Vaillant ecoTEC plus SERIES Installation And Maintenance Instructions

Table of Contents
2 Installation and maintenance instructions ecoTEC plus 0020116700_01
Table of Contents
1 Notes on the documentation .....................................4
1.1 Storing documents ..........................................................4
1.2 Symbols used ....................................................................4
1.3 Applicability of the instructions ...................................4
1.4 Identification plate ...........................................................4
1.5 CE label ...............................................................................4
1.6 Benchmark .........................................................................5
1.7 Type overview ...................................................................5
2 Safety .................................................................................6
2.1 Safety and warning information ..................................6
2.1.1 Classification of warnings ..............................................6
2.1.2 Structure of warnings .....................................................6
2.2 Intended use ......................................................................6
2.3 Basic safety instructions ................................................6
2.4 Important information regarding
propane-fired boilers .......................................................7
2.5 General requirements .....................................................8
2.5.1 Related documents ..........................................................8
2.5.2 Installation site .................................................................8
2.5.3 Gas supply .........................................................................9
2.5.4 Air supply ...........................................................................9
2.5.5 Compartment ventilation ...............................................9
2.5.6 Electrical supply ...............................................................9
2.5.7 Water circulation system................................................9
2.5.8 Pressure relief valve ...................................................... 10
2.5.9 Venting ...............................................................................11
3 Description of the appliance .....................................12
4 Installation ......................................................................13
4.1 Accessories .......................................................................13
4.1.1 Controller ..........................................................................13
4.1.2 Installation and operation .............................................13
4.2 Scope of delivery ............................................................13
4.2.1 Unpacking the boiler ......................................................13
4.2.2 Checking the scope of delivery....................................13
4.2.3 Disposing of the packaging ..........................................14
4.3 Transporting the appliance ..........................................14
4.4 Requirements for the installation site .......................16
4.4.1 Required minimum clearances/installation
clearances .........................................................................16
4.4.2 Using installation templates .........................................16
4.5 Dimension drawing and connection
measurements ................................................................ 18
4.6 Wall-mounting the boiler .............................................19
4.7 Removing/fitting the front casing ..............................19
4.8 Removing/fitting the side section ........................... 20
5 Gas installation ..............................................................21
5.1 Preparing for installation ..............................................21
5.2 Connecting the gas pipe ...............................................21
6 Hydraulic installation .................................................22
6.1 Preparing for installation .............................................22
6.2 Connecting the hot and cold water (VUWboiler) ..23
6.3 Connecting the domestic hot water cylinder ..........23
6.4 Connecting the heating flow and heating return...23
6.4.1 VUW boiler .......................................................................23
6.4.2 VU boiler ..........................................................................23
6.5 Low loss header .............................................................23
6.6 Connecting the condensate discharge pipework ...23
6.7 Connecting the discharge pipe to the expansion
relief valve on the boiler ..............................................24
7 Flue gas installation ...................................................25
7.1 Air/flue gas duct .............................................................25
7.2 Flue termination .............................................................26
8 Electrical installation .................................................28
8.1 Preparing for installation .............................................28
8.2 Opening/closing the electronics box .........................28
8.3 Establishing the mains connection ............................28
8.4 Connecting the controller ............................................29
8.4.1 Fitting the controller .....................................................29
8.4.2 Connecting controllers to the electronic system .. 30
8.5 Connecting additional devices .................................. 30
8.5.1 Connecting the auxiliary relay (grey connector on
PCB) (only ecoTEC 637/837) ...................................... 30
8.5.2 Connect VR 40 – "2 from 7" multi-functional
module ..............................................................................31
8.6 Actuating the circulation pump
demand-controlled..........................................................31
8.6.1 Installing the circulation pump ...................................31
8.7 Connection diagrams ....................................................32
9 Operation ........................................................................36
9.1 Calling up the installer level .......................................36
9.2 Overview of the menu structure ................................37
10 Start-up ...........................................................................39
10.1 Switching on the boiler .................................................39
10.2 Installation assistant .....................................................39
10.2.1 Language .........................................................................39
10.2.2 Filling mode .....................................................................39
10.2.3 Purging .............................................................................39
10.2.4 Target feed temperature ..............................................39
10.2.5 Hot water temperature ................................................40
10.2.6 Comfort mode ................................................................40
10.2.7 Heating partial load ...................................................... 40
10.2.8 Auxiliary relay and multi-functional module ..........40
10.2.9 Competent person telephone number .....................40
10.2.10 Terminating the installation assistant ..................... 40
10.2.11 Restarting the installation assistant ........................ 40
10.3 Appliance configuration and diagnosis menu ........40
10.4 Using test programs .....................................................40
10.5 Preparing the heating water ........................................41
10.6 Read off the filling pressure ........................................41
i
BEFORE PROCEEDING - ENSURE BOILER IS
CORRECT FOR GAS GROUP SUPPLIED!

Vaillant ecoTEC plus SERIES Specifications

General

Brand	Vaillant
Model	ecoTEC plus SERIES
Category	Boiler
Language	English