MH OUV-400, Operation Manual

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3 4
PROG
RECORD
CHECK
L1 L2 L3
L1
L2
L3
N
L
O
A
D
c a Ta Tc
P2 P1
OVER UNDER
AUX. POWER
AC/DC85~265V
L1 L2 L3
b
TEST
RESET
2.2 Connection diagram
Both L1-L1, L2-L2, L3-L3
terminals are internal linked
3. Display and button functions
3.1 Display screen button functions description
Display of setting values; (CHECK)
Short press to move next page (refer to 3.2)
Long press to return to the numeric display screen
Display of Trip records; ( RECORD)
Short press to move next page (refer to 3.2)
Long press to return to the numeric display screen
Enter the setting main menu (refer to 4.1)
Trip test function keys
Normal Non trip condition:
Press once to show ' PRESS TEST AGAIN TO CONFIRM'
Press once again to confirm
Display 'TEST OK' , Relay trip LED on and contact close.
Reset button
Trip condition
Trip via TEST button, Trip info area display 'TR_PB'
Press RESET, display 'RST TEST TRIP'. Relay reset
Trip via OV or UV, Relay reset when fault is removed (Relay = AUTO)
Trip info display ' TR_O' or 'TR_U' or 'TR_OU'
Press RESET, Trip info display will be clear.
** Relay will only reset via RESET when Relay = LATCH.
** TEST function is not possible when the relay is in trip condition
Refer to 3.2