DSE Model 5520 Automatic Mains Failure Control and Instrumentation System Operators Manual
5520 OPERATING MANUAL ISSUE 1 04/02/05 AM
40
5.1.6
PLUG
“F”
8
WAY
PIN
No
DESCRIPTION
CABLE
SIZE
NOTES
37
Mains Loading Relay
Normally Closed Contact
2.5mm
Connect to mains contactor coil feed supply.
38
Mains Loading Relay
Normally Closed Contact
2.5mm
Connect to mains contactor coil.
39
Generator Loading Relay
Normally Open Contact
2.5mm
Connect to generator contactor coil feed supply.
40
Generator Loading Relay
Normally Open Contact
2.5mm
Connect to generator contactor coil.
41
Mains volts L1
1.0mm
Connect to Mains L1
42
Mains volts L2
1.0mm
Connect to Mains L2
43
Mains volts L3
1.0mm
Connect to Mains L3
44
Mains volts N
1.0mm
Connect to Mains N
5.1.7
PLUG
“G”
4
WAY
PIN
No
DESCRIPTION
CABLE
SIZE
NOTES
45
Generator volts L1
1.0mm
Connect to Generator L1
46
Generator volts L2
1.0mm
Connect to Generator L2
47
Generator volts L3
1.0mm
Connect to Generator L3
48
Generator volts N
1.0mm
Connect to Generator N
5.1.8
PLUG
“H”
12
WAY
PIN
No
DESCRIPTION
CABLE
SIZE
NOTES
49
CT Secondary for
generator L1
2.5mm
Connect to secondary of generator L1
monitoring CT
50
CT Secondary for
generator L2
2.5mm
Connect to secondary of generator L2
monitoring CT
51
CT Secondary for
generator L3
2.5mm
Connect to secondary of generator L3
monitoring CT
52
CT Secondary for
generator N
2.5mm
Connect to secondary of generator N (earth
fault) monitoring CT
53
Generator CT secondary
common
2.5mm
Connect to secondary of all monitoring
CT’
s
54
Not used
Do not connect
55
Not used
Do not connect
56
Not used
Do not connect
57
Low oil pressure sender
1.0mm
Connect to low oil pressure sender
58
Coolant temperature
sender
1.0mm
Connect to Coolant temperature sender
59
Fuel level sender
1.0mm
Connect to Fuel level sender
60
Sender common
1.0mm
Connect to sender common
NOTE*:- If using single terminal senders refer to connection diagram. If using
earth return type senders connect return terminals to pin 60 and connect pin 60 to
eart
h.
Thi
s i
s det
ai
l
ed i
n t
he Appendi
x sect
i
on ent
i
t
l
ed “Sender wi
ri
ng
recommendat
i
ons”
el
sewhere
i
n
t
hi
s
manual
.