Signal Connections; Heater Power Connections; Pneumatic Installation; Reference Air Set Option (Only) - Emerson Rosemount OCX 8800 Reference Manual

Install
K.
L.
M.
N.
O.
P.
Q.
R.
S.
T.
Note
For RFI/CE compliance, the connector must provide 360 degrees of electrical contact to the cable shield.
2.3.9

Signal connections

Connect the electronics housing terminals to the corresponding terminals in the sensor
housing.
The twisted wire pairs are numbered on the inner plastic wrapper. Keep twisted pairs
together and match the numbers and wire colors shown in
2.3.10

Heater power connections

Use the blue, white, orange, black, red, and yellow stranded wires in the heater power
cable to connect power to the three heaters in the sensor housing.
Match the wire colors to the corresponding heater power terminal blocks in the sensor and
electronics housings as shown in
2.4

Pneumatic installation

2.4.1

Reference air set option (only)

When no options or only the reference air set option is equipped, use the following
procedure to install the pneumatic system components.
1.
32
Heat shrink tubing 2 ft long, 1/2 in. size
3/4 NPT hub size, liquid-tight strain relief connectors
Heat shrink tubing 2 ft long, 1/2 in. size
Ferrule, uninsulated
Stud size #6
Green, 16 AWG
8 conductors, 16 AWG, stranded, 200 °C (392 °F), 600 volts braided shield - tinned copper, 90%
coverage with 18 AWG tinned copper, uninsulated, drain wire
4.25 ft long Teflon tubing 0.042 in. ID (Cut off drain wire at probe end of shield).
Stud size #10
Strip wire ends 3/16 in. typical
Refer to Figure 2-7. Connect the reference air set (regulator/filter and pressure
gauge) to the instrument air inlet on the electronics housing and to the inlet side of
the dilution air flow meter.
Figure 2-5.
Figure 2-5.
OCX 8800