Replacing Serial Communications Adapter Board (A12/A13); Replacing Ethernet Communications Adapter Board (A22); Replacing Rectifier / Heat Sink Assembly (A6) - HindlePower ATevo Series Operating/Service Instructions Manual

14 Maintenance
NOTICE
recalibrated. Run the Hindle Health Test to check the dc voltmeter
accuracy. If installation's parameters (float voltage, etc.) are
different from ATevo factory preset values, these values will need
to be re-entered or restored via SD memory card.
14.3.3 Replacing a Serial Communications Adapter Board
To replace any of the Serial Communications Adapters (A12/A13),
see Section 14.3.2 for Replacing the Main Control Board. The
Main Control Board (A1) must be removed to replace a Serial
Communications Adapter board.
14.3.4 Replacing Ethernet Communications Adapter Board
To replace the Ethernet Communications Adapter (A22), see
Section 14.3.2 for Replacing the Main Control Board. The Main
Control Board (A1) must be removed to replace the Ethernet
Communications Adapter board.
14.3.5 Replacing Rectifier / Heat Sink Assembly
Preparation:
• Shut down and lock out all power to the ATevo.
• Remove the safety shield.
• Disconnect the battery and dc load(s) from the DC Output
Circuit Breaker (CB2+/-).
• Check with a voltmeter before proceeding.
• Make sure the rectifier/heat sink assembly (A6) has cooled.
Removal of Existing Rectifier:
• Disconnect the ribbon cable and wires from Power Board (A2).
• Remove the two (2) bolts securing rectifier assembly on center of
left side of enclosure between top and bottom vent perforations.
• Pull rectifier assembly (A6) straight out toward front of ATevo.
• Remove the four (4) screws that attach Power Board to assembly.
• Remove the screw that attaches Filter Board (A7) to assembly.
• If an Auxiliary I/O Board (A4) is present, remove the four (4)
screws that attach it to the assembly.
• Lift and remove all boards from the existing rectifier / heat sink
assembly (A6).
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Replacement Main Control Boards (A1) must be
ATevo