In order to set Project Manager working you shoult do the following:
First set the maya project.
If your project manager files are in Z:/Pipeline/ProjectManager, just save “ProjectManagerInit.py” To your shelf or to your “userSetup.py” in Documents/maya/scripts. If such file does not exist, rename “ProjectManagerInit.py” to “userSetup.py” and save there.
Middle-click drag. Or file/Save script To shelf.
If your Project manager is somewhere else: Change _PATH_TO_PROJECTMANAGER variable to where your Project Manager is located.