O
2
module
PLL52...
Analog inlet, oxygen sensor
QGO21.000D27
Analog inlet, combustion temperature
Pt1000 / LG-Ni 1000
Analog inlet, flue gas temperature
Pt1000 / LG-Ni 1000
Analog inlet, bus interface
CAN
Protection degree
NEMA 3
Permissible ambient temperature
-4..+140 °F
Protect the equipment from condensation, ice, and water ingress.
2.7 Oxygen sensor technical data (WD200)
Oxygen sensor
QGO20...
Measuring cell
ceramic zirconium dioxide cell
Mains voltage, measuring cell heating
110 VAC -15/+10 %
Power consumption
max. 90 W, typically 45 W (controlled)
Measuring cell temperature
1292 °F ±122 °F
Measuring range
0.2…20.9 % O2
Flue gas velocity
3.28...32.81 ft/s
Protection degree
NEMA 2
Max. temperature, flange
+482 °F
Max. temperature, connecting head
+158 °F
Max. temperature, flue gas
+572 °F
Protect the equipment from condensation, ice, and water ingress.
2.8 Flame detector technical data
Flame detector values and connections depend on burner control
system.
QRI
Operation type
continuous
Supply voltage, operation
14 VDC ±5%
Supply voltage, testing
21 VDC ±5%
Signal voltage
0–5 VDC
Power consumption
< 0.5 W
Connected detector cable max. length
5.9 ft
16 (114)
M4248 2316EN
