Oxygen sensor (WD200)
QG020 ver. 3
Oxygen sensor measures the amount of residual
oxygen from flue gas. The sensor is a ceramic
zirconium dioxide cell and self-testing.
Flame detector
QRI ver. 3
QRI
is a flame detector for use with gas,
oil and other flames that emit infrared light.
Flame signal intensity can be monitored on
display. Flame detector is equipped with self-
test function and is suitable for continuous
operation.
5.2 Control panel
The control panel illustration below is only an example. Check the exact
layout from electrical drawings.
WDx00
Control panel GP ver. 4
A100
Operating and display unit
S/H1
Control switch with pilot light
H8
Gas flame
H10
Boiler failure
H30
Burner failure
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M4248 2316EN