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Heat Pump
VWL Series
Operating instructions manual
Vaillant VWL Series Operating Instructions Manual
Hydraulic station
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Operating Instructions
Table of Contents
1 Safety
Intended Use
General Safety Information
2 Notes on the Documentation 2
3 Product Description
Heat Pump System
Design of the Product
Control Elements
Control Panel
Description of the Symbols
Functional Description of Buttons
Type Designation and Serial Number
CE Marking
Safety Devices
4 Operation
Basic Display
Operating Concept
Menu Display
Starting up the Product
Setting the Heating Flow Temperature
Setting the Domestic Hot Water Temperature
Switching off the Product's Functions
5 Care and Maintenance
Caring for the Product
Maintenance
Reading Maintenance Messages
Checking the System Pressure
6 Troubleshooting
Reading Fault Messages
Detecting and Eliminating Faults
7 Decommissioning
Temporarily Decommissioning the Product
Permanently Decommissioning the Product
8 Recycling and Disposal
9 Guarantee and Customer Service
Guarantee
Customer Service
Appendix
A Troubleshooting
B Overview of the End User Operating Level
Installation and Maintenance Instructions
Action-Related Warnings
General Safety Information
Intended Use
Safety
Regulations (Directives, Laws, Standards)
Further Information
Heat Pump System
Notes on the Documentation
Product Description
Safety Devices
Product Overview
CE Marking
Checking the Scope of Delivery
Connection Symbols
Cooling Mode
Information on the Data Plate
Set-Up
Unpacking the Product
Dimensions
Minimum Clearances and Installation Clearances
Selecting the Installation Site
Carrying out the Installation Preparations
Hydraulics Installation
Removing the Front Casing
Wall-Mounting the Product
Connecting the Building Circuit
Connecting the Domestic Hot Water Cylinder's Heating Flow and Heating Return
Connecting the Heat Pump to the Indoor Unit
Installing the Drain Hose on the Expansion Relief Valve
Electrical Installation
Electrical Partition
Installing Components for the Energy Supply Company Lockout Function
Preparing the Electrical Installation
Requirements for the Quality of the Mains Voltage
Establishing the Power Supply, 1~/230V
Establishing the Power Supply, 3~/400V
Establishing the Power Supply
Opening the Power Supply Pcb's Electronics Box
Carrying out the Wiring
Installing the System Control in the Electronics Box
Routing the Cables
Checking the Electrical Installation
Closing the Electronics Box for the Power Supply PCB
Connecting a Limit Thermostat for the Underfloor Heating
Connecting Cascades
Connecting the Circulation Pump
Connecting the Domestic Hot Water Cylinder's Temperature Sensor
Connecting the External Prioritising Diverter Valve (Optional)
Connecting the Outdoor Temperature Sensor
Connecting the VR 70/VR 71 Mixer Module
Opening the Control Pcb's Electronics Box
Checking and Treating the Heating Water/Filling and Supplementary Water
Operating Concept of the Product
Operation
Prioritising Diverter Valve, Setting the Heating Circuit/Cylinder Charging
Start-Up
Filling and Purging the Heating Installation
Enabling the Electric Back-Up Heater
Menu Functions Without the Optional System Control
Purging
Running the Installation Assistants
Switching on the Product
Calling up Statistics
Calling up the Installer Level
Checking Function and Leak-Tightness
Checking the Configuration
Displaying the Filling Pressure in the Building Circuit
Floor Drying
Setting the Anti-Legionella Function
10 Troubleshooting
Adapting the Unit to the Heating Installation
Configuring the Heating Installation
Contacting Your Service Partner
Instructing the End User
Querying the Fault Memory
Reading off the Fault Codes
Starting up the Optional System Control
Total Pressure Loss in the Product, Heating Circuit and Domestic Hot Water
11 Inspection and Maintenance
Carrying out the Actuator Test
Displaying Live Monitor (Status Codes)
Procuring Spare Parts
Resetting Parameters to Factory Settings
Resetting the Fault Memory
Safety Cut-Out
Using the Function Menu
12 Draining
Checking Maintenance Messages
Checking the High-Pressure Switch-Off
Checking the Pre-Charge Pressure of the Expansion Vessel
Draining the Product's Heating Circuit
Observing Inspection and Maintenance Intervals
Preparing for Inspection and Maintenance
Using Check Programmes
13 Decommissioning
14 Customer Service
Decommissioning the Product
Draining the Heating Installation
Recycling and Disposal
Appendix
A Functional Diagram
B Wiring Diagram
C Control PCB
Basic Connection Diagram for the Energy Supply Company Lockout, Shutdown Via Connection S21
Basic Connection Diagram for the Energy Supply Company Lockout, Shutdown Via Partition
F Installer Level Overview
G Status Codes
H Maintenance Messages
I Comfort Protection Mode
J Fault Codes
Kw Back-Up Heater at 230 V and at
400 V
L Inspection and Maintenance Work
Characteristic Values for the Internal Temperature Sensors, Hydraulic Circuit
N Characteristic Values for the VR10 Internal Temperature Sensors, Cylinder Temperature
Characteristic Values for the VRC DCF Outdoor Temperature Sensor
P Technical Data
Index
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1
Heat Pump System
2
Design of the Product
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Operating instructions
Publisher/manufacturer
Vaillant GmbH
Berghauser Str. 40
D-42859 Remscheid
Tel. +492191 18 0
Fax +492191 18 2810
info@vaillant.de
www.vaillant.de
Hydraulic Station
VWZ MEH 97/6
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Chapters
Operating Instructions
2
Installation and Maintenance Instructions
18
Table of Contents
Troubleshooting
Switching off the product's functions
9
Appendix
11
Starting up the optional system control
37
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This manual is also suitable for:
Vih qw 190/6 series
Vwz meh 97/6
Unitower plus vih qw 190/6 e gb
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