InteliLite
NT
– AMF20/25, SW version 2.2, ©ComAp – September 2014 103
IL-NT-AMF-2.2-Reference Guide.pdf
EmergStart Del
Mains fail
MCB
opened
Mains V Del
or
Mains Freq
Del
or
Mains VUnb Del
genset start
MCB Opens On =
GENRUN:
The MCB is not opened till the engine starts and gets ready to take the load.
Fwd Return Del
Engine started
MCB opened
Min Stab Time
GCB closed
Max Stab Time
Relation between Mains return and MCB
OFF Mode, GCB and MCB are opened
Mains return
MCB closed (only when genset is
not running and GCB is opened)
MCB Close Del
Relation between GCB and MCB
Conditions: AUTO Mode, Mains =off, MCB = opened, GCB = closed, gen-set loaded.
Mains returns: GCB opens (according 3.,
MainsReturnDel
), MCB closes (
Transfer Del
)
GCB opened
MCB closed
Fwd Return Del
Relation between GCB and MCB (Test mode)
Situation 1
: Mains =OK, MCB = closed, GCB = opened, RPM=0.
Change mode to TEST: gen-set starts, GCB = opened.
Mains cut: MCB opens (according 1.) , GCB closes (
Transfer Del
)
Situation 2
:
ReturnFromTEST
=MANUAL, Mains =OK, MCB is closed, gen-set is running.
Press MCB on/off -> MCB opens, GCB closes (
Transfer Del
), gen-set is running loaded.