Use asadmin disable-http-lb-application, specifying the following:
Timeout (in minutes).
Name of the application to disable.
Target cluster or instance on which to disable it.
For more information on the command, see disable-http-lb-application(1).
Export the load balancer configuration file using asadmin export-http-lb-config. For more information on the command, see export-http-lb-config(1).
Copy the exported configuration to the web server config directory.