ABB OTM_C_21D Installation And Operating Instructions Manual page 14

14
A U T O M AT I C T R A N S F E R S W I T C H , O T M _ C _ 2 1 D
Dip switch setting
1. Switching delay Ts: The delay of switcing from
primary line to secondary line in automatic
mode; Choose from 0, 1, 2, 3, 5, 10, 15, 20, 25,
and 30 seconds.
DIP Function
No.
1, 2 Pole setting
3, 4 Mode
setting
5, 6 Voltage setting
7 Frequency setting
8 Generator
selection
9 Generator stop
delay setting
Table 4. Dip switch
The 9-bit dial is used to control the switch for circuit testing, and the mismatch with
the load power supply will result in testing and transfer failure. Therefore,carefully read
this guide and set correct parameters based on the actual situation before using this
product.
Setting
01 10
2 poles 3 poles
01 10
No line Manual back
priority switching
01 10
240VAC/415VAC 230VAC/400VAC
0
60 Hz
0
No
0
240s
Figure 14. The 9-dip switch is used to set the
working modes of transfer switch
11
4 poles
11 (default)
Line priority LN1
11
220VAC/380VAC
1 (default)
50 Hz
1 (default)
Yes
1 (default)
30 s
00
Invalid setting
00
Invalid setting
00
Invalid setting