oventrop X-45 User manual

Regumaq X-45
Operating instructions
EN

Page
Regumaq X-45
Contents
1. General information ............................................................................................................7
1.1 Validity of the instructions...................................................................................................................... 7
1.2 Type plate............................................................................................................................................... 7
1.3 Scope of delivery .................................................................................................................................... 7
1.4 Contact................................................................................................................................................... 7
1.5 Declaration of conformity ....................................................................................................................... 7
1.6 Symbols used.......................................................................................................................................... 7
2. Safety-related information ..................................................................................................8
2.1 Intended use........................................................................................................................................... 8
2.2 Modifications to the product................................................................................................................... 8
2.3 Warnings ................................................................................................................................................ 8
2.4 Safety instructions.................................................................................................................................. 9
2.4.1 Danger to life due to legionella formation.................................................................................................... 9
2.4.2 Danger to life due to electric current............................................................................................................ 9
2.4.3 Danger due to insufficient personnel qualification ...................................................................................... 9
2.4.4 Risk of scalding due to hot water ................................................................................................................. 9
2.4.5 Risk of injury from pressurised components................................................................................................ 9
2.4.6 Risk of burns due to unintentionally escaping hot media ............................................................................ 9
2.4.7 Risk of burns on hot components and surfaces ........................................................................................... 9
2.4.8 Risk of injury due to the weight of the product............................................................................................ 9
2.4.9 Risk of injury from improper work................................................................................................................ 9
2.4.10 Damage to property due to unsuitable location..........................................................................................10
2.4.11 Risk of damage to property due to incorrect operation ..............................................................................10
2.4.12 Availability of the operating instructions ....................................................................................................10
3. Technical description .........................................................................................................11
3.1 Design ................................................................................................................................................... 11
3.2 Functional description ...........................................................................................................................13
3.3 Installation schemes ..............................................................................................................................13
3.4 Application example ..............................................................................................................................15
3.5 Technical data........................................................................................................................................15
3.5.1 Front view....................................................................................................................................................17
3.5.2 Side view......................................................................................................................................................18
3.5.3 Wall bracket.................................................................................................................................................19
3.6 Terminal assignment of the controller .................................................................................................. 20
4. Accessories and spare parts .............................................................................................. 21
4.1 Potable water circulation set..................................................................................................................21
4.2 Sealing ring set ......................................................................................................................................21
4.3 Installation relay ....................................................................................................................................21
4.4 Water sampling valve.............................................................................................................................21
4.5 Strainer................................................................................................................................................. 22
4.6 Water filter ........................................................................................................................................... 22
4.7 Earthing clamp...................................................................................................................................... 22
5. Transport and storage .......................................................................................................22
3138114082-V04.04.2022

Page
Regumaq X-45
Contents
6. Mounting .......................................................................................................................... 23
6.1 Notes on mounting............................................................................................................................... 23
6.2 Wall mounting of the station ................................................................................................................ 23
6.2.1 Required tools ............................................................................................................................................ 23
6.2.2 Mounting .................................................................................................................................................... 24
6.3 Piping ................................................................................................................................................... 25
6.4 Protective equipotential bonding/earthing........................................................................................... 27
7. Commissioning .................................................................................................................28
7.1 Filling and venting of the storage cylinder circuit.................................................................................. 28
7.2 Filling and venting of the potable water circuit ..................................................................................... 29
7.3 Electrical connection............................................................................................................................. 29
7.3.1 Power supply through the pre-assembled mains connection cable .......................................................... 30
7.3.2 Power supply without the pre-assembled mains connection cable........................................................... 30
7.4 Handover to the operator ..................................................................................................................... 32
8. Operation ......................................................................................................................... 33
8.1 Start screen .......................................................................................................................................... 33
8.2 Main menu............................................................................................................................................ 33
8.3 User authorisations............................................................................................................................... 34
8.3.1 Start menu.................................................................................................................................................. 34
8.3.2 Status...........................................................................................................................................................35
8.3.3 Hot water.....................................................................................................................................................35
8.3.4 Circulation .................................................................................................................................................. 36
8.3.5 Additional functions ................................................................................................................................... 37
8.3.6 Basic settings.............................................................................................................................................. 39
8.3.7 Manual mode.............................................................................................................................................. 39
8.4 Controller presettings...........................................................................................................................40
8.4.1 Circulation (presetting 1) ............................................................................................................................ 40
8.4.2 Storage cylinder loading (presetting 2) ......................................................................................................40
8.4.3 Circulation with return stratification (presetting 3)....................................................................................40
8.4.4 Circulation with storage cylinder loading (presetting 4) ............................................................................40
8.4.5 Circulation with return stratification and storage cylinder loading (presetting 5) .....................................40
8.5 Setting of the timer...............................................................................................................................40
8.5.1 Day selection .............................................................................................................................................. 40
8.5.2 Reset........................................................................................................................................................... 41
8.5.3 Back ............................................................................................................................................................ 41
8.6 Hot water.............................................................................................................................................. 41
8.6.1 Setting of the temperature......................................................................................................................... 41
8.6.2 Emergency operation ................................................................................................................................. 41
8.7 User code.............................................................................................................................................. 41
8.8 Circulation ............................................................................................................................................ 42
8.8.1 Off .............................................................................................................................................................. 42
8.8.2 On demand................................................................................................................................................. 42
8.8.3 Thermal ...................................................................................................................................................... 42
8.8.4 Continuous operation................................................................................................................................. 42
8.8.5 Timer .......................................................................................................................................................... 42
8.9 Additional functions ............................................................................................................................. 42
8.9.1 Return stratification.................................................................................................................................... 42
4138114082-V04.04.2022

Page
Regumaq X-45
Contents
8.9.2 Storage cylinder loading............................................................................................................................. 43
8.9.3 Error relay ................................................................................................................................................... 43
8.9.4 Parallel relay ............................................................................................................................................... 43
8.9.5 Function block (1 or 2) ................................................................................................................................ 43
8.9.6 Thermal disinfection................................................................................................................................... 43
8.10 Basic settings........................................................................................................................................44
8.11 MicroSD card slot..................................................................................................................................44
8.11.1 Insertion of the microSD card.....................................................................................................................44
8.11.2 Updating the firmware on the controller.................................................................................................... 45
8.11.3 Start of recording........................................................................................................................................ 45
8.11.4 End of recording .........................................................................................................................................46
8.11.5 Saving of the controller settings.................................................................................................................46
8.11.6 Loading of the controller settings ..............................................................................................................46
8.12 Manual mode ........................................................................................................................................46
8.13 Blocking of the controller settings ........................................................................................................46
8.14 Anti-blocking protection....................................................................................................................... 46
8.15 Replacement of the fuse .......................................................................................................................46
9. Troubleshooting................................................................................................................47
9.1 Troubleshooting table........................................................................................................................... 47
9.2 Nominal resistances of the temperature sensors..................................................................................48
9.3 Decalcification of the heat exchanger ................................................................................................... 49
9.3.1 Decalcification of the potable water circuit with the heat exchanger installed.......................................... 49
9.3.2 Cleaning of the heat exchanger (storage cylinder circuit side) .................................................................. 50
9.3.3 Decalcification of the removed heat exchanger..........................................................................................51
9.4 Cleaning of the volume flow sensor ...................................................................................................... 52
9.4.1 Required tools ............................................................................................................................................ 52
9.4.2 Cleaning of the measuring turbine............................................................................................................. 52
10. Maintenance ..................................................................................................................... 55
10.1 Maintenance ......................................................................................................................................... 55
10.1.1 Leakage check (visual inspection) ...............................................................................................................55
10.1.2 System pressure check................................................................................................................................55
10.1.3 Functional check of the safety valves (potable water circuit)......................................................................55
10.1.4 Water sampling ...........................................................................................................................................55
10.1.5 Actuation of the four shutoff ball valves .....................................................................................................55
10.1.6 Electrical components and plug connections..............................................................................................55
10.1.7 Functional control of the check valve of the circulation set ........................................................................55
10.1.8 Replacement of the potable water filter insert........................................................................................... 56
11. Notes for the operator.......................................................................................................56
12. Dismantling and disposal .................................................................................................. 57
12.1 Dismantling of the station .................................................................................................................... 57
12.1.1 Disconnection of the station from the power supply................................................................................. 57
12.1.2 Dismantling of the station.......................................................................................................................... 57
12.2 Disposal................................................................................................................................................ 57
13. List of figures....................................................................................................................58
14. Appendix ..........................................................................................................................60
14.1 Characteristic line for Wilo circulation pump ........................................................................................ 60
5138114082-V04.04.2022