Specialty Application Devices PDI PremiumThe Power Distribution Indicator (PDI) Premium tracks outdoor unit energy consumption broken down by indoor unit operation ratio. The PDI requires a field supplied wattmeter per outdoor unit and can track the outdoor units power consumption for up to eight outdoor units and 128 indoor units. Instant power, cumulative power consumption, and errors are displayed by indoor unit on the four line LCD display. If the user desires to download the data to a USB drive or PC or have it emailed, the PDI Premium can be used with the AC Smart Premium, Advanced Control Platform (ACP) Standard or Premium, and BACnet or LonWorks gateways.