Filling The Siphon And Neutralising System (Accessories) With Water; Checking Connections On The Heating Water And Dhw Sides And The Sensor Well For Leaks; Checking The Function Of The Safety Equipment; Checking The Expansion Vessel And System Pressure - Viessmann Vitorondens 200-T Service Instructions Manual

Commissioning, inspection, maintenance

Filling the siphon and neutralising system (accessories) with water

Fig.11
Pull the supply hose (to the siphon) from the boiler
condensate drain and fill with a little water.
Checking connections on the heating water and DHW sides and the sensor well
for leaks

Checking the function of the safety equipment

Checking the expansion vessel and system pressure

Fig.12
Pressure gauge
A
Note
Please observe expansion vessel manufacturer's
instructions.
Carry out this test on a cold system.
14
1. Drain the system until the pressure gauge indicates
"0" or close the cap valve on the expansion vessel
and reduce the pressure in the expansion vessel.