GE Masoneilan 469 Series, Instruction Manual

Page: 23 / 348

CHAPTER 1: GETTING STARTED
469 MOTOR MANAGEMENT RELAY – INSTRUCTION MANUAL 1–13
To set the ground CT ratings, modify the
S2 SYSTEM SETUP

CURRENT SENSING

GROUND
CT
and the
S2 SYSTEM SETUP

CURRENT SENSING

GROUND CT PRIMARY
settings as
shown below.
 Press the
MENU
key until the relay displays the Setpoints menu
header.
1. SETPOINTS
Press [

] for more
Press
MESSAGE

or
ENTER

SETPOINTS [

]
S1 469 SETUP
Press
MESSAGE


SETPOINTS [

]
S2 SYSTEM SETUP
Press
MESSAGE

or
ENTER

CURRENT [

]
SENSING
Press
MESSAGE

or
ENTER
PHASE CT PRIMARY:
600 A
Press
MESSAGE

MOTOR FULL LOAD AMPS
FLA: 318 A
Press
MESSAGE

GROUND CT:
50:0.025
Press the
VALUE
keys until
“5 A Secondary” is displayed.
GROUND CT:
5 A Secondary
Press the
ENTER
key to store the settings.
NEW SETPOINT HAS
BEEN STORED
Press
MESSAGE

GROUND CT PRIMARY:
100 A
Press the
VALUE
keys until 50 A is displayed, or
enter the value directly via the numeric
keypad.
GROUND CT PRIMARY:
50 A
Press the
ENTER
key to store the settings.
NEW SETPOINT HAS
BEEN STORED