Unit installation

54
E
Gas train
F
Gas supply pipe
G
Gas shut-off valve
H
Burner gauze assembly
I
Ignition electrodes
K
Ionisation electrode
L
Thermal insulation block
M
Burner control unit
N
Ignition unit
P
Suppressor choke box
Q
Inlet adaptor for balanced flue oper-
ation (for 115, 142 and 186 kW)
R
Venturi mixing pipe
Not shown: Choke valve for 142 and 186
kW and rotary valve damper for 246 and
311 kW.
Component overview
Component overview
(cont.)
5692 907 GB