Rosemount OCX 8800, Instruction Manual

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Instruction Manual
IM-106-880, Rev 2.1
April 2017
OCX 8800
9-25
HTR 02
8. Install and fasten thermocouple (8, Figure 9-17).
9. Position band heater as shown in Figure 9-19 and Figure 9-20 and
tighten band heater clamp screw. The heater insulator (9) end joint must
line up with the band gap of the COe band heater (10).
10. Reconnect the COe sensor, thermocouple, and heater wires at the
sensor housing terminal blocks. Refer to Figure 9-21.
11. Install and fasten the COe insulator (1, Figure 9-17) around COe sensor
assembly (5). All wiring must remain outside of the insulator.
12. If terminal block mounting (13, Figure 9-17) was moved, reinstall with
two base mounting screws.
Figure 9-21. COe Sensor,
Thermocouple, and Heater
Connections
-
O2
T/C O2
+
RED
-
YEL
T/C CO
+
-
CJC Sensor
T/C SB
+
- EXC
NOTE: All wires
at these terminals
are in the CJC
current loop.
-
CJC
+
COe Sensor
Assembly
2
HTR 02
1
-
2
HTR CO
1
CO REF
+
-
2
HTR SB
1
CO ACT
+
+ EXC
COe Heater Wires
COe Sensor Wires
COe Thermocouple Wires
S
e
nsor
H
o
us
in
g
T
e
rm
in
a
ls
RE
D
W
HT
BL
U
RE
D
BL
U
RE
D
W
HT
3
7
3
9
0
0
1
8