ComAp InteliATS PWR

InteliATS
NT
PWR, SW version 2.5, ©ComAp – May 2015 30
IA-NT- PWR-2.5-Reference Guide.pdf
AMF using two separate breakers with feedbacks (MCB and GCB) +
Test on Load
G
GCB
3x
LOAD
3x U
M
3x U
G
3xI
G
MCB
3x
T
3x
K4
MCB GCB
K3
3x
BO
BI
IA
-
NT
MCB
MCB
FEEDBACK
GCB
GCB FEEDBACK
TEST ON LOAD
ON LOAD
TEST
REQUIRED
REMOTE
TEST
/CLOSE OPEN
GCB
MCB CLOSE/OPEN
Specification
 Automatic remote gen-set start when the mains fails (AUT mode)
 GCB & MCB full control with feedbacks
 Break transfer on mains failure
 Break return on mains return (Load reclosing)
 Test mode (set running and waiting for mains failure)
 On Load Test - load transfer to gen-set (Island operation) and back to mains in TEST mode on
BI Test on load activation/deactivation. There are 2 breaks in this operation. Controller may
be forced to TEST mode by BI Remote TEST
Hardware requirements
1x IA-NT PWR
Setpoints
MCB Logic = “CLOSE-OFF”
RetFromIsland = “AUTO” – automatic return (MCB Close) to mains after TEST
RetFromIsland = “MANUAL” – manual return to mains (MCB Close) after TEST – IA-NT goes to MAN
mode.