Emerson OCX 8800 Remove COe Sensor Assembly, COe Sensor Thermocouple, and Heater Connections

OCX 8800

Instruction Manual

IM-106-880, Rev 1.0

January 2007

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).

Figure 7-5. COe Sensor,

Thermocouple, and Heater

Connections

	+
	O2
TerminalsHousingSensor	-
	CJC Sensor

2

HTR 02

1

2

HTR CO

1

2

HTR SB

1

	-
	T/C O2
	+
RED	-
YEL	T/C CO
	+
	-
	T/C SB
	+
BLU	-EXC
	-
	CJC
RED	+
BLU	-
WHT
	CO REF
WHT	+
	-
RED
	CO ACT
RED	+
	+ EXC

COe Heater Wires

COe Sensor Wires

COe Thermocouple Wires

NOTE: All wires at these terminals are in the CJC current loop.

COe Sensor

Assembly

37390018

7-8