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

Section C - Wiring
Wiring control (CTRL) cable
to headers
NOTE: IQ System Controller supports control wiring and will not
support Zigbee communication.
Enphase SKU for control cable: CTRL-SC3-NA-01
CTRL (L)
1
CTRL (H)
To be trimmed
Drain wire
Ground
5/16"
1½"
3" or to be trimmed till jacket, when not
connected to the drain terminal
Control cable to be stripped to recommended dimensions and
connected to the header.
3A
Scenario A: IQ System Controller is the terminal node for the
wired control network. Use control cable of length 40 inches +
conduit length and use termination resistor provided with Lit Kit.
CTRL header positions can be interchanged based on the system
setup.
NOTE: The control cable required for IQ Battery 5P, IQ Combiner
5/5C and IQ System Controller 3/3G must be compliant with
UL 3003, UL 1277, and UL 83 standards. Enphase has validated
performance using the Enphase control cable. Enphase cannot
guarantee performance when a third-party control cable is used.
IQ System Controller 3/3G Quick Install Guide
Screw terminal
for control cable
(Torque 0.2 N m)
Termination
resistor
Use cable tie
to fasten the
control cables
2
Control cable routing inside IQ System Controller.
Do not use side conduits for control cable routing.
3B
Drain terminal
Scenario B: IQ System Controller is not the terminal node
for the wired control network. Use control cable of length
40 inches + conduit length on each side.
Connect drain wire to the drain terminal only at one end
of a CTRL cable. Do not connect drain wires at both ends
of a CTRL cable.
Clamp for
control cable
routing
Dead front
connection
point, keep
clear of cables
Use cable
tie to fasten
the control
cables
29