3
Regulations
PW/P/PR/PNR/PNRZ... – 6 720 806 550 (2013/09)
20
3
Regulations
Observe the following directives and standards:
• Local regulations
• Building regulations
Installation of, and equipment for, heating and water heating systems:
•
BS
and
BSEN
standards
–
BS EN 12828:
Heating systems in buildings - Design for water-
based heating systems
4
Transport
A sack truck or crane is required for transportation. Alternatively, the
cylinder can be transported using a pallet truck or forklift truck.
▶ Transport with a sack truck (
Fig. 3, page 84)
▶ Transport with a crane (
Fig. 4, page 84)
5
Fitting
5.1
Installation location
5.2
Installing the buffer cylinder
Fig. 5, page 84 and Fig. 6, page 85.
5.3
Hydraulic connection
For buffer cylinders with 80 mm thermal insulation, the thermal
insulation must be installed before the pipework.
For buffer cylinders with 120 mm thermal insulation, we recommend
installing the pipework before fitting the thermal insulation.
Observe the technical guide when establishing the hydraulic
connection.
To prevent damage to the buffer cylinder:
▶ Use installation material that is heat-resistant up to 95 °C.
▶ For solar connections, use installation material that is heat-resistant
up to 130 °C.
▶ Only use the buffer cylinder in sealed systems.
▶ Never use open expansion vessels.
▶ Install a drain valve on site at the lowest point of the lower
connection.
5.4
Installing temperature sensors
▶ Observe the technical guide when positioning the sensor.
▶ Apply heat conducting paste to the contact surfaces.
▶ Insert the temperature sensor into the spring clip so that the entire
length of the contact surface makes contact with the storage
cylinder.
▶ Mark the temperature sensor leads according to how the sensor is
being used; do this at the end of each lead.
▶ Route the sensor lead to the controller, ensuring it will be possible to
install the insulation.
▶ Establish the electrical connections for the sensor leads; observe the
controller installation instructions during this process.
DANGER:
Risk to life through falling load.
▶ Only use lifting ropes that are in perfect condition.
▶ Only insert hooks into the lifting eyes provided.
WARNING:
Risk of injury through carrying heavy loads
and inadequately securing loads for transport.
▶ Use suitable means of transportation, e.g. a sack
truck with strap.
▶ Secure the buffer cylinder to prevent it falling.
NOTICE:
Risk of material damage from frost and
corrosion.
▶ Site the buffer cylinder in a dry, frost-free room.
DANGER:
Risk of fire from soldering and welding.
▶ As far as possible, carry out any soldering and
welding work before installing the thermal insulation.
▶ Take appropriate protective measures when
soldering and welding as the thermal insulation is
combustible (for example, cover the thermal
insulation).
▶ Check the integrity of the thermal insulation after
completing work.
NOTICE:
Water damage from leaking connections.
▶ Fit all connection lines free from stress.
We recommend using screw fittings with shut-off valves
to connect lines to the cylinder.