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VKK 656/4-H
Installation and maintenance instructions manual
Vaillant VKK 656/4-H Installation And Maintenance Instructions Manual
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Table of Contents
1 Safety
Action-Related Warnings
Intended Use
General Safety Information
Regulations (Directives, Laws, Standards)
2 Notes on the Documentation
Observing Other Applicable Documents
Storing Documents
Validity of the Instructions
3 Product Description
Product Design
Data Plate
Serial Number
CE Label
4 Set-Up
Transporting the Product
Checking the Scope of Delivery
Installation Site
Dimensions
Minimum Clearances
Clearance from Combustible Components
Aligning the Product
Opening the Front Flap
Hinging the Electronics Box down and up
Removing and Installing the Upper Casing
Removing and Installing the Cover Plate
Removing and Installing the Front Casing
5 Installation
Requirements
Required Accessories (On-Site)
Information on Liquid Gas Operation
Purging the Liquid Gas Tank
Using the Correct Type of Gas
Establishing the Gas and Water Connections
Establishing Water Connections
Installing and Connecting the Air/Flue System
Electrical Installation
Checking Leak-Tightness
6 Operation
Operating Concept of the Product
Calling up the Installer Level
7 Start-Up
Carrying out the Initial Start-Up
Calling up the Check Programmes
Reading off the Filling Pressure
Preventing Low Water Pressure
Checking and Treating the Heating Water/Filling and Supplementary Water
Filling the Heating Installation
Purging the Heating Installation
Filling the Condensate Siphon
Checking the Gas Setting
Checking the Heating Mode
Checking the Hot Water Generation
Checking that the Product Functions Correctly and Checking the Leak-Tightness
8 Adapting the Unit to the Installation
Calling up Diagnostics Codes
Exiting Diagnostics Mode
Setting the Maximum Flow Temperature
Setting the Burner Anti-Cycling Time
Setting the Partial Heating Load
Setting Cylinder Charging Partial Load
Setting the Pump Overrun and Pump Mode
Start-Up Behaviour
Handing the Product over to the End User
9 Troubleshooting
Reading off the Fault Codes
Eliminating Faults
Checking the Status Codes
Resetting Parameters to Factory Settings
Resetting the Safety Cut-Out
10 Carrying out Inspection and Maintenance Work
Procuring Spare Parts
Function Menu
Removing the Burner Assembly
Cleaning the Combustion Chamber
Checking the Burner
Installing the Burner Assembly
Cleaning the Condensate Siphon
Draining the Product
Draining the Heating Installation
Completing Inspection and Maintenance Work
11 Decommissioning
Decommissioning the Product
12 Recycling and Disposal
13 Customer Service
Appendix
A Check Programmes - Overview
B Function Menu - Overview
C Overview of Diagnostics Codes
D Status Codes - Overview
E Overview of Fault Codes
F Troubleshooting
G Wiring Diagrams
Wiring Diagram
Wiring Diagram for the VRC 450, VRC 470 or VRC 700 Control
Wiring Diagram for the VRS 620 and VRC 630 Control
H Inspection and Maintenance Work
I Commissioning Checklist
J Technical Data
Index
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Installation and maintenance instructions
Publisher/manufacturer
Vaillant GmbH
Berghauser Str. 40
D-42859 Remscheid
Tel. +49 21 91 18‑0
Fax +49 21 91 18‑2810
info@vaillant.de
www.vaillant.de
ecoVIT exclusiv
VKK 226/4 – VKK 656/4
AT, DE
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Troubleshooting
Handing the product over to the end user
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F Troubleshooting
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