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Merge pull request #3960 from karthikeyad-pnnl/issue2885_FanCoilUnitC…
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…ontrols

Issue2885 fan coil unit controls
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@JayHuLBL
JayHuLBL authored Aug 22, 2024
2 parents d7a6ac1 + 0bdcaf5 commit 64da409
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Showing 6 changed files with 257 additions and 280 deletions.
54 changes: 26 additions & 28 deletions Buildings/Controls/OBC/ASHRAE/G36/FanCoilUnit/Controller.mo
View file
Original file line number Diff line number Diff line change
Expand Up @@ -12,25 +12,27 @@ block Controller
Dialog(group="System and building parameters"));

parameter Boolean have_winSen=false
"True if the zone has window status sensor";
"True if the zone has window status sensor"
annotation(__cdl(ValueInReference=false));

parameter Boolean have_occSen=false
"True if the zone has occupancy sensor";
"True if the zone has occupancy sensor"
annotation(__cdl(ValueInReference=false));

parameter Real heaDea(
unit="1",
displayUnit="1")=0.05
"Heating loop signal limit above which controller operation changes from deadband mode to heating mode"
annotation (Dialog(
enable=heaCoi==Buildings.Controls.OBC.ASHRAE.G36.Types.HeatingCoil.WaterBased
annotation (__cdl(ValueInReference=false),
Dialog(enable=heaCoi==Buildings.Controls.OBC.ASHRAE.G36.Types.HeatingCoil.WaterBased
or heaCoi==Buildings.Controls.OBC.ASHRAE.G36.Types.HeatingCoil.Electric));

parameter Real cooDea(
unit="1",
displayUnit="1")=0.05
"Cooling loop signal limit above which controller operation changes from deadband mode to cooling mode"
annotation(Dialog(
enable=cooCoi==Buildings.Controls.OBC.ASHRAE.G36.Types.CoolingCoil.WaterBased
annotation(__cdl(ValueInReference=false),
Dialog(enable=cooCoi==Buildings.Controls.OBC.ASHRAE.G36.Types.CoolingCoil.WaterBased
or cooCoi==Buildings.Controls.OBC.ASHRAE.G36.Types.CoolingCoil.DXCoil));

parameter Buildings.Controls.OBC.CDL.Types.SimpleController controllerTypeCoo=
Expand Down Expand Up @@ -177,7 +179,8 @@ block Controller
unit="1",
displayUnit="1")=0.1
"Deadband mode fan speed"
annotation (Dialog(tab="Supply air setpoints",group="Fan speed"));
annotation (__cdl(ValueInReference=false),
Dialog(tab="Supply air setpoints",group="Fan speed"));

parameter Real uHeaFan_max(unit="1")=1
"Maximum heating loop signal at which fan speed is modified"
Expand All @@ -193,7 +196,8 @@ block Controller

parameter Real heaSpe_min(unit="1")=0.1
"Minimum fan speed for heating"
annotation (Dialog(tab="Supply air setpoints",group="Fan speed - Heating",
annotation (__cdl(ValueInReference=false),
Dialog(tab="Supply air setpoints",group="Fan speed - Heating",
enable=heaCoi==Buildings.Controls.OBC.ASHRAE.G36.Types.HeatingCoil.WaterBased
or heaCoi==Buildings.Controls.OBC.ASHRAE.G36.Types.HeatingCoil.Electric));

Expand All @@ -211,7 +215,8 @@ block Controller

parameter Real cooSpe_min(unit="1")=0.1
"Minimum fan speed for cooling"
annotation (Dialog(tab="Supply air setpoints",group="Fan speed - Cooling",
annotation (__cdl(ValueInReference=false),
Dialog(tab="Supply air setpoints",group="Fan speed - Cooling",
enable=cooCoi==Buildings.Controls.OBC.ASHRAE.G36.Types.CoolingCoil.WaterBased
or cooCoi==Buildings.Controls.OBC.ASHRAE.G36.Types.CoolingCoil.DXCoil));

Expand Down Expand Up @@ -307,49 +312,49 @@ block Controller
unit="1",
displayUnit="1")=0.1
"Valve position limit below which zero chilled water plant requests are sent when one request was previously being sent"
annotation(Dialog(tab="Request limits", group="Chilled water requests",
annotation(Dialog(tab="Request limits", group="Chilled water plant requests",
enable=cooCoi==Buildings.Controls.OBC.ASHRAE.G36.Types.CoolingCoil.WaterBased));

parameter Real chiWatResReqLim0(
unit="1",
displayUnit="1")=0.85
"Valve position limit below which zero chilled water reset requests are sent when one request was previously being sent"
annotation(Dialog(tab="Request limits", group="Chilled water requests",
annotation(Dialog(tab="Request limits", group="Chilled water temperature reset requests",
enable=cooCoi==Buildings.Controls.OBC.ASHRAE.G36.Types.CoolingCoil.WaterBased));

parameter Real chiWatPlaReqLim1(
unit="1",
displayUnit="1")=0.95
"Valve position limit above which one chilled water plant request is sent"
annotation(Dialog(tab="Request limits", group="Chilled water requests",
annotation(Dialog(tab="Request limits", group="Chilled water plant requests",
enable=cooCoi==Buildings.Controls.OBC.ASHRAE.G36.Types.CoolingCoil.WaterBased));

parameter Real chiWatResReqLim2(
unit="K",
displayUnit="K")=2.78
"Temperature difference limit between setpoint and supply air temperature above which two chilled water reset requests are sent"
annotation(Dialog(tab="Request limits", group="Chilled water requests",
annotation(Dialog(tab="Request limits", group="Chilled water temperature reset requests",
enable=cooCoi==Buildings.Controls.OBC.ASHRAE.G36.Types.CoolingCoil.WaterBased));

parameter Real chiWatResReqTimLim2(
unit="s",
displayUnit="s")=300
"Time period for which chiWatResReqLim2 has to be exceeded before two chilled water reset requests are sent"
annotation(Dialog(tab="Request limits", group="Chilled water requests",
annotation(Dialog(tab="Request limits", group="Chilled water temperature reset requests",
enable=cooCoi==Buildings.Controls.OBC.ASHRAE.G36.Types.CoolingCoil.WaterBased));

parameter Real chiWatResReqLim3(
unit="K",
displayUnit="K")=5.56
"Temperature difference limit between setpoint and supply air temperature above which three chilled water reset requests are sent"
annotation(Dialog(tab="Request limits", group="Chilled water requests",
annotation(Dialog(tab="Request limits", group="Chilled water temperature reset requests",
enable=cooCoi==Buildings.Controls.OBC.ASHRAE.G36.Types.CoolingCoil.WaterBased));

parameter Real chiWatResReqTimLim3(
unit="s",
displayUnit="s")=300
"Time period for which chiWatResReqLim3 has to be exceeded before three chilled water reset requests are sent"
annotation(Dialog(tab="Request limits", group="Chilled water requests",
annotation(Dialog(tab="Request limits", group="Chilled water temperature reset requests",
enable=cooCoi==Buildings.Controls.OBC.ASHRAE.G36.Types.CoolingCoil.WaterBased));

parameter Real hotWatPlaReqLim0(
Expand Down Expand Up @@ -405,19 +410,19 @@ block Controller
unit="1",
displayUnit="1")=-0.1
"Lower limit of the hysteresis for checking temperature difference"
annotation (Dialog(tab="Advanced"));
annotation (__cdl(ValueInReference=false), Dialog(tab="Advanced"));

parameter Real uHigh(
unit="1",
displayUnit="1")=0.1
"Higher limit of the hysteresis for checking temperature difference"
annotation (Dialog(tab="Advanced"));
annotation (__cdl(ValueInReference=false), Dialog(tab="Advanced"));

parameter Real deaHysLim(
unit="1",
displayUnit="1")=0.01
"Hysteresis limits for cooling and heating loop signals for deadband mode transitions"
annotation (Dialog(tab="Advanced"));
annotation (__cdl(ValueInReference=false), Dialog(tab="Advanced"));

parameter Real preWarCooTim(
unit="s",
Expand All @@ -429,19 +434,13 @@ block Controller
unit="1",
displayUnit="1")=0.1
"Hysteresis for checking temperature difference"
annotation(Dialog(tab="Advanced"));

parameter Real posHys(
unit="1",
displayUnit="1")=0.05
"Hysteresis for checking valve position difference"
annotation(Dialog(tab="Advanced"));
annotation(__cdl(ValueInReference=false), Dialog(tab="Advanced"));

parameter Real dFanSpe(
unit="1",
displayUnit="1")=0.05
"Fan speed hysteresis difference"
annotation(Dialog(tab="Advanced"));
annotation(__cdl(ValueInReference=false), Dialog(tab="Advanced"));

Buildings.Controls.OBC.CDL.Interfaces.BooleanInput u1Occ
"Current occupancy period, true if it is in occupant period"
Expand Down Expand Up @@ -717,7 +716,6 @@ protected
final hotWatResReqLim3=hotWatResReqLim3,
final hotWatResReqTimLim3=hotWatResReqTimLim3,
final Thys=Thys,
final posHys=posHys,
final dFanSpe=dFanSpe) if cooCoi == Buildings.Controls.OBC.ASHRAE.G36.Types.CoolingCoil.WaterBased
or heaCoi == Buildings.Controls.OBC.ASHRAE.G36.Types.HeatingCoil.WaterBased
"Block for generating chilled water requests and hot water requests for their respective plants"
Expand Down
34 changes: 22 additions & 12 deletions Buildings/Controls/OBC/ASHRAE/G36/FanCoilUnit/Subsequences/FanSpeed.mo
View file
Original file line number Diff line number Diff line change
Expand Up @@ -3,22 +3,25 @@ block FanSpeed
"Fan speed setpoint subsequence"

parameter Boolean have_cooCoi
"True if the unit has a cooling coil";
"True if the unit has a cooling coil"
annotation(__cdl(ValueInReference=false));

parameter Boolean have_heaCoi
"True if the unit has a heating coil";
"True if the unit has a heating coil"
annotation(__cdl(ValueInReference=false));

parameter Real deaSpe(
final unit="1",
displayUnit="1") = 0.1
"Deadband mode fan speed"
annotation(Dialog(group="Deadband"));
annotation(__cdl(ValueInReference=false), Dialog(group="Deadband"));

parameter Real heaSpe_min(
final unit="1",
displayUnit="1") = 0.1
"Minimum heating mode fan speed"
annotation(Dialog(group="Heating loop", enable = have_heaCoi));
annotation(__cdl(ValueInReference=false),
Dialog(group="Heating loop", enable = have_heaCoi));

parameter Real uHea_min(
final unit="1",
Expand All @@ -30,7 +33,8 @@ block FanSpeed
final unit="1",
displayUnit="1") = 0.6
"Maximum heating mode fan speed"
annotation(Dialog(group="Heating loop", enable = have_heaCoi));
annotation(__cdl(ValueInReference=false),
Dialog(group="Heating loop", enable = have_heaCoi));

parameter Real uHea_max(
final unit="1",
Expand All @@ -42,7 +46,8 @@ block FanSpeed
final unit="1",
displayUnit="1") = 0.2
"Minimum cooling mode fan speed"
annotation(Dialog(group="Cooling loop", enable = have_cooCoi));
annotation(__cdl(ValueInReference=false),
Dialog(group="Cooling loop", enable = have_cooCoi));

parameter Real uCoo_min(
final unit="1",
Expand All @@ -54,7 +59,8 @@ block FanSpeed
final unit="1",
displayUnit="1") = 1
"Maximum cooling mode fan speed"
annotation(Dialog(group="Cooling loop", enable = have_cooCoi));
annotation(__cdl(ValueInReference=false),
Dialog(group="Cooling loop", enable = have_cooCoi));

parameter Real uCoo_max(
final unit="1",
Expand All @@ -65,20 +71,24 @@ block FanSpeed
parameter Real heaDea(
final unit="1",
displayUnit="1") = 0.05
"Heating loop signal limit above which fan operation changes from deadband mode to heating mode"
annotation(Dialog(group="Deadband", enable = have_heaCoi));
"Heating loop signal limit above which fan operation changes from deadband
mode to heating mode"
annotation(__cdl(ValueInReference=false),
Dialog(group="Deadband", enable = have_heaCoi));

parameter Real cooDea(
final unit="1",
displayUnit="1") = 0.05
"Cooling loop signal limit above which fan operation changes from deadband mode to cooling mode"
annotation(Dialog(group="Deadband", enable = have_cooCoi));
"Cooling loop signal limit above which fan operation changes from deadband
mode to cooling mode"
annotation(__cdl(ValueInReference=false),
Dialog(group="Deadband", enable = have_cooCoi));

parameter Real deaHysLim(
final unit="1",
displayUnit="1") = 0.01
"Hysteresis limits for deadband mode transitions"
annotation(Dialog(tab="Advanced"));
annotation(__cdl(ValueInReference=false), Dialog(tab="Advanced"));

Buildings.Controls.OBC.CDL.Interfaces.BooleanInput u1FanPro
"Fan proven on signal"
Expand Down
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