The G-50A controller from Mitsubishi Electric is the world's first ever air conditioning control system to successfully use Internet technology.
Using Internet Explorer as its local or remote software, the G50 gives instant access to all control functions from a PC. On the occasion when you are offsite, you can view or monitor the system from another PC or even have a malfunction alarm sent to your mobile phone.
System Structure

The G50 is the world's first ever air conditioning control system to successfully use internet technology. With its web browser ability, you can easily access all of the control functions of the G50 from any PC.
Control multiple sites from one PC. Save time and reduce travel expenses. There is no need to be onsite when you don’t have to be!
Comprehensive controls that is easy to use. The G50 boasts a comprehensive range of functions to suit the most complex of control requirements.
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Control up to 50 units per controller. Connect up to 50 air conditioning units per G50 controller and have the ability to then interface up to 255 G50 controllers. This really is control at its best.
Enables weekly and annual scheduling with a registering licence.
Easy to upgrade making it “future proof”. Numerous software upgrades are scheduled for the G50. With the promise of more capability and controllability the easy upgrades ensure the longevity of the G50 and its functions. Energy monitor for billing purposes has already been released.
Able to alert malfunctions by email or text message to your phone. In the event of any malfunction, the G50 will notify you immediately. Using Internet technology, it has the ability to send necessary detail via email to your PC, or if you would prefer, a text message to your mobile phone.

GB-50A (without display)
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