Emerson OCX 8800 instruction manual 19. O2 Cell Thermocouple, Heater Connections

Instruction Manual

IM-106-880, Rev 1.0 January 2007

Figure 7-19. O2 Cell,

Thermocouple, and

Heater Connections

OCX 8800

O2 Cell Wires
O2 Heater Wires		Wire
Thermocouple Wires		Return
+	+

+

+ O2

-

Sensor Housing Terminals

2

HTR 02

1

2

HTR CO

1

2

HTR SB

1

ORG

GRN

RED

YEL

-
T/C O2
+	+	+
-
T/C CO
+	O2 Cell and Heater Strut
-		Assembly
T/C SB
+
	Sample
-	Block	Sample Block
	EXC Thermo-	Heater Rods
-	couple
CJC
+
-
CO REF		Thermal
+
		Switch
-
CO ACT
+
+ EXC		37390069

2.If thermal switch (15) was removed, install thermal switch on mating heater clamp (12), connect wires of heater rods (13), and install insulator (14).

3.Install the heater rods (13), heater clamps (12), and screws (11).

4.Reconnect the heater rod leads at the sensor housing terminal blocks, (Figure 7-19).

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