Safety Instructions And Regulations; Safety Instructions; Installing And Setting The Appliance; Smell Of Gas - Vaillant ecoMAX 646 Installation And Maintenance Manual

2 Safety instructions

2

Safety instructions and regulations

2.1 Safety instructions
2.1.1

Installing and setting the appliance

Important!
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 IS 813 ‚Domestic Gas Instal-
lations', the current Building Regulations and
reference should be made to the current ETCI
rules for electrical installation.
2.1.2

Smell of gas

If you smell gas, the following safety instructions should
be observed:
• don't switch on any electrical switch in the danger area,
• don't smoke in the danger area,
• don't use a telephone in the danger area,
• close the gas stop cock,
• ventilate the danger area,
• contact your gas supplier or National Grid Transco
0800 111999.
2.1.3

Changes to the surroundings of the boiler

No changes must be made to the following devices:
– the boiler
– the gas, air, water and electricity supply pipes
– the flue pipe
– the discharge pipe and the safety valve for the hot water
– the constructional conditions that could affect the
operational reliability of the device.
2.1.4

Important instructions for propane appliances

Should the appliance be connected to an LPG supply,
ensure that the tank has been correctly filled and purged
prior to installation to the emergency gas control valve.
Danger!
Only propane G31 may be used.
Important!
When tightening or slackening screwed connec-
tions always use suitable open-ended spanners
(not pipe wrenches or extensions etc.). Incor-
rect use and/or unsuitable tools can lead to
damage being caused (e.g. gas or water leakage)!
2.2

General requirements

2.2.1

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
installation instructions supplied with this boiler.
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2.2.2 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 relevant 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 cen-
tral heating systems. Institute of Gas Engineers
Publication "IGE/UP/7 Edition 2 Gas installation
in timber framed and light steel framed buildings"
BS. 5482 Pt. 1 Domestic butane and propane gas burn-
ing 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 mainte-
nance.
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 exceeding 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.
Installation and maintenance manual ecoMAX 646 / 0020020158_02