Connections On The Heating Water Side; Making The Safety Connection - Viessmann Vitorond 200 Series Installation Instructions Manual

Connections on the heating water side

≥400
KV
KR
E
Fig. 16
E Drain, R 1
KR Boiler return, DN 65
KV Boiler flow, DN 65
Note
Install all pipe connections free of load and torque
stress.

Making the safety connection

Installation instructions, safety equipment block
and connection set
Installing safety lines
Safety connection
Permiss. operating pressure
Test pressure
Low water indicator
The boilers must be equipped with a low water indica-
tor.
Safety valve
Equip boilers with a safety valve that is type-tested to
TRD 721 [or local regulations] and is marked accord-
ing to the system version.
20
Drain & fill valve (on site)
A
Boiler return gasket Ø 59 x 118 x 3 mm
B
Note
Install all pipe connections free of load and torque
stress.
!
DN 40
6 bar (0.6 MPa)
9 bar (0.9 MPa)
Please note
Unsuitable water quality can damage the boiler
body.
Only fill the boiler with water that complies with
the "Water quality requirements" (see service
instructions).