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ALARM
WARNING
DIAG ERROR
COM 1
TX
RX
COM 2
TX
RX
CL-7 Regulator Control
ESC
EDIT
FUNC
SYM
1
2
ABC
3
DEF
4
GHI
5
JKL
6
MNO
7
PQRS
8
TUV
9
WXYZ
0
VOLT LIMITER HIGH
OUT-OF-BAND HIGH
OUT-OF-BAND LOW
VOLT LIMITER LOW
AUTO TAP BLOCKED
REVERSE POWER
VOLT REDUCTION
1 2 3
DATA PORTS
USB
DRIVE
PC
CONTROL FUNCTION
OFF
LOCAL MANUAL
LOWER
NEUTRAL
VOLTMETER
EXTERNAL
SOURCE
INTERNAL
MOTOR
6A
SUPER-
VISORY
OFF
DRAG
HAND
RESET
OFF
EXTERNAL
POWER
AUTO/REMOTE RAISE
OFF
LOCAL MANUAL
LOWER
NEUTRAL
VOLTMETER
INTERNAL
MOTOR
6A
OFF
VR2
EXTERNAL
POWER
AUTO/REMOTE RAISE
VR3
OFF
LOCAL MANUAL
LOWER
NEUTRAL
VOLTMETER
INTERNAL
MOTOR
6A
OFF
EXTERNAL
POWER
AUTO/REMOTE RAISE
ENTER
Multi-phase
Control
Module
10
12
1
2
3
4
5
6
7
8
9
11
13
13
14
15
15
16
16
17
18
15
1
Multi-phase Active
Display LEDs
2
Status Indicators
3
USB Drive Data Port and
LED
4
USB Type B PC Data Port
5
Control Function Switch
6
Manual Raise/Lower Switch
7
Supervisory Off Switch
8
Drag-Hand Reset Switch
9
4 X 20 Character LCD
10
Alarm and Warning
Indicators
11
Hot Key Descriptions
12
Multi-Use Keypad:
Numeric Keys, Function
Keys, Short-Cut Keys
13
Communications
Indicators–Tx and Rx LEDs
14
Redundant
LED Neutral Light
15
External Source Terminals
with Ground
16
Voltmeter Terminals
17
Power Switch
18
Motor Fuse
Figure 1 . Control panel layout
2
INSTALLATION, OPERATION, AND MAINTENANCE INSTRUCTIONS
MN225003EN April 2018
CL-7 Voltage Regulator Control