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Vaillant VWZ AI User Manual
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0020291573_00
16.12.2019
Supplier
Vaillant
Ltd.
Nottingham
Road
Belper
Derbysh
ire
DE56
1JT
Telephone
0330
100
3461
info@vaillant.co.uk
www.vaillant.co.uk
©
These
instructions,
or
parts
thereof,
are
protected
by
c
opyright
and
may
be
reproduced
or
distributed
only
with
the
manufacturer's
written
consent.
0020291573_00
39
Table of Contents
Table of Contents
3
1 Safety
4
Action-Related Warnings
4
Intended Use
4
General Safety Information
4
2 Notes on the Documentation
6
3 Product Description
6
Heat Pump System
6
Control Elements
6
Control Panel
6
Description of the Symbols
6
Functional Description of Buttons
7
Type Designation and Serial Number
7
CE Marking
7
Safety Devices
7
4 Operation
7
Basic Display
7
Operating Concept
8
Menu Display
8
Starting up the Product
8
Setting the Heating Flow Temperature
9
Setting the Domestic Hot Water Temperature
9
Switching off the Product's Functions
9
5 Care and Maintenance
10
Caring for the Product
10
Maintenance
10
Reading Maintenance Messages
10
Checking the System Pressure
10
6 Troubleshooting
10
Reading Fault Messages
10
Detecting and Eliminating Faults
10
7 Decommissioning
10
Temporarily Decommissioning the Product
10
Appendix
11
A Troubleshooting
11
B Overview of the End User Operating Level
11
Table of Contents
13
1 Safety
14
Action-Related Warnings
14
Intended Use
14
General Safety Information
14
Regulations (Directives, Laws, Standards)
15
2 Notes on the Documentation
16
Further Information
16
3 Product Overview
16
Heat Pump System
16
Overview of Functional Elements
16
Connecting the Power Supply Cable and Ebus Cable in the System
16
CE Marking
17
Safety Devices
17
Energy Balance Control
17
Compressor Hysteresis
17
Cooling Mode
17
4 Set-Up
17
Checking the Scope of Delivery
17
Selecting the Installation Site
17
Opening the Housing
17
Installing the Product
18
Closing the Casing
18
5 Installation
18
Installing the VR 10 Standard Sensor
18
Installing the External Temperature Sensor
18
Preparing the Electrical Installation
18
Installing Components for the Energy Supply Company Lockout Function
19
Connecting the Circulation Pump
20
Connecting a Limit Thermostat for the Underfloor Heating
20
Connecting the Outdoor Temperature Sensor
20
Connecting the External Prioritising Diverter Valve (Optional)
20
Connecting the VR 70/VR 71 Mixer Module
20
6 Operation
20
Operating Concept of the Product
20
7 Start-Up
20
Starting up the Product
20
Switching on the Product
20
Menu Functions Without the Optional System Control
21
Calling up the Installer Level
21
Checking the Configuration
21
Calling up Statistics
21
Displaying the Filling Pressure in the Building Circuit
21
Checking the Heating Mode
21
Checking the Domestic Hot Water Generation
21
Floor Drying
21
Starting up the Optional System Control
22
8 Adapting the Unit to the Heating Installation
22
Configuring the Heating Installation
22
Total Pressure Losses in the System
22
Instructing the End User
22
9 Troubleshooting
22
Contacting Your Service Partner
22
Reading off the Fault Codes
22
Querying the Fault Memory
23
Displaying Live Monitor (Status Codes)
23
Using the Function Menu
23
Carrying out the Actuator Test
23
Resetting Parameters to Factory Settings
23
10 Inspection and Maintenance
23
Checking Maintenance Messages
23
Using Check Programmes
23
11 Decommissioning
23
Decommissioning the Product
23
Appendix
24
A Printed Circuit Board
24
B Basic Connection Diagram for the Energy Supply Company Lockout
25
C Installer Level Overview
26
D Status Codes
29
E Maintenance Messages
31
F Fault Codes
32
G Characteristic Values for the Internal Temperature Sensors, Hydraulic Circuit
36
H Characteristic Values for the VRC DCF Outdoor Temperature Sensor
37
Technical Data
37
Index
38
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Vaillant VWZ AI Specifications
General
Brand
Vaillant
Model
VWZ AI
Category
Control Unit
Language
English
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