Checking The Boiler Block For Leaks - Viessmann VITOROND 200 Installation Instructions Manual

Checking the boiler block for leaks

R 3/4
2.
Fig. 14
Sensor well
A
Dummy plug
B
Carry out water pressure test in accordance with
TRD 702.
Test pressure: 9 bar (0.9 MPa)
Note
No pressure, control or safety equipment must be fitted
during the water pressure and tightness tests.
Test the pressure with a pressure gauge class 1.0.
A B
R 3/8
R 3/8
C
1.
4.
D
3.
2x
Manual air vent valve, on site
C
Blank flange, on site
D
17