Unplug and remove the co sensor – RKI Instruments Pioneer 4W User Manual
Page 122
Pioneer Operator’s Manual
CO Transmitter • 19
Replacing the sensor
1.
Place the Pioneer’s power switch in the OFF position.
2.
Unscrew the bottom section of the CO detector housing from the top section.
3.
Unplug and remove the CO sensor.
4.
Carefully plug the replacement sensor into the socket pattern that is located in the top
section of the detector housing.
NOTE:
Match the sensor’s male pins with the four female sockets as you plug the sensor
into the socket.
5.
Screw the bottom section of the detector housing into the top section.
6.
Place the Pioneer’s power switch in the ON position.
7.
Calibrate the replacement sensor as described in the Calibration section of this insert.
Replacing the amplifier
1.
Place the Pioneer’s power switch in the OFF position.
2.
Remove the junction box cover.
3.
Disconnect the detector leads from the detector terminal strip.
4.
Unscrew and remove the two screws that secure the amplifier to the junction box.
The screws are at the top right and bottom left of the amplifier.
5.
Remove the amplifier.
6.
Place the new amplifier in the same position as the amplifier you removed in step 5.
7.
Use the two screws you removed in step 4 to secure the amplifier to the junction box.
8.
Verify that the jumper block is installed over the TOXIC selector of the amplifier type
selector as shown in Figure 3, Wiring the CO Transmitter to the Pioneer Gas Monitor.
9.
Reconnect the wiring from the Pioneer to the interconnect terminal strip as shown in
Table 3 and Figure 3, Wiring the CO Transmitter to the Pioneer Gas Monitor.
10. Reconnect the detector leads to the detector terminal strip as shown in Table 4 and
Figure 3, Wiring the CO Transmitter to the Pioneer Gas Monitor.
Table 3: Reconnecting the CO Amplifier to the Pioneer Gas Monitor
Amplifier
Interconnect Terminal Strip
Pioneer Analyzer Card
4/20 FB
4-20 (Terminal 5)
24V +
24 V (Terminal 6)
Table 4: Reconnecting the CO Detector to the Amplifier
CO Detector Lead
Amplifier
Interconnect Terminal Strip
Black
TOXIC BK
Red
TOXIC RD