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Dimensions and
surface load
Height when tilted
mm
Total weight
kg
when filled
Weight load
kg
per foot
Table 34 BST specification
Solar indirect coil
2
Surface area
m
Contents
l
Table 35 BST specification
3
Regulations
Equip and install the buffer cylinders in accordance with
standards and guidelines as applicable in your country.
Technical rules for the installation of buffer cylinders
(selection) in the United Kingdom:
UK and IE
Electrical connection
Current IEE wiring regulations.
Connection of solar thermal heating systems
• EN 12976: Thermal solar systems and components.
• ENV 12977: Thermal solar systems and their
components (custom built systems).
Installation and equipment of cylinders
EN 15316: Heating systems in buildings.
•
Method for calculation of system energy requirements
and system efficiencies.
• BS5546:2000 Specification for installation of hot
water supplies for domestic purposes, using gas fired
appliances of rated input not exceending 70kW.
• BS6700:1997 Specification for design, installation,
testing and maintenance, of servicing supplying water
for domestic use within buildings and their curtilages.
• Part G Approved Document G - Hygiene
BST
BST
BST
500
750
1000
1780
1790
2250
655
933
1215
219
311
405
BST
BST
500
750
BST 1000
2.0
2.2
2.7
17
18
23
Different or supplementary regulations (e.g.
mains connection requirements) may apply
subject to the installation location
(e.g. in different countries or regions).
B Observe all applicable country-specific or
regional regulations, guidelines and
standards (e.g. those of the power supply
utility) when installing and operating the
buffer cylinder and immersion heater.
4
Transport
DANGER: Risk to life through falling load!
B Only use lifting ropes that are in good
working condition.
B Only hook lifting equipment into the
lifting points provided.
WARNING: Risk of injury through carrying
heavy loads and inadequately securing
loads for transport.
B Use suitable means of transportation,
e.g. a sack truck with strap.
B Secure the buffer cylinder to prevent it
falling.
B Transportation with a sack truck (
B Transportation with a crane (
5
Installation
5.1
Siting
5.1.1 Installation room
NOTE: Risk of material damage from frost
and corrosion.
B Site the buffer cylinder in a dry, frost-free
room.
B Only use the buffer cylinder in sealed
systems.
B Never use in combination open vented
expansion header tanks.
5.1.2 Installing the buffer cylinder
Fig. 7, page 53 and Fig. 8, page 53.
5.2
Hydraulic connection
For buffer cylinders with 80 mm thermal insulation, the
pipework must be installed after the thermal insulation.
For buffer cylinders with 120 mm thermal insulation, we
recommend installing the pipework before fitting the
insulation.
Regulations | 29
Fig. 5, page 52)
Fig. 6, page 52)
6 720 800 379 (2011/03)
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