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Vaillant geoTHERM VWS Series User Manual

Vaillant geoTHERM VWS Series
92 pages
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For the heating engineer
Installation instructions
geoTHERM
Heat pump
VWS/VWW
GB

Table of Contents

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Vaillant geoTHERM VWS Series Specifications

General IconGeneral
Power SourceElectricity
RefrigerantR410A
Cooling Capacity3.5 - 14.0 kW
Weight (Outdoor Unit)120 kg
Power Input Heating1.1 - 4.2 kW

Summary

2 Description of the appliance

2.2 Functional principle

Explains how the heat pump system operates, including the refrigerant cycle.

3 Safety instructions and regulations

3.1 Safety instructions

Crucial safety warnings regarding coolant, electrical shock, and potential damage.

3.3 Coolant

Information about R 407 C coolant, its properties, and safe handling procedures.

4 Assembly and installation

4.3 Dimensions and clearances

Provides detailed diagrams of the heat pump's dimensions and required clearances.

4.4 Assembly/Installation at a glance

A step-by-step overview of the entire installation process from unpacking to handover.

4.5 Preparatory work in the installation area

Details essential preparation steps for the installation site, including boreholes and pipe routing.

4.6 Requirements of the heating circuit

Specifies requirements for the central heating installation, including flow temperatures and pipe insulation.

4.10 Installing the heat pump

Instructions for positioning, aligning, and securing the heat pump at its installation site.

5 Filling the heating and heat source systems

5.1 Filling the heating circuit

Instructions for filling and bleeding the heating circuit, including valve settings.

5.2 Filling the brine circuit (VWS only)

Guidance on mixing and filling the brine fluid for VWS models, including approved media.

6 Electrical installation

6.1 Safety and installation information

Essential safety precautions and guidelines for electrical installation.

6.4 Connecting the power supply

Details on how to connect the heat pump to the power supply, including different connection types.

7 Start-up

7.1 General points regarding start-up

Pre-operation checks and familiarization with the controller interface before starting.

7.2 Operating the controller

Guide to navigating and understanding the controller's interface and displays.

7.3 Carrying out the initial commissioning

Steps for performing the initial commissioning, including self-tests and system configuration.

8 Controller

9 Inspection and maintenance

10 Troubleshooting and diagnostics

10.1 Error messages on the controller

How error messages appear, are stored in memory, and can be displayed.

10.5 Blocking error

Information on blocking errors, emergency modes, and sensor faults.

13 Technical data

14 Start-up checklist

14 Start-up checklist

A comprehensive checklist to ensure all points are satisfied before putting the heat pump into service.

Appendix

Electrical circuit diagram - VWS

Detailed wiring diagram showing electrical connections for VWS heat pumps.

Electrical circuit diagram - VWW

Detailed wiring diagram showing electrical connections for VWW heat pumps.

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