Detcon CX-IR - Manual (Page 31)

Model CX-IR
1. Disconnect the sensor wire connections from the terminal board, taking note of the wire connections.
2. Use a wrench at the top section of the ITM and unthread the ITM until it can be removed.
3. Use a
1
/
8
" Allen wrench to release the locking cap head screw that locks the ITM and splashguard
adapter assembly together.
NOTE One turn of the setscrew will suffice - Do not remove setscrew completely.
4. Unthread and remove the splashguard adapter assembly and splash guard from the ITM. These will be
re-used with the new ITM.
5. Gently remove the plug-in toxic gas sensor from the old ITM and install it in the new ITM. Orient the
plug-in sensor so it matches the female connector pins on the new ITM and press the sensor in firmly
to make proper connection.
6. Thread the splashguard adapter assembly onto the new ITM until snug, tighten the locking cap head
screw and reinstall splash guard.
7. Feed the sensor assembly wires through the 3 /
4
" female NPT port and thread the assembly into the J-
box until tight and the ITM faces toward the front access point. Use the locking nut to secure the ITM
in this position.
8. Re-connect the sensor assembly wires to the terminal board inside the junction box.
9. Check and/or perform Zero Calibration and Span Calibration in accordance with Section 3.3.
CX-IR Instruction Manual Rev. 1.2 Page 27 of 34