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IQ System Controller 3M quick install guide
Section C - Wiring
Sequence 2: IQ Battery 5P → IQ Combiner 5/5C → IQ System Controller 3M → IQ Meter Collar
NOTE: The total length of CTRL wiring across the system
cannot exceed 250 feet to ensure the system operates as per
specications.
WARNING: The drain wire should only be terminated on one end
of the control wiring between the system components, to prevent
ground loops.
CONTROL WIRING SEQUENCE TERMINATION RESISTOR LOCATION
IQ Combiner 5/5C → IQ Battery(s) 5P → IQ System Controller 3M → IQ Meter Collar
• IQ Combiner 5/5C
• IQ Meter Collar
IQ Battery(s) 5P → IQ Combiner 5/5C → IQ System Controller 3M → IQ MeterCollar
• IQ Meter Collar
• Last IQ Battery 5P in the daisy chain
Here is a table providing termination resistor locations for the above sequences:
Always wire IQ Meter Collar to
top connector of
IQ System Controller 3M
since it contains 24 V source
for the IQ Meter Collar
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