O & M Manual – Insulated Case ATS Rev: October 2020
Publication Number:
MN0100700E
Version: V10.01.20
Page 74
8.8.
Mode – Test On Load (Standard)
This option is the standard feature programmed into the LSE8600. The steps to perform a Load
Test from the front HMI Screen are the following:
1.
Press the Mode
button until the top line reads “Test On Load”.
2.
Press the
button to confirm selection.
3.
The ATS will now transfer to source S2.
4.
To Return to Auto Mode, press the Auto
button and the ATS will resume normal
operation.
5.
If the LSE8600 does not transfer back to source S1, restart the LSE8600 by power cycling
it. Leave the controller off for a count of “3” before applying power.
8.9.
Mode – Test Off Load (Standard)
This option is the standard feature programmed into the LSE8600. The steps to perform a test of
the source S2, (Generator), without connecting the Load to source S2. To start the source S2
from the front HMI Screen, perform the following steps:
1.
Press the Mode
button until the top line reads “Test Off Load”.
2.
Press the
button to confirm selection.
3.
The ATS Screen will look like Table 31 – Test Off Load below.
Table 31 – Test Off Load
Test Off Load
XX:XX Time
S1 Available
S2 Available
S1 Closed
4.
To Return to Auto Mode, press the Auto
button and the ATS will resume normal
operation.
5.
If the LSE8600 does not transfer back to source S1, restart the LSE8600 by power cycling
it. Leave the controller off for a count of “3” before applying power.
8.10.
Load Demand Inhibit – LDI (Standard)
This option provides an input to the transfer switch, which forces transfer from emergency to
normal (or neutral if normal is not available) and prohibits the transfer to emergency when normal
is not available. This option is used in conjunction with load demand control in associated Lake
Shore Electric Paralleling Switchgear. The input is a two-wire connection as shown on the
drawings.