9�1 Fitting The Pyrolyzer Module - Honeywell Midas User Manual

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.
cover
chassis
sample inlet port
sample outlet port
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).
thumbscrew
retaining screws (2)
mounting bracket
Midas
Diagram 9-5. Removing the chassis.
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.
9-4
Gas Detector
®
mounting bracket