Vaillant geoTHERM VWS, Installation Instructions Manual

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Contents
Installation instructions geoTHERM VWS/VWW 0020051574_01
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Contents
Contents
1 Notes on the documentation ........................... 3
1.1 Storage of the documents ...................................... 3
1.2 Symbols used ............................................................. 3
1.3 Applicability of the manual ..................................... 4
1.4 CE label ........................................................................ 4
1.5 Intended use ............................................................... 4
2 Description of the appliance ........................... 5
2.1 Data badge .................................................................. 5
2.2 Functional principle .................................................. 6
2.3 Design of the heat pump ......................................... 7
2.3.1 Component groups - VWS ....................................... 8
2.3.2 Component groups - VWW...................................... 9
2.4
General notes on operating modes and
functions ...................................................................... 9
3 Safety instructions and regulations .............. 10
3.1 Safety instructions ................................................... 10
3.2 Regulations, rules, guidelines ............................... 11
3.3 Coolants ....................................................................... 11
4 Assembly and installation ............................... 12
4.1 Accessories ................................................................. 12
4.2 Requirements of the installation site .................. 12
4.3 Dimensions and clearances .................................... 13
4.4 Assembly/Installation at a glance ........................ 14
4.5 Preparatory work in the installation area .......... 14
4.6 Requirements of the heating circuit .................... 15
4.7 Check the scope of delivery ................................... 16
4.8 Transporting the heat pump .................................. 16
4.9 Installing the heat pump ......................................... 18
4.10 On-site installation .................................................... 18
4.10.1 Assembly of the heating system ........................... 19
4.10.2 Assembly, brine circuit ............................................ 19
4.10.3 Assembly of the well system (VWW only) .......... 20
4.11
Fitting the VRC DCF outside temperature
sensor ........................................................................... 21
4.12 Installing the VR 80/VR 90 remote control
unit ................................................................................ 21
4.13 Installing the VR 60 mixer module ....................... 21
5 Filling the heating and heat source systems 21
5.1 Filling the heating circuit ........................................ 21
5.2 Filling the brine circuit (VWS only) ....................... 22
5.3 Well system (VWW only) ......................................... 23
6 Electrical installation ....................................... 24
6.1 Safety and installation information...................... 24
6.2 Regulations pertaining to electrical
installations ................................................................ 24
6.3 Electronic switchbox ................................................ 25
6.4 Connecting the power supply ................................ 25
6.4.1 Unblocked mains supply (electrical plan 1) ......... 26
6.4.2 Dual circuit feed (electrical plan 2 and 3) .......... 28
6.5
Controller PCB at a glance ..................................... 30
6.6 Wiring the controller PCB ....................................... 31
6.6.1 Connecting the VR 10 standard sensor ............... 31
6.6.2 Direct heating operation (Hydraulic plan 1) ....... 32
6.6.3 Mixer circuit with buffer cylinder
(Hydraulic plan 2) ...................................................... 33
6.6.4 Direct heating operation and domestic
hot water cylinder (Hydraulic plan 3) .................. 34
6.6.5 Mixer circuit with buffer cylinder and
domestic hot water cylinder
(Hydraulic plan 4) ..................................................... 36
6.6.6 Mixer circuit with buffer cylinder, domestic
hot water cylinder and external passive
cooling (hydraulic plan 10) ...................................... 37
6.7 Connecting the DCF receiver ................................. 38
6.8 Connecting accessories ........................................... 38
6.8.1 Installing the VR 80/VR 90 remote control
unit ................................................................................ 39
6.8.2 Connecting further mixer circuits ........................ 39
6.8.3 Connecting vrnetDIALOG
........................................ 40
6.9 Connecting an external boiler ............................... 41
6.10 Fitting the cladding and the operating panel .... 41
7 Start-up .............................................................. 43
7.1 General points regarding start-up ........................ 43
7.2 Controller operation ................................................. 44
7.2.1 Familiarising yourself with the controller........... 44
7.2.2 Calling up the screens ............................................. 44
7.3
Carrying out the initial commissioning ............... 45
7.4 Bleeding the brine circuit. ..................................... 46
7.5 Bleeding the heating circuit ................................... 46
7.6 Handing the system over to the operator .......... 46
8 Controller ........................................................... 47
8.1 Operating modes and functions ............................ 47
8.2 Automatic auxiliary functions ................................ 47
8.3 Settable auxiliary functions.................................... 48
8.3.1 Auxiliary functions in the Operator Level .......... 48
8.3.2 Auxiliary functions in the Code Level .................. 48
8.3.3 Auxiliary functions via vrDIALOG ......................... 49
8.4
Description of the controller .................................. 49
8.4.1 Possible system circuits .......................................... 49
8.4.2 Energy balance controller ...................................... 49
8.4.3 Buffer cylinder charging principle ........................ 50
8.4.4 Resetting to factory settings ................................. 50
8.4.5 Controller structure ................................................. 50
8.5
Operator level sequence diagram ........................ 51
8.6 Code level sequence diagram ................................ 52
8.7 Displays in the operator level ................................ 54
8.8 Displays in the code layer ....................................... 59
8.9 Installer Menu ............................................................ 67
8.10 Parameters that can be set with
vrDIALOG 810/2
............................................................. 69
9 Inspection and maintenance ........................... 71
9.1 General notes ............................................................. 71
9.2 Inspection work to be performed ......................... 71
9.3 Servicing and repairs ............................................... 71
9.4 Test operation and restarting................................ 72