Daikin MICROTECH 4 Operation Manual page 183

ADvANCED OPERATION
OA Damper Set-Up – Fan Diff Control
Table 108: Main Menu \ Advanced Menu \ OA Damper Set-Up \ Fan Diff Control
Menu Display Default
Name
Min Fan Diff 20%
Max Fan Diff 50%
Max Fan DiffOA 20%
OA Damper Set-Up – BSP Ovrd Control
Table 109: Main Menu \ Advanced Menu \ OA Damper Set-Up \ BSP Ovrd Control
Menu Display Default
Name
BSPOvrdPeriod 5s
BSPOvrdGain 0 .2
BSPOvrdMxChg 4%
BSPOvrdTime 120s
OM 1373-1
Range
0-100%
0-100%
0-100%
Range
0-999s
0-100 .0
0-100%
60-300s
Description
Min Fan Diff is an adjustable item which sets a differential
between the discharge and return fan capacities above which
the minimum allowable Min OA Pos= begins to be reset upwards
from the Demand Control Ventilation Limit toward the Ventilation
Limit .
Max Fan Diff is an adjustable item which sets a differential
between the discharge and return fan capacities at which
the minimum allowable Min OA Pos= is fully reset up to the
Ventilation Limit .
Max Fan DiffOA is and adjustable item which sets the maximum
value for an increase or decrease of the outside air damper
position due to the Max Fan Diff Control function.
Description
BSPOvrdPeriod is an adjustable item which sets the "sampling
time" used in the PI control function used for the building static
pressure override feature .
BSPOvrdGainis an adjustable item which sets the "Gain" used
in the PI control function used for the building static pressure
override feature .
BSPOvrdMxChg is an adjustable item that sets the maximum
value for an increase or decrease of the outside air damper
position due to the building static pressure override feature .
BSPOvrdTime is an adjustable item used to set the time period
for which the return/exhaust fan must operate at the minimum
speed before the building static pressure override function is
activated .
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