Bosch WTD 12-4 AME 23 - Heat Exchanger

Page 15 from 43 6 720 887 547 “SM FP_ErP MPP Europe 2018/08 en”
Pict.16 – Gas valve / burner scheme for MPP
Pict.17 – Schematic view of 3 power levels
4.6 Heat Exchanger
The copper heat exchanger has a special configuration to ensures sealed combustion and
optimized heat transfer from the flame heat to the water that flows through the copper
pipes.
SV1
SV
SV2
MV1
Burner
segment 1
Burner
segment 2