Safety assembly to DIN 1988
Safety assembly, comprising:
■ Shut-off valve
■ Non-return valve and test connector
■ Pressure gauge connector
■ Diaphragm safety valve
For DHW cylinder:
■ Up to 200 litre capacity: DN 15/R ¾
Maximum heat input 75 kW
10 bar: Part no. 7219 722
■ From 300 to 1000 litre capacity: DN 20/R 1
Maximum heat input 150 kW
10 bar: Part no. 7180 662
4.2 Accessories for heating circuits
Divicon heating circuit distributor
Construction and function
■ Available with R ¾ , R 1 and R 1¼ connections.
■ With heating circuit pump, check valve, ball valves with integral ther-
mometers and 3-way mixer or without mixer.
■ Quick and simple installation through pre-assembled unit and com-
pact design.
■ Low radiation losses through all-round thermal insulation shells.
■ Low electricity costs and precise control characteristics through the
use of high efficiency pumps and optimised mixer curve.
■ Also available with staged pumps.
■ The bypass valve for hydraulic balancing of the heating system is
available as an accessory as a threaded component for inserting into
the prepared hole in the cast body.
■ The overflow valve may be required when using staged pumps to
prevent the heating system running noisily. It is mounted onto the
Divicon.
■ For direct connection on the boiler by means of a pipe assembly
(single installation) or for wall mounting as single as well as double
or triple manifold.
■ Also available as kit. For further details, see the Viessmann pricelist.
Installation accessories
(cont.)
VITOGAS
VIESMANN
35
5822 428 GB
4
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