McQuay M5MAC Guía para resolver problemas Pagina 41

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McQuay Service Guide Book
40
9. Conversion from Old Sequential Board to New Sequential Board
(For wiring up to 1000 meters)
9.1 Sequential Main Board SQMB01 (Old Version)
9.2 Sequential Main Board SQMB01 (New Version)
Rework instruction:
SQMB01 (Main Board) from old
version to new version
Step 1: Remove
Jumper J1 and J2.
Step 2: Add Part: 2051-MAX1483
IC :MAX1483 to U8
J1 & J2
U8
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