InteliLite
NT
– AMF20/25, SW version 1.2, ©ComAp – March 2008 66
IL-NT-AMF-Reference Guide1.2.pdf
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 (Fwd Return 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 (
Fwd Return Del)
Situation 2: ReturnFromTEST=MANUAL, Mains =OK, MCB is closed, gen-set is running.
Press MCB on/off -> MCB opens, GCB closes (
Fwd Return Del), gen-set is running loaded.
MCB opened
GCB closed
Fwd Return Del