TAC Xenta 122-HP is based on TAC Xenta 122-FC, but has a slightly different firmware, which is field downloadable. TAC Xenta 122-HP is particular suitable for heat pump control, including reversing valve control. It is an easily programmable controller intended for heat pump applications, with or without re-heat. It can be configured for use with a multitude of compressor types, such as on/off, multistage, and analog. The controller has different types of fan control and advanced fan control functions, including on/off delays, boosting, and conditioning. The sequences for cooling, heating, and fan are completely user-programmable. For energy savings the controller has built-in economizer functionality. Use TAC Xenta 122-HP with any TAC STR (1.8 kohm) room unit or I/A 10 kohm sensor. The controller offers a comprehensive and flexible set of I/O-ports, making it ideal for many other applications provided for down¬loading.