Pace MBT250 Calibration Modules

[educational]

Hi Everyone,

I would like to calibrate my Pace MTB250 85A Desoldering Station.

Would anyone have a diagram or information of the two modules ( C1 and C2 ) that is used to calibrate this unit. Looking at the picture of the two modules it looks like a male plug, PCB board and a resistor.

Any help in my request would be very much appreciated.

Thank you.

[sdim]

I'm also looking for a schematic for these modules.
It looks that the resistor connects two of the connector pins. If only I knew the resistor value, the power rating and the pins it would be perfect.

They are not available in my country. Buying the kit directly from pace it out of question, they charge 85AUD just for the shipping cost.