Emerson OCX 8800 Instruction Manual page 78

OCX 8800
Figure 7-5. COe Sensor,
Thermocouple, and Heater
Connections
7-8
2. Loosen screws (11, Figure 7-3) and rotate heater clamps (12) to release
heater rods (13). One heater clamp secures each heater rod.
3. Slide sample block heater rods (13) out of housing (8).
4. To replace thermal switch (15), remove insulator (14). Disconnect
heater wires. Unscrew and remove thermal switch.
Remove COe Sensor Assembly
1. Disconnect COe heater, thermocouple, and sensor wires from terminal
blocks. Refer to Figure 7-5.
2. Remove insulator (1, Figure 7-6).
+
O2
-
CJC Sensor
2
HTR 02
1
2
HTR CO HTR 02
1
2
HTR SB
1
-
T/C O2
+
RED
-
T/C CO
YEL
+
-
T/C SB
+
- EXC
-
CJC
+
-
CO REF
+
-
CO ACT
+
+
EXC
COe Heater Wires
COe Sensor Wires
COe Thermocouple Wires
Instruction Manual
IM-106-880, Rev 1.0
January 2007
NOTE: All wires
at these terminals
are in the CJC
current loop.
COe Sensor
Assembly