Monday, 1 April 2013

Azure Dynamics Water Heater - Reverse Engineering

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I worked out that the water heaters that were used in the Transit Connect van happen to be the same Mitsubishi unit that are used in the i-MiEV.

The unit is labelled Mitsubishi CKA411A001

Below are the schematics and photos of both.
There are 4 x PTC heaters controlled by 4 x input connections. Presumably these are 12 volt.

There are also 2 temp. sensors. One on the water input and one on the output of the heater block.

This may all be academic as the heater unit weighs a ton and I want something lighter like these MES units from Metric Mind

Azure Dynamics

The Heater
Below are various internal photos


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