Plant mode

An internal datapoint “PlantMode” is decoded from the Plant mode strategy macro to provide the required fan output signal as shown in the next table.


Plant mode

FanCmd

FanControlSignal

0 = off

off

0%

1 =optimum start

on

auto

2 = night cycle

on

auto

3 = night purge

on

auto

4 = occupied period

on

auto

5 = extended operation

on

auto

6 = delayed switch off

on

auto




11 = duty cycling

off

0%




20 = frost protection

off

0%

21 = fan failure

off

0%




30 = fire override

off

0%