DSE Model 5220 Automatic Mains Failure & Instrumentation System Operators Manual
44 057-012 5220 OPERATING MANUAL ISSUE 5.1 18/06/2007 AM
15 APPENDIX
15.1 ALTERNATIVE WIRING TOPOLOGIES
The 5200 series controllers can support many different wiring topologies (AC systems) to suit the many systems in
use worldwide. The ‘Typical connection diagram’ details how to connect the module when used in a 3 phase, 4
wire system (3 phase star connected alternators). Changes to this typical wiring diagram for other AC systems are
detailed below.
NOTE:- The factory default configuration for the 5220 module is for use with the 3 phase, 4 wire AC
system. If another system is to be used, the controller must be reconfigured using the 5200 series
configuration software.
15.1.1 3 PHASE, 3 WIRE
The alternator is 3 phase delta connected. Phases are separated by 120°
L1
L2
L3
F2A F2A F2A
39 40 41 42
43
CT
common
CT
Earth
35 36 37
38
Not connected
F2A F2A F2A
31
32 33
34
G M
LOAD
Mechanical interlock
Electrical interlock
Generator
Mains (utility)
28273029
Generator
loading
relay
Mains
loading
relay
L1
L2
L3
Not connected
Not connected
15.1.2 1 PHASE, 2 WIRE
Single phase alternator with neutral conductor.
L1
N
F2A F2A F2A
39 40 41 42
43
CT
common
CT
Earth
35
36 37 38
Not connected
F2A
31 32 33 34
G M
LOAD
Mechanical interlock
Electrical interlock
28273029
Generator
loading
relay
Mains
loading
relay
L1
N
Not connected
Not connected
Not connected
Not connected
Not connected
Not connected
Generator
Mains (utility)
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