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Hamilton G5 Ventilation Unit Motherboard Replacement

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For more information on replacing the motherboard, please refer to section 10 in the service manual.

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  1. Hamilton G5 Ventilation Unit Motherboard Replacement, Rail: crwdns2935265:01crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Remove 4 Hex Allen screws (A) from the Rail surrounding the Ventilation Unit.

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  2. Hamilton G5 Ventilation Unit Motherboard Replacement: crwdns2935265:02crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Remove the Rail (B).

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  3. Hamilton G5 Ventilation Unit Motherboard Replacement: crwdns2935265:03crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • The Standoff Brackets (C) remain with the Main Cover.

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    • Place aside in a safe location.

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  5. Hamilton G5 Ventilation Unit Motherboard Replacement, Main Cover: crwdns2935265:05crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Lift the Main Cover (A) from the Ventilation Unit using the Standoff Brackets (B) attached to the Main Cover.

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    • Place aside in a safe location.

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  7. Hamilton G5 Ventilation Unit Motherboard Replacement, Ventilation Unit Motherboard: crwdns2935265:07crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • First, we need to remove the ESM module. It is connected to 2 connector sockets. Disconnect and remove.

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    • Take out the Ventilation Real-time Controller (VRC) SW chip

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  9. Hamilton G5 Ventilation Unit Motherboard Replacement: crwdns2935265:09crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Install the ESM Module, by connecting the connectors (A), and the VRC SW chip on the new board.

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  10. Hamilton G5 Ventilation Unit Motherboard Replacement: crwdns2935265:010crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Disconnect all cables and connections from the board to the unit.

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  11. Hamilton G5 Ventilation Unit Motherboard Replacement: crwdns2935265:011crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Remove the three Hex screws (B).

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  12. Hamilton G5 Ventilation Unit Motherboard Replacement: crwdns2935265:012crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Move the motherboard out then up away from the ventilation unit (C).

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To reassemble your device, follow these instructions in reverse order.

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Dane Dormedy

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Cal Poly, Team S7-G25, Paton Spring 2020 crwdns2935289:0Cal Poly, Team S7-G25, Paton Spring 2020crwdne2935289:0

CPSU-PATON-S20S7G25

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