Question-and-Answer Resource for the Building Energy Modeling Community
 | 1 | initial version |
It is not possible to override the room air temperatures (or other status parameters, such as room air humidity ration, room CO2 concentrations) at a particular node using an EMS program.
The room air temperatures are included in the heat balance equations, which are ordinary differential equations. In the solver, you need to temperature values as well as the derivatives. So simply changing the status parameters is not a option in EMS.
| | 2 | No.2 Revision |
It is not possible to override the room air temperatures (or other status parameters, such as room air humidity ration, ratio, room CO2 concentrations) at a particular node using an EMS program.
The room air temperatures are included in the heat balance equations, which are ordinary differential equations. In the solver, you need to temperature values as well as the derivatives. So simply changing the status parameters is not a option in EMS.
| | 3 | No.3 Revision |
It is not possible to override the room air temperatures (or other status parameters, such as room air humidity ratio, room CO2 concentrations) at a particular node using an EMS program.
The room air temperatures are included in the heat balance equations, which are ordinary differential equations. In the solver, you need to not only the temperature values as well as values, but also the derivatives. Most of the system nodes are somehow connected to the room air temperatures. So simply changing the status parameters is not a option in EMS.
