Table Of Contents - Vaillant ecoTEC plus Instructions For Installation And Servicing

Contents
Contents
1 Introduction ................................................................4
1.1 Notes on the documentation ...................................4
1.2 Applicable documents ...............................................4
1.3 Retention of documents ............................................4
1.4 Safety instructions and symbols .............................4
1.5 Validity of the manual ...............................................4
1.6 Introduction ..................................................................4
1.7 General Notes ..............................................................5
1.8 Intended use ................................................................5
1.9 CE marking ...................................................................5
1.10 Gas council numbers ..................................................6
2 Boiler specifications ................................................ 7
2.1 Technical data .............................................................. 7
2.2 Dimensions ...................................................................9
2.3 Installation .................................................................. 10
2.4 Type plate ................................................................... 10
3 General requirements ..............................................11
3.1 Preliminary remarks for room sealed
appliances .....................................................................11
3.2 Related documents.....................................................11
3.3 Contents included with delivery .............................12
3.4 Installation site ...........................................................14
3.5 Gas supply ...................................................................15
3.6 Flue pipe.......................................................................15
3.6.1 Standard 100 mm flue system .................................15
3.6.2 Optional 125 mm flue system ..................................15
3.7 Flue termination .........................................................16
3.8 Air supply .....................................................................17
3.9 Electrical supply .........................................................17
3.10 Guide to system requirements ...............................18
3.10.1 Water circulation system .........................................18
3.10.2 Filling and preparing heating system ...................18
3.10.3 Pressure relief valve ............................................... 20
3.10.4 Pressure gauge ........................................................ 20
3.10.5 Expansion vessel ...................................................... 20
3.11 Pump specifications ................................................ 20
3.11.1 Circulating pump ...................................................... 20
3.11.2 System by-pass ...........................................................21
3.11.3 Venting .........................................................................21
3.12 Condensate trap .........................................................21
4 Boiler installation sequence ................................22
4.1 Transporting the appliance ....................................22
4.2 Required minimum distances/assembly
clearances ...................................................................23
4.2.1 Select position for boiler ........................................23
4.2.2 Unpack the boiler .....................................................24
4.2.3 Using boiler template ..............................................24
4.3 Flue exit .......................................................................25
4.4 Fitting the boiler hanging bracket ........................25
4.5 Installing the flue system ........................................25
4.6 Fitting the boiler .......................................................25
4.7 Removing the front case .........................................25
4.8 General instructions for heating system ............26
2
4.9 Gas connection ..........................................................26
4.10 Cold water mains inlet and hot water outlet
(ecoTEC combination boilers only) .......................27
4.11 Condensate drain pipe .............................................28
4.12 Heating connection .................................................29
4.12.1 Heating flow and return connection ....................29
4.12.2 Pressure Relief Valve .............................................. 30
4.13 Connecting the flue system to the boiler .......... 30
4.14 Electrical connection .............................................. 30
4.14.1 General requirements ............................................. 30
4.14.2 Connection to the main supply ..............................31
4.14.3 Electric board layout ................................................33
4.15 Controls .......................................................................36
4.15.1 Vaillant controls and accessories .........................36
4.15.2 External electrical controls ....................................36
4.15.3 Connection details for external time switches
and boiler terminal strip .........................................37
4.15.4 Vaillant optional plug in timer accessories ........37
4.15.5 Connection details using the VR 65 Control
Center ..........................................................................37
4.16 Thermostatic radiator valves .................................37
4.17 Frost protection .........................................................37
4.18 Circulating pump .......................................................37
4.19 Anticycling 'economiser' control ..........................37
4.20 Automatic pump spin control (APS) ....................37
5 Commissioning Part I ............................................38
5.1 Preliminary electrical checks .................................38
5.2 Gas supply ..................................................................38
5.3 Cold water supply (ecoTEC combination
boilers only) ................................................................38
5.4 Filling and bleeding the heating system .............38
5.4.1 Checking the filling pressure of the heating
system .........................................................................38
5.4.2 ecoTEC plus combination boiler filling loop .......39
5.4.3 Filling the heating system in ecoTEC pro
combination boilers and ecoTEC plus system
boilers ..........................................................................39
5.4.4 Filling the heating system for the first time ......39
5.5 Initial system flush ("cold") ................................... 40
5.6 Filling the condensate siphon ............................... 40
5.7 Adjusting the pumping capacity .......................... 40
5.8 Adjusting the by-pass ............................................. 40
5.9 Checking the gas setting .........................................41
5.9.1 Checking for tightness of the flue gas
installation and flue gas recirculation .................42
5.9.2 Checking the gas flow rate .....................................42
5.9.3 Checking the gas inlet working pressure ............43
5.10 Refitting the case ..................................................... 46
5.11 Adjusting the central heating output
(range rating) ............................................................ 46
5.12 Gas changeover ........................................................ 46
Instructions for installation and servicing ecoTEC 839592_13