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Electronic card for solar regulation of Heliofrance solar water heaters.
On balloons before 2024, the electronic card is located in a small plastic box at the top right of the balloon.
Today is map version 3.1.5 which replaces all of the following maps:
- 2.9 -> CESI BFP
- 3.0 -> CESI AV with old generation flow meter
- 3.1 -> CESI AV with new flow meter (only concerns CESI ordered since November 2022).
Installation precaution
To replace the electronic card:
1/ Open the plastic regulator box.
2/ Installation disconnected from the mains, take a photo of the electrical connections then disconnect them.
3/ Remove the tab that connects the screen to the card by passing your fingernail behind the brown locking tab then pull. Be careful, the tab is fragile.
4/ Repeat these 3 operations in reverse to install the new card then reconnect the regulator to the mains.
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