54172823345154, 14.7653304889134, -18.3541272090485, -0.74401391092935, 0.545560799548833, 0.0182620032235494]]
 
     # New Curves
     hp_ap.cool_cap_curve_spec = [[-5.45013866666657, 7.42301402824225, -1.43760846638838, 0.249103937703341, 0.0378875477019811]]
@@ -1244,12 +1244,12 @@ def self.set_curves_gshp(heat_pump)
     # EWT: 60F EAT: 70F AFR: 1200 cfm, WFR: 4.5 gpm
 
     # Original Curves
-    # hp_ap.heat_cap_curve_spec = [[-5.12650150, -0.93997630, 7.21443206, 0.121065721, 0.051809805]]
-    # hp_ap.heat_power_curve_spec = [[-7.73235249, 6.43390775, 2.29152262, -0.175598629, 0.005888871]]
+    #hp_ap.heat_cap_curve_spec = [[-5.12650150, -0.93997630, 7.21443206, 0.121065721, 0.051809805]]
+    #hp_ap.heat_power_curve_spec = [[-7.73235249, 6.43390775, 2.29152262, -0.175598629, 0.005888871]]
 
-    # New Curves
-    hp_ap.heat_cap_curve_spec = [[-3.04714037601818, -1.7717579227605, 5.55453544312946, 0.153056493748853, 0.070628730979525]]
-    hp_ap.heat_power_curve_spec = [[-8.40883018520825, 8.04576322484112, 1.37680341623847, -0.335009421166367, 0.0221331110472605]]
+    #Final Curves (normalize to rated rather than max)
+    hp_ap.heat_cap_curve_spec = [[-3.75031847962047, -2.18062040443483, 6.8363364819032, 0.188376814356582, 0.0869274802923634]]
+    hp_ap.heat_power_curve_spec = [[-8.4754723813072, 8.10952801956388, 1.38771494628738, -0.33766445915032, 0.0223085217874051]]
 
     # Fan/pump adjustments calculations
     power_f = heat_pump.fan_watts_per_cfm * 400.0 / UnitConversions.convert(1.0, 'ton', 'Btu/hr') * UnitConversions.convert(1.0, 'W', 'kW') # 400 cfm/ton, result is in kW per Btu/hr of capacity