Emerson OCX 8800 Instruction Manual page 93

Instruction Manual
IM-106-880, Rev 1.0
January 2007
Figure 7-19. O Cell,
2
Thermocouple, and
Heater Connections
+
ORG
O2
-
GRN
2
HTR 02
1
2
HTR CO HTR 02
1
2
HTR SB
1
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).
O Cell Wires
2
O Heater Wires
2
Thermocouple Wires
-
RED
T/C O2
+
YEL
-
T/C CO
+
-
T/C SB
+
Sample
Block
-
EXC
Thermo-
couple
-
CJC
+
-
CO REF
+
-
CO ACT
+
+
EXC
OCX 8800
+ +
+
+ +
O Cell and Heater Strut
2
Assembly
Sample Block
Heater Rods
Thermal
Switch
7-23