Operation; Section 4 Operation; Introduction; Local Control - Siemens L-828 Manual

L-828 CCRs LC-Type (4, 7.5, and 10 kW/6.6 A/60 Hz)
Section 4

Operation

1. Introduction

2. Local Control

 2002 Siemens Airfield Solutions, Incorporated
All rights reserved
WARNING: Contents are static-sensitive. Must be
grounded when handling PCB.
This section provides the operational procedures for the L-828 style
constant current regulators (CCRs) listed below.
•
Local control procedures
•
Remote control procedures
•
Shutdown procedures
WARNING: When installing and servicing the L-828 CCR,
do not rely on circuit breaker CB1for safety. When CB1 is
turned off, the line voltage is still present on the input
terminals and on the CB1 terminals. Always remove power
to the regulator using the external circuit breaker or
disconnect the switch before installing or servicing the
regulator.
This subsection describes local control operations.
See Figure 2-4 in the Description section. Refer to Tables 4-1 and 4-2.
The rotary switch for the 3-step CCR has five positions; the rotary
switch for the 5-step has seven positions. The rotary switch S1 (6) on
the front panel is used for local control of the regulator.

Table 4-1 Rotary Switch S1 Position for 3-Step CCRs

If you set switch S1
to the following...
REM
OFF
10
30
100
96A0104B
Issued 6/02
The result is...
Operation of CCR by remote control signals.
CCR off. Cannot turn on by remote control.
4.8 A current output.
5.5 A current output.
6.6 A current output.
Operation
Page 4-1