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Instruction Booklet
IB 70-8698
Instruction Manual for the Eaton RTC-100
Automatic Transfer Switch Controller
eaton Corporation
www.eaton.com
Effective December 2009
4.1.4.2 Adjustments – Required for Automatic Load Control
There are 4 potentiometers on the RTC-100 that allow the user to
program the board with required information about the generator
(see Figure 8). Both the RUNNING watts and the STARTING watts
are required for the RTC-100 active load control to function properly.
It the STARTING watts are not know, then enter the RUNNING watts
as the both the RUNNING and STARTING watts on the potentiom-
eters. The RTC-100 utilizes this information to determine if enough
KW is available to turn on the controlled loads when the generator is
connected to those loads.
Figure 8. Generator KW Setting Potentiometers.
Starting KW
Input Here. Example
for 20 KW Generator
with 37 KW Starting
Watts. The Left Hand
Pot Would Be Set to
3 and the Right Hand
Pot Would be Set to 7
Running KW
input here. Example
for 20 KW generator
with 37 KW starting
watts. The left hand
pot would be set to 2
and the right hand pot
would be set to 0
