Install Manual

TP-6879 8/14 35Section 2 Accessories
2.4 LoadShedKit
A load shed kit can be used on single-phase systems
that include a Model RDT or RXT transfer switch. The
load shed kit mounts inside the Model RDT or Model
RXT transfer switch enclosure. Figure 3 shows the load
shed assembly.
The optional load shed kit provides an automatic load
management system to comply with Section 702.5 of
NEC 2008. The installer is responsible for ensuring th at
the power system installation complies with all
applicable state and local codes.
Note: Do not install both a load shed kit and a load
controlmodule(LCM)onthesamesystem.
The load shed kit provides the same load shed and add
functions as the load control module (LCM). See Section
2.3.
Note: Connect only non-essential loads to the load
shed kit.
The load shed kit automatically manages up to six
residential loads:
D Up to four customer-supplied power relays can be
connected throu gh normally open relay contacts on
the circuit board. See TT-1609 for relay coil voltage
specifications.
D Two relays are included to control two independent
heating, ventilation, and air conditioning (HVAC)
loads.
An adequate electrical supply is required for operation
ofthecustomer-suppliedpowerrelaysconnectedtothe
load shed kit. Check the electrical requirements of the
customer-provided equipment prior to installation to
determine the wire size and circuit protection required.
Verify that customer-provided equipment complies with
applicable local and national electrical codes.
See TT-1609, provided with the kit, for detailed
installation and connection instructions.
1. Terminal block TB10
2. Load control circuit board
3. Mounting bracket
Note: Kit includes current transformer (CT), not shown.
2
GM88281
1
3
Figure 3 Load Shed Assembly GM88281-1