Fitting The Boiler Door; Checking The Function Of The Safety Equipment; Checking The Function Of The Pressure Switch - Viessmann Vitoradial 300-T Service Instructions Manual

Commissioning, inspection, maintenance

Fitting the boiler door

A
4x
Fig. 4
Close the door: Tighten screws crosswise to
A
25 Nm.
Danger
Escaping gas leads to a risk of explosion.
Check the boiler door for tightness.
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 limiter and pres-
sure limiters in accordance with manufacturer's instruc-
tions.

Checking the function of the pressure switch

Installation instructions in the "pressure switch
set"
14
Note
The boiler must be operated only with a correctly con-
nected and adjusted pressure switch.