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Zenith Automatic Transfer Switch | new.abb.com/low-voltage
SET SYSTEM CLOCK (24)
DAYLIGHT SAVINGS ON/OFF
CLOCK EXERCISER
(CDP) (21 & 24)
EXER S2 RUNTIME (CDT)
(25)
S1 UNDER VOLTAGE (19)
Fail
Restore
S1 UNDER FREQUENCY (20)
Fail
Restore
S1 OVER VOLTAGE (22) Fail
Restore
S1 OVER FREQUENCY (20)
Fail
Restore
S2 UNDER VOLTAGE (20)
Fail
Restore
S2 UNDER FREQUENCY (20)
Fail
Restore
S2 OVER VOLTAGE (20)
Fail
Restore
S2 OVER FREQUENCY (20)
Fail
Restore
SET PHASE IMBALANCE (VI)
FAIL 5%, RESTORE 3% (24)
SET PHASE IMBALANCE (VI)
TIME DELAY 30 seconds (24)
TIME DELAY S2 START (P1)
(22)
TIME DELAY S2 STABLE (W)
(24)
LOAD PRESIGNAL TD (T3/W3)
(24)
LOAD DISCONNECT TD (UMD)
(24)
ATS OPEN TIME TO S2 (DW)
DELAY units only (21)
TIME DELAY S1 STABLE (T) (24)
ATS OPEN TIME TO S1 (DT)
DELAY units only (21)
S2 STOP DELAY (U) (24)
CALIBRATE S1 (21)
CALIBRATE S2 (21)
*Optional Accessories
Change Adjustable Values
Through the SET Menu
Enter six digit access code
(The factory assigned six-digit access code
is located on the back of the controller)
Figure S6-7: Options selection via the SET menu