| Heat Recovery Name | |
| Applicability | All heat recovery systems |
|---|---|
| Definition | A name assigned to a heat recovery system. This would provide a link to the construction documents. |
| Units | Text, unique |
| Input Restrictions | As designed |
| Baseline Rules | No heat recovery systems |
| Heat Recovery Device Type | |
| Applicability | All heat recovery systems |
|---|---|
| Definition | The type of heat recovery equipment. Choices include:
|
| Units | List (see above) |
| Input Restrictions | As designed |
| Baseline Rules | Heat recovery systems are not included in the baseline system. |
| Heat Recovery Loads | |
| Applicability | All heat recovery systems |
|---|---|
| Definition | The loads met by the heat recovery system. Choices include:
|
| Units | List (see above) |
| Input Restrictions | As designed |
| Baseline Rules | Not required in the baseline system. |
|
Heat Recovery Name |
|
|---|---|
|
Applicability |
All heat recovery systems |
|
Definition |
A name assigned to a heat recovery system. This would provide a link to the construction documents. |
|
Units |
Text, unique |
|
Input Restrictions |
As designed |
|
Baseline Rules |
No heat recovery systems |
|
Heat Recovery Device Type |
|
|---|---|
|
Applicability |
All heat recovery systems |
|
Definition |
The type of heat recovery equipment. Choices include:
|
|
Units |
List (see above) |
|
Input Restrictions |
As designed |
|
Baseline Rules |
The baseline building is modeled with a condenser heat recovery system for service water heating, when all of the following conditions are true:
The required heat recovery system for the baseline building, shall have the capacity to provide the smaller of:
If the simulation software is not capable of modeling the requirements described, the requirement for providing such a system in the proposed building shall be met as a prescriptive requirement and heat recovery shall not be modeled in the baseline or proposed building designs. |
|
Heat Recovery Loads |
|
|---|---|
|
Applicability |
All heat recovery systems |
|
Definition |
The loads met by the heat recovery system. Choices include:
More than one load may be selected. |
|
Units |
List (see above) |
|
Input Restrictions |
As designed |
|
Baseline Rules |
Service water heating when required as described above |
|
Condenser Heat Recovery Effectiveness |
|
|---|---|
|
Applicability |
Systems that use recover heat from a condenser |
|
Definition |
The percentage of heat rejection at design conditions from a DX or heat pump unit in cooling mode that is available for space or water heating |
|
Units |
Percent (%) |
|
Input Restrictions |
As designed. The software must indicate that supporting documentation is required on the output forms if heat recovery is specified. |
|
Baseline Rules |
Same as the proposed |
|
Condenser Heat Recovery Use |
|
|---|---|
|
Applicability |
Systems that use heat recovery |
|
Definition |
The end use of the heat recovered from a DX or heat pump unit. The choices are:
|
|
Units |
List (see above) |
|
Input Restrictions |
As designed. The software must indicate that supporting documentation is required on the output forms if heat recovery is specified. |
|
Baseline Rules |
Not applicable for most conditions. The end use will be water heating if required for 24-hour facility operation. |
Requirements related to exhaust air recovery are documented in Section 3.6.6.6 of this manual.
| Heat Recovery Name | |
|---|---|
| Applicability | All heat recovery systems |
| Definition | A name assigned to a heat recovery system. This would provide a link to the construction documents. |
| Units | Text, unique |
| Input Restrictions | As designed |
| Baseline Building | Same as proposed |
| Heat Recovery Device Type | |
|---|---|
| Applicability | All heat recovery systems |
| Definition |
The type of heat recovery equipment. Choices include: · Double-bundled chiller · Single-bundle heat recovery chiller · Generator · Engine-driven chiller · Air conditioning unit · Refrigerated casework |
| Units | List (see above) |
| Input Restrictions | As designed |
| Baseline Building |
The baseline building is modeled with a condenser heat recovery system for service water heating, when all of the following conditions are true: · The building operates 24 hours per day. · The total installed heat rejection capacity of the water cooled system exceeds 6,000,000 Btu/h. · The design service hot water load is greater than 1,000,000 Btu/h. The required heat recovery system for the baseline building, shall have the capacity to provide the smaller of: · 60% of the peak heat rejection load at design conditions, or · Preheat of the peak service hot water draw to 85°F If the simulation software is not capable of modeling the requirements described, the requirement for providing such a system in the proposed building shall be met as a prescriptive requirement and heat recovery shall not be modeled in the baseline or proposed building designs. |
| Heat Recovery Loads | |
|---|---|
| Applicability | All heat recovery systems |
| Definition |
The loads met by the heat recovery system. Choices include: · Service water heating · Space heating · Process heating More than one load may be selected. |
| Units | List (see above) |
| Input Restrictions | As designed |
| Baseline Building | Service water heating when required as described above |
| Condenser Heat Recovery Effectiveness | |
|---|---|
| Applicability | Systems that use recover heat from a condenser |
| Definition |
The percentage of heat rejection at design conditions from a DX or heat pump unit in cooling mode that is available for space or water heating |
| Units | Percent (%) |
| Input Restrictions | As designed. The software must indicate that supporting documentation is required on the output forms if heat recovery is specified. |
| Baseline Building | Same as proposed |
| Condenser Heat Recovery Use | |
|---|---|
| Applicability | Systems that use heat recovery |
| Definition |
The end use of the heat recovered from a DX or heat pump unit. The choices are: · Reheat coils · Water heating |
| Units | List (see above) |
| Input Restrictions | As designed. The software must indicate that supporting documentation is required on the output forms if heat recovery is specified. |
| Baseline Building | Not applicable for most conditions. The end use will be water heating if required for 24-hour facility operation. |
| Heat Recovery Name | |
| Applicability | All heat recovery systems |
|---|---|
| Definition | A name assigned to a heat recovery system. This would provide a link to the construction documents. |
| Units | Text, unique |
| Input Restrictions | As designed |
| Heat Recovery Device Type | |
| Applicability | All heat recovery systems |
|---|---|
| Definition | The type of heat recovery equipment. Choices include:
|
| Units | List (see above) |
| Input Restrictions | As designed |
| Heat Recovery Loads | |
| Applicability | All heat recovery systems |
|---|---|
| Definition | The loads met by the heat recovery system. Choices include:
|
| Units | List (see above) |
| Input Restrictions | As designed |
| Heat Recovery Name | |
| Applicability | All heat recovery systems |
|---|---|
| Definition | A name assigned to a heat recovery system. This would provide a link to the construction documents. |
| Units | Text, unique |
| Input Restrictions | As designed |
| Heat Recovery Device Type | |
| Applicability | All heat recovery systems |
|---|---|
| Definition | The type of heat recovery equipment. Choices include:
|
| Units | List (see above) |
| Input Restrictions | As designed |
| Heat Recovery Loads | |
| Applicability | All heat recovery systems |
|---|---|
| Definition | The loads met by the heat recovery system. Choices include:
|
| Units | List (see above) |
| Input Restrictions | As designed |