Merge pull request #1501 from NREL/fix/issue1469

check PTHP cop coefficients
NREL · Apr 27, 2023 · eb090c4 · eb090c4
2 parents 7fd7a7b + 9e523f5
commit eb090c4
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diff --git a/lib/openstudio-standards/standards/Standards.CoilHeatingDXSingleSpeed.rb b/lib/openstudio-standards/standards/Standards.CoilHeatingDXSingleSpeed.rb
@@ -129,7 +129,7 @@ def coil_heating_dx_single_speed_standard_minimum_cop(coil_heating_dx_single_spe
     end
 
     # If PTHP, use equations
-    if sub_category == 'PTHP'
+    if sub_category == 'PTHP' && !ac_props['pthp_cop_coefficient_1'].nil? && !ac_props['pthp_cop_coefficient_2'].nil?
       pthp_cop_coeff_1 = ac_props['pthp_cop_coefficient_1']
       pthp_cop_coeff_2 = ac_props['pthp_cop_coefficient_2']
       # TABLE 6.8.1D