Viessmann Vitopend 100-W - Page 55

55
Checking and cleaning the flue gas heat exchanger
Rated heating output 18 kW
D
E
4x
A
B
C
Rated heating output 18 kW
1. Drain the boiler on the heating
water side (see page 52).
Commissioning, inspection, maintenance
Further details regarding the individual steps
(cont.)
5837146
Service