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
1617
18
15
1
Multi-phase Active
DisplayLEDs
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
Figure1. Control panel layout
2
INSTALLATION, OPERATION, AND MAINTENANCE INSTRUCTIONS MN225003EN April 2018
CL-7 Voltage Regulator Control