Wiring Control (Ctrl) Cable To Headers - enphase IQ System Controller 3 INT Quick Install Manual

Section B - Wiring
Wiring control (CTRL)
cable to headers
IQ System Controller 3 INT supports wired control connections.
NOTE: Use Enphase recommended cables, headers and also refer
to local codes for any specific local requirements.
Scenario 1: When IQ System Controller 3 INT is a terminal node for
the control network (at the end of the control cable loop), use a
connector with a termination resistor in the terminal port.
Scenario 2: When IQ System Controller 3 INT is not a terminal node
for the control network (in the middle of the control cable loop),
terminate the control wires on both the connectors.
IQ System Controller 3 INT Quick Install Guide
Termination resistor
Drain terminal
CTRL (L)
CTRL (H)
(NA) to be trimmed
CTRL (G) - Ground
Drain wire
8 mm
38 mm
76 mm or to be trimmed till jacket, when not
connected to drain terminal
• Control wiring colours are indicative and might differ for
different manufacturers
• The control cable must be stripped to the recommended
dimensions as indicated above, and then connected to the
header
The tested and supported control cable make and models are:
Electra EAS7302PHV/EAS7502PHV or the LAPP 1270802.
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