Hi,

I was wondering if anyone could assist me with the following question in EnergyPlus. In particular, I modeled a single office room (by modifying IECC_OfficeSmall_STD2018_Denver prototype). Dimensions are 20-15-10 (ft). As far as the HVAC system, an AirToAir Heat Pump is modled to provide cooling and heating. The IDF file could be found here.

However, the issue is that the model cooling loads for early hours of the day (in summer season) is oscillating. In specific, and for instance for June 27, cooling loads falctuates betwwn midnight and 7 am between zero and 1952 W, as showed below(also could be found here).

By taking a more detailed analysis, it seems for those timesteps, MAT exceeds very slightly that the cooling setpoint temperature and this is why cooling loads are set to zero and heat pump is forced to shut down:

It might worth mentioning that Curve:Biquadratic is applied towards Coil:Cooling:DX:SingleSpeed curve.

Any help would be greatly appreciated.

Thanks, Mohammad

Hi,

I was wondering if anyone could assist me with the following question in EnergyPlus. In particular, I modeled a single office room (by modifying IECC_OfficeSmall_STD2018_Denver prototype). Dimensions are 20-15-10 (ft). As far as the HVAC system, an AirToAir Heat Pump is modled to provide cooling and heating. The IDF file could be found here.

However, the issue is that the model cooling loads for early hours of the day (in summer season) is oscillating. In specific, and for instance for June 27, cooling loads falctuates betwwn midnight and 7 am between zero and 1952 W, as showed below(also could be found here).

By taking a more detailed analysis, it seems for those timesteps, MAT exceeds very slightly that the cooling setpoint temperature and this is why cooling loads are set to zero and heat pump is forced to shut down:

It might worth mentioning that Curve:Biquadratic is applied towards Coil:Cooling:DX:SingleSpeed curve.

Any help would be greatly appreciated.

Thanks, Mohammad

Hi,

I was wondering if anyone could assist me with the following question in EnergyPlus. In particular, I modeled a single office room (by modifying IECC_OfficeSmall_STD2018_Denver prototype). Dimensions are 20-15-10 (ft). As far as the HVAC system, an AirToAir Heat Pump is modled to provide cooling and heating. The IDF file could be found here.

However, the issue is that the model cooling loads for early hours of the day (in summer season) is oscillating. In specific, and for instance for June 27, cooling loads falctuates betwwn midnight and 7 am between zero and 1952 W, as showed below(also could be found here)..

By taking a more detailed analysis, it seems for those timesteps, MAT exceeds very slightly that the cooling setpoint temperature and this is why cooling loads are set to zero and heat pump is forced to shut down:

It might worth mentioning that Curve:Biquadratic is applied towards Coil:Cooling:DX:SingleSpeed curve.

Any help would be greatly appreciated.

Thanks, Mohammad

Hi,

I was wondering if anyone could assist me with the following question in EnergyPlus. In particular, I modeled a single office room (by modifying IECC_OfficeSmall_STD2018_Denver prototype). Dimensions are 20-15-10 (ft). As far as the HVAC system, an AirToAir Heat Pump is modled to provide cooling and heating. The IDF file could be found here.

However, the issue is that the model cooling loads for early hours of the day (in summer season) is oscillating. In specific, and for instance for June 27, cooling loads falctuates betwwn midnight and 7 am between zero and 1952 W, as showed below(also could be found here.

By taking a more detailed analysis, it seems for those timesteps, MAT exceeds very slightly that the cooling setpoint temperature and this is why cooling loads are set to zero and heat pump is forced to shut down:

It might worth mentioning that Curve:Biquadratic is applied towards Coil:Cooling:DX:SingleSpeed curve.

Any help would be greatly appreciated.

Thanks, Mohammad

Hi,

I was wondering if anyone could assist me with the following question in EnergyPlus. In particular, I modeled a single office room (by modifying IECC_OfficeSmall_STD2018_Denver prototype). Dimensions are 20-15-10 (ft). As far as the HVAC system, an AirToAir Heat Pump is modled to provide cooling and heating. The IDF file could be found here.

However, the issue is that the model cooling loads for early hours of the day (in summer season) is oscillating. ossilating. In specific, and for instance for June 27, cooling loads falctuates betwwn midnight and 7 am between zero and 1952 W, as showed below(also could be found here.

By taking a more detailed analysis, it seems for those timesteps, MAT exceeds very slightly that the cooling setpoint temperature and this is why cooling loads are set to zero and heat pump is forced to shut down:

It might worth mentioning that Curve:Biquadratic is applied towards Coil:Cooling:DX:SingleSpeed curve.

Any help would be greatly appreciated.

Thanks, Mohammad

Hi,

I was wondering if anyone could assist me with the following question in EnergyPlus. In particular, I modeled a single office room (by modifying IECC_OfficeSmall_STD2018_Denver prototype). Dimensions are 20-15-10 (ft). As far as the HVAC system, an a AirToAir Heat Pump is modled to provide cooling and heating. The IDF file could be found here.

However, the issue is that the model cooling loads for early hours of the day (in summer season) is ossilating. In specific, and for instance for June 27, cooling loads falctuates betwwn midnight and 7 am between zero and 1952 W, as showed below(also could be found here.

By taking a more detailed analysis, it seems for those timesteps, MAT exceeds very slightly that the cooling setpoint temperature and this is why cooling loads are set to zero and heat pump is forced to shut down:

It might worth mentioning that Curve:Biquadratic is applied towards Coil:Cooling:DX:SingleSpeed curve.

Any help would be greatly appreciated.

Thanks, Mohammad

Hi,

I was wondering if anyone could assist me with the following question in EnergyPlus. In particular, I modeled a single office room (by modifying IECC_OfficeSmall_STD2018_Denver prototype). Dimensions are 20-15-10 201510 (ft). As far as the HVAC system, a AirToAir Heat Pump is modled to provide cooling and heating. The IDF file could be found here.

However, the issue is that the model cooling loads for early hours of the day (in summer season) is ossilating. In specific, and for instance for June 27, cooling loads falctuates betwwn midnight and 7 am between zero and 1952 W, as showed below(also could be found here.

By taking a more detailed analysis, it seems for those timesteps, MAT exceeds very slightly that the cooling setpoint temperature and this is why cooling loads are set to zero and heat pump is forced to shut down:

It might worth mentioning that Curve:Biquadratic is applied towards Coil:Cooling:DX:SingleSpeed curve.

Any help would be greatly appreciated.

Thanks, Mohammad

Hi,

I was wondering if anyone could assist me with the following question in EnergyPlus. In particular, I modeled a single office room (by modifying IECC_OfficeSmall_STD2018_Denver prototype). Dimensions are 201510 (ft). As far as the HVAC system, a AirToAir Heat Pump is modled to provide cooling and heating. The IDF file could be found here.

However, the issue is that the model cooling loads for early hours of the day (in summer season) is ossilating. In specific, and for instance for June 27, cooling loads falctuates betwwn midnight and 7 am between zero and 1952 W, as showed below(also could be found here.

By taking a more detailed analysis, it seems for those timesteps, MAT exceeds very slightly that the cooling setpoint temperature and this is why cooling loads are set to zero and heat pump is forced to shut down:

It might worth mentioning that Curve:Biquadratic is applied towards Coil:Cooling:DX:SingleSpeed curve.

Any help would be greatly appreciated.

Thanks, Mohammad

Hi,

I was wondering if anyone could assist me with the following question in EnergyPlus. In particular, I modeled a single office room (by modifying IECC_OfficeSmall_STD2018_Denver prototype). Dimensions are 201510 (ft). As far as the HVAC system, a AirToAir Heat Pump is modled to provide cooling and heating. The IDF file could be found here.

However, the issue is that the model cooling loads for early hours of the day (in summer season) is ossilating. In specific, and for instance for June 27, cooling loads falctuates betwwn midnight and 7 am between zero and 1952 W, as showed below(also could be found here.[here].(https://drive.google.com/drive/u/0/folders/1DbO6UfFgKd6w3INnYxHJcRm2tiUuFoPX)

It might worth mentioning that Curve:Biquadratic is applied towards Coil:Cooling:DX:SingleSpeed curve.

Any help would be greatly appreciated.

Thanks, Mohammad

Hi,

I was wondering if anyone could assist me with the following question in EnergyPlus. In particular, I modeled a single office room (by modifying IECC_OfficeSmall_STD2018_Denver prototype). Dimensions are 201510 (ft). As far as the HVAC system, a AirToAir Heat Pump is modled to provide cooling and heating. The IDF file could be found here.

However, the issue is that the model cooling loads for early hours of the day (in summer season) is ossilating. In specific, and for instance for June 27, cooling loads falctuates betwwn midnight and 7 am between zero and 1952 W, as showed below(also could be found [here].(https://drive.google.com/drive/u/0/folders/1DbO6UfFgKd6w3INnYxHJcRm2tiUuFoPX)here

It might worth mentioning that Curve:Biquadratic is applied towards Coil:Cooling:DX:SingleSpeed curve.

Any help would be greatly appreciated.

Thanks, Mohammad

Hi,

I was wondering if anyone could assist me with the following question in EnergyPlus. In particular, I modeled a single office room (by modifying IECC_OfficeSmall_STD2018_Denver prototype). Dimensions are 201510 (ft). As far as the HVAC system, a AirToAir Heat Pump is modled to provide cooling and heating. The IDF file could be found here

However, the issue is that the model cooling loads for early hours of the day (in summer season) is ossilating. In specific, and for instance for June 27, cooling loads falctuates betwwn midnight and 7 am between zero and 1952 W, as showed below(also could be found here

It might worth mentioning that Curve:Biquadratic is applied towards Coil:Cooling:DX:SingleSpeed curve.

Any help would be greatly appreciated.

Thanks, Mohammad

Hi,

I was wondering if anyone could assist me with the following question in EnergyPlus. In particular, I modeled a single office room (by modifying IECC_OfficeSmall_STD2018_Denver prototype). Dimensions are 201510 (ft). As far as the HVAC system, a AirToAir Heat Pump is modled to provide cooling and heating. The IDF file could be found here

However, the issue is that the model cooling loads for early hours of the day (in summer season) is ossilating. In specific, and for instance for June 27, cooling loads falctuates betwwn midnight and 7 am between zero and 1952 W, as showed below(also could be found here

It might worth mentioning that Curve:Biquadratic is applied towards Coil:Cooling:DX:SingleSpeed curve

Any help would be greatly appreciated.

Thanks, Mohammad

Hi,

I was wondering if anyone could assist me with the following question in EnergyPlus. In particular, I modeled a single office room (by modifying IECC_OfficeSmall_STD2018_Denver prototype). Dimensions are 201510 (ft). As far as the HVAC system, a AirToAir Heat Pump is modled to provide cooling and heating. The IDF file could be found here

However, the issue is that the model cooling loads for early hours of the day (in summer season) is ossilating. In specific, and for instance for June 27, cooling loads falctuates betwwn midnight and 7 am between zero and 1952 W, as showed below(also could be found here

Any help would be greatly appreciated.

Thanks, Mohammad

Hi,

I was wondering if anyone could assist me with the following question in EnergyPlus. In particular, I modeled a single office room (by modifying IECC_OfficeSmall_STD2018_Denver prototype). Dimensions are 201510 (ft). As far as the HVAC system, a AirToAir Heat Pump is modled to provide cooling and heating. The IDF file could be found here

However, the issue is that the model cooling loads for early hours of the day (in summer season) is ossilating. In specific, and for instance for June 27, cooling loads falctuates betwwn midnight and 7 am between zero and 1952 W, as showed below(also could be found here

Any help would be greatly appreciated.

Thanks, Mohammad

Hi,

I was wondering if anyone could assist me with the following question in EnergyPlus. In particular, I modeled a single office room (by modifying IECC_OfficeSmall_STD2018_Denver prototype). Dimensions are 201510 (ft). As far as the HVAC system, a AirToAir Heat Pump is modled to provide cooling and heating. The IDF file could be found here

However, the issue is that the model cooling loads for early hours of the day (in summer season) is ossilating. In specific, and for instance for June 27, cooling loads falctuates betwwn midnight and 7 am between zero and 1952 W, as showed below(also could be found here

Any help would be greatly appreciated.

Thanks, Mohammad

Hi,

I was wondering if anyone could assist me with the following question in EnergyPlus. In particular, I modeled a single office room (by modifying IECC_OfficeSmall_STD2018_Denver prototype). Dimensions are 201510 (ft). As far as the HVAC system, a AirToAir Heat Pump is modled to provide cooling and heating. The IDF file could be found here

However, the issue is that the model cooling loads for early hours of the day (in summer season) is ossilating. In specific, and for instance for June 27, cooling loads falctuates betwwn midnight and 7 am between zero and 1952 W, as showed below(also could be found here

Any help would be greatly appreciated.

Thanks, Mohammad

Hi,

I was wondering if anyone could assist me with the following question in EnergyPlus. In particular, I modeled a single office room (by modifying IECC_OfficeSmall_STD2018_Denver prototype). Dimensions are 201510 (ft). As far as the HVAC system, a AirToAir Heat Pump is modled to provide cooling and heating. The IDF file could be found here

However, the issue is that the model cooling loads for early hours of the day (in summer season) is ossilating. In specific, and for instance for June 27, cooling loads falctuates betwwn midnight and 7 am between zero and 1952 W, as showed below(also could be found here

Any help would be greatly appreciated.

Thanks, Mohammad

Hi,

I was wondering if anyone could assist me with the following question in EnergyPlus. In particular, I modeled a single office room (by modifying IECC_OfficeSmall_STD2018_Denver prototype). Dimensions are 201510 (ft). As far as the HVAC system, a Heat Pump is modled to provide cooling and heating. The IDF file could be found here

However, the issue is that the model cooling loads for early hours of the day (in summer season) is ossilating. In specific, and for instance for June 27, cooling loads falctuates betwwn midnight and 7 am between zero and 1952 W, as showed below(also could be found herebelow:

Any help would be greatly appreciated.

Thanks, Mohammad

Hi,

I was wondering if anyone could assist me with the following question in EnergyPlus. In particular, I modeled a single office room (by modifying IECC_OfficeSmall_STD2018_Denver prototype). Dimensions are 201510 (ft). As far as the HVAC system, a Heat Pump is modled to provide cooling and heating. The IDF file could be found here[here]:(https://drive.google.com/file/d/1tRvxDVF9_Fc1Zsjjjtyns539qujBt-Ts/view?usp=sharing)

However, the issue is that the model cooling loads for early hours of the day (in summer season) is ossilating. In specific, and for instance for June 27, cooling loads falctuates betwwn midnight and 7 am between zero and 1952 W, as showed below:

Any help would be greatly appreciated.

Thanks, Mohammad

Hi,

I was wondering if anyone could assist me with the following question in EnergyPlus. In particular, I modeled a single office room (by modifying IECC_OfficeSmall_STD2018_Denver prototype). Dimensions are 201510 (ft). As far as the HVAC system, a Heat Pump is modled to provide cooling and heating. The IDF file could be found [here]:(https://drive.google.com/file/d/1tRvxDVF9_Fc1Zsjjjtyns539qujBt-Ts/view?usp=sharing)

However, the issue is that the model cooling loads for early hours of the day (in summer season) is ossilating. In specific, and for instance for June 27, cooling loads falctuates betwwn midnight and 7 am between zero and 1952 W, as showed below:

below:

Any help would be greatly appreciated.

Thanks, Mohammad