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Hi,

I'm having a lot of trouble changing out the HVAC system in this model. I am trying the replace the HVAC with a Appendix G baseline system.

-When I use a measure like Remove All Equipment (in the attached project folder), it runs and appears to work, but every time I go back to the Thermal Zone Tab it crashes -When I try running a measure to add a new HVAC System on top of the old one (like the PSZ 4 in the attached project folder), it works but it leaves lots of old Zone equipment in place. When I start deleting zone equipment eventually one item crashes the model when I try to delete it. The offending item seems to be random.

Is there a better way to do this? I tried making a new OS model and importing data from the old OSM but that blows away both HVAC and schedules, constructions, etc.

Hi,

I'm having a lot of trouble changing out the HVAC system in this model. I am trying the replace the HVAC with a Appendix G baseline system.

-When I use a measure like Remove All Equipment (in the attached project folder), it runs and appears to work, but every time I go back to the Thermal Zone Tab it crashes -When I try running a measure to add a new HVAC System on top of the old one (like the PSZ 4 in the attached project folder), it works but it leaves lots of old Zone equipment in place. When I start deleting zone equipment eventually one item crashes the model when I try to delete it. The offending item seems to be random.

Is there a better way to do this? I tried making a new OS model and importing data from the old OSM but that blows away both HVAC and schedules, constructions, etc.

Hi,

I'm having a lot of trouble changing out the HVAC system in this model. I am trying the replace the HVAC with a Appendix G baseline system.

-When I use a measure like Remove All Equipment (in the attached project folder), it runs and appears to work, but every time I go back to the Thermal Zone Tab it crashes -When I try running a measure to add a new HVAC System on top of the old one (like the PSZ 4 in the attached project folder), it works but it leaves lots of old Zone equipment in place. When I start deleting zone equipment eventually one item crashes the model when I try to delete it. The offending item seems to be random.

Is there a better way to do this? I tried making a new OS model and importing data from the old OSM but that blows away both HVAC and schedules, constructions, etc.

Link to Zip of my project folder: https://drive.google.com/file/d/19hL5Ty5rAiPkH6aTSfIhliKLfeiHpot5/view?usp=sharing

Hi,

I'm having a lot of trouble changing out the HVAC system in this model. I am trying the replace the HVAC with a Appendix G baseline system.

-When I use a measure like Remove All Equipment (in the attached project folder), it runs and appears to work, but every time I go back to the Thermal Zone Tab it crashes crashes

-When I try running a measure to add a new HVAC System on top of the old one (like the PSZ 4 in the attached project folder), it works but it leaves lots of old Zone equipment in place. When I start deleting zone equipment eventually one item crashes the model when I try to delete it. The offending item seems to be random.

Is there a better way to do this? I tried making a new OS model and importing data from the old OSM but that blows away both HVAC and schedules, constructions, etc.

Link to Zip of my project folder: https://drive.google.com/file/d/19hL5Ty5rAiPkH6aTSfIhliKLfeiHpot5/view?usp=sharing

Hi,

I'm having a lot of trouble changing out the HVAC system in this model. I am trying the replace the HVAC with a an Appendix G baseline system.

-When I use a measure like Remove All Equipment (in the attached project folder), it runs and appears to work, but every time I go back to the Thermal Zone Tab it crashes

-When I try running a measure to add a new HVAC System on top of the old one (like the PSZ 4 in the attached project folder), it works but it leaves lots of old Zone equipment in place. When I start deleting zone equipment eventually one item crashes the model when I try to delete it. The offending item seems to be random.

Is there a better way to do this? I tried making a new OS model and importing data from the old OSM but that blows away both HVAC and schedules, constructions, etc.

Link to Zip of my project folder: https://drive.google.com/file/d/19hL5Ty5rAiPkH6aTSfIhliKLfeiHpot5/view?usp=sharing

Hi,

I'm having a lot of trouble changing out the HVAC system in this model. I am trying the replace the HVAC with an Appendix G baseline system.

-When I use a measure like Remove All Equipment (in the attached project folder), it runs and appears to work, but every time I go back to the Thermal Zone Tab it crashes

-When I try running a measure to add a new HVAC System on top of the old one (like the PSZ 4 in the attached project folder), it works but it leaves lots of old Zone equipment in place. When I start deleting zone equipment eventually one item crashes the model when I try to delete it. The offending item seems to be random.

Is there a better way to do this? I tried making a new OS model and importing data from the old OSM but that blows away both HVAC and schedules, constructions, etc.

Link to Zip of my project folder: https://drive.google.com/file/d/19hL5Ty5rAiPkH6aTSfIhliKLfeiHpot5/view?usp=sharing