Q U I C K
I N S T A L L
G U I D E
Model number: X-IQ-NA-HD-125A
Installing IQ Combiner 4/4C Hold Down Kit
This is the Hold down kit for IQ8 PV breakers in IQ Combiner 4/4C. The hold down kit includes one retainer and 2 screws. Each hold down kit supports two
breakers to be installed on the same side of the busbar.
Follow these steps to install the Enphase Hold Down Kit in the IQ Combiner 4/4C:
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Toolkit, Enphase App and other trademarks or service names are the trademarks of Enphase Energy, Inc. Data subject to change. 10-22-2021
A) Turn off power ahead of the IQ Combiner 4/4C before installing the Hold Down Kit.
B) Refer to Figure 1 and align the retainer over rectangular hole in interior backpan and outside of main bus (Locate the two bus stab locations as
shown in Figure 2)
C) Snap-in end of retainer at interior backpan by pushing downward. The retainer should fit into the available space in the backpan with part of the
plastic in the rectangular hole and the other side of the retainer under the busbar.
D) Install the circuit breakers onto the bus.
E) Assemble #5-20 screw into hole in the breakers. Thread into retainer and tighten. Torque screws to 13 lb in (1.5Nm).
DANGER: Risk of electric shock. Always de-energize the load center before beginning wiring.
WARNING: Risk of equipment damage. Do not scratch, nick, bend or otherwise damage bus.
Retainer
Push here
Rectangular Hole
Figure 1. Retainer Snap-In Side View
