Turn power supply off to unit. Install the Modu485 card into the Moducontrol as described in the provided literature. Connect the shielded three wire 18 to 22 gauge communication cable between the building supplied BMS system and the Moducontrol. Using the installer menu Password 30 make sure parameters J Adi is set to 1, L bdi is set to 1, n Asi is set to 1. Check parameters with technician on site. Your BMS should have access to see and write to the displayed values. Your BMS should have access to up to 142 commands displayed. Some of the commands will not be applicable to your unit as this control is found in ANK’s with optional built in features , ANL’s, ANLi’s, SRP units, etc. The most used commands are on/off (Off = 0, On = 1), heat or cool ( Cool = 0, heat =1) and alarm reset (alarm reset command 1 = reset). Set n Asi back to 0 when completed setup to avoid unintentional rewrites.