Regin RCFD-230C User Manual

Table of Contents
1 Introduction .................................................................................................................................5
2 Control functions.........................................................................................................................6
2.1 Control modes ....................................................................................................................6
2.1.1 Four pipe system....................................................................................................6
2.1.2 Two pipe system....................................................................................................6
2.1.3 Control mode settings ............................................................................................6
2.2 Control principles ...............................................................................................................7
2.2.1 Heating and cooling functions .................................................................................7
2.2.2 Heating/Cooling function settings ...........................................................................8
2.3 Change-over.......................................................................................................................8
2.3.1 General.................................................................................................................8
2.3.2 Change-over detection ...........................................................................................9
2.3.3 Change-over via display..........................................................................................9
2.3.4 Change-over settings ..............................................................................................9
2.4 Fan control .......................................................................................................................10
2.4.1 Three speed fan ...................................................................................................10
2.4.2 Mould protection.................................................................................................11
2.4.3 Fan control settings ..............................................................................................11
2.5 Actuator control ...............................................................................................................12
2.5.1 Heating/Cooling valves ........................................................................................12
2.5.2 Actuator control settings ......................................................................................12
2.6 Controller states................................................................................................................12
2.6.1 Off .....................................................................................................................13
2.6.2 Standby ..............................................................................................................13
2.6.3 Occupied............................................................................................................13
2.6.4 Flow chart controller states ...................................................................................13
2.6.5 Remote control....................................................................................................14
2.6.6 Controller state settings........................................................................................14
2.7 Presence detection ............................................................................................................14
2.7.1 Function .............................................................................................................14
2.7.2 On/Off delay.......................................................................................................15
2.7.3 Presence settings..................................................................................................15
3 Display layout.............................................................................................................................16
3.1 The display.......................................................................................................................16
3.2 Display modes ..................................................................................................................16
3.2.1 General...............................................................................................................16
3.2.2 Idle mode............................................................................................................16
3.2.3 Active mode........................................................................................................16
3.2.4 Setpoint mode ....................................................................................................16
3.2.5 View mode settings..............................................................................................17
3.3 Buttons ............................................................................................................................17
3.4 Segments..........................................................................................................................18
4 Hardware...................................................................................................................................19
4.1 Dimensions ......................................................................................................................19
4.2 Connection diagram ..........................................................................................................19
Appendix A Technical data..........................................................................................................21
Appendix B Parameter list ...........................................................................................................22
Appendix C Modbus variable list .................................................................................................25
C.1 Introduction .....................................................................................................................25
C.2 Modbus register types........................................................................................................25
C.3 Discrete Input Register ......................................................................................................25

Regin RCFD-230C Specifications

General

Brand	Regin
Model	RCFD-230C
Category	Thermostat
Language	English