Honeywell Midas

Midas
®
Gas Detector
9-4
9.1 Fitting the Pyrolyzer Module
1. Disconnect power to the detector.
2. Unscrew the thumbscrew on the front panel.
3. Remove the cover by pulling it forward off the
chassis, as illustrated in Diagram 9-4.
Diagram 9-4. Removing the Midas cover.
mounting bracket
chassis
retaining screws (2)
sample inlet port
sample outlet port
cover
thumbscrew
4. Unscrew the two retaining screws located at
the bottom front of the chassis.
5. Pull the chassis forward to disconnect it from
the mounting bracket assembly (see Diagram
9-5).
Diagram 9-5. Removing the chassis.
mounting bracket
chassis
6. Thread the connector and wire harness from
the pyrolyzer through the rectangular access
in the bottom of the mounting bracket.
7. Secure the wires with a retention clip (if
available).
8. Plug the connector into the socket (con5) at
the bottom left of the terminal board.
9. Align the fitting at the top rear of the pyrolyzer
with the sample and inlet ports at the bottom
of the mounting bracket.