McQuay MQS-24018-CFC216A, Installation And Operation Manual

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I
User Notice
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Ensure unified power supply for each indoor unit.
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Never install wired controller in wet place or under sunlight directly.
Shielding twisted pair line must be adopted as signal line or wiring (communication)
of wired controller once the unit is installed in the place where there is
electromagnetic interference.
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Make sure communication line is connected into correct port to avoid
communication malfunction.
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Never knock, throw or frequently disassemble the wired controller.
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Never operate the wired controller
with
wet hand.
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