Checking The Function Of The Safety Equipment; Checking The Expansion Vessel And System Pressure - Viessmann Vitoplex 100 Service Instructions For Contractors

Commissioning, inspection, maintenance
Securing the boiler door and cleaning cover
A
4x
Fig. 5
Tighten screws A crosswise (torque 25 Nm).
Danger
Leaks can result in a risk of poisoning through
escaping gas.
Check gaskets carefully.
Checking connections and sensor well on the heating water side for tight-
ness

Checking the function of the safety equipment

Check the safety valves, water level and pressure lim-
iter in accordance with manufacturer's instructions.

Checking the expansion vessel and system pressure

Expansion vessel manufacturer's documentation
10
(cont.)
Note
Carry out this test on a cold system.