
Revision: 3.0 Page 2 of 71
7. Configuration.......................................................................................................................23
7.1. Heater type configuration...........................................................................................23
7.2. Relay function configuration.......................................................................................24
7.3. Input function configuration........................................................................................25
7.4. IC4000 Modbus address assignment ..........................................................................26
7.5. Special functions [expert settings] ..............................................................................27
7.5.1. Release contact....................................................................................................27
7.5.2. Gas meter scaling .................................................................................................27
7.5.3. Duration of heating time extension .....................................................................27
7.5.4. Service interval ......................................................................................................27
7.5.5. Set temperature display .......................................................................................27
7.5.6. Modbus slave address ..........................................................................................28
7.5.7. Temperature time program OFF ..........................................................................28
7.5.8. Temperature time program ON ...........................................................................28
7.5.9. Water meter...........................................................................................................28
7.5.10. Hybrid switch-off ................................................................................................28
7.5.11. Fan error display.................................................................................................28
7.5.12. Control unit - factory settings............................................................................28
8. Parameters...........................................................................................................................29
9. Diagnostics...........................................................................................................................31
9.1. Modbus - heater...........................................................................................................31
9.2. System counters............................................................................................................33
9.3. Events ............................................................................................................................33
10. Mounting instructions.......................................................................................................35
10.1. General......................................................................................................................35
10.2. Battery........................................................................................................................35
10.3. Fuse ............................................................................................................................35
10.4. Tools............................................................................................................................35
10.5. Cable types and board wiring.................................................................................35
10.6. Bus wiring ...................................................................................................................42
10.7. Modbus wiring of the IC4000 ...................................................................................43
10.8. IC4000 error codes [DE&EN].....................................................................................46
10.9. Wiring of probes and sensors ...................................................................................47
10.9.1. RTS [room temperature sensor] & OTS [outdoor temperature sensor]..............47
10.9.2. RTS averaging ........................................................................................................49