
0020291589_02 Installation and maintenance instructions 11
Installation and maintenance
instructions
Contents
1 Safety .................................................................. 13
1.1 Action-related warnings ....................................... 13
1.2 Intended use ........................................................ 13
1.3 General safety information .................................. 13
1.4 Regulations (directives, laws, standards) ............ 14
2 Notes on the documentation ............................ 15
2.1 Further information .............................................. 15
3 Product description........................................... 15
3.1 Heat pump system............................................... 15
3.2 Safety devices ..................................................... 15
3.3 Functional elements............................................. 16
3.4 Serial number ...................................................... 16
3.5 Information on the data plate............................... 16
3.6 Connection symbols ............................................ 16
3.7 CE marking .......................................................... 17
3.8 Energy balance control........................................ 17
3.9 Compressor hysteresis........................................ 17
3.10 Cooling mode....................................................... 17
4 Set-up.................................................................. 17
4.1 Unpacking the product......................................... 17
4.2 Checking the scope of delivery............................ 17
4.3 Selecting the installation site ............................... 17
4.4 Dimensions .......................................................... 18
4.5 Minimum clearances and installation
clearances ........................................................... 18
4.6 Product dimensions for the transport................... 18
4.7 Transporting the product ..................................... 18
4.8 Separating the product into two modules
where necessary.................................................. 19
4.9 Removing the casing ........................................... 20
4.10 Installing the casing ............................................. 20
4.11 Moving the electronics box (optional) .................. 21
4.12 Setting up the indoor unit..................................... 21
4.13 Removing the carrying straps.............................. 22
5 Hydraulics installation ...................................... 22
5.1 Carrying out the installation preparations ............ 22
5.2 Connecting the heat pump to the indoor unit....... 22
5.3 Connecting the building circuit............................. 22
5.4 Installing the domestic hot and cold water
connection ........................................................... 22
5.5 Installing potable water pipes .............................. 23
5.6 Installing the drain pipe on the expansion relief
valve .................................................................... 23
5.7 Connecting the condensate discharge ................ 23
5.8 Connecting additional components ..................... 23
6 Electrical installation......................................... 23
6.1 Preparing the electrical installation...................... 23
6.2 Requirements for the quality of the mains
voltage ................................................................. 24
6.3 Electrical partition ................................................ 24
6.4 Installing components for the energy supply
company lockout function .................................... 24
6.5 Removing the cover from the power supply
PCB ..................................................................... 24
6.6 Routing the cables in the product ........................ 24
6.7 Establishing the power supply, 1~/230V.............. 24
6.8 Establishing the power supply, 3~/400V.............. 25
6.9 Installing the wired system control....................... 26
6.10 Installing the wireless system control .................. 26
6.11 Opening the electronics box ................................ 26
6.12 Routing the cables in the electronics box ............ 26
6.13 Carrying out the wiring......................................... 26
6.14 Connecting the circulation pump ......................... 27
6.15 Connecting a limit thermostat for the
underfloor heating................................................ 27
6.16 Connecting the external prioritising diverter
valve (optional) .................................................... 27
6.17 Connecting the RED-3 mixer module .................. 27
6.18 Installing the cover for the power supply PCB..... 27
6.19 Checking the electrical installation ...................... 27
7 Operation............................................................ 27
7.1 Operating concept of the product ........................ 27
8 Start-up ............................................................... 27
8.1 Prioritising diverter valve, setting the heating
circuit/cylinder charging ....................................... 27
8.2 Checking and treating the heating water/filling
and supplementary water .................................... 28
8.3 Filling and purging the heating installation .......... 28
8.4 Filling the domestic hot water circuit.................... 29
8.5 Purging ................................................................ 29
8.6 Switching on the product ..................................... 29
8.7 Enabling the electric back-up heater ................... 29
8.8 Setting the anti-legionella function....................... 30
8.9 Calling up the installer level................................. 30
8.10 Checking the configuration .................................. 30
8.11 Displaying the filling pressure in the building
circuit ................................................................... 30
8.12 Checking function and leak-tightness.................. 30
8.13 Starting up the system control ............................. 30
9 Adapting the unit to the heating
installation.......................................................... 30
9.1 Total pressure loss in the product, building
circuit ................................................................... 30
9.2 Total pressure loss in the product, domestic
hot water .............................................................. 31
9.3 Instructing the end user ....................................... 31
10 Troubleshooting ................................................ 31
10.1 Reading off the fault codes.................................. 31
10.2 Using the function menu...................................... 31
10.3 Using sensor and component tests ..................... 31
10.4 Safety cut-out....................................................... 31
10.5 Resetting parameters to factory settings ............. 32
11 Inspection and maintenance ............................ 32
11.1 Procuring spare parts .......................................... 32
11.2 Checking maintenance messages....................... 32
11.3 Observing inspection and maintenance
intervals ............................................................... 32