Daikin MicroTech III Operation Manuals page 48

For commercial rooftop, applied rooftop and self-contained systems
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OA Flow is a status only item which indicates the current
outdoor airflow based on an optional OA airflow sensor input
used when the unit is equipped the DesignFlow OA control
feature, or a field supplied OA measuring station.
Min OAFlw Spt is an adjustable item that is used to set the
minimum design flow CFM's when the unit is equipped with the
optional DesignFlow OA control feature, or a field supplied OA
measuring station .
OA CFM DB is an adjustable item which sets the "deadband"
used in the control function that modulates Min OA Pos
parameter to maintain the OA Flow parameter at the MinOA
Flow set point when a unit is equipped with the optional
DesignFlow outdoor airflow measuring feature, or a field
supplied OA measuring station .
OA CFMPeriod is an adjustable item which sets the "sampling
time" used in the PI control function that modulates the Min
OA Pos parameter to maintain the OA Flow parameter at the
MinOA Flow set point when a unit is equipped with the optional
DesignFlow outdoor airflow measuring feature, or a field
supplied OA measuring station .
OA CFM Gain is an adjustable item which sets the "Gain"
used in the PI control function that modulates the Min OA Pos
parameter to maintain the OA Flow parameter at the MinOA
Flow set point when a unit is equipped with the optional
DesignFlow outdoor airflow measuring feature, or a field
supplied OA measuring station .
OA CFM Max Chg is an adjustable item which sets the
"maximum step" used in the control function that modulates
the Min OA Pos parameter to maintain the OA Flow parameter
at the MinOA Flow set point when a unit is equipped with the
optional DesignFlow outdoor airflow measuring feature, or a
field supplied OA measuring station.
LH Lvl Pos is a status item which is used to calibrate the left-
hand side (unit opposite drive side) of the optional DesignFlow
outdoor measuring apparatus . For details regarding calibration
of the DesignFlow apparatus, refer to the applicable model-
specific installation and maintenance manual.
RH Lvl Pos is a status item which is used to calibrate the right-
hand side (unit drive side) of the optional DesignFlow outdoor
measuring apparatus . For details regarding calibration of the
DesignFlow apparatus, refer to the applicable model-specific
installation and maintenance manual .
MinRFEFTm 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 .
OM 920-6 • MICROTECH UNIT CONTROLLER
BSPOvdST an adjustable item which sets the "sampling time"
used in the PI control function used for the building static
pressure override feature .
BSPOvdGain is an adjustable item which sets the "Gain" used
in the PI control function used for the building static pressure
override feature .
BSPOvdMxChg 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 .
ResetTLmt is an adjustable item which sets a temperature low
limit which overrides functions that reset the outside air damper
position if the temperature gets too cold .
RstTSmplT an adjustable item which sets the "sampling time"
used in the PI control function used for the Reset Temperature
Limit feature .
RstTGain is an adjustable item which sets the "Gain" used in
the PI control function used for the Reset Temperature Limit
feature .
RstTPAT is an adjustable item which sets the "project ahead
time" used in the PI control function used for the Reset
Temperature Limit feature .
RstTMaxChg is an adjustable item that sets the maximum
change value PI loop used for the Reset Temperature Limit
feature .
Min Inc Rate is an adjustable item used to set the minimum
increase rate for the outside air damper "cold start" sequence .
Max Inc Rate is an adjustable item used to set the maximum
increase rate for the outside air damper "cold start" sequence .
0-30% OA Max is an adjustable item used to set the maximum
outside air damper position when the unit is configured for a
30% damper .
48
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