Plant mode
An input "PlantMode" connected to the plant strategy macro is decoded to provide the required fire damper reaction. The table below shows the fire damper overrides depending on the plant mode.
Fire overrides have the highest priority over plant mode overrides.
Plant mode |
Fire damper |
0 = off |
auto |
1 = optimum start |
auto |
2 = night cycle |
auto |
3 = night purge |
auto |
4 = occupied period |
auto |
5 = extended operation |
auto |
6 = delayed switch off |
auto |
11 = duty cycling |
auto |
20 = frost protection |
auto |
21 = fan failure |
auto |
30 = fire override |
to fire position |