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Vaillant VRC 720f/3 User Manual

Vaillant VRC 720f/3
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0020288151_04 Operating and installation instructions 3
Operating and installation
instructions
Contents
1 Safety .................................................................... 4
1.1 Action-related warnings ......................................... 4
1.2 Intended use.......................................................... 4
1.3 General safety information .................................... 4
1.4 -- Safety/regulations .......................................... 5
2 Product description............................................. 6
2.1 Which nomenclature is used? ............................... 6
2.2 What is the effect of the frost protection
function? ................................................................ 6
2.3 What do the following temperatures mean? .......... 6
2.4 What is a zone?..................................................... 6
2.5 What is the circulation?.......................................... 6
2.6 What is a fixed value control?................................ 6
2.7 Prerequisites for heating mode.............................. 6
2.8 Prerequisites for the cooling mode ........................ 6
2.9 What is meant by "time period"?............................ 7
2.10 What is the effect of the hybrid manager?............. 7
2.11 Preventing malfunctions ........................................ 7
2.12 Setting the heat curve............................................ 8
2.13 Display, control elements and symbols ................. 8
2.14 Operating and display functions ............................ 9
3 -- Electrical installation, set-up .................... 22
3.1 Checking the scope of delivery............................ 22
3.2 Requirements for the eBUS line .......................... 22
3.3 Requirements for the sensor cable...................... 22
3.4 Installing the radio receiver unit........................... 22
3.5 Installing the outdoor temperature sensor ........... 23
3.6 Installing the system control ................................ 25
4 -- Using the functional modules, basic
system diagram, start-up.................................. 27
4.1 System without functional modules ..................... 27
4.2 System with FM3 functional module.................... 27
4.3 System with FM5 and FM3 functional
modules ............................................................... 28
4.4 Potential application for the functional
modules ............................................................... 28
4.5 Connection assignment for the FM5 functional
module ................................................................. 29
4.6 Connection assignment for the FM3 functional
module ................................................................. 30
4.7 Settings for the basic system diagram codes ...... 31
4.8 Combinations of basic system diagram and
configuration of functional modules ..................... 33
4.9 Basic system diagram and wiring diagram .......... 34
5 -- Start-up ....................................................... 54
5.1 Prerequisites for starting up................................. 54
5.2 Running the installation assistants ...................... 54
5.3 Changing the settings later.................................. 54
5.4 Retroactively setting cooling mode...................... 54
6 Fault and maintenance messages ................... 54
6.1 Fault..................................................................... 54
6.2 Fault message ..................................................... 55
6.3 Maintenance message ........................................ 55
6.4 Cleaning the outdoor temperature sensor ........... 55
6.5 Changing the batteries......................................... 55
6.6 -- Replacing the outdoor temperature
sensor .................................................................. 56
6.7 Disposing of a defective outdoor
temperature sensor.............................................. 56
7 Information about the product ......................... 57
7.1 Observing and storing other applicable
documents ........................................................... 57
7.2 Validity of the instructions.................................... 57
7.3 Data plate ............................................................ 57
7.4 Serial number ...................................................... 57
7.5 CE marking.......................................................... 57
7.6 Guarantee and customer service ........................ 57
7.7 Recycling and disposal........................................ 57
7.8 Product data in accordance with EU
Ordinance no. 811/2013, 812/2013 ..................... 57
7.9 Technical data ..................................................... 58
Appendix ............................................................................ 59
A Troubleshooting, maintenance message........ 59
A.1 Troubleshooting................................................... 59
A.2 Maintenance messages....................................... 59
B -- Troubleshooting, maintenance
message ............................................................. 59
B.1 Troubleshooting................................................... 59
B.2 Troubleshooting................................................... 60
B.3 Maintenance messages....................................... 61
Index ................................................................................... 62

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Vaillant VRC 720f/3 Specifications

General IconGeneral
BrandVaillant
ModelVRC 720f/3
CategoryControl Unit
LanguageEnglish

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