Bacharach INSIGHT CO Sensor Replacement, Thermocouple Replacement, Tools Required, Procedure

Fyrite® INSIGHT

6.4 CO Sensor Replacement

Material Required:

• CO Sensor (P/N 24-7265)or B-Smart sensor (P/N 24-1467)

O2CO

Sensor Sensor

Pry tab upward

to remove the battery door

from the unit.

Fyrite® Rear Panel Fig. 6.6

Fyrite® INSIGHT

6.5 Thermocouple Replacement

Using the appropriate thermocouple replacement kit listed below, replace the probe’s thermocouple as follows:

Each kit contains a thermocouple assembly, two O-rings, and two wire- splice connectors.

Tools Required:

•Small flat blade screwdriver

•Wire cutter

•Wire stripper

•Slip joint pliers

Procedure:

1.Gain access to the thermocouple connections by first removing three screws from probe handle, and then separating the two handle pieces.

2.Cut wires attached to old crimp connectors, leaving behind as much of the probe’s thermocouple-connector wire as possible

Probe Handle

Screws

Procedure:

1.After battery door is removed, remove the connector tubing from the CO sensor.

2.Remove CO cap by twisting counter clockwise. Gently pull CO sensor out of its socket.

3.Properly dispose of the old CO sen- sor.

CO Cap

Sensor

Printed Circuit Board

Fig. 6.8

4.Plug the new CO sensor into its socket.

5.Install the CO cap by aligning the arrow on the cap with the "OPEN" marker, then twisting to the "CLOSED" marker. Reattach tub- ing.

OPEN

CLOSED

Fig. 6.7

3.Pull old thermocouple from probe body and discard.

4.The new thermocouple has been coiled for shipping purposes. Straighten the thermocouple using your thumb and index finger.

5.If not already done, install supplied O-Rings onto thermocouple.

6.Insert thermocouple into probe body until it “bottoms out.”

48 Instruction 24-9460 Instruction 24-9460 49