9
Danger
There is a risk of injury when working on pres-
surised components.
Only open the connections on the heating water
side after the boiler has been depressurised.
Only drain the boiler with a suction pump when
the air vent valve is open.
Opening the boiler door
4x
Fig. 1
Commissioning, inspection, maintenance
Shutting down the system
5692820
Summary of Contents for VITORADIAL 300-T Type VR3
Page 38: ...38 5692820...
Page 39: ...39 5692820...