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Supplement to the operating and installation manual no. 0020054784
for the VR 68 solar module
The VR 68/2 solar module can be used together with the VRC 430/VRC 430f and VRC 470 compensator types.
> Please follow the installation, start-up and operating instructions below.
VRC 430/VRC 430f
> Please follow the operating and installation manual (no. 0020054784) supplied with the solar module.
VRC 470
> During installation, follow the operating and installation manual (no. 0020054784) supplied with the solar module.
> During start-up and operation, follow the installation manual (no. 0020116690) and operating manual
(no. 0020116689) for the VRC 470.
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Summary of Contents for Vaillant VR 68
- Page 1 Supplement to the operating and installation manual no. 0020054784 for the VR 68 solar module The VR 68/2 solar module can be used together with the VRC 430/VRC 430f and VRC 470 compensator types. > Please follow the installation, start-up and operating instructions below.
- Page 2 For the operator / for the heating engineer Operating and Installation Manual Solar module VR 68 Solar module for VRC 430/VRC 430f...
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Page 3: Table Of Contents
Optimisation at the operation level for the operator ............23 8.1.2 Optimisation at the operation level for the expert technician ...........24 Technical data ..........24 Manufacturer's guarantee and works customer service ......... 24 Glossary ..............25 Operating and Installation Manual for Solar Module VR 68 0020054784_00... -
Page 4: Notes On The Documentation
– All instructions for the accessories The following chapters are intended for the expert technician: – 4 Incorporation of the VR 68 solar module into the solar heating system – 5 Assembly – 6 Electrical installation –... -
Page 5: Description Of The Device
Description of the device Identification plate The identification plate of the VR 68 solar module is on The VR 68 solar module is used to expand the VRC 430 the inside of the housing cover. or VRC 430f controllers. CE-mark/conformity... -
Page 6: Safety Instructions And Regulations
Safety instructions terminals for other wiring. Danger! The VR 68 solar module must be installed in dry rooms. Danger due to live connections! When working on the open VR 68 mixer module All wiring must be in accordance with Building... -
Page 7: Incorporation Of The Vr 68 Into The Solar Heating System
60 °C (not only due to The VR 68 solar module can be combined with the VR 61 the solar heating, but also the legionella mixer module within a solar heating system. Two heating protection function if it is active). - Page 8 Incorporation of the VR 68 into the solar heating system 4 Designations: Nomenclature Meaning External sensor (with VRC 430: VRC 693/ VRC 9535; with VRC 430f: VR20/ VR21) Yield Solar yield sensor (VR 10) (Ertrag) HK-P Pump for heating circuit...
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Page 9: Hydraulic Diagram 1
4 Incorporation of the VR 68 into the solar heating system Hydraulic diagram 1 – a wall-mounted boiler – an uncontrolled heating circuit – a solar circuit – a bivalent solar hot water cylinder – reheating of bivalent solar hot water cylinder using preference switching valve (VUV) –... -
Page 10: Hydraulic Diagram 2
Incorporation of the VR 68 into the solar heating system 4 Hydraulic diagram 2 – a boiler (floor-mounted unit) – an uncontrolled heating circuit – a solar circuit – a bivalent solar hot water cylinder – charging pump for reheating bivalent solar hot water cylinder;... -
Page 11: Hydraulic Diagram 3
4 Incorporation of the VR 68 into the solar heating system Hydraulic diagram 3 – a wall-mounted boiler – an uncontrolled heating circuit – a solar circuit – a bivalent solar hot water cylinder – reheating of bivalent solar hot water cylinder using preference switching valve (VUV) –... - Page 12 Incorporation of the VR 68 into the solar heating system 4 VRC 430 VR 68 AF (VRC 693, VRC 9535) KOL 1 (VR 11) VR 40 230 V ~ KOL 1-P SP 1 (VR 10) LEG-P Ertrag (VR 10) SP 2...
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Page 13: Hydraulic Diagram 4
4 Incorporation of the VR 68 into the solar heating system Hydraulic diagram 4 – a boiler (floor-mounted unit) – an uncontrolled heating circuit – a solar circuit – a bivalent solar hot water cylinder – charging pump for reheating bivalent solar hot water cylinder;... - Page 14 Incorporation of the VR 68 into the solar heating system 4 AF (VRC 693, VRC 430 VRC 9535) VR 68 KOL 1 (VR 11) HK-P 230 V ~ VR 40 KOL-P SP 1 (VR 10) LEG-P Ertrag (VR 10) SP 2...
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Page 15: Assembly
Temp. in °C R in kOhm Temp. in °C R in kOhm 15.694 1.753 The VR 68 solar module is mounted on a wall near the 12.486 1.481 corresponding functional units. 10.000 1.256 The adjustment of all required parameters is carried out 8.060... -
Page 16: Assembling Vr 10 Standard Sensor
Mounting the VR 11 collector sensor A description of how to mount the VR 11 collector sensor is provided in the installation instructions for the solar collectors. Operating and Installation Manual for Solar Module VR 68 0020054784_00... -
Page 17: Electrical Installation
Heating unit 2 230 V line on customer side 3 eBUS connection (twin core) If the casing of the VR 68 solar module is closed, open it as described in Chapter 5.2. Connecting the VR 68 solar module The mains infeed up to the VR 68 solar module is to be provided on the customer side. - Page 18 10 Sensor TD 1 for swimming pool or additional differential control 11 Sensor TD 2 for additional differential control Note! If the VR 68 solar module is integrated into a system with a VRC 430 or VRC 430f controller, the multifunction relay is configured via the installation assistant of the VRC 430 or VRC 430f controller.
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Page 19: Start-Up
You can select the components for functional testing on the VRC 430 or VRC 430f: display screen A5 of the installation assistant (components are actuated briefly). Display screen A4 It is a pre-requisite that "VR 68" is selected as the module selection. Installation assistent Sensors Actuators... -
Page 20: Vrc 430/Vrc 430F Operation Level For The Expert Technician
This Table shows you which parameters you can adjust and change. The installation of the VR 68 solar module in the solar heating system results in a number of changes to the standard configuration as described in the manual for the VRC 430 or VRC 430f;... - Page 21 Summer operation If outdoor temperature > room mode Offset target temperature + summer offset, the appliance switches off Table 7.2 Display screens in the level for the expert technician Operating and Installation Manual for Solar Module VR 68 0020054784_00...
- Page 22 WE, TH, FR, 70°C for an hour SA, SU, MO-SU Start time of 0:00 24:00 0:10 4:00 Legionella protection Table 7.2 Display screens in the level for the expert technician (continuation) Operating and Installation Manual for Solar Module VR 68 0020054784_00...
- Page 23 Matching the room correction temperature sensor Display contrast Software versions Software-Version Display of version VR 68 (A) number Table 7.2 Display screens in the level for the expert technician (continuation) Operating and Installation Manual for Solar Module VR 68 0020054784_00...
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Page 24: Vrc 430/Vrc 430F Operation Level For The Operator
The following measures can be taken at the operation The installation of the VR 68 solar module in the solar level for the operator to optimise the solar yield: heating system results in a change to the standard... -
Page 25: Optimisation At The Operation Level For The Expert Technician
Young children and elderly persons are particularly at risk, even at lower temperatures. Select the target temperature so that nobody is in danger. Operating and Installation Manual for Solar Module VR 68 0020054784_00... -
Page 26: Glossary
Holiday function Solar circuit safeguard If the VR 68 is operated in holiday mode, the solar yield If the solar heat supplied exceeds the current heat and reheating functions are deactivated for the specified demand the temperature in the collector increases holiday period. - Page 27 A circulation pump circulates hot water via your hot water pipe. This means that hot water is available instantly when the water cock is opened. Time windows can be programmed for the circulation pump. Operating and Installation Manual for Solar Module VR 68 0020054784_00...
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