DSE Model 5220 Automatic Mains Failure & Instrumentation System Operators Manual
38
057-012 5220 OPERATING MANUAL ISSUE 5.1 18/06/2007 AM
11 COMMISSIONING
11.1.1 PRE-COMMISSIONING
Before the system is started, it is recommended that the following checks are made:-
7.1. The unit is adequately cooled and all the wiring to the module is of a standard and rating compatible with the
system.
7.2. The
unit
DC
supply is fused and connected to the battery and that it is of the correct polarity.
7.3. 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
(positive)
7.4. 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. Select
“MANUAL”
, the unit start sequence will commence.
7.5. 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 its icon indicating; ‘
Failed to start
’
.
Select the
STOP/RESET
position to reset the unit.
7.6. Restore the engine to operational status (reconnect the fuel solenoid), again select
“MANUAL”
, 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 ‘Description of Controls’ section of this manual.
7.7. 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 and that the mains (utility) supply is healthy and available.
7.8. Initiate an automatic start by supplying the remote start signal or failing the mains(utility) supply. 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.
7.9. Remove the remote start signal and/or ensure the mains (utility) supply is healthy, 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 cooling down period, then shutdown into it’s standby mode.
7.10. Set the modules internal clock/calendar to ensure correct operation of the scheduler and event logging
functions. For details of this procedure see section entitled
Front Panel Configuration – Editing the date/time.
7.11. If despite repeated checking of the connections between the
5220
and the customer’s system, satisfactory
operation cannot be achieved, then the customer is requested to contact the factory for further advice on:-
INTERNATIONAL TEL: +44 (0) 1723 890099
INTERNATIONAL FAX: +44 (0) 1723 893303
E-mail:
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