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3 General requirements
3 General requirements
3.1 Preliminary remarks for roomsealed appliances
This appliance should only be installed in conjunction
with either a Vaillant flue system or an alternative ap-
proved system (details of flue approval categories can be
found in the technical section of the installation manual).
Install the flue system as detailed in the separate flue in-
stallation instructions supplied with this boiler.
3.2 Related documents
The installation of the boiler must be in accordance with
the relevant requirements of Gas Safety (Installation and
Use) Regulations 1998, Health and Safety Document No.
635 (The Electricity at Work Regulations 1989), BS7671
(IEE Wiring Regulations) and the Water Supply (Water
Fitting) Regulations 1999, or The Water Bylaws 2000
(Scotland). It should also be in accordance with the rele-
vant requirements of the Local Authority, Build-ing
Regulations, The Building Regulations (Scotland). The
Building Regulations (Northern Ireland) and the relevant
recommendations of the following British Standards:
BS 6700: Services supplying water for domestic use
within buildings and their curtilages.
BS 6798: Specification for installation of gas fired boil-
ers not exceeding 60 kW input.
BS 6891: Specification for installation of low pressure
gas pipework up to 28 mm (R1) in domestic premises
(2nd family gas).
BS 7593: Treatment of water in domestic hot water
central heating systems. Institute of Gas Engineers
Publication IGE/UP/7/1998: "Guide for gas installations
in timber framed housing"
BS. 5482: Pt. 1 Domestic butane and propane gas bur-
ning installations.
IGE/UP1: Soundness testing and purging of industrial
and commercial gas installation.
IGE/UP2: Gas installation pipework, boosters and com-
pressors on industrial and commercial premises.
IGE/UP10: Installation of gas appliances in industrial
and commercial premises.
BS. 6644: Installation of gas fired hot water boilers of
rated inputs between 60 kW and 2 MW (2nd and 3rd
family gases).
BS. 5449: Forced circulation hot water central heating
systems for domestic premises. Note: only up to 45 kW.
BS. 6880: Low temperature hot water heating systems
of output greater than 45 kW.Part 1 Fundamental and
design considerations. Part 2 Selection of equipment.
Part 3 Installation, commissioning and maintenance.
BS. 4814: Specification for: Expansion vessels using
an internal diaphragm, for sealed hot water heating
systems.
BS. 5440: Installation and maintenance of flues and
ventilation for gas appliances of rated input not excee-
ding 70 kW net (1st, 2nd and 3rd family gases). Part 1
Specification for installation of flues.Part 2 Specification
for installation and main-tenance of ventilation for gas
appliances.
8
8
Attention!
The appliance must be installed and serviced by
a Competent Person as stated in the Gas Safety
(Installation and Use) Regulations 1998. In IE,
the installation must be in accordance with the
current edition of I.S.813 'Domestic Gas
Instal–lations', the current Building Regulations
and reference should be made to the current
ETCI rules for electrical installation.
Attention!
When tightening or loosening screwed connec-
tions always use suitable open–ended spanners
(not pipe wrench, or extensions, etc.).
Incorrect use and/or unsuitable tools can lead to
damage being caused (e.g. gas or water leakage)!
3.3 Contents included with boiler
Ensure that all contents are included before commen-
cing installation.
2
3
4
5
6
Fig. 3.1 Items supplied with unit
Do not remove the boiler from the polystyrene base at
this stage.
Item
Quantity
Description
1
1
Boiler
2
1
Hanging bracket
3
3
Installation and Servicing, Users and
Flue Installation Instructions
4
1
Installation and connection accessories
5
1
Guarantee Card
6
1
Template
7
4
Copper tails for gas and water pipework
8
3
Flow and return service valve, gas service
valve
9
1
Pressure relief valve
Table 3.1 Items supplied with unit
Instructions for installation and servicing ecoMAX
1
9
8
7
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