Safety Connections And Testing For Leaks; Dhw Connections - Viessmann VITOROND 100 Installation Instructions Manual

Safety connections and testing for leaks

Installation instructions
safety equipment block
Install the safety lines.
Minimum cross−sections
H Safety valve
Inlet connection
58 kW
. . . . . . . . . . . . . . . . . . . . . . . . . .
72 to 146 kW
Blow−off line
58 kW
. . . . . . . . . . . . . . . . . . . . . . . . . .
72 to 146 kW
H Line to the diaphragm
expansion vessel
Permiss. operating pressure
Test pressure
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

DHW connections

DHW cylinder installation instructions
DN 15 (R ½")
DN 20 (R ¾")
. . . . . . . . . . . .
DN 20 (R ¾")
DN 25 (R 1")
. . . . . . . . . . . .
DN 20 (R ¾")
. . . . . . .
4 bar
. . . . .
5.2 bar
Low water indicator
Tests have verified that the
requirements to EN 12828 have been
met.
This makes an additional low water
indicator unnecessary.
Note
Equip boilers with a safety valve that
is type−tested and meets the
requirements of TRD 721 or local
regulations. Safety valves must be
marked subject to the respective
system version.
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