Rear And Side View Of Hdg Euro 30/40/45/50 - HDG Euro 30 Operation Manual

R
EAR AND SIDE VIEW OF
Figure 3/3 - Rear and side view of HDG Euro 30/40/45/50
1 Flue gas temperature sensor
2 STL release button
3 Lambda sensor
4 EM4 expansion module (optional)
5 Central module
6 Flue pipe connection 180 mm
7 Flue gas fan
8 Return connection (DN 32 inside thread)
9 Filling/draining connection (DN 15 IG)
10 Fly ash door
11 Ignition fan (only in connection with HDG automatic ignition)
12 Differential pressure switch (only in connection with HDG
automatic ignition)
13 Supply connection (DN 32 inside thread)
14 Immersion sleeve cover cap for flow/return and STL sensors
15 Safety heat exchanger outlet (DN 20, inside thread)
16 Safety heat exchanger inlet (DN 20, inside thread)
17 Connection of immersion sleeve for thermal safety device (DN 15
inside thread)
3 Mode of operation – Overview
HDG E 30/40/45/50
URO
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