Aaron’s piHouse Monitor part 2

In March I posted about using my Raspberry Pi to monitor my furnace and the temperature of my apartment.  I moved over the summer and the new apartment does not have the same type of heating that the last apartment did. So I had to make some changes.

The Pi now interfaces with a Rinnai heater, which was slightly more complicated than the furnace thermostat.

Here are some highlights, you can find the whole story here.

The new heater, a Rinnai  Energy Saver-551F
The new heater, a Rinnai Energy Saver-551F
rinnai_block_diagram
The Wiring Diagram and the Block diagram are on the inside of the front cover
Photo of “MICRO COMPUTER PCB” with relays circled
Photo of “MICRO COMPUTER PCB” with relays circled
Assembling the whole thing
Assembling the whole thing

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