Vaillant ecoTEC plus SERIES Installation And Maintenance Manual

2
Contents
Installation and maintenance manual ecoTEC
Contents
1 Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . 4
1.1 Notes on the documentation . . . . . . . . . . . . . . . 4
1.1.1 Applicable documents. . . . . . . . . . . . . . . . . . . . . 4
1.1.2 Preservation of documents . . . . . . . . . . . . . . . . 4
1.1.3 Safety instructions and symbols. . . . . . . . . . . . 4
1.2 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
1.3 General Notes. . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
1.4 CE mark . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
1.5 Declaration of conformity. . . . . . . . . . . . . . . . . . 5
2 Boiler specifications . . . . . . . . . . . . . . . . . . . 6
2.1 Technical data. . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.2 Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2.4 Installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
2.5 Type plate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
3 General requirements . . . . . . . . . . . . . . . . . . 10
3.1 Preliminary remarks . . . . . . . . . . . . . . . . . . . . . . 10
3.2 Related documents . . . . . . . . . . . . . . . . . . . . . . . 10
3.3 Scope of delivery and accessories . . . . . . . . . . 10
3.4 Installation site. . . . . . . . . . . . . . . . . . . . . . . . . . . 12
3.5 Gas supply. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
3.6 Flue pipe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
3.6.1 Standard 100 mm flue system . . . . . . . . . . . . . . 13
3.6.2 Optional 125 mm flue system . . . . . . . . . . . . . . . 13
3.7 Flue termination. . . . . . . . . . . . . . . . . . . . . . . . . . 14
3.8 Air supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
3.9 Electrical supply. . . . . . . . . . . . . . . . . . . . . . . . . . 15
3.10 Guide to system requirements. . . . . . . . . . . . . . 15
3.10.1 Water circulation system . . . . . . . . . . . . . . . . . . 15
3.10.2 Filling and preparing heating system. . . . . . . . 15
3.10.3 Pressure relief valve . . . . . . . . . . . . . . . . . . . . . . 15
3.10.4 Pressure gauge. . . . . . . . . . . . . . . . . . . . . . . . . . . 15
3.10.5 Expansion vessel . . . . . . . . . . . . . . . . . . . . . . . . . 15
3.11 Pump specifications . . . . . . . . . . . . . . . . . . . . . . 16
3.11.1 Circulating pump . . . . . . . . . . . . . . . . . . . . . . . . . 16
3.11.2 System bypass . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
3.11.3 Venting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
3.12 Condensate trap. . . . . . . . . . . . . . . . . . . . . . . . . . 16
4 Boiler installation sequence. . . . . . . . . . . . . 16
4.1 Required minimum distances/
assembly clearances . . . . . . . . . . . . . . . . . . . . . . 16
4.1.1 Select position of boiler . . . . . . . . . . . . . . . . . . . 17
4.1.2 Unpack the boiler. . . . . . . . . . . . . . . . . . . . . . . . . 17
4.1.3 Using assembly templates . . . . . . . . . . . . . . . . . 17
4.2 Cutting through the wall. . . . . . . . . . . . . . . . . . . 18
4.3 Installing appliance holder . . . . . . . . . . . . . . . . . 18
4.4 Installing flue system. . . . . . . . . . . . . . . . . . . . . . 18
4.5 Fitting the appliance . . . . . . . . . . . . . . . . . . . . . . 18
4.6 Removing the housing . . . . . . . . . . . . . . . . . . . . 18
4.7 General instructions for heating system . . . . . 18
4.8 Gas connection. . . . . . . . . . . . . . . . . . . . . . . . . . . 19
4.9 Cold water mains inlet and hot water outlet
(only 800 series) . . . . . . . . . . . . . . . . . . . . . . . . . 19
4.10 Heating connection . . . . . . . . . . . . . . . . . . . . . . 20
4.10.1 Heating flow and return connection. . . . . . . . . 20
4.10.2 Drain pipe on the pressure control valve
of the heating system . . . . . . . . . . . . . . . . . . . . . 21
4.11 Condensate drain pipe . . . . . . . . . . . . . . . . . . . . 22
4.12 Connecting the flue system to the boiler . . . . 22
4.13 Electrical connection. . . . . . . . . . . . . . . . . . . . . . 22
4.13.1 General requirements . . . . . . . . . . . . . . . . . . . . . 22
4.13.2 Connection to the main supply . . . . . . . . . . . . . 23
4.13.3 Electric board layout . . . . . . . . . . . . . . . . . . . . . . 24
4.13.4 Connection of programmable thermostats . . . 27
4.14 Controls (800 series) . . . . . . . . . . . . . . . . . . . . . 27
4.14.1 External electrical controls . . . . . . . . . . . . . . . . 27
4.14.2 Connection of external controls . . . . . . . . . . . . 27
4.14.3 Connection details for programmable
room thermostats . . . . . . . . . . . . . . . . . . . . . . . . 27
4.14.4 Connection of time switches . . . . . . . . . . . . . . . 28
4.14.5 Connection details for external time switches
and boiler terminal strip. . . . . . . . . . . . . . . . . . . 29
4.14.6 Vaillant optional plug in timer accessories . . . 29
4.15 Controls (600 series) . . . . . . . . . . . . . . . . . . . . . 29
4.15.1 External electrical controls . . . . . . . . . . . . . . . . 29
4.15.2 Connection of external electrical controls . . . 29
4.15.3 Connection details using an external
wiring centre. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
4.16 Thermostatic radiator valves. . . . . . . . . . . . . . . 29
4.17 Frost protection . . . . . . . . . . . . . . . . . . . . . . . . . . 29
4.18 Circulating pump . . . . . . . . . . . . . . . . . . . . . . . . . 29
4.19 Anticycling ‘economiser’ control. . . . . . . . . . . . 29
4.20 Automatic pump spin control (APS). . . . . . . . . 29
5 Commissioning Part I . . . . . . . . . . . . . . . . . . 32
5.1 Preliminary electrical checks. . . . . . . . . . . . . . . 32
5.2 Gas supply. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
5.3 Cold water supply (only 800 series). . . . . . . . . 32
5.4 Filling the heating system . . . . . . . . . . . . . . . . . 32
5.4.1 Checking the filling pressure
of the heating system . . . . . . . . . . . . . . . . . . . . . 32
5.4.2 ecoTEC plus filling device (800 series) . . . . . . 33
5.4.3 Filling the heating system in ecoTEC pro
and ecoTEC plus (600 series) . . . . . . . . . . . . . . 33
5.4.4 Filling the heating system for the first time . . 33
5.5 Rinsing the heating system for the first time
(“cold”). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
5.6 Filling the condensation water siphon . . . . . . . 34
5.7 Adjusting the pumping capacity . . . . . . . . . . . . 35
5.8 Adjusting the discharge valve . . . . . . . . . . . . . . 35
5.9 Checking the gas setting . . . . . . . . . . . . . . . . . . 35
5.9.1 Factory setting . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
5.9.2 Gas inlet working pressure. . . . . . . . . . . . . . . . . 35
5.9.3 Checking the gas rate . . . . . . . . . . . . . . . . . . . . . 36
5.10 Refitting the case. . . . . . . . . . . . . . . . . . . . . . . . . 36
5.11 Adjusting the central heating output
(range rating) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
5.12 Gas changeover . . . . . . . . . . . . . . . . . . . . . . . . . . 37
6 Functional checks (commissioning part II) . 37
6.1 Functional checks. . . . . . . . . . . . . . . . . . . . . . . . . 37
6.1.1 Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
6.1.2 Heating. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
6.1.3 Water heating (only 800 series) . . . . . . . . . . . . 38

Vaillant ecoTEC plus SERIES Specifications

General

Model	ecoTEC plus SERIES
Mounting	Wall-mounted
Fuel Type	Natural Gas / LPG
ErP Heating Efficiency Class	A
NOx Class	5
Category	Boiler
Type	Condensing
Efficiency	Up to 94%
ErP Water Heating Efficiency Class	A