Multi F Four-Way Ceiling Cassette Service Manual
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Ceiling Cassette 4-Zone LGRED° Heat System - 30,000 BTU Outdoor - 7k + 9k + 9k + 9k Indoor - 20.0 SEER
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Part 5. T
rouble Shooting
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Only for training and service purposes
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< Inverter PCB>
< CT Sensing Check Point >
GND
GND
INPUT(CT)
INPUT(CT)
INPUT(CT)
54k
Vdc
GND
36k
IN/I
GND
<CT Sensing Check Point>
Black
Red
Vdc
1
...
...
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