Install Manual

TP-6906 6/14 41Section 2 Accessories
2.4 Load Control Module (LCM)
The Load Control Module is available for single-phase
generators sets only.
The Load Control Module monitors and prioritizes
non-essential residential loads based on the available
power from the generator set. As the load on the
generator set decreases or increases, loads are added
or shed in the order of their priority.
Because many appliances (such as air conditioners,
furnaces, refrigerators, and sump pumps) do not run
continuously, the LCM allows less critical appliances to
be powered by the generator set when more important
appliances are not running.
The LCM automatically manages up to six residential
loads. Four power relays are provided for management
of secondary loads, and two relays a re available to
control two independent air conditioner loads.
Note: Connect only non-essential loads to the load
control module.
The optional Load Control Module (LCM) provides an
automatic load management system to comply with
Section 702.5 of NEC 2008. The installer is responsible
for ensuring that the power system installation complies
with all applicable state and local codes.
The LCM is available with or without a pre-wired harness
for load relay connection. The prewire harness requires
installation of the LCM within 2 feet of the distribution
panel. The load control module with the optional wire
harness is shown in Figure 2-4. If the harness is not
used, connect to the terminal blocks inside the LCM
enclosure. Figure 2-5 shows the load control module
without the optional harness.
Current transformers (CTs) on the emergency source
lines are required for LCM operation. The CTs are
included with the LCM kits. Installation of the CTs inside
the transfer switch enclosure is recommended.
See TT-1574 for detailed installation and connection
instructions.
Figure 2-4 Load Control Module ( shown with
optional wire harness)
Figure 2-5 Load Control Module ( cover removed to
show field-connection terminal blocks)