enphase IQ System Controller 3 Quick Install Manual page 32

Section C - Wiring
Sequence 3: IQ System Controller 3/3G → IQ Combiner 5/5C → IQ Battery(s) 5P
NOTE: Total length of CTRL wiring across the system cannot
exceed 250 feet to ensure the system operates as per
specifications.
Here is a table providing termination resistor locations for the above
sequences:
C O N T R O L W I R I N G S E Q U E N C E
IQ Combiner 5/5C → IQ System Controller 3G → IQ Battery(s) 5P
IQ Combiner 5/5C → IQ System Controller 3 → IQ Battery(s) 5P
IQ Combiner 5/5C → IQ Battery(s) 5P → IQ System Controller 3/3G
IQ System Controller 3/3G → IQ Combiner 5/5C → IQ Battery(s) 5P
32
T E R M I N AT I O N R E S I S TO R L O C AT I O N
• IQ Combiner 5/5C
• Last IQ Battery 5P in the daisy chain
• IQ Combiner 5/5C
• Last IQ Battery 5P in the daisy chain
• IQ Combiner 5/5C
• IQ System Controller 3/3G
• IQ System Controller 3/3G
• Last IQ Battery 5P in the daisy chain
IQ System Controller 3/3G Quick Install Guide