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uniTOWER plus
Operating instructions manual
Vaillant uniTOWER plus Operating Instructions Manual
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Operating Instructions
Table of Contents
General Safety Information
Safety
Intended Use
Notes on the Documentation
Product Description
Heat Pump System
Product Design
Opening the Front Flap
Control Elements
Control Panel
Description of the Symbols
Functional Description of Buttons
Type Designation and Serial Number
CE Marking
Benchmark
Safety Devices
Operation
Basic Display
Starting up the Product
Menu Display
Operating Concept
Caring for the Product
Maintenance
Setting the Domestic Hot Water Temperature
Care and Maintenance
Setting the Heating Flow Temperature
Switching off the Product's Functions
Decommissioning
Recycling and Disposal
Permanently Decommissioning the Product
Temporarily Decommissioning the Product
Detecting and Eliminating Faults
Troubleshooting
Checking the System Pressure
Reading Maintenance Messages
Reading Fault Messages
Guarantee and Customer Service
Customer Service
Appendix
A Troubleshooting
B Overview of the End User Level
Installation and Maintenance
General Safety Information
Intended Use
Safety
Regulations (Directives, Laws, Standards)
Further Information
Heat Pump System
Notes on the Documentation
Product Description
Safety Devices
Connection Symbols
Functional Elements
Information on the Data Plate
Serial Number
Benchmark
CE Marking
Compressor Hysteresis
Cooling Mode
Energy Balance Control
Set-Up
Unpacking the Product
Checking the Scope of Delivery
Permissible Height Difference between the Outdoor Unit and the Indoor Unit
Selecting the Installation Site
Dimensions
Minimum Clearances and Installation Clearances
Product Dimensions for the Transport
Transporting the Product
Separating the Product into Two Modules Where Necessary
Removing the Casing
Installing the Casing
Moving the Electronics Box (Optional)
Setting up the Indoor Unit
Carrying out the Installation Preparations
Connecting the Building Circuit
Connecting the Heat Pump to the Indoor Unit
Hydraulics Installation
Installing the Domestic Hot and Cold Water Connection
Removing the Carrying Straps
Hydraulic Connection
Installing Potable Water Pipes
Installing the Drain Pipe on the Expansion Relief Valve
Connecting Additional Components
Connecting the Condensate Discharge
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
Removing the Cover from the Power Supply PCB
Routing the Cables in the Product
Establishing the Power Supply, 3~/400V
Installing the System Control in the Electronics Box
Opening the Control Pcb's Electronics Box
Requirements for the Ebus Line
Routing the Cables in the Electronics Box
Carrying out the Wiring
Connecting a Limit Thermostat for the Underfloor Heating
Connecting the Circulation Pump
Connecting the Outdoor Temperature Sensor
Connecting the VR 70/VR 71 Mixer Module
Installing the Cover for the Power Supply PCB
Checking and Treating the Heating Water/Filling and Supplementary Water
Checking the Electrical Installation
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
Filling the Domestic Hot Water Circuit
Menu Functions Without the Optional System Control
Purging
Running the Installation Assistants
Switching on the Product
Activating Cooling Mode
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
Adapting the Unit to the Heating Installation
Configuring the Heating Installation
Instructing the End User
Starting up the Optional System Control
Total Pressure Loss in the Product, Building Circuit
Total Pressure Loss in the Product, Domestic Hot Water
10 Troubleshooting
Carrying out the Actuator Test
Contacting Your Service Partner
Displaying Live Monitor (Status Codes)
Querying the Fault Memory
Reading off the Fault Codes
Resetting the Fault Memory
Safety Cut-Out
Using the Function Menu
11 Inspection and Maintenance
Checking Maintenance Messages
Checking the Pre-Charge Pressure of the Expansion Vessel
Observing Inspection and Maintenance Intervals
Preparing for Inspection and Maintenance
Procuring Spare Parts
Resetting Parameters to Factory Settings
Using Check Programmes
12 Draining
13 Decommissioning
14 Recycling and Disposal
15 Customer Service
Cleaning the Domestic Hot Water Cylinder
Decommissioning the Product
Draining the Product's Domestic Hot Water Circuit
Draining the Product's Heating Circuit
A Functional Diagram
Appendix
B Wiring Diagram
C Control PCB
D Basic Connection Diagram for the Energy Supply Company Lockout, Shutdown Via Connection S21
E 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
K 5.4 Kw Back-Up Heater at 230 V and at
L Inspection and Maintenance Work
M Characteristic Values for the Internal Temperature Sensors, Hydraulic Circuit
N Characteristic Values for the VR10 Internal Temperature Sensors, Cylinder Temperature
O Characteristic Values for the VRC DCF Outdoor Temperature Sensor
Commissioning Checklist
Q Technical Data
Index
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Product Description
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uniTOWER plus
VIH QW 190/6 E GB
en Operating instructions
en Installation and maintenance instructions
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Chapters
Operating Instructions
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Installation and Maintenance
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Table of Contents
Troubleshooting
Reading maintenance messages
11
Appendix
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10 Troubleshooting
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