enphase IQ System Controller 3 User Manual

IQ System Controller 3/3G Quick Install Guide
29
Termination
resistor
Drain terminal
Wiring control (CTRL) cable
to headers
Section C - Wiring
1
2
3A 3B
Control cable routing inside IQ System Controller.
Do not use side conduits for control cable routing.
5/16"
CTRL (L)
CTRL (H)
To be trimmed
Ground
Screw terminal
for control cable
(Torque 0.2 N m)
Drain wire
1½"
3" or to be trimmed till jacket, when not
connected to the drain terminal
NOTE: IQ System Controller supports control wiring and will not
support Zigbee communication.
Enphase SKU for control cable: CTRL-SC3-NA-01
Clamp for
control cable
routing
Dead front
connection
point, keep
clear of cables
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.
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.
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.
Control cable to be stripped to recommended dimensions and
connected to the header.
Use cable tie
to fasten the
control cables
Use cable
tie to fasten
the control
cables

enphase IQ System Controller 3 Specifications

General

Brand	enphase
Model	IQ System Controller 3
Category	Controller
Language	English