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Instruction Manual
IM-106-880C, OI
September 2009
9-27
Hazardous Area OCX 8800
Install Sample Block Heater Rods
1. Before installing sample block heater rods (13, Figure 9-22), evenly coat
the heater rods with Watlube heater release agent.
2. Install the heater rods (13), heater clamps (12), and screws (11).
3. Reconnect the heater rod leads at the sensor housing terminal blocks,
(Figure 9-23).
Figure 9-23. O
2
Cell,
Thermocouple, and
Heater Connections
+ +
+
+
O2
Thermocouple Wires
ORG
RED
T/C O2
T/C CO
T/C SB
EXC
CJC
O CellWires
2
O HeaterWires
2
Return Wire
O Cell and Heater Strut
Assembly
2
CO REF
CO ACT
Sensor HousingTerminals
+
-
HTR 02
HTR SB
2
GRN
2
1
+
-
+
-
+
-
+
-
+
-
+
YEL
-
+
+
37390069
HTR 02
2
1
Sample Block
Heater Rods
Thermal
Switch
HTR CO
1
EXC
-
Sample
Block
Thermo-
couple