Ferroresonant L-828/L-829 CCR Operation
2009 ADB Airfield Solutions, Incorporated
96A0288T 4-3
All rights reserved Issued 9/04
See Figure 4-2. The optional door interlock (1) disables remote and local
control of the CCR when the door is opened. If the door is opened while
the CCR is running, the CCR will shut OFF.
This is to protect personnel from coming into contact with high voltage
electronics.
NOTE: Power to the output terminals is now off, and the regulator cannot
be energized by remote control signals. Power is still present on the input
power terminals and on the internal control circuitry.
To bypass the interlock, pull out the plunger of the interlock switch. This
will allow remote and local control of the CCR with the door open.
2
VR 7,
U BBER
TB3
INPUT
1 2
TOP
1 2
TB3
TB1
K2
URC PCB
VR 7 , 8
SCR
BLOCK
F3-F4
T4
F5
SNUBBER
INPUT
Figure 4-2 SGRS Powerpack with ACE or ACE2
See Figure 4-1. To shut down the CCR, set the rotary switch to position
OFF.
NOTE: Power to the output terminals is now off, and the regulator cannot
be energized by remote control signals. Power is still present on the input
power terminals and on the internal control circuitry.
To remove input power, disengage disconnect switch or external circuit
breaker.
3. CCR Door Interlock
4. CCR Shutdown Procedure
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