Daikin DPS - Cooling Menu; Economizer Menu; Min OA Damper Menu

Cooling Menu
Table 9: Cooling Menu
Occ Clg Spt an adjustable item which sets the temperature
above which the unit will go into the cooling mode of operation.
Unocc Clg Spt is an adjustable item which sets the zone
temperature above which the unit starts up and provides
unoccupied cooling (night setup) during unoccupied periods.
NOTE: Setting this to its maximum value will disable
unoccupied cooling.
DAT Clg Spt is an adjustable item used by the controller to
set the DAT cooling set point. This value is adjustable only on
DAC units when it is not being set by a reset schedule. It is not
adjustable on CAV units.
Economizer Menu
Table 10: Economizer Menu
OAD/Econo Cap is a status only item that is used to
indicate percentage that the economizer dampers/waterside
economizer valve is open.
DAT Clg Spt is an adjustable item used by the controller to
set the DAT cooling set point. This value is adjustable only on
DAC units when it is not being set by a reset schedule. It is not
adjustable on CAV units.
Min OA Pos is a status only item which indicates the current
minimum position of the outdoor air damper.
Occ Clg Spt an adjustable item which sets the temperature
above which the unit will go into the cooling mode of operation.
Unocc Clg Spt is an adjustable item which sets the zone
temperature above which the unit starts up and provides
unoccupied cooling (night setup) during unoccupied periods.
NOTE: Setting this to its maximum value will disable
unoccupied cooling.
Min OA Damper Menu
Table 11: Min OA Damper Menu
Min OA Pos is a status only item which indicates the current
minimum position of the outdoor damper. This value does not
go above a value called the Ventilation Limit and does not go
below a value called the Demand Control Ventilation Limit.
On CAV units the Ventilation Limit and the Demand Control
Ventilation Limit are xed values set equal to the Vent Limit=
and DCV Limit= parameters. On VAV units the OA Damper
Position increases from the Vent Limit= value to the LoFloVent
Limit= value as the variable speed supply air fan speed goes
from 100% down to the Min Clg Spd= value. The Demand
Control Ventilation Limit in this VAV case is determined by the
Ventilation Limit X DVC Limit=/Vent Limit=. When the Min OA
Reset= parameter is set to “None” the Min OA Pos= value is
set to the Ventilation Limit. If Min OA Reset= is set to Network,
Ext VDC, Ext mA, IAQ VDC, or IAQ mA, the Min OA Pos=
varies between the Ventilation Limit and the Demand Control
Ventilation Limit as the reset signal varies from its maximum to
minimum value.
Vent Limit is an adjustable item that sets the value of the
Ventilation Limit on a CAV unit or when a VAV unit is at 100%
discharge fan speed.
LoFlo Vent Limit is an adjustable item that sets the maximum
value for the Ventilation Limit on a VAV unit. The ventilation
limit is raised toward this value as the discharge fan speed
decreases toward the Min Clg Spd value.
DCV Limit is an adjustable item that sets the value of the
Demand Control Ventilation Limit on a CAV unit or when a
VAV unit is at 100% discharge fan speed. This item is only
used when the “Min OA Reset=” is set to something other than
“None.”
Min OA Src is a status only item which indicates dominant
internal function that is resetting the current minimum outdoor
air position. Refer to the Operator's Guide, Outside Air Damper
Control section for details on these functions.
Item Display
Name
Default
Setting
Range
Password
Level
Occ Clg Spt= 72.0°F 0.0-100.0°F 6
Unocc Clg Spt= 85.0°F 40.0-100.0°F 6
DAT Clg Spt= 55.0°F 40.0-100.0°F 6
Item Display
Name
Default
Setting
Range
Password
Level
OAD/Econo Cap= — 0–100% 6
DAT Clg Spt= 55.0°F 40.0–100.0°F 6
Min OA Pos= — 0–100% 6
Occ Clg Spt= 72.0°F 0.0–100.0°F 6
Unocc Clg Spt= 85.0°F 40.0–100.0°F 6
Item Display
Name
Default
Setting
Range
Password
Level
Min OA Pos= — 0–100% 6
Vent Limit= 20% 0–100% 6
LoFlo V Lmt= 30% 0–100% 6
DCV Limit= 10% 0–100% 6
Min OA Src= —
VentLmt
4
DesFlw
FldFlw
Network
Ext VDC
Ext mA
IAQ VDC
BSPOvrd
FanDiff
DCVLmt
ZeroOA
OM 1141-3 • MICROTECH UNIT CONTROLLER 30 www.DaikinApplied.com
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