Universal controller with integrated control and supervisory functions, 3 control loops. Replaced by RMU730B-1 with all supported languages (EN, DE, FR, IT, ES, PT, NL, DK, FI, NO, SE, PL, CZ, HU, SK, BG, GR, RO, SI, SP, HR, TR, Bulgarian, Greek, Romanian, Slovenian, Serbian, Croatian, Turkish and Chinese) within one device. The device has the same dimension and the same control panel cutout. However the software parameter files between series of A and B are not compatible and must again be provided and/or configured. Sensors, damper and valve actuators can be reused. 
The RMU730B-1 has extended monitoring, switching and supervisory functions as well as additional time switch program and logic functions. The module RMZ786 is no longer supported. The input/output signal can be rerouted via RMZ787. Altogether 4 extension modules per RMU730B-1 can be attached with the following selection: 1x RMZ785, 2x RMZ787, 2x RMZ788.