Issue overview

When delete the coil unit in the air loop, the same coil unit in the plant loop cannot be deleted automatically.

Current Behavior

Delete the heating coil in the air loop.

Expected Behavior

The same heating coil in the plant loop should also be deleted automatically.

Steps to Reproduce

1. Delete the heating coil in the air loop in the HVAC system section.
2. Run the simulation.
3. Click show simulation.
   Following is the video link of this bug.
   https://drive.google.com/file/d/1G9W8UsjpSdRXxyZd2EbJ_2NJaWZV5qea/view?usp=sharing

Possible Solution

Delete the heating coil in the plant loop manually.

Details

Environment

• Platform (Operating system, version): Windows 10 Pro (1909) for Workstations
• Version of OpenStudioApplication: OpenStudio Application 1.1.0