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INTRODUCTION
- The Health and Safety at Work Act, Control of Substances
Hazardous to Health (COSHH).
- Any electrical work must conform to BS7671 and part P of the
building regulations where applicable.
Where no specifi c instructions are given, reference should be
made to the relevant British Standard Code of Practice.
In IE, the installation must be carried out by a competent person
approved at the time by the Health and Safety Executive and
installed in accordance with the current edition of I.S.813
"Domestic Gas Installations", the current Building Regulations
and reference should be made to the current ETCI rules for
Electrical Installation.
GB: the following Codes of Practice apply: BS4814, BS6798,
BS5440 Part 1 and 2, BS5546 Part 1, BS5449, BS6891, BS6700,
BS7074 Part 1 and 2, BS7593, BS7671.
IE: I.S.813, BS5546, BS 5449, BS 7074, BS 7593.
NOTE: For further information, see the current issue of the
Building Regulations, approved document L1 ( in the UK) and the
following current issues of:
1) Central heating system specifi cation (CheSS) and
2) Controls for domestic central heating system and hot water.
BRECSU.
Benchmark places responsibilities on both manufacturers
and installers. The purpose is to ensure that customers are
provided with the correct equipment for their needs, that it is
installed, commissioned and serviced in accordance with the
manufacturer's instructions by a competent person approved at
the time by the Health and Safety Executive and that it meets the
requirements of the appropriate Building Regulations.
The Benchmark Checklist can be used to demonstrate compliance
with Building Regulations and should be provided to the
customer for future reference.
Installers are required to carry out installation, commissioning
and servicing work in accordance with the Benchmark Code
of Practice which is available from the Heating and Hotwater
Industry Council who manage and promote the Scheme.
Visit www.centralheating.co.uk for more information.
2.3.2
Domestic Hot Water
All domestic hot water circuits, connections, fi ttings must be
in accordance with the relevant standards and water supply
regulations.
2.3.3
Electrical Supply
The control unit MUST be earthed. All system components shall
be of an approved type and all wiring to current I.E.E. wiring
regulations. External wiring must be correctly earthed, polarised
and in accordance with the relevant standards.
EN
In GB, this is BS 7671.
In IE, this is the current edition of ETCI rules.
The control unit MUST be connected to a permanent 230V ac,
50Hz supply.
- 4 -
2.4
CE label
The CE mark indicates that the products described in these
instructions are in compliance with the following directives:
- European Directive Num. 2004-108 of the European Parliament
and the Council regarding electromagnetic compatibility
- European Directive Num. 2006-95 of the European Parliament
and the Council regarding low voltage.
3
Description of the product
3.1
Product Overview
The control unit provides a system solution which permits eBUS
controllers to be combined with room thermostats, valves,
multizone heating and domestic hot water cylinder systems.
There are 2 functional modes that can be selected with the rotary
switch :
- Multizone mode (position 0) with VR66 functions.
- Monozone mode (position 1) with VR65 functions.
1
ON
OFF
DHW
DHW
230V~
CYL.
CH1
CH2
2
1
Legend
1
Rotary switch
BUS
NTC
+
-
2
1
0020140122_02 - 05/13
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