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

FanOn/Off

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%

22 = overheat protection electric heater

off

0%

23 = emergency stop

off

0%




30 = fire override

off

0%