Operation Types - ABB Zenith ZTG 30 Operation, Maintenance And Installation Manual

2.1.1 Operation types

In this table you can find the differences of
the automatic transfer switch open and de-
layed transition operation types. Due to the
different transition types, there are differ-
ences are on HMI and on wiring of I/O con-
tacts. For more information on HMIs, see
chapter 2.2 and for wiring, see chapter 7.
Operation types, ZTG series ATS
Delayed transition, ZTGD
S1 I OII S2 S1 II O I S2
Load
Load
ZTG series HMI (with LCD-screen) and connections of control circuit
S1 O S2
l ll !
LOAD AUTO
Auto
Esc
Alarm reset
l O ll
ON OFF ON
1 2 3 5 6 10 11
G -
+
FIRE
24V
C NO NC C O1
—
Table 2.1 The differences of level types / operation types and the suitability of Ekip-modules
12 13 14 1 2 3
G
C NO NC
C I1 I2
Open transition, ZTG
S1 I II S2
Load
S1 S2
l ll !
LOAD AUTO
Auto
Esc
Alarm reset
l ll
ON ON
5 6 12 13
C O1 C I1
17
Ekip-modules suitable
Suitable