VRF Performance Curve, os:table input

asked 2025-09-23 16:45:11 -0500

KLim's avatar

Hi. I am trying to build the cooling performance curve for VRF condensing unit. Following specific excel template which is this (https://docs.google.com/spreadsheets/...).

Based on my input, I got ended up having this curve (table) for the temperature-capacity curve.

OS:Table:Lookup, {5532089b-8c9b-4aff-9371-984933646b1a}, !- Handle Table Lookup EP120TNU/YNU CLG_CCR_fn_T-Output,!- Name {98862933-0764-43a3-aa10-ad8a7a159775}, !- Independent Variable List Name DivisorOnly, !- Normalization Method 1, !- Normalization Divisor 0.35703950257726, !- Minimum Output {BasedOnField A5} 1.30663523102881, !- Maximum Output {BasedOnField A5} Dimensionless, !- Output Unit Type , !- External File Name , !- External File Column Number , !- External File Starting Row Number 1.00288776398616,!- Output Value 1 {BasedOnField A5} 1.00418987741641,!- Output Value 2 {BasedOnField A5} 0.808872862877439,!- Output Value 3 {BasedOnField A5} 0.35703950257726,!- Output Value 4 {BasedOnField A5} 1.08774749786191,!- Output Value 5 {BasedOnField A5} 1.08915979012088,!- Output Value 6 {BasedOnField A5} 0.87731595127476,!- Output Value 7 {BasedOnField A5} 0.38725053741072,!- Output Value 8 {BasedOnField A5} 1.15599133978996,!- Output Value 9 {BasedOnField A5} 1.15749223740069,!- Output Value 10 {BasedOnField A5} 0.93235759579009,!- Output Value 11 {BasedOnField A5} 0.411546124864202,!- Output Value 12 {BasedOnField A5} 1.30494094260684,!- Output Value 13 {BasedOnField A5} 1.30663523102881,!- Output Value 14 {BasedOnField A5} 1.05249196773224,!- Output Value 15 {BasedOnField A5} 0.46457388530615;!- Output Value 16 {BasedOnField A5}

OS:ModelObjectList, {98862933-0764-43a3-aa10-ad8a7a159775}, !- Handle Table Lookup EP120TNU/YNU CLG_CCR_fn_T-Output_List, !- Name {35c0814c-9d56-4515-b377-2fd91c445712}, !- Model Object 1 {7bf540c0-cc77-4615-9b59-9ed9c499cff6}; !- Model Object 2

OS:Table:IndependentVariable, {35c0814c-9d56-4515-b377-2fd91c445711}, !- Handle Table Lookup EP120TNU/YNU CLG_CCR_fn_T-Input_0,!- Name Linear, !- Interpolation Method Constant, !- Extrapolation Method 59.0106312292358,!- Minimum Value {BasedOnField A5} 74.9893687707641,!- Maximum Value {BasedOnField A5} , !- Normalization Reference Value {BasedOnField A5} Temperature, !- Unit Type , !- External File Name , !- External File Column Number , !- External File Starting Row Number 59.0106312292358,!- Value 1 64.0179401993355,!- Value 2 68.9401993355481,!- Value 3 74.9893687707641;!- Value 4

OS:Table:IndependentVariable, {7bf540c0-cc77-4615-9b59-9ed9c499cff6}, !- Handle Table Lookup EP120TNU/YNU CLG_CCR_fn_T-Input_1,!- Name Linear, !- Interpolation Method Constant, !- Extrapolation Method 22.8771804062126,!- Minimum Value {BasedOnField A5} 115.053285543608,!- Maximum Value {BasedOnField A5} , !- Normalization Reference Value {BasedOnField A5} Temperature, !- Unit Type , !- External File Name , !- External File Column Number , !- External File Starting Row Number 22.8771804062126,!- Value 1 67.8905615292712,!- Value 2 115.053285543608,!- Value 3 125.738590203106;!- Value 4

Within the openstudio, I could not see the inputs within the openstudio interface starting the line with "OS:Table:IndependentVariable," in the middle of script.

For trouble shooting, I would like to confirm this table is really working correctly or no.

Is there any method that I can see these independent variable tables are connected with output curve above?

Thank you.

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