40 AK2-SC 255 Reference Manual RS.8D.M1.22
Ambient: Control is based on ambient temperature.
Discharge: Control is based on discharge pressure.
Control method (List box:)
1valve/1split: A single valve, when closed, limits
refrigerant flow to a part of the condenser, providing
two stages (usually 50%-100%).
2valve/2split: Two valves are used to provide three
stages (usually 50%-75%-100%).
2valve/3split: Two valves are used to provide four
stages (usually 25%-50%-75%-100%).
3valve/3split: Three valves are used to provide four
stages (usually 25%-50%-75%-100%).
Split when below (0.0 to 100.0) (Only with single split valves) The
temperature below which the condenser will be split.
Split deadband (0.0 to 25) (Only with single split valves) The
deadband above the previous setpoint in which
“unsplitting” cannot occur.
Drop fans (List box: Even, Odd) (Only with single split valves)
Which fans are dropped when condenser is split.
Split on heat reclaim: (List box: Yes, No) (Only with single split valves)
Whether or not condenser will be split when heat
reclaim is on.
Split pressure override (List box: Yes, No) Whether or not split function will
be overridden based on high discharge pressure.
Cut in (0.0 to 500.0) The pressure below which split con-
denser operation is allowed.
Cutout (0.0 to 500.0) The pressure above which split con-
denser operation is disallowed.
Reaction zone
and time If control method is Target, the next page of condenser configuration has neutral zone
control parameters for the PI control algorithm.
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