The following comment applies to any from the following list:

• advanced search results page map,
• properties list custom template map,
• property taxonomies pages map

When Google Maps are set as header option, the map pins and properties in the list are in sync.

For this feature, the map will change the zoom automatically to display all the pins from the list in the map view. 

Because of this, the manual Google Maps zoom value you set in theme options or for each page will not be considered.