REMEHA c-Mix Notice D'installation Et D'entretien page 27

CoNTeNT
1 Introduction ............................................................................................................................................................................28
2 Safety instructions and recommendations ..........................................................................................................................29
2.1 General .............................................................................................................................................................................29
2.2 Recommendations ............................................................................................................................................................29
3 Technical description ............................................................................................................................................................30
3.1 General description ...........................................................................................................................................................30
3.2 Operation ..........................................................................................................................................................................30
4 Installation ..............................................................................................................................................................................31
4.1 Scope of delivery .............................................................................................................................................................31
4.2 Application options ............................................................................................................................................................31
4.3 Configurations ...................................................................................................................................................................31
4.3.1 Introduction ...........................................................................................................................................................31
4.3.2 Two open-closed groups .......................................................................................................................................31
4.3.3 Two open-closed groups with temperature sensors .............................................................................................32
4.3.4 Two mixing groups ................................................................................................................................................32
4.3.5 Central heating pump group and calorifier group..................................................................................................32
4.3.6 Underfloor heating ................................................................................................................................................33
4.3.7 Calorifier group with hot water circulation pump ...................................................................................................33
4.3.8 Connecting several Cmix modules .......................................................................................................................33
4.3.9 Mixing groups with a direct group heated at high temperature .............................................................................34
4.3.10 Floor heating with direct radiator group ................................................................................................................34
4.3.11 Cascade configuration with two mixing groups .....................................................................................................34
4.3.12 External sensor(s) .................................................................................................................................................35
4.4 Required parts for each type of control .............................................................................................................................36
4.5 Type of group ....................................................................................................................................................................36
4.6 Type of boiler ....................................................................................................................................................................36
4.7 Electrical connections .......................................................................................................................................................37
4.7.1 Valve 1 and 2 connections (C) ..............................................................................................................................38
4.7.2 Pumps 1 and 2 connections (D)............................................................................................................................38
4.7.3 Cmix status LED (E) .............................................................................................................................................38
4.7.4 'Save config' button (F) .........................................................................................................................................39
4.7.5 Boiler connection or 'previous' Cmix (OTm) (G) ...................................................................................................39
4.7.6 Controller connections (OT1 and OT2) (H and I) ..................................................................................................39
4.7.7 Sensor connections (Tout, T1 and T2) (J, K and L) ..............................................................................................39
4.7.8 Rotary switches for setting pumps 1 and 2 (O) .....................................................................................................40
4.7.9 Rotary switches for setting valves 1 and 2 (P) ......................................................................................................40
4.7.10 Priority switch (Q) ..................................................................................................................................................41
4.7.11 Example of connecting CelciaMC4 and 2x c-Mix..................................................................................................41
5 Connection and configuration ...............................................................................................................................................42
5.1 Test function .....................................................................................................................................................................42
5.2 Changing configuration ....................................................................................................................................................42
5.3 Frost protection ................................................................................................................................................................42
5.4 Hot water function of boiler ..............................................................................................................................................43
5.5 Hot water function of c-Mix ..............................................................................................................................................43
5.6 Weekly switch-on function ...............................................................................................................................................43
6 Fault messages .......................................................................................................................................................................44
7 Service connection recom .....................................................................................................................................................45
7.1 User level ..........................................................................................................................................................................45
7.2 Service level .....................................................................................................................................................................46
8 Problems and solutions ........................................................................................................................................................47
9 Technical data ........................................................................................................................................................................ 48
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