Air/water heat exchanger Intelligent control The two controller variants for operational reliability offer a e-Comfort controller: comprehensive range of functions. Essential control elec- Master/slave function for up to 10 units, i.e. the unit which tronics are well protected and cooled in the inner circuit. reaches the setpoint first reports this to the “master unit” Both variants have the following properties: which switches all other “slave units” on and off. The unit Three voltage options: 115 V, 230 V, 400/460 V, 3 which activates the door limit switch function reports this Integral start-up delay and door limit switch function to the “master unit”, which switches off all “slave units”.˜ Icing protection function Switching hysteresis: 2 – 10 K; preset to 5 K Monitoring of all motors System alarm, individually configurable for 2 floating fault Phase monitoring for three-phase units signal contacts Visualisation of the current enclosure internal temperature and all system messages on the display Basic controller: Storage of all system statuses in the log file Visualisation of the operating status via LED display: Optional interface card (SK 3124.200) with RS-232, − Voltage applied, functions OK RS-485, RS-422 and PLC interface for integration into − Door open superordinate remote control systems, e.g. with CMC, − Overtemperature is also possible − High-pressure monitor has switched Switching hysteresis: 5 K Floating fault signal contact in case of overtemperature Setpoint adjustable from outside via potentiometer (setting range 20 – 55 °C) Technical System Catalogue/Climate control 3 - 46
Technical System Catalogue Climate Control
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