65-2330RKSS H
2
S Transmitter • 17
WARNING: The H
2
S sensor will not operate properly if the wire jumper is not removed.
6. Carefully plug the replacement sensor into the four-socket pattern that is located in the
detector housing.
7. Make sure the cap gasket is in place and screw the detector housing cap back onto the
detector housing body.
8. Turn on or plug in power to the controller.
9. Turn on the controller and place into normal operation.
CAUTION:
Allow the replacement sensor to warm up for 5 minutes
before you continue with
the next step.
10. Calibrate the transmitter as described in “Calibration” on page 20.
Replacing the H
2
S Detector
NOTE:
In most cases, it is only necessary to replace the plug-in H
2
S sensor.
1. Turn off the controller.
2. Turn off or unplug power to the controller.
3. Remove the junction box cover.
4. Remove the detector terminal strip from its socket.
5. Disconnect the detector leads from the detector terminal strip. Note the position of the
color-coded leads as you remove them.
6. Unscrew the detector from the junction box conduit hub.
7. Guide the detector leads of the replacement detector through the bottom conduit hub of the
junction box, then screw the mounting threads of the detector into the conduit hub. If
necessary for environmental conditions, apply thread sealant or Teflon tape to the hub and/
or detector threads to seal them.
8. Connect the detector leads to the appropriate detector terminal strip terminals. Connect the
red wire to the terminal labeled TOXIC + and the black wire to the terminal labeled
TOXIC -. See Figure 5 for the detector wiring connections to the amplifier.
Figure 6: Plug-In Sensor Jumper Removal
Remove jumper
