Was hoping if anyone here can identify what brand of air conditioner might be running from just these pictures of the air con panel.

http://i.imgur.com/vsGIDwq.jpg
http://i.imgur.com/dI7y7Lg.jpg
http://i.imgur.com/jtL3pYv.jpg

All I know is that it is a ducted air con system, unfortunately there is no way of looking at the external unit as it is in a shopping complex and we have no access.

The actual problem we have is that the temperature seems to be locked within the range of 20.5 – 24.5 degrees. I'm hoping to find the brand and manual for the unit to see if this is a limitation of the unit or if there is a lock in place that can be reset.