Vaillant aroTHERM plus VWL 75/6 A S2 Series Operating Instructions Manual page 55

Installation and maintenance
instructions
Contents
1 Safety .................................................................. 57
1.1 Intended use ........................................................ 57
1.2 General safety information .................................. 57
1.3 Regulations (directives, laws, standards) ............ 58
2 Notes on the documentation ............................ 59
2.1 Documents........................................................... 59
2.2 Validity of the instructions .................................... 59
2.3 Further information .............................................. 59
3 Product description........................................... 59
3.1 Heat pump system............................................... 59
3.2 Description of the product.................................... 59
3.3 Cooling mode....................................................... 59
3.4 Noise reduction mode.......................................... 59
3.5 Functions of the heat pump ................................. 59
3.6 Product design..................................................... 60
3.7 Information on the data plate ............................... 61
3.8 Connection symbols ............................................ 62
3.9 Warning sticker .................................................... 62
3.10 CE marking .......................................................... 62
3.11 Application limits .................................................. 62
3.12 Thawing mode ..................................................... 63
3.13 Safety devices ..................................................... 63
4 Protective zone .................................................. 63
4.1 Protective zone .................................................... 63
4.2 Design of the condensate discharge ................... 65
5 Set-up.................................................................. 66
5.1 Checking the scope of delivery............................ 66
5.2 Transporting the product ..................................... 66
5.3 Dimensions .......................................................... 66
5.4 Complying with minimum clearances .................. 67
5.5 Conditions for the installation type....................... 67
5.6 Selecting the installation site ............................... 67
5.7 Preparing for fitting and installation ..................... 68
5.8 Planning the foundation ....................................... 68
5.9 Creating a foundation .......................................... 69
5.10 Guaranteeing occupational safety ....................... 69
5.11 Installing the product............................................ 69
5.12 Connecting the condensate discharge pipe ........ 70
5.13 Setting up a protective wall.................................. 71
5.14 Removing/installing the casing sections.............. 71
6 Hydraulics installation ...................................... 72
6.1 Installation type: Direct connection or system
separation ............................................................ 72
6.2 Guaranteeing the minimum circulation water
volume ................................................................. 72
6.3 Requirements for hydraulic components ............. 72
6.4 Preparing the hydraulics installation.................... 72
6.5 Routing pipelines to the product .......................... 72
0020297933_07 Installation and maintenance instructions
6.6 Connecting the pipelines to the product .............. 73
6.7 Completing the hydraulics installation ................. 73
6.8 Option: Connecting the product to a swimming
pool ...................................................................... 73
7 Electrical installation......................................... 73
7.1 Preparing the electrical installation...................... 74
7.2 Requirements for the quality of the mains
voltage ................................................................. 74
7.3 Requirements for electrical components ............. 74
7.4 Requirements for the eBUS line .......................... 74
7.5 Electrical partition ................................................ 74
7.6 Installing components for the energy supply
company lockout function .................................... 74
7.7 Removing the cover for the electrical
connections.......................................................... 74
7.8 Stripping the electrical wire.................................. 75
7.9 Establishing the power supply, 1~/230V.............. 75
7.10 Connecting the eBUS line ................................... 75
7.11 Connecting a limit thermostat .............................. 76
7.12 Connecting accessories ...................................... 76
7.13 Installing the cover for the electrical
connections.......................................................... 76
8 Start-up ............................................................... 76
8.1 Checking before switching on.............................. 76
8.2 Switching on the product ..................................... 76
8.3 Checking and treating the heating water/filling
and supplementary water .................................... 76
8.4 Filling and purging the heating circuit .................. 77
8.5 Available remaining feed pressure ...................... 78
9 Handing over to the end user ........................... 78
9.1 Instructing the end user ....................................... 78
10 Troubleshooting ................................................ 78
10.1 Fault messages ................................................... 78
10.2 Other faults .......................................................... 78
11 Inspection and maintenance ............................ 78
11.1 Preparing for inspection and maintenance .......... 78
11.2 Observing the work plan and intervals ................ 79
11.3 Procuring spare parts .......................................... 79
11.4 Carrying out maintenance work........................... 79
11.5 Completing inspection and maintenance............. 80
12 Repair and service............................................. 80
12.1 Preparing repair and service work on the
refrigerant circuit .................................................. 80
12.2 Removing refrigerant from the product................ 80
12.3 Removing components of the refrigerant
circuit ................................................................... 81
12.4 Installing components of the refrigerant circuit .... 81
12.5 Filling the product with refrigerant ....................... 81
12.6 Completing repair and service work .................... 81
13 Decommissioning.............................................. 82
13.1 Temporarily decommissioning the product.......... 82
13.2 Permanently decommissioning the product......... 82
14 Recycling and disposal..................................... 82
14.1 Disposing of the packaging ................................. 82
14.2 Disposing of the refrigerant ................................. 82
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