Ignition thermo-time switch

You are mixing items:

The thermo-time switch is a gizmo used (on all version F models with CIS) to briefly connect and then disconnect the cold start injector(s) during starter motor cranking at cold start-up.

The water thermoswitch (used on US version models) is the switch that "tells" the Digiplex ECUs (and injection ECU, if present) to be in cold-running mode or warm-running mode.

See page D5 in the Mondial 8/QV WSM 281/83 for the note about the timing being retarded 5 deg when cold on the US models. The water thermoswitch is item 12 on page D1.

(Although it looks to me like they mangled the y-axis labeling of the Fig 6 graph on the left hand side of D5 and 0 degrees should be where -5 deg is shown -- i.e., the graph shows the cold-running values with the -5 deg added. The Fig 6/1 graph on the right hand side of D5 looks correct for hot-running.)

 

On a US version Mondial 8, the water thermoswitch (115477) is mounted in the bottom of the coolant expansion tank -- item 60 here:
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This water thermoswitch's logic (IIRC) is: cold = open, warm = closed (on other later models, this is reversed).

(Please clarify year/version/model you are dealing with -- "Mondial" doesn't match what's in your profile.)