DSE Model 5520 Automatic Mains Failure Control and Instrumentation System Operators Manual
5520 OPERATING MANUAL ISSUE 1 04/02/05 AM
54
7 COMMISSIONING
7.1.1 PRE-COMMISSIONING
Before the system is started, it is recommended that the following checks are made:-
6.1. The unit is adequately cooled and all the wiring to the module is of a standard and rating
compatible with the system.
6.2. The unit
DC
supply is fused and connected to the battery and that it is of the correct polarity.
6.3. The Emergency Stop input is wired to an external normally closed switch connected to
DC
positive.
NOTE:- If Emergency Stop feature is not required link this input to the DC
Positive. The module will not operate unless either the Emergency Stop is fitted
correctly OR Pin 3 is connected to DC positive (+ve)
6.1. To check the start cycle operation take appropriate measures to prevent the engine from
starting (disable the operation of the fuel solenoid). After a visual inspection to ensure it is
safe to proceed, connect the battery supply. Press the
“MANUAL”
pushbutton, then press
t
he
‘
START
’
pushbut
t
on
f
or
a
shor
t
t
i
me.
The
uni
t
st
ar
t
sequence
wi
l
l
commence.
6.2. The starter will engage and operate for the pre-set crank period. After the starter motor has
attempted to start the engine for the pre-set number of attempts the LCD will display
‘
Shutdown Failed to start
’
.
Pr
ess
t
he
STOP/RESET
pushbutton to reset the unit.
6.3. Restore the engine to operational status (reconnect the fuel solenoid), again select
“MANUAL”
and operate the
‘
START’
pushbutton, this time the engine should start and the
starter motor should disengage automatically. If not then check that the engine is fully
operational (fuel available, etc.) and that the fuel solenoid is operating. The engine should
now run up to operating speed. If not and an alarm is present, check the alarm condition for
validity, then check input wiring. The engine should continue to run for an indefinite period.
It will be possible at this time to view the engine and alternator parameters - refer to the
‘
Descr
i
pt
i
on
of
Cont
r
ol
s’
sect
i
on
of
t
hi
s
manual
.
6.4. Select
“AUTO”
on the front panel, the engine will run for the pre-set cooling down period,
then stop. The generator should stay in the standby mode. If not check that there is not a
signal present on the
Remote Start
input.
6.5. Initiate an automatic start by supplying the remote start signal. The start sequence will
commence and the engine will run up to operational speed. Once the generator is available
a load transfer will take place, the Generator will accept the load. If not, check the wiring to
the Generator Contactor Coil
(if used)
. Check the Warming timer has timed out.
6.6. Remove the remote start signal, the return sequence will start. After the pre-set time period,
the load will be removed from the generator. The generator will then run for the pre-set
cool
i
ng
down
per
i
od,
t
hen
shut
down
i
nt
o
i
t
’
s
st
andby
mode.
6.7. Further details on synchronising and load sharing can be found in the DSE Guide to Load
Share system Design and Commissioning and the DSE Guide to Synchronising and load
sharing Part1 and Part2.
6.8. If despite repeated checking of the connections between the
5520
and
t
he
cust
omer
’
s
system, satisfactory operation cannot be achieved, then the customer is requested to contact
the factory for further advice on:-
Should you have any queries arising from this manual please contact our Technical Department:
INTERNATIONAL TEL: +44 (0) 1723 890099
INTERNATIONAL FAX: +44 (0) 1723 893303
E-mail:
Web: http://www.deepseaplc.com