Vaillant VWL Series Operating Instructions Manual page 18

Contents
Contents
1 Safety .................................................................. 20
1.1 Action-related warnings ....................................... 20
1.2 Intended use ........................................................ 20
1.3 General safety information .................................. 20
1.4 Regulations (directives, laws, standards) ............ 21
2 Notes on the documentation ............................ 22
2.1 Further information .............................................. 22
3 Product description........................................... 22
3.1 Heat pump system............................................... 22
3.2 Safety devices ..................................................... 22
3.3 Product overview ................................................. 23
3.4 Information on the data plate ............................... 24
3.5 Connection symbols ............................................ 24
3.6 CE marking .......................................................... 24
3.7 Cooling mode....................................................... 24
4 Set-up.................................................................. 24
4.1 Unpacking the product......................................... 24
4.2 Checking the scope of delivery............................ 24
4.3 Selecting the installation site ............................... 25
4.4 Dimensions .......................................................... 25
4.5 Minimum clearances and installation
clearances ........................................................... 25
4.6 Wall-mounting the product................................... 26
4.7 Removing the front casing ................................... 26
5 Hydraulics installation ...................................... 26
5.1 Carrying out the installation preparations ............ 26
5.2 Connecting the heat pump to the indoor unit....... 27
5.3 Connecting the domestic hot water cylinder's
heating flow and heating return ........................... 27
5.4 Connecting the building circuit............................. 27
5.5 Installing the drain hose on the expansion
relief valve............................................................ 27
6 Electrical installation......................................... 28
6.1 Preparing the electrical installation...................... 28
6.2 Requirements for the quality of the mains
voltage ................................................................. 28
6.3 Electrical partition ................................................ 28
6.4 Installing components for the energy supply
company lockout function .................................... 28
6.5 Establishing the power supply, 1~/230V.............. 29
6.6 Establishing the power supply, 3~/400V.............. 29
6.7 Opening the power supply PCB's electronics
box ....................................................................... 30
6.8 Establishing the power supply ............................. 30
6.9 Installing the system control in the electronics
box ....................................................................... 31
6.10 Routing the cables ............................................... 31
6.11 Carrying out the wiring......................................... 31
6.12 Opening the control PCB's electronics box ......... 32
6.13 Connecting the circulation pump ......................... 32
6.14 Connecting a limit thermostat for the
underfloor heating................................................ 32
6.15 Connecting the outdoor temperature sensor ....... 32
18
6.16 Connecting the domestic hot water cylinder's
temperature sensor.............................................. 32
6.17 Connecting the external prioritising diverter
valve (optional) .................................................... 32
6.18 Connecting the VR 70/VR 71 mixer module........ 32
6.19 Connecting cascades .......................................... 32
6.20 Closing the electronics box for the power
supply PCB .......................................................... 32
6.21 Checking the electrical installation ...................... 32
7 Operation............................................................ 33
7.1 Operating concept of the product ........................ 33
8 Start-up ............................................................... 33
8.1 Prioritising diverter valve, setting the heating
circuit/cylinder charging ....................................... 33
8.2 Checking and treating the heating water/filling
and supplementary water .................................... 33
8.3 Filling and purging the heating installation .......... 34
8.4 Purging ................................................................ 35
8.5 Switching on the product ..................................... 35
8.6 Running the installation assistants ...................... 35
8.7 Menu functions without the optional system
control .................................................................. 35
8.8 Enabling the electric back-up heater ................... 35
8.9 Setting the anti-legionella function....................... 36
8.10 Calling up the installer level ................................. 36
8.11 Checking the configuration .................................. 36
8.12 Calling up statistics .............................................. 36
8.13 Displaying the filling pressure in the building
circuit ................................................................... 36
8.14 Checking function and leak-tightness.................. 36
8.15 Floor drying.......................................................... 36
8.16 Starting up the optional system control ............... 37
9 Adapting the unit to the heating
installation.......................................................... 37
9.1 Configuring the heating installation ..................... 37
9.2 Total pressure loss in the product, heating
circuit and domestic hot water ............................. 37
9.3 Instructing the end user ....................................... 37
10 Troubleshooting ................................................ 37
10.1 Contacting your service partner........................... 37
10.2 Reading off the fault codes .................................. 37
10.3 Querying the fault memory .................................. 37
10.4 Resetting the fault memory.................................. 38
10.5 Displaying Live Monitor (status codes)................ 38
10.6 Using the function menu ...................................... 38
10.7 Carrying out the actuator test .............................. 38
10.8 Resetting parameters to factory settings ............. 38
10.9 Safety cut-out....................................................... 38
11 Inspection and maintenance ............................ 38
11.1 Procuring spare parts .......................................... 38
11.2 Checking maintenance messages....................... 39
11.3 Observing inspection and maintenance
intervals ............................................................... 39
11.4 Preparing for inspection and maintenance .......... 39
Installation and maintenance instructions Hydraulic Station 0020291544_01