© ADB Airfield Solutions All Rights Reserved
5
2.0 Introduction
A series cutout (SCO) isolates the series circuit from the constant current regulator (CCR) during maintenance or testing
operations. It allows periodic insulation resistance measurement of the series circuit to ground without disconnecting the series
cable. ADB’s SCO is patented under U.S. patent number 5952737.
2.1 About this manual
The manual shows the information necessary to:
•
Install
•
Carry Out Maintenance
•
Carry Out Troubleshooting on the SCO.
2.1.1 How to work with the manual
1. Familiarize yourself with the structure and content.
2. Carry out the actions completely and in the given sequence.
2.1.2 Record of changes
2.2 SCO Introduction
Figure 1:
SCO Cutout
Page
Rev
Description
Checked
Approved
Date
A
Manual release.
ER
WT
5/13/02
16
B
Changed dimension in Figure 9 from 5.9 in. to 7.58 in.
JY
WT
6/26/03
11
C
Added warning regarding using SCO with L-847 circuit
selector.
SA
GG
9/8/03
All
D
Added note on color change and keying
WT
WT
4/28/05
All
E
Updated Entire Manual
JC
CS
08/10/11
H
Updated entire manual
RW
RL
7/19/17