Viessmann VITODENS 242-F Technical Manual page 38

Installation accessories
Note
Vitodens with primary store or solar cylinder also requires an AM1 or
EA1 extension for connection to the Vitotronic.
Connection set DHW expansion vessel
Part no. 7351 854
For installation in the Vitodens.
Max. operating pressure in the cold water supply line: 3 bar
DHW expansion vessel pre-charge pressure: 3 bar.
Capacity: 4 litres
Comprising:
■ Direct flow diaphragm expansion vessel, suitable for drinking water
■ Connecting cables
Safety assembly to DIN 1988
5
DN 15
Comprising:
■ Shut-off valve
■ Non-return valve and test connector
■ Pressure gauge (part no. 7219 722 and 7265 023)
or
Pressure gauge connector (part no. 7351 842 and 7351 840)
■ Diaphragm safety valve
For on-site installation on finished walls
■ 10 bar
Part no. 7219 722
■ a 6 bar
Part no. 7265 023
For installation on unfinished walls in conjunction with the con-
nection set
VIESMANN
38
(cont.)
■ 10 bar
■ a 6 bar
Valve/fittings cover
Part no. 7352 257
For connection set for installation on unfinished walls.
Not for use in conjunction with filling facility.
Filling facility with pipe separator
For fitting to the connection sets.
■ For installation on finished walls (not for downward connection on
■ For downward connection on unfinished and finished walls
Connection set for external heating water expansion vessel
Part no. 7301 709
Expansion vessel connection: R ½
Only possible with the Vitodens 333-F
Connection bend for condensate drain
Part no. 7301 709
Connection of the line from the Vitodens: DN 20
Waste water connection: DN 40
Neutralising system
Part no. 7252 666
With neutralising granulate
Part no. 7351 842
Part no. 7351 840
finished walls)
Part no. 7356 492
Part no. 7356 902
VITODENS