Hardware wiring selection

With parameter SYS-01, the selection can be made for the wiring in the electrical cabinet, as shown in next figure. Wiring diagrams for two stage fan applications.




        SYS-01 = 0; serial                                 SYS-01  = 1; parallel


The different fan commands, according the "FanStageCmd" (FSC) and the serial/ parallel contacts, defined by SYS-01, are listed in the next table:


FanStageCmd

(FSC)

Fan outputs

SYS-01 = 0

Fan outputs

SYS-01 = 1

0 = off

Stage1Cmd = off

Stage2Cmd = off

Stage1Cmd = off

Stage2Cmd = off

1 = low

Stage1Cmd = on

Stage2Cmd = off

Stage1Cmd = on

Stage2Cmd = off

2 = high

Stage1Cmd = on

"Stage2Cmd = on

Stage1Cmd = off

Stage2Cmd = on