Home

UltraSite User`s Guide BCU Supplement

1. 40 41 Ade one Gs 41 Lone Hara dity CLOVIS ese ae 42 43 Ju a eL Ne tede 43 44 46 eme UC re NN 47 Table Of Contents 026 1004 Rev 1 09 04 97 BCU System Navigation The following section is the Building Control Unit supplement for the UltraSite User s Guide PN 026 1002 This section provides a complete detailed description of each dialog box associated with the BCU and accessible through UltraSite In depth hardware and software information associated with the BCU may be found the Building Control Unit Installation and Operation Manual PN 026 1105 To obtain supplements for other CPC REFLECS controllers or to obtain other prod uct manuals contact Computer Process Controls Inc at 770 425 2724 The dialog boxes described in this supplement are presented the order that they appear within specified pull down and
2. 9 REV Ld ADDED CIRCUITS 2 3 AND 4 TO DEMAND CONTROL 13 REV ADDED EIETER CELLTO INPUT MODULE AREE 21 REV ADDED LOW SUPPLY TEMP LOCKOUT FEATURE 33 I eene RTC FAN OUTPUTS MAY NOW BE CURTAILED sssscccccssescccessseccccasscecccunseccceaeeceecuessecessauececeauescessaes 34 REV ADDED SUMMER WINTER ECONOMIZATION 85 000000 00000000 000000 000000000000000 42 UltraSite User s Guide BCU Supplement Table of Revisions Table Of Contents BCU SYSTEM NAY IGA TION vssssccscndsecessasecoscuentissuvensusenssuesedtatucneeuaedsuausasaussudsdnvcnesedacdsavesdenveseussteosabacesiessenavevtsssesueeedes 1 1 DEVICESEHUPMEBNU DA rebua Gus eve es eI rk eeu cance As sene cS 2 EL OVS LENE G ONFIGURA OUT 3 1220 ASSIGNMENTS b 4 153 E DM epa 4 I COMMUNICATIONS INFORMATION 5 Lo BASE DEVICE HOLIDAY SCHEDULE
3. Holiday 1 schedules are activated by date at the Base Device Holiday 1 Schedule dialog box Start Date End Date 01 01 00 12 31 99 00 00 00 The Holiday 1 schedule is activated according to the spec ified dates in the Start Date and End Date fields If no end ing date is entered the schedule will end at midnight the next day If the current date 15 entered as a start date the schedule is activated immediately Repeat Yes No No Holiday 1 schedules that are the same from year to year are repeated if the repeat box is selected for the specified schedule Holiday 2 schedules are activated by date at the Holiday 2 Dates dialog box Start Date End Date 01 01 00 12 31 99 00 00 00 The Holiday 2 schedule is activated according to the spec ified dates in the Start Date and End Date fields If no end ing date is entered the schedule will end at midnight the next day If the current date 15 entered as a start date the schedule is activated immediately Repeat Yes No No Holiday 2 schedules that are the same from year to year are repeated if the repeat box is selected for the specified schedule 026 1004 Rev 1 09 04 97 1 7 Base Device Alternate Schedules Base Device Alternate Schedules Ea BCU 1 CPC World Headquarters Alternate 1 Schedule Start Date End Date Repeat omen 00700 00 owoo7o0 00700700 00700700 owoooo 00700700 Alte
4. EARS UBER Aden eR RGA a aoa 6 Lo SER THEM 6 127 BASE DEVICE ALTERNATE SCHED ULES 7 120 AE ARM FILTERN G pg is 7 IE MAKEUP AIR 9 SYSTEM ALARM SETUP 9 10 T 11 2 DEMAND CONTROL MENU 12 Zels DEMAND CONTROL SETPOINT 3 55 59 2 8092 20 I es 12 225 DEMAND CONPROL ALAR MIS er I 13 3S INPUES Gon ede oos 14 SW ROT a Sn 14 APUS ATUS E T 15 BY DOSS 15 ANPU S CDOS
5. REE 16 16 UNDA 17 ot 20 ILU dm 20 Pd AIO SOU N ao tette fest ed ates Sed Ser ane reel 21 Su E EN CUIR Immer 21 FFAs SIUP INN ONCE E M 21 4 OUTPUTS MAIN MENU 23 HET 23 ted DIALS C 24 NB MIO Ni v C 24 SOLID vrs Sed ieee 22 LOGIC 26 OUPA ALOIS eA ERES 27 24 16 Ouput Demand EUR 27 28 SE RR POS n MO TORT Ec aS 20 Subs S EM MER aS M E OSE RCN 29 ING
6. Send omman ypes that will be used to control an output are identified at the Output Logic dialog box Proof alarm command methods are also de fined The BCU may control an output using a single command or the combination of several commands To understand the logic concept in the order that the output control algorithm handles the data provided at the Logic dialog box the Log ic Inputs options box must be described first and the Meth od Schedule and Proof options last Logic Input Type options Input The final digital output values of up to four input and or output modules or schedules may be logically com bined to create a single output control value The com mand types may be any of the five types listed below Sensor Input Command Input A digital value is sued by the Sensor Input Module as a final result of the interaction between the Hardware Interface Combiner Cut In Cut Out and Override cells Sensor Input Alarm Input Alarm A digital value issued by the Sensor Input Module as a final result of the Process Alarm cell This value is generated based on a digital or analog signal generated by the Combiner cell Digital Output Command Output A digital value issued by the Digital Output Module as a final result of the interaction between the Demand Interface Schedule Interface Timer Combiner and Bypass cells 28 Output Modules Proof Fail Command Output Proof
7. Unit Summary 1995 CPC For Help press F1 Connected to cpc 00 36 10 Astan of UltraSite Status Corel PHOTO PAINT 9 915 4 1 2 Output Bypass Output Bypass Output 1 Eng 1 Command Normal Timed C Bypass Bypass E OK Send um zm mum passed at any time at the Output Bypass dialog box Command options Normal Users may choose from the following status commands Normal The normal status is the normal operation mode for the selected output The output will be ac 26 Output Modules The Output Status screen displays the current status of the selected output module The Output Status screen displays real time information about the selected output module Icon buttons and pull down menus provide the necessary options to select graph ing data graph the selected data view status screens of oth er output modules and view the unit summary screen Icon buttons and pull down menus found on summary and status screens are described in P N 026 1002 UltraSite User s Guide Section 1 10 Status and Summary Screens tivated or deactivated according to the normal Digi tal Output Command value Bypass On The bypass on status initiates an over ride and replaces the normal system settings with an ON command The specified output will be activat ed Bypass Off The bypass off status initiate
8. Demand Shed Parameters see Section 7 1 4 Zone Alarm Limits see Section 7 1 5 026 1004 Rev 1 09 04 97 Index Numerics 16AI Analog Input Boards defining number of 10 version specification 11 8RO Relay Boards defining number of 10 A Address Board and Point See Input Definitions Output Defini tions Advanced Rooftop Controllers zone assignments 4 Alarms demand control 13 alarm delay 13 alarm limits 13 alarm types 13 filtering 7 input sensors 16 faulty input 17 lights on 10 outputs 27 power failure 10 shutdown 10 zones 43 ARTCs See Advanced Rooftop Con trollers B BCUs naming 3 recording logins 3 Bypass Overrides inputs 15 20 outputs 24 Curtailment 28 D Daylight Savings Time Setup 3 Dehumidification 42 Demand Control 12 13 kW settings 20 load shed activation 13 log intervals 12 RTCs 34 set points 12 13 demand priority 28 demand window 12 output demand shed parame ters 27 zones 43 E Economization analog 32 33 42 digital 31 Input Definitions physical input 19 Input Output Control bypassing 15 Inputs 14 22 filtering 21 gain offset trim 21 input modules 14 21 overrides 20 set points 16 setup 17 20 module name 17 sensor type 17 Outputs 23 28 bypassing 24 logic 26 output modules 23 28 setup 25 module name 25 output type 25 physical output 25 pulse 25 M Makeup Air 8 damper offsets 9 disable strategy 9 enabling 9 outside temperature set points
9. ITE ER 30 3452 RDS OLIN RICE 20 RTC ANIOS QUAE Se ID 32 NEBST 33 Sd RIC Demana SeU 34 UltraSite User s Guide BCU Supplement Table Of Contents iii VE B ESI UM M 34 6 35 OE INDIVIDUAL SCHEDULE ME NU aA 35 o To Re te 36 Nm ETT 36 Ate eustaset c hate tia tta 37 6 22 2 37 0454 Tempora S NedUle eiert 37 BCU TIONG SOOO aussi es 36 OO S CRE S 36 39 AONES 40 ole ANDIVIDUAT lt ZONE MENU
10. See P N 026 1002 UltraSite User s Guide Section 1 6 1 Print Set Setup Instance 7 1 1 Zone Status File Actions View Window Help ee Ue nesem 2 Zone 5 Production Occupied Cool SP Heat RTCs In Zone Other Zones Unit Summary gt 1995 For Help press F1 Connected to cpe A Start of UltraSite Status Z Corel PHOTO PAINT 001416 9 7 1 2 Zone Temperature Setpoints Zone set points are defined at the Zone Tempera ture Setpoints dialog box Summer Winter 0 99 as shown above The heat and cool occupied and unoccupied set points for summer and winter are used to define the temperature maintained within a specified zone UltraSite User s Guide BCU Supplement Section 7 1 7 pm Instance The Zone Status screen displays current informa tion about the selected zone application The Zone Status screen displays real time information about the selected zone Icon buttons and pull down menus provide the options necessary to select graphing data graph the selected data view status screens of each zone and view the unit summary screen Icon buttons and pull down menus found on summary and status screens are described in the UltraSite User s Guide PN 026 1002 in P N 026 1002 UltraSite User s Guide Section 1 10 Status and Summary Screens Zone Temperature Setpoints Dead Band 0 10
11. At times a sensor may provide a reading that when offset and gain values are applied reads lower or higher than the known condition being monitored A trim value may be en tered to calibrate the sensor to actual conditions Enable YES NO NO If this box 1s checked the Filter cell will be enabled If un checked the cell will not be active Factor 0 100 10096 The Factor percentage determines how much the filter s in put will be changed when compared with the desired filter output Every time that an input changes the filter will compare the previous output with the current input After the comparison the filter will then only allow the new out put to be changed a percentage of what the input says it should change Interval 2 240 sec 10 sec The Interval field determines how often the Filter will check what the input is The Filter can be set to check the input anywhere between 2 and 240 seconds By default the Filter will check this value every 10 seconds if enabled 026 1004 Rev 1 09 04 97 3 1 10 Setup Instance Input Setup see Section 3 1 5 Setup Instance allows users to access all input related dialog boxes in succession Input Setpoints see Section 3 1 3 Input Sensor Alarms see Section 3 1 4 KW i 31 7 When Setup Instance is chosen all dialog boxes related to REE ere One input setup appear in sequence This allows users to change Gain Offset Trim see Section 3 1
12. 9 scheduling 9 Modem 5 baud rate 5 data bits 5 dial out delay 5 dial out phone numbers 5 parity 5 reset at midnight 5 setup string 5 O Output Definitions physical output 25 Overrides See Bypass Overrides UltraSite User s Guide BCU Supplement Passwords 4 R RS485 Host Network unit numbers 5 RTCs analog output setup 32 demand setup 34 input output setup 30 32 setup 32 33 5 Schedules 6 7 35 38 alternate schedules 37 copying days 36 holidays 6 38 setup 38 temporary 37 Season Setup 3 Status and Summary Screens Inputs 15 Outputs 24 RTCs 30 Zones 41 T Temperature Units 4 U Units Temperature 4 User Names 4 2 Zone Management 4 40 45 zone set points 41 demand control 43 humidity 42 43 zone setup 44 45 Index 47
13. Shed Activation options Schedule When defined demand control takes place constantly within the BCU However whether load shedding ac tually occurs as a result of demand monitoring is deter mined by a load shed activation command The BCU may be instructed to perform load shedding using any of the following five commands Sensor Input Command A digital value issued by the Sensor Input Module as a final result of the interaction between the Hardware Interface Combiner Cut In Cut Out and Override cells Sensor Input Alarm A digital value issued by the Sen sor Input Module as a final result of the Process Alarm cell This value is generated based on a digital or ana log signal generated by the Combiner cell Digital Output Command A digital value issued by the Digital Output Module as a final result of the inter action between the Demand Interface Schedule Inter face timer Combiner and Bypass cells Proof Fail Command A digital value issued by the Digital Output Module as a final result of the compar ison of an actual proof value and a commanded output action Schedule An application independent of the Sensor Input and Digital Output Modules which is used to es tablish on and off times Schedules are defined using Schedule Control in the BCU The source number associated with each command type is the Input or Output Module number specified in Control Demand Control Input NONE To perform
14. Status Outputs Device Setup Device Configuration 2 RTC Zone Assignments Schedules End ulcus Set Passwords Terminal Mode Communications Settings Backup Holiday 1 Dates Restore Holiday 2 Dates Get Logs Alternate Dates Alarm Filtering Compare Setpoints Makeup Air Add New gt Print Setpoints 170 Boards Restore RTC Program 1641 Board Setup View Unit Alarms Setup Autopolling Manual amp utopoll Offline Programming Import Setpoints File Export Setpoints File Information Edit Access Code Delete Option Device oin Seen Tt Suton Hoy pas Device Holiday Sd o _ e 2 System Configuration 026 1004 Rev 1 09 04 97 1 1 System Configuration System Configuration Building Control Unit NM NM General information such as device names record logins and summer and winter start dates is defined at the System Configuration dialog box Device Name 25 character max The device name is a user defined identifier that 1s used to identify a specific BCU on modification and status screens within UltraSite The unit name makes it easy for the user to identify a specific controller in UltraSite Record Logins Yes No Yes Record Logins activates a user log in record This log is a record of users logging into the controller The BCU will log the
15. action menus The following sheets provide information necessary to access any available screen or dialog box what data entry is required a brief functional description of the data and how that data is entered The example below describes the layout and use of the system navigation pages Section number and screen title 4 1 RTC Setup Circuit 1 MDIC 01c Temperatures Defrost Times min Setpoint 250 Eail Safe 45 Termination Drain Fan ASW 39 0 Demand Defrost Times hrs Fail Safe Alam 0 Discharge Return Weighting 100 0 p secs Dual Temp Alarm Setpoint Shift 0 0 Shows the default configuration of the dialog box Case Pump Down Delay Definition of the dialog box Functional Description Fan1 Delays for Heat 0 240 min 60 min On a call for heat the ARTC will activate the fan after the duration specified in the On field This is in addition to any delay built into the Rooftop Unit When a heat stage Provides _ a Configuration set points for each ARTC re defined at the RTC Setup dialog box in depth explanation of the dialog box what data may be entered definition of the entry fields and instruction on navigation within the screen is deactivated the ARTC leaves the fan ON for the duration specified in the Off field Fan2 Operation Mode options On call fo
16. defined based on when the timer type should activate the load at the beginning of the digital ON signal or at the end Users may choose from the following two pulse types Pulse On activates a specified output when the out put command value transitions from an OFF to an ON Pulse Off activates a specified output when the out put command value transitions from an ON to an OFF To disable the pulse feature select None Timer Default O 240 0 The Timer Default is the duration the output will be ON when a value corresponding to the Momentary On or Off selection is received This duration will be used to determine when an ON pulse should be ended re gardless of any other commands received Timer Units options Seconds The Timer Units determine if the timer default should be measured in seconds minutes or hours Default Override Time 0 240 30 The default override time is the duration the output will re main in bypass mode if the bypass is defined as a timed by pass at the Output Bypass dialog box see Section 4 1 2 Outputs Main Menu 27 4 1 4 Output Logic Method Logic Ony Output Logic Output 1 Eng 1 Logic Inputs s Control Method Type Instance OR t Input 14 EngLight lv 2 Schedule Schedule 4 Engineerin 3 Input 4 Input Schedule Instance Proof Type Instance Input NONE
17. demand monitoring and control the cir cuits must receive kW values from either kW or watt hour transducers For each circuit being used choose the input module to which the transducer is connected from the pull down menu 026 1004 Rev 1 09 04 97 2 2 Demand Control Alarms Demand Control Alarms Demand Control r High Demand Alarm Limit Alarm Delay 0 minutes Alarm Type High demand alarms and notices are defined at the Demand Control Alarms dialog box A demand alarm or notice 15 a warning that signifies an ab normal kW reading within the BCU When the current kW reading exceeds the user defined High Demand Alarm set point an alarm or notice will be generated Alarm Limit 0 9999 kW 1050 kW The alarm limit is the set point in kW at which an alarm or notice will be generated UltraSite User s Guide BCU Supplement Alarm Delay 0 240 min Alarm Delay is the specified time duration the BCU must wait before generating an alarm or notice Alarm Type Alarm Notice Disable Disable There are two types of alarms within the BCU Users may choose from the following alarms according to which type should be activated when the current kW reading exceeds the high demand alarm limit 0 min Alarm appears in an alarm log and may be accom panied by a contact closure for on site operation of a bell light horn etc and may also be accompanied by an alarm dialout sequence and or activa
18. dialog box 4 1 6 Output Demand Shed Parameters UltraSite User s Guide BCU Supplement Schedule options None The input and or output module or schedule to be com bined with the logic value created above may be any of the five command types listed under Logic and found in the Schedule scroll options Proof options Input The current output command value created within the out put module is compared to a proof command This compar ison will determine if a proof fail alarm or notice will be generated when a load controlled by an output module fails to activate Generally this command type will be generated by an input module tied to a proof sensor on the load being controlled The command types may be any of the types listed under Logic and found in the Proof scroll options Alarm Type Alarm Notice Disable Notice An alarm or a notice will be generated when the BCU de tects an abnormal ON OFF status within a specified output The proof alarm feature is activated when an alarm type is chosen To deactivate the proof alarm function for the spec ified output select Disable from the Alarm Type scroll op tions Delay 240 sec 180 sec The proof delay is the specified time in seconds the BCU must wait before activating an alarm or notice when the BCU detects an abnormal ON OFF reading within an out put Output Demand Shed Parameters Demand Control settings for each output are de fined at the
19. load from demand shed 026 1004 Rev 1 09 04 97 Curtailment Yes No No If a particular site is participating in a power company cur tailment program the selected loads for each ARTC will be shut down for 15 minutes when curtailment is in effect Curtailment is activated when a non voltage contact clo sure 15 detected an input defined as Curtail see Section 3 1 5 Input Setup There 15 no control over when or if 5 1 6 Setup Instance Setup Instance allows users to access all RTC re lated dialog boxes in succession When Setup Instance is chosen all dialog boxes related to RTC setup appear in sequence This allows users to change a number of settings without having to select each dialog box individually from the system tree menu When an RTC UltraSite User s Guide BCU Supplement these loads are shut down other than to include or not in clude them in the curtailment program To set up an output for curtailment check the Curtailment check box next to the output and enter the kW value of the output s load Users may select both heating stages both cooling stages both auxiliary outputs and the fan for cur tailment is created in UltraSite the Setup Instance sequence is initi ated automatically Setup Instance cycles through the dialog boxes in the fol lowing order RTC I O Setup see Section 5 1 2 Analog Output Setup see Section 5 1 3 RTC Setup see Section 5 1 4 RTC Demand
20. specified PC UltraSite n Site BCU 1 Building Control Unit Control provides a way of customizing the BCU by in Demand Control terconnecting input and output modules that control build eae Outputs ing functions Digital Output Modules are setup TARET monitored and controlled using the Output screens For a complete overview of I O Control refer to P N 026 1105 cee o Building Control Unit Installation and Operational Print Setpoints 1 Log Inventory Setup Logic Alarm Settings Demand Control Parameters Setpoints Setup Instance option Reference Page View Alarms See P N 026 1002 UltraSite User s Guide Section 1 11 Alarm View Print Setpoints See P N 026 1002 UltraSite User s Guide Section 1 6 1 Print Set points Setup Section 4 1 3 Output Setup 2 Logic Section 4 1 4 Output Logic 2 Alarm Settings Section 4 1 5 Output Alarms 2 1 6 2 Demand Control Parameters Section 4 1 6 Output Demand Shed Parameters 7 8 9 9 Setup Instance Section 4 1 7 Setup Instance 30 UltraSite User s Guide BCU Supplement Outputs Main Menu 25 4 1 1 Output Status UltraSite Status Output 1 Eng 1 File Actions View Window Help la x HELLS 813 neos Output 1 Eng 1 Logici Non Bypass On Normal Logic 2 OMinutes Logic 3 Logic 4 Sched Demand Proof Other Outputs
21. stage is de activated the ARTC leaves the fan ON for the duration specified in the Off field Fan 2 Operation Mode options On call for 2nd stage If Fan2 is defined as an auxiliary output on the ARTC the fan is activated during the second stage of heat and during the second stage of cool When activated Fan is deactivat RTCs Main Menu 35 ed and Fan2 turns on Currently this operational mode is the only active mode for Fan2 operation The other options available in the Fan2 Operation Mode scroll options will become active in future versions of the BCU When a second stage of heat or cool is deactivated 2 15 deactivated and 1 15 reactivated However there is a ten second delay for Fan2 to spin down before Fan starts This delay is fixed in the BCU and cannot be modified Max Cools for Dehumidification O 4 1 A maximum number of cooling stages used during dehu midification may be defined to prevent the space tempera ture level from dropping too low If this set point is set to the default of One compressors two three and four will not be used during dehumidification Econ Supply Air Setpoint 0 99 F 0 F The Econ Supply Air Setpoint is the analog economization temperature set point When economization is activated in a zone using an analog economizer the economizer will modulate based on the mixed air temperature If a mixed air temperature sensor is not found the economizer will mod
22. that are used when a facility is in an occupied or unoc cupied mode Input sensor set points may be defined as specific values for analog inputs or simply as contact closed or contact open for digital input sensors Open contact open for digital input sensors Closed contact closed for digital input sensors None limit is not applied Delays 0 240 secs mins hrs 0 The delay is the specified time the BCU must wait be fore activating the defined set points Separate delays may be defined for cut in and cut out values for occu pied and unoccupied modes When control values are received by the BCU from the specified input sensors they are compared to user defined input set points to determine if the BCU should send an ON signal to the appropriate output This signal is also com pared to the user defined HI and LO alarm set points to de termine if the BCU should generate an alarm or notice Occupied Unoccupied Notice Alarm options None Notice low level warning that creates an entry in BCU Alarm Log Alarm high level warning that will appear in the BCU Alarm Log and may be accompanied by a con tact closure for on site operation of a bell light horn etc An alarm may also initiate an alarm dialout se quence and or the activation of the 485 Alarm Annun ciator Panel Low High Alarm set points may be defined as specific values for analog inputs or simply as contact closed o
23. user s name and location to the BCU Alarm Log Daylight Savings Time DST Mode Formula Fixed Fixed The BCU contains a real time clock that is used when log ging information to the various logging screens When the current time changes to standard time or to daylight savings time the BCU s clock should be modified by one hour Time changes occur twice a year in most areas Methods for defining how the system will change its settings for daylight savings time include Formula the system clock will change on the Sun day within a specific month and week Fixed the system clock will change on a specific date Daylight Savings Time DST Formula Month 1 12 Springz4 Fallz10 If the Formula method is chosen in the DST Mode field the BCU will modify the system time during the specified Spring and Fall months Enter the desired months in the Spring and Fall Month fields By default the spring UltraSite User s Guide BCU Supplement change over time is in April and the fall change over time is in October Daylight Savings Time DST Formula Week 1 5 Springz1 Fall 5 Within the month specified in the DST Month fields the BCU will change the system time on the Sunday morning within the week specified in the DST Formula Week fields at approximately 2 00 a m Enter the number of the week in which the change will occur By default daylight savings time will begin in Week 1 of April and end in Week 5 of O
24. 026 1004 Rev 1 09 04 97 UltraSite User s Guide BCU Supplement a LLL CPC COMPUTER PROCESS CONTROLS Computer Process Controls Inc 1640 Airport Road Suite 104 Kennesaw GA 31044 Phone 770 425 2724 Fax 770 425 9319 ALL RIGHTS RESERVED The information contained in this manual has been carefully checked and is believed to be accurate However Computer Process Controls Inc assumes no responsibility for any inaccuracies that may be contained herein In no event will Computer Process Controls Inc be liable for any direct indirect special incidental or consequential damages resulting from any defect or omission in this manual even if advised of the possibility of such damages In the interest of continued product development Com puter Process Controls Inc reserves the right to make improvements to this manual and the products described herein at any time without notice or obligation Table of Revisions Revision Description Page ADDED TEMPERATURE UNITS FIELD TO SYSTEM CONFIGURATION 4 REV Ui ADDED MODEM SETUP STRING AND RESET OPTIONS cccccccccccccccceeeeeeeeeeeeeeeeeeseeesuuesauueusaesseeessseesesseeeeeees 5 REV TI ADDED 485 ALARM PANEL FILTERING 8 2 2 2 000000000 11 7 ADDED VIAKEUP AIR DISABEE STRATEGIES
25. 7 2 7 The Dead Band is the value equally above and below the temperature set point within which the temperature level is considered to be acceptable The ARTC will not call for a stage of heat or cool until the dead band 15 exceeded Dead Bands may be set up to 10 for heat and for cool Delays 0 99 min Onz3 min Off 0 1 min Time delays are specified measurements of time the ARTC must wait before activating or deactivating a stage of heat or cool After the ARTC calls for a stage of heat or cool the ARTC will wait the specified ON delay before initiating the first load After the ARTC calls for a stage of heat or cool to be deactivated the ARTC will wait the specified OFF delay before deactivating the appropriate load Lockout None Summer Winter None Lockout values specify the system to keep cools off in the winter mode and heats off in the summer mode regardless of the sensor temperature reading Lockout values prohibit the system from calling for a stage of cool during dehumid ification Zones Main Menu 47 7 1 3 one Humidity Setpoints Zone Humidity Setpoints RH Sensor Availability Sensor Availability zone are 1 the Zone Humidity Setpoints dialog box Dehumidification Dewpoint 0 99 Occ 65 UnOz75 The dehumidification dewpoint is the zone dehumidifica tion set point defined when monitoring humidity using a dewpoint reading After the ARTC find
26. 8 a number of settings without having to select each dialog box individually from the system tree menu When an input is created in UltraSite the Setup Instance sequence is initi ated automatically e Input Override see Section 3 1 6 Filter Setpoints see Section 3 1 9 Setup Instance cycles through the dialog boxes in the fol lowing order UltraSite User s Guide BCU Supplement Inputs Main Menu 23 4 Outputs Main Menu rom the Outputs Main Menu output summary screens and alarms may be viewed new modules File Tree Logs System View windov may be added and set points may be printed UltraSite ZI Chain Site BCU 1 Building Cont Demand Control Output Summary HSche View Alarms Print Setpointz Opis Output Summary See P N 026 1002 UltraSite User s Guide Section 1 10 Status and 63 Summary Screens Add New See P N 026 1002 UltraSite User s Guide Section 1 5 7 Add New 42 Enhanced REFLECS only See P N 026 1002 UltraSite User s Guide Section 1 11 Alarm View Print Setpoints See P N 026 1002 UltraSite User s Guide Section 1 6 1 Print Set points 24 Input Modules 026 1004 Rev 1 09 04 97 4 1 Output Modules Screen Ma From the Output Modules menu output logic may be defined output status screens may be viewed f Tree cm nane and alarm and load shed parameters may
27. 99 Low 40 High 95 F When the measured reading from the space temp sen sor falls below the low set point or rises above the high set point during unoccupied hours an alarm is sent to the Alarm Log and if installed the 485 Alarm Panel Zones Main Menu 49 7 1 6 Zone Setup one Setup H ACZONE mem m m Zone are E the Zone Setup dialog box Controlled by options RTC Space Temp The Controlled by field defines the temperature sensor or sensors to be used by the ARTC to control the tempera ture in the zone The following options are available RTC Space Temp The RTC Space Temp method uses the measured Space Temperature to control the zone A space temperature sensor input is connected to each ARTC This temperature sensor measures the space temperature within the zone Return Temp RTC Return Temp method uses the measured Return Temperature to control the zone A return air temperature sensor input is con nected to each ARTC This temperature sensor mea sures the return air temperature within the zone The following three selections assume that either one or both of the auxiliary inputs on an ARTC board have been defined as SpaceTemp2 Therefore more than one tem perature sensor measures the space temperature within the zone Avg RTC Temps Avg RTC Temps method calcu lates the average space temperature from all space temperature sensors connected t
28. A digital val ue issued by the Digital Output Module as a final re sult of the comparison of an actual proof value and a commanded output action Schedule An application independent of the Sensor Input and Digital Output Modules which is used to establish on and off times Schedules are defined us ing Schedule Control in the BCU Instance options None The instances are the modules to be combined using the method chosen in the Control Method field Users may choose from any Input or Output module or schedule found in the scroll options Control Method options OR The control method 15 the logic type that will deter mine how the selected module or schedule values will be combined The control method may be any of the types listed below OR If any of the sensor input commands are ON the Logic In value will be ON NOR The Logic In value is the opposite of the re sult of the OR function AND If all of the sensor input commands ON the Logic In value will be ON Otherwise the Logic In value will be OFF NAND The Logic In value is the opposite of the re sult of the AND function XOR If the two sensor input command values are the same the Logic In value is OFF If the values are different the Logic In value is ON VOTE If the majority of the sensor input command values are ON the Logic In value is ON Otherwise the Logic In value will be OFF Method options Logic Only The val
29. ARTCs are commanded to increase the position of their outside air dampers by an additional calculated amount This calcula tion is based on the offset percentage and the number of in 8 Makeup Air 026 1004 Rev 1 09 04 97 active RTUs within the zone RTU air dampers will modulate the number of inactive ARTCs times the defined offset percentage For example if the damper offset is 1 and five ARTC fans are not running the remaining ARTCs will increase their damper positions by 5 five units X 1 Timer 5 60 min 10 min An ARTC will be placed in makeup mode when all fans participating in a stage of heat or cool are running and the required amount of makeup air has not been achieved or the minimum number of fans are not running These ARTCs will remain in makeup mode until there is positive pressure in the controlled space and the minimum requirements of fans is met However the duration an ARTC may be placed in makeup mode is limited by defining the MUA Timer When there is a call for an ARTC to run in makeup mode the ARTC will run only for the amount of time defined in the Timer field The BCU will then sequentially rotate to the next available controller This rotation distributed the fan times fairly among the participating controllers Enable options Always The makeup air application may be enabled by the follow ing BCU features Schedule the BCU will only allow makeup air based on the ON and OFF times
30. C Sensor inputs are setup monitored and controlled at the Input Modules dialog box es For a complete overview of I O Control refer to CPC s Building Control Unit Installation and Operational Manu al PN 026 1105 026 1004 Rev 1 09 04 97 Screen Map Tree Logs System View Window Help CPC Ultra Site Fi Chain Site 3 BCU 1 Building Control Unit Demand Control Sa I E Out Status EH BTC Bypass Schi Selpoints Alarm Limits View Alarms Print Setpoints Log Inventory Setup Input E Gain Offset Trim Filter Setpaints Setup Instance View Alarms See P N 026 1002 UltraSite User s Guide Section 1 11 Alarm View Print Setpoints See P N 026 1002 UltraSite User s Guide Section 1 6 1 Print Set points Log Inventory See P N 026 1002 UltraSite User s Guide Section 1 5 2 Log Inven tory UltraSite User s Guide BCU Supplement Inputs Main Menu 15 3 1 1 Input Status UltraSite Status Input 1 Input 01 tle File Actions View Window Help FIT Input 1 Input O1 Value NONE NONE Cutln CutQut Cutln CutOut Occupied Closed Open Unoccupied Closed Open Other Inputs or Help press 3 1 2 Input Bypass Input 1 DAT emp r Command Type Normal Timed pP Bypass Off Fixed Cancel SendTo na un are m
31. C I O Setup dialog box The name and corresponding zone assignment of the se lected ARTC will be displayed in the RTC and Zone fields The RTC Status screen displays current informa tion about the selected RTC Application The RTC Status screen displays real time information about the selected RTC application Icon buttons and pull down menus provide the necessary options to select graph ing data graph the selected data view status screens of each RTC application view the RTC Summary screen and view the unit summary screen Icon buttons and pull down menus found on summary and status screens are described in P N 026 1002 UltraSite User s Guide Section 1 10 Status and Summary Screens To edit the defined name and zone number enter the new name and or number in these fields Inputs Yes No Space TempzY all others N There are eight available input connections on each ARTC board six predefined and two auxiliary Only the types displayed in the Inputs options box should be connected to an ARTC To activate any of the predefined inputs check the desired box The ARTC is capable of operating a rooftop unit as soon as a single space temperature probe has been defined as an ARTC input connection and power has been supplied to the board Aux In 1 Aux In 2 options Not Used There are also two auxiliary input connections on an ARTC There are 18 available auxiliary input types These inputs are activated whe
32. CU Supplement RTC Analog Output Setup Fan Normally Open Normally Closed Nor mally Open The Fan should be defined to either relay normally open or normally closed The Min V is the minimum voltage to be sent to the econ omizer when the output is OFF The Max V is maxi mum voltage to be sent to the economizer when the output is at 100 Min 0 100 0 The economizer damper will proportionally modulate based on the throttling range that is fixed at 10 F around the analog economization temperature set point When the mixed air or supply air temperature falls to the bottom of the throttling range the economizer damper will modulate closed or the damper will modulate to its minimum posi tion The Min is the minimum percentage position the econo mizer should stay open on a call to close Use Always Only When Occupied Always When the Only when Occupied option is selected from the Use Minimum o scroll options the economizer damper will only modulate to the minimum percentage when in an occupied mode By default the economizer will modulate based on the minimum percentage at all times Configuration set points for each ARTC are de fined at the RTC Setup dialog box 1 Delays for Heat 0 240 On a call for heat the ARTC will activate the fan after the duration specified in the On field This is in addition to any delay built into the Rooftop Unit When a heat
33. F None The Econ Lockout Temp is a setting that doesn t allow economization if the outside temperature is higher than the cool lockout setpoint when the cool lockout setpoint is val id The Econ Lockout Temp prevents the controller from initiating an economization when conditions are not favor able If an error occurs in the relative humidity sensor read ing and a low reading is received in the controller even though the temperature might be very warm 90 F the hot air will not be economized if the Econ Lockout Temp set point is anywhere below 90 F Dehumidification Method options RH Zone sensors measure either the relative humidity or the dewpoint Zone humidity levels may be measured using a humidity sensor or a humidistat The zone dewpoint may be measured using a dewpoint probe or a dewpoint control switch Therefore the method of monitoring humidity within a zone is dictated by the type sensor connected to an ARTC auxiliary input within the zone Summer Winter Economization Mode op tions Sensor Availability Summer Econ and Winter Econ method describes the type of sensors or calculations used to determine if economiza tion is advantageous Economization can be controlled by several different devices Refer to Section 8 4 7 Miscella neous Set Points for more information about the econo mization options available The Summer Econ method chosen will be active during the BCU s defined summer season w
34. Output Demand Shed Parameters dia log box Output kW 0 240 kW 0 kW Each output load controlled by an ARTC has a specific kW rating This rating is used by the BCU to determine which loads within the priority level must be shed to reduce ener gy consumption below the Demand Limit Set Point Curtailment Yes No No If curtailment is available it may be assigned to any output load When a non voltage contact closure is detected in an input defined as Curtail see Section 3 1 5 nput Setup curtailment is activated and all HVAC loads setup for Outputs Main Menu 29 curtailment will be turned off for 15 minutes regardless of any other control settings Demand Priority options Disabled For each output a load shed priority is defined Outputs may be defined to load shed priority levels 1 16 Level 1 15 the lowest priority and loads within this level will be shed last Level 16 is the highest priority level and loads within this level will be shed first Load shedding is disabled if disabled is selected from the Demand Priority scroll op tions Maximum Off Time 0 240 min 0 min All digital output modules may be configured to come out of load shed after a specified period of time This duration is the Maximum Off Time Minimum On Time 0 240 min 0 min A digital output module that has recently been shed may be configured to remain out of shed for a defined period of time before being placed back i
35. Setup see Section 5 1 5 RTCs Main Menu 37 Es Screen Map rom the Schedules Main Menu users may view schedule summaries add new schedules view schedule alarms and print schedule set points Ultra Site Chain C Site BCU 1 Building Contr Demand Control FHInputs HIATCs es al Schedule Summary Add New View Alarms Print Setpoint option Page Schedule Summary See P N 026 1002 UltraSite User s Guide Section 1 10 Status and 63 Summary Screens Add New See P N 026 1002 UltraSite User s Guide Section 1 5 7 Add New 42 Enhanced REFLECS only See P N 026 1002 UltraSite User s Guide Section 1 11 Alarm View NE Print Setpoints See P N 026 1002 UltraSite User s Guide Section 1 6 1 Print Set points 38 Individual RTC Menu 026 1004 Rev 1 09 04 97 6 1 Individual Schedule Menu Screen Ma BCU regular alternate holiday and temporary schedules may be set up using the Individual File Tree Logs System View Window Help Schedule Menu options UltraSite AE Chain Site BCU 1 Building Control Un Demand Control 1 Outputs RTCs Schedules e edule Ge Normal Alternate 1 Alternate 2 Alternate 3 Alternate 4 Temporary Holiday View Alarms Print Setpoints Setup Setup Instance Opin View Alarms See P N 026 1002 UltraSite User s Guide S
36. aSite User s Guide BCU Supplement Proof Fail Command PROF A digital value is sued by the Digital Output Module as a final result of the comparison of an actual proof value and a commanded output action Schedule SCHED An application independent of the Sensor Input and Digital Output Modules which is used to establish on and off times Sched ules are defined using Schedule Control in the BCU There are two ways to override the specified schedule with in a zone using schedule overrides and using zone sched ule overrides When activated schedule overrides bypass the normal system schedule within all zones controlled by the schedule Schedule overrides are defined at the Sched ule Setup dialog box see Section 6 1 8 Schedule Setup However a zone schedule override will bypass the normal system schedule only within the specified zone Override Instance Input NONE If the source signals OFF the ARTC will continue to con trol the zone using normal system settings If the source signals ON the ARTC will control the zone according to the occupied mode set points An instance 15 the override source defined in I O Control Precondition Yes No No The precondition feature is the BCU s optimum Start Stop function The precondition feature is designed to activate and deactivate HVAC functions to ensure that zone tem perature set points have been reached at the start of the zone occupied or unoccupied mode I
37. activate all out puts defined as Lights see Section 4 1 3 Output Setup Curtail input contact closure will activate all HVAC loads setup for curtailment for fifteen minutes see Section 5 1 5 RTC Demand Setup Most sensors connected to an input communication board provide data to a specific Sensor Input Module Only the specified module uses the data received from the connected sensor Global sensor readings are applicable to all areas UltraSite User s Guide BCU Supplement controlled by the BCU Global input sensors are used to monitor BCU functions such as lights and outside air and are also used when the BCU cannot find the appropriate sensors for a specified area In addition to global input types virtual input types are also available within I O Control Virtual inputs use stored val ues within the BCU that control the activity of a specified output Virtual inputs are defined as sensor inputs connect ed to the BCU however virtual inputs are not physically connected to any input board Physical Input Type options None Type defines the board type where the sensor to be read by the sensor input module is located Users may choose from the following board types e BCU e RTC Inputs Main Menu 19 e 16AI None If the input type is a virtual input the board type should be BCU Board Point The network address of an input communication board is defined by either the network dip switch on the 16AI boa
38. ance Reference Page RTC Status Section 5 1 1 RTC Status See P N 026 1002 UltraSite User s Guide Section 1 11 Alarm View Print Setpoints See P N 026 1002 UltraSite User s Guide Section 1 6 1 Print Set points Log Inventory See P N 026 1002 UltraSite User s Guide Section 1 5 2 Log Inven tory 32 Individual RTC Menu 026 1004 Rev 1 09 04 97 5 1 1 RTC Status File Actions View Window Help New Alarms RTC 4 Engineering Occupied SS Off NO Ses 5 UltraSite Status RTC 4 Engineering Return Air 62 080 Cool SP 72 SO SP 50 Zo 71 500 Space 2 OtherRTCs Unit Summary gt 1995 Help press F1 i Connected to cpc 00 15 06 AStart 4 UltraSite Status Corel PHOTO PAINT 3 5 1 2 RTC I O Setup RTC Operations Outputs Zone 1 Heat 1 Cool 1 Inputs Heat 2 Cool 2 Economizer Space Temp Cool 1 Proof Supply Air Temp Cool 2 Proof Return Air Temp Air Flow Sensor Aux Out 1 Aux Out 2 Not Used Not Used Analog Out 1 Not Used il Aux In 1 Analog Out 2 Not Used Aux In 2 Inside RH Space Temp 2 Fan Normally Open All inputs and outputs connected to an ARTC board are defined at the RT
39. are available Sensor Input Command A digital value issued by the Sensor Input Module as a final result of the inter action between the Hardware Interface Combiner Cut In Cut Out and Override cells Sensor Input Alarm A digital value issued by the Sensor Input Module as a final result of the Process Alarm cell This value is generated based on a digi tal or analog signal generated by the Combiner cell Digital Output Command A digital value issued by the Digital Output Module as a final result of the in teraction between the Demand Interface Schedule Interface Timer Combiner and Bypass cells Proof Fail Command A digital value issued by the Digital Output Module as a final result of the com parison of an actual proof value and a commanded output action Schedule An application independent of the Sensor Input and Digital Output Modules which is used to establish on and off times Schedules are defined us ing Schedule Control in the BCU Instance options None The instance is the source of the command type 026 1004 Rev 1 09 04 97 3 1 6 Input Override Input Override Input 1 DAT emp ge Timed V Default Override Time 60 Inputs defined as overrides are configured at the Input Override dialog box If the input is not de fined as an override see Section 3 1 5 Input Set up the Input Override menu option will not ap
40. are the days within the months specified in the Season Start Month fields in which the change overs will take place By default the seasonal change overs take place on the first of May and the first of October Device Setup Menu 3 Season Temperatures 0 99 9 Summer 60 Win terz50 If the Temperature method is chosen in the Season Mode field the BCU will change to the Summer settings when the outside temperature exceeds the Summer start temper ature set point and will change to the Winter settings when the outside temperature falls below the Winter start temper ature set point 1 2 RTC Zone Assignments Zone Zone Zone Zone po spo 3 11 jo 13 jo 27 jo fm oe fo B mE 7 jo 15 jo 24 jo 31 jo 8 jo 16 jo 24 jo 32 jo a 2 1 3 Password Setup Password Setup BCU 1 CPC World Headquarters Access Level 1 Access Level 2 User Name Password Password 0 0 0 1 m 1 2 3 4 User 08 mode Access Level 3 Access Level 4 User Name User Name Password 4 User12 E e 3 access at the Password Setup dialog box 4 RTC Zone Assignments Temperature Units Fahrenheit Celsius Fahren heit The BCU can display temperature readings in either de grees Fahrenheit or degrees Centigrade To select a
41. ary Screens Alarm Setup Section 2 2 Demand Control Alarms See P N 026 1002 UltraSite User s Guide Section 1 11 Alarm View Print Setpoints See P N 026 1002 UltraSite User s Guide Section 1 6 1 Print Set points Log Inventory See P N 026 1002 UltraSite User s Guide Section 1 5 2 Log Inven tory UltraSite User s Guide BCU Supplement Demand Control Menu 11 2 1 Demand Control Setpoints Demand Control Setpoints Schedule NONE BK Cane Send To Demand 3 m am perform demand control are defined at the De mand Control Setpoints dialog box Demand Setpoints 0 9999 kW Summer Win ter 1000 kW The demand limit set point is a predefined level of energy consumption at which a power company greatly increases its rates Separate set points for summer and for winter may be defined Window Period 3 60 min 15 min To determine if the demand limit set point is being ex ceeded power companies monitor energy consump tion for a fixed period of time This duration is called the Demand Window The duration of the Demand Window is entered in the Period field Log Interval 0 60 min 15 min The log interval defines how often data is recorded to specified logs The log interval for the demand win dow is the interval the BCU will use to send kW read ings to the demand status log 12 Demand Control Setpoints Load Shed
42. bps 9600 bps The baud rate is the actual carrier frequency being used to transmit data to and from an attached modem The baud rate should be set according to the type network modem used with the remote network Parity Bits options NONE 8 The BCU automatically calculates the Parity and Data Bits settings required for the remote network to communicate UltraSite User s Guide BCU Supplement properly according to the specified Baud Rate settings This setting should not have to be changed Modem Setup String 34 characters max The initialization string for the specified modem is dis played in the Modem Setup String field The BCU will au tomatically define the necessary string needed to initialize the modem entered in the Modem field if the modem is known to the BCU If there is no predefined string dis played in the Setup field enter the initialization string found in the modem user s manual Reset Modem at Midnight Yes No Yes To ensure the modem is properly set up to perform the BCU s remote communication functions users can send a string to reset the modem on a regular basis To automati cally send the string every night at midnight enter YES in the Reset Modem at Midnight field Dialout The dialout is the phone number to be called when a dialout sequence is activated When using UltraSite to receive alarms this number should be the phone number to the UltraSite modem When an alarm is generated and a
43. ctober Daylight Savings Time DST Dates 01 01 00 12 31 99 Start 04 07 96 End 10 27 96 If the Fixed method is chosen in the DST Mode field the BCU will modify the system time on the specified dates BCU system settings will be changed to daylight savings time starting on the date defined the Start field and will return to standard time on the date defined in the End field The Fixed method is primarily used in areas where daylight savings time does not occur every year Because the de fined dates are specific for each year the Date fields must be updated each year by the user Season Mode Date Temperature Temperature Most control set points within the BCU are defined sepa rately for Winter and for Summer Methods for activating Summer and Winter settings include the following Date the settings are changed to the appropriate settings on a specific date Temperature the settings change when the outside temperature drops below or exceeds the defined temperature set points Season Start Month 1 12 Summer 5 Win ter 10 If the Date method is chosen in the Season Mode field the Season Start Month fields are the numbers of the months in which the seasonal changes occur By default summer is May through September 5 9 and winter is October through April 10 4 Season Start Day 1 31 Summerz1 Winter 1 If the Date method is chosen in the Season Mode field the Season Start Day fields
44. d OFF operation times for Alternate Week 2 schedules are defined at the Alternate 2 Schedule dialog box Alternate Weeks are used to plan for known hours person nel will be in the store apart from standard business hours When activated alternate week schedules take precedence over the standard week schedule Copy Days See Section 6 1 1 1 Copy Days Schedules 41 6 1 4 Alternate 3 Schedule Alternate 3 Schedule Schedule 1 Sched 01 Time Setpoints 1 Off 1 2 Sunday 0004 Monday pron 00 00 00 00 00 00 Tuesday 0000 Wednesday 00 00 00 00 00 00 Thursday 00 00 00 00 00 00 0 00 Friday 00 00 00 00 00 00 0 10 Saturday 00 00 00 00 00 00 0 00 tes 1 Copy Days 6 1 5 Alternate 4 Schedule Alternate 4 Schedule Schedule 1 Sched 01 Time Setpoints 1 Off 1 Sunday 00 Monday Tuesday Wednesday 0000 00 00 00 00 0000 Thursday 00 00 00 00 00 00 0 10 Friday 00 00 00 00 00 00 0 00 5 aturday 00 00 00 00 00 00 0 00 42 Individual Schedule Menu Copy Days ON and OFF operation times for Alternate Week 3 schedules are defined at the Alternate 3 Schedule dialog box Alternate Weeks are used to plan for known hours person nel will be in the store apart from s
45. defined by the schedule designated at the Schedule field Digital Input the BCU will only allow makeup air when the BCU receives a contact closure from a dig ital input defined as a makeup air input in I O Con trol Always the makeup air application is active at all times 1 10 System Alarm Setup System Alarm Setup BCU 1 CPC World Headquarters Power Fail Alarm Disable Shutdown T EN Lights On Alarm set points for features such as Shutdown and Lights On are defined at the System Alarm Setup dialog box UltraSite User s Guide BCU Supplement Schedule 1 56 1 When enabling the makeup air application using a sched ule the BCU will only allow makeup air based on the ON and OFF times defined by the designated schedule Users may choose from all 56 available schedules Min Fans 1 32 1 During occupancy a defined minimum number of fans will run at all times to provide the appropriate makeup air Up to 32 fans may run at one time according to how many ARTCs are attached to the BCU Entering 0 in this field disables the application Outside Air Temperature Enable 0 994 Min 55 Max 75 Regardless of the option selected in the Enable field make up air will not begin unless the outside air temperature falls within the range specified at the Outside Air Temperature Enable fields Makeup Fan Strategy When OAT Disabled op tions Disable Makeu
46. e an alarm dialout sequence and or the activation of the 485 Alarm Annunciator Panel If Disable is chosen as an alarm type the power fail alarm feature is deactivated and no alarm will be generated if there is a power failure within the system Shutdown Auto Lock Auto The BCU will deactivate all HVAC functions within the system when certain alarms are generated To activate Shutdown an input module must be defined as Shut Down and an Occupied Alarm or Notice must be set to Closed within I O Control When an alarm associated with this in put module is generated the BCU will automatically deac tivate all HVAC functions There are two methods for resetting all HVAC functions to normal operation after shutdown 1 11 Boards 1 0 Boards x Unit 33 Set number of 1 0 boards Board Setup x BCU 1 CPC World Headquarters Designate Yersion 02 or Higher Boards I2 I5 10 I O Boards Auto functions are automatically reset when alarm condition no longer exists Lock functions must be reset manually Lights On Auto Lock Auto The BCU will activate all output modules defined as lights when certain alarms are generated To activate Lights On an input module must be defined as Lights On and an Oc cupied Alarm or Notice must be set to Closed within I O Control When an alarm associated with this input module is generated the BCU will activate all
47. e either Output or Lights All outputs defined as Lights will be activated when a contact closure is detected within an input defined as Lites On from the Input Setup dialog box see Section 3 1 5 Input Setup These outputs will be activated regardless of any other control settings Physical Output Board Type options NONE The location of the output to be controlled by the dig ital output module is determined by the board type Us ers may choose from the following board types 8RO RTC None If an 8IO is being used select SRO UltraSite User s Guide BCU Supplement Board Point In conjunction with the board type the board number and point also determines the location of the output to be controlled by the digital output module The network address or board number of an output communication board is defined by either the network dip switch on the 8RO board or rotary dials on the ARTC or SIO board Each output is physically connected to a specific point on an output communication board On the 8RO and SIO boards the point numbers are printed on the board adjacent to the output connections On the ARTC AUX 1 is point 1 and AUX 2 15 point 2 Pulse The pulse or momentary start and stop function within I O Control will activate an output for a defined period of time based on the transition of the ON OFF output command value Pulse Type options None The pulse type is the output timer type and should be
48. e fol lowing order RTC I O Setup see Section 5 1 2 Analog Output Setup see Section 5 1 3 RTC Setup see Section 5 1 4 RTC Demand Setup see Section 5 1 5 Schedules 45 7 Zones Main Menu ee Map rom the Zones Main Menu zone summary an alarm data may be viewed and set points may be R Tes Lese iam printed Ei Chain f Site BCU 1 Building Cor Demand Control Inputs Outputs IRTCs Schedules Rar ODE zone Summary View Alarms Print Setpoints P N 026 1002 UltraSite User s Guide Section 1 10 Status and Sum mary Screens P N 026 1002 UltraSite User s Guide Section 1 11 Alarm View EE Print Setpoints P N 026 1002 UltraSite User s Guide Section 1 6 1 Print Setpoints 7 1 Individual Zone Menu Screen ndividual zones may be set up or viewed using the Individual Zone menu options eee ERE ee jt LUltraSite H Chain Site BCU 1 Buildi Demand Control FHInputs me Option Reference Page Temperature Setpoints Section 7 1 2 Zone Temperature Setpoints Humidity Setpoints Section 7 1 3 Zone Humidity Setpoints Demand Shed Parameters Section 7 1 4 Demand Shed Parameters 46 Individual Zone Menu 026 1004 Rev 1 09 04 97 option Reference See P N 026 1002 UltraSite User s Guide Section 1 11 Alarm View Print Setpoints
49. ection 1 11 Alarm View Print Setpoints See P N 026 1002 UltraSite User s Guide Section 1 6 1 Print Set points Setup Section 6 1 8 Schedule Setup 43 Setup Instance Section 6 1 9 Setup Instance 45 UltraSite User s Guide BCU Supplement Schedules 39 6 1 1 BCU Normal Schedule BCU Normal Schedule Schedule 1 Operations Time Setpoints 1 1 2 Off 2 Sunday Monday 07 30 1z30 on 00 Tuesday 1 3 foo 00 Wednesday 07 30 12 30 0000 Thursday 07 30 1z30 o0 00 Friday 07 30 fi7 30 00 Saturday 02 30 12 30 Copy Days Send 6 1 1 1 Copy Days Copy Schedule Days X Copy Schedule From Copy Schedule To Sunday C Monday C Tuesday C Wednesday Thursday C Friday Saturday Sunday Monday Tuesday Wednesday Thursday Friday Saturday Cancel 40 Individual Schedule Menu Standard ON and OFF operation times for day to day business hours are defined at the BCU Nor mal Schedule dialog box Standard or Normal week schedules are the basic sched ules All other defined schedules take precedence over the normal week schedule Copy Days See Section 6 1 1 1 Copy Days ON and OFF operational times of one day of the week may be copied to another day within the specified schedule at the Copy Days dialog box Schedule
50. es Avg BCU Temps The Avg BCU Temps method cal culates the average of all space temperature values found This average value controls the zone Max BCU Temps The Max BCU Temps method determines the highest measurement from the space temperature sensors found This space temperature is used to control the zone e Min BCU Temps The Min BCU Temps method determines the lowest measurement from the space temperature sensors found This space temperature is used to control the zone Logging Interval 0 240 min 15 min The ARTC periodically records data and stores the infor mation in the ARTC Log The logging interval defines how often the data within each zone are recorded There is a limited amount of memory for logging therefore the smaller the logging interval the faster the logs will be over written 026 1004 Rev 1 09 04 97 1 Occupied Unoccupied Mode Auto Methods for determining when ARTC fans within a zone should run are entered in the Fan Occupied Mode and the Fan Unoccupied Mode fields Methods should be chosen based on the desired operation of the fan when the building is occupied or unoccupied Users may choose from the fol lowing methods e AUTO run fans when there is a stage of cool or a stage of heat running ON run the fans at all times e SUMM ON WINT AUTO run the fans at all times in the summer mode and run the fans when there is a stage of cool or a stage of heat in the winter
51. f precondition is selected for the occupied mode thirty minutes prior to the scheduled occupied time the ARTC will begin controlling HVAC functions based on current zone set points If the zone set point is reached within thirty minutes the next day it will make the switch at twenty eight minutes The ARTC will continue to reduce this Op timum Start duration until it finds the optimum start time If the ARTC cannot achieve occupied mode set points within thirty minutes it adds two minutes to the optimum start time each day If precondition is selected for the unoccupied mode fifteen minutes prior to the scheduled unoccupied time the ARTC will begin controlling HVAC functions based on the cur rent zone set points Optimum stop is default 15 minutes and may not be modified Zones Main Menu 51 7 1 7 Setup Instance m m users 5 55 zone re lated dialog boxes in succession When Setup Instance is chosen all dialog boxes related to zone setup appear in sequence This allows users to change a number of settings without having to select each dialog box individually from the system tree menu When a zone is created in UltraSite the Setup Instance sequence is initi ated automatically 52 Individual Zone Menu Setup Instance cycles through the dialog boxes in the fol lowing order Zone Setup see Section 7 1 6 Zone Temp Setpoints see Section 7 1 2 Zone Humidity Setpoints see Section 7 1 3
52. fter the dialout delay the dialout sequence begins If the remote line 15 busy or there is no answer the system will dial the first number six times waiting five minutes before each attempt until a connec tion is made If no connection is made the system will dial the second dialout phone number six times waiting five minutes before each attempt If there is still no connection the system will generate an additional alarm in the BCU Alarm Log Dial Out Unsuccessful Delay 0 255 min The dial out time delay is the amount of time in minutes the unit must wait before activating the call out sequence The delay allows an on site user to acknowledge the alarm be fore it is called out 0 min Device Setup Menu 5 1 5 Base Device Holiday 1 Schedule Base Device Holiday 1 Schedule BCU 1 CPC World Headquarters i 10 Start Date End Date 00 00 00 ii 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 Holiday 2 Dates 00700700 00700700 00 00 00 00700700 00700700 00700700 00700700 00700700 00700700 00700700 00700700 BCU 1 CPC World Headquarters ba F P e 10 6 Base Device Holiday 1 Schedule Start Date End Date 00700700 00700700 00700700 00700700 00700700 00700700 00700700 00700700 o0700700 00700700 00700700 00700700 Hepeat NE Repeat
53. he power company which represents a fixed number of watt hours The BCU uses the watt hour information to calculate akW value for use by the Demand Control algorithm Inputs Main Menu 21 3 1 8 Gain Offset Trim Gain 7 Offset Trim Input 1 DAT emp Formula Offset Gain Trim o Voltage x n 0 Send aur sensor mE IS adjusted at the Gain Offset Trim dialog box Offset 9999 9999 0 Offset is used to define the lower boundary of the range of input values that may be read by the sensor input module 3 1 9 Filter Setpoints Filter Setpoints i 5 uu ua mE the Combiner cell may be altered using the Filter Setpoints dialog box The Filter cell is used to limit the rate of change of the value leaving the Combiner cell The Filter cell should only be used by persons having prior experience setting up such cells 22 Input Modules Example if a humidity sensor supplies a 1 to 5 volt signal which represents a humidity range of 096 to 10046 the Off set value will be 1 1 volt 0 humidity Gain 999 999 1 0 Gain is used to define the upper boundary of the range of input values that may be read by the Sensor Input Module Example if a humidity sensor supplies a 1 to 5 volt signal which represents a humidity range of 0 to 100 the gain value will be 20 5 volts 20 100 humidity Trim 99 99 0
54. hile the Winter Econ method will be used in the winter see Section 1 1 System Configuration for information about setting up seasons Dewpoint Economization 0 99 F 0 Economization 15 the process of allowing outside air into the Rooftop Unit as a stage of cool to conserve energy When controlling economization using a dewpoint sensor the Dewpoint Economization set point is the maximum outside dewpoint at which economization is permitted Economization is disabled when the measured dewpoint exceeds the dewpoint set point by 2 026 1004 Rev 1 09 04 97 7 1 4 Demand Shed Parameters Disabled Demand Control settings for the selected zone are defined at the Demand Shed Parameters dialog box 1 16 or Disabled Disabled For each zone a load shed priority is defined Zones may be defined to load shed priority levels 1 16 Level one 1 is the lowest priority and loads within this level will be shed last Level 16 is the highest priority level and loads within Demand Priorit 7 1 5 1 Operations Alarm Limits Low High Space Temp Occupied ps es Unoccupied jo ps Supply Air Temp jo 5 Send To Alarm set points for space and supply tempera tures in each zone are defined at the Alarm Limits dialog box UltraSite User s Guide BCU Supplement Demand Shed Parameters this level will be shed first Load shedding is disabled if Disabled is selected from
55. in When the BCU generates an alarm or notice it must wait a specified period of time or time de lay before activating the alarm sequence 0 min Input The sensor input module name 15 a user defined name that corresponds to the sensor input module number defined at the Add New Input dialog box see P N 026 1002 Ultra Site User s Guide Section 1 5 7 Add New Enhanced RE FLECS only While the BCU uses various set points to determine the type and location of a particular sensor the module name provides a convenient easily recognized de scription of the sensor for the user The sensor input mod ule name may not be longer than 15 characters Type options Temp The sensor type is the specific type of sensor to be read by the Sensor Input Module There are 39 sensor types avail able The sensor type should be defined according to the physical input connected to the ARTC 16AI board Us ers may choose from the sensor types displayed in the fol lowing table Description 5 volts variable OutRH 5V Global outside relative humidity sensor input RH 5 volts variable InRH 5V Inside relative humidity sensor input RH 5 volts variable EcnIRHSV Global economization relative humidity sensor input RH 5 volts variable DhmIRH5V Global dehumidification relative humidity sensor input RH 5 volts variable RH 4MA Relative humidity sensor input RH 4 20mA OutRHAMA Global outside relative humidi
56. lve will close for a heating stage and open for a cooling stage An output relay ON will be activated when the ARTC board is on line Operated the same as an ECO output These outputs should be defined when performing economization with an analog economizer To activate the output select Analog Economizer from the Analog Out 1 and or 2 scroll options Analog economizer con 026 1004 Rev 1 09 04 97 trol parameters are defined at the Output Demand Shed Parameters dialog box see Section 4 1 6 Output De mand Shed Parameters and the RTC Analog Output Setup dialog box see Section 5 1 3 RTC Analog Out put Setup 5 1 3 HTC Analog Output Setup 1 Operations Analog Outputs Hin V V Output 1 o 10 Output 2 in 2 Use Minimum When economization is activated in a zone using an analog economizer the economizer will modu late based on the analog output set points defined at the RTC Analog Output Setup dialog box Min V and Max V 0 10V MinzO Maxz10 The ARTC modulates the damper by sending the appropri ate voltage to the analog economizer By default the output will modulate at 1 10 VDC Voltages should be defined based on the controlling motor of the economizer damper The ARTC will automatically send the appropriate voltage to the economizer according to the desired position of the damper 9 1 4 Setup RTC Setup UltraSite User s Guide B
57. m schedule the zone must re ceive a signal from an override source UltraSite User s Guide BCU Supplement BCU Temporary Schedule ON and OFF operation times for temporary or override schedules are defined at the BCU Tem porary Schedule dialog box Any of the 56 possible schedules may be bypassed using Schedule Overrides When activated schedule override settings bypass the normal system schedule for the defined period of time ON and OFF operation times for holiday sched ules are defined at the BCU Holiday schedule dia log box ON and OFF operation times for long holidays such as Christmas makeup the Holiday and Holiday 2 schedules When activated the holiday schedule takes precedence over both the standard week schedule and the alternate week schedules Type options Input The override source type is either an input sensor or digital output module defined under I O Control or it may be a schedule The following override source types determine if an override should be activated Sensor Input Command ICMD A digital value 15 sued by the Sensor Input Module as a final result of the interaction between the Hardware Interface Combiner Cut In Cut Out and Override cells Sensor Input Alarm ALRM A digital value issued by the Sensor Input Module as a final result of the Process Alarm cell This value is generated based on a digital or analog signal generated by the Combiner cell Digital Output Comma
58. mode Normal Schedule Sch NONE The ON and OFF operation times defined for the schedule selected in the Normal Schedule field will be used to con trol HVAC functions During ON operation times the ARTCs will control the zone using occupied mode set points During OFF operation times the ARTCs will con trol the zone using unoccupied mode set points Override Type options Input When activated zone overrides will bypass the normal sys tem schedule and the zone will operate in an occupied mode To override the normal system schedule the zone must receive a signal from an override source The override source type is either an input sensor or digital output mod ule defined under I O Control or it may be a schedule The following override source types determine if an override should be activated Sensor Input Command ICMD A digital value is sued by the Sensor Input Module as a final result of the interaction between the Hardware Interface Combiner Cut In Cut Out and Override cells Sensor Input Alarm ALRM A digital value issued by the Sensor Input Module as a final result of the Process Alarm cell This value is generated based on a digital or analog signal generated by the Combiner cell e Digital Output Command A digital value issued by the Digital Output Module as a final result of the interaction between the Demand Interface Schedule Interface Timer Combiner and Bypass cells Ultr
59. n 4 1 3 Output Logic see Section 4 1 4 Output Alarms see Section 4 1 5 Output Demand Shed Parameters see Section 4 1 6 026 1004 Rev 1 09 04 97 5 RTCs Main Menu Screen Ma From the RTC Main Menu users may view RTC summary information add new units print set NU LL points and view RTC related alarms AE eu Es FC Ultra Site chain 3 Site BCU 1 Building Control U Demand Control EHInputs Outputs Hecht Summary Add View Alarms Print Setpoints option 63 RTC Summary See P N 026 1002 UltraSite User s Guide Section 1 10 Status and Summary Screens Add New See P N 026 1002 UltraSite User s Guide Section 1 5 7 Add New 42 Enhanced REFLECS only See P N 026 1002 UltraSite User s Guide Section 1 11 Alarm View mE Print Setpoints See P N 026 1002 UltraSite User s Guide Section 1 6 1 Print Set points UltraSite User s Guide BCU Supplement RTCs Main Menu 31 5 1 Individual RTC Menu Screen Map om users may RTC status screens enter setup and set point da ig Des lep Seon ice m de ta and define demand control parameters I E Site BCU 1 Building Control Unit Demand Control inputs Status View Alarms Schedules Print Setpoint Log Inventory 10 Setup ATC Analog Output Setup ATC Setup ATC Demand Setup Setup Inst
60. n an input type is selected Users may choose from the auxiliary input types displayed in the table below Inside RH ma Table 3 Auxiliary Input Types UltraSite User s Guide BCU Supplement 4 20mA analog inside humidity sensor RTCs Main Menu 33 Outside RH 5 Inside Rh 5 Hum Stat Enth SW Light Level Digital Light Sensor Freeze Stat Smoke Det Filter Alm Temperature Override Switch Table 3 Auxiliary Input Types Outputs Yes No Heat Cool Y Economizer N The check boxes at the top of the Outputs section of the di alog box are for the first and second stages of heat the first and second stages of cool and the economizer To activate any of these predefined outputs enter a check in the appro priate box If a digital economizer output is not defined ECO digital economization within the area controlled by the specified ARTC is disabled Economization is performed with a dig ital or analog economizer depending on the type of econo Not used Cool 3 Cool 4 Heat 3 Heat 4 Fan 2 HP Reverse Cool Alarm 5 volt analog outside humidity sensor 5 volt analog inside humidity sensor Digital humidistat that measures the humidity and compares it to the set point defined within the sensor There is a contact closure when the humidity level falls below the set point Digital enthalpy switch that measures the enthalpy and compares it to the set point defined within the sensor The
61. n shed This duration is the Minimum On Time 4 1 7 Setup Instance users 5 55 um related dialog boxes in succession When Setup Instance is chosen all dialog boxes related to output module setup appear in sequence This allows users to change a number of settings without having to select each dialog box individually from the system tree menu When an output is created in UltraSite the Setup Instance sequence is initiated automatically 30 Output Modules Demand Input options None The value received from the demand input is compared to the demand shed values to determine if load shedding may take place for the specified digital output module Demand Shed Values From 00 00 23 59 NONE The value entered in the From field is the minimum shed value The specified digital output module will compare the value issued by the specified sensor input module and the minimum shed value If the sensor in put value is lower than the minimum shed value load shed will not occur To 00 00 23 59 NONE The value entered in the To field is the maximum shed value The specified digital output module will com pare the value issued by the specified sensor input module and the maximum shed value If the sensor in put value is higher than the maximum shed value load shed will not occur Setup Instance cycles through the dialog boxes in the fol lowing order Output Setup see Sectio
62. ncy Off Cmp2 Proof FAIL Restore Error Cmp3 Proof FAIL RTC Code FAIL Cmp4 Proof FAIL RTC Run Fail Air Flow FAIL Invalid Alarm Proof Failure POWER ALMS Curtailment On COMM ALMS Dialout Failed Curtailment Off Demand High SENS HI ALMS Occp Space HIGH SHUTDOWN ALMS Freeze ShutDown UnOc Space HIGH Smoke ShutDown High Supply Air HIGH SENS LO ALMS Occp Space LOW NETWORK ALMS Missed Token UnOc Space Low No Response Low Bad Message supply Air LOW Bad Checksum SENS FAIL ALMS Short Open MISC ALMS All Lights On Space Temp OPEN SHRT Open supply Air OPEN SHRT Closed Return Air OPEN SHRT FreezeStat Aux Input OPEN SHRT Smoke Detected Aux 2 Input OPEN SHRT Filter Dirty Table 1 Alarms Notices by Group 1 9 Makeup Air Makeup Air The makeup air strategy for a specified BCU is de fined at the Makeup Air dialog box The use of RTU economizers and fans to provide enough outside air to maintain positive pressure within a building or to overcome the negative pressure effects of building ex haust fans has a wide degree of variability For this reason the BCU makeup air strategy is configured completely with user defined set points and makes no predictions or as sumptions about when or how makeup air should be en abled For more information about the makeup air strategy see CPC s Building Control Unit Installation and Opera tional Manual PN 026 1105 Damper Offset 0 100 0 To provide the required amount of makeup air
63. nd A digital value issued by the Digital Output Module as a final result of the interaction between the Demand Interface Schedule Interface Timer Combiner and Bypass cells Proof Fail Command PROF A digital value 15 sued by the Digital Output Module as a final result Schedules 43 of the comparison of an actual proof value and a Instance Input None commanded output action If the source signals OFF the ARTC will continue to con Schedule SCHED An application independent trol the zone using normal system settings If the source of the Sensor Input and Digital Output Modules signals ON the ARTC will control the zone according to which is used to establish on and off times Sched the occupied mode set points An instance is the override ules are defined using Schedule Control in the BCU source defined in I O Control 44 Individual Schedule Menu 026 1004 Rev 1 09 04 97 6 1 9 Setup Instance Setup Instance allows users to access all sched ule related dialog boxes in succession When Setup Instance is chosen all dialog boxes related to schedule setup appear in sequence This allows users to change a number of settings without having to select each dialog box individually from the system tree menu When UltraSite User s Guide BCU Supplement a schedule is created in UltraSite the Setup Instance se quence 15 initiated automatically Setup Instance cycles through the dialog boxes in th
64. nge that is fixed at 10 degrees around the analog economization temperature set point Return Temp Control Yes No No By default most HVAC applications use the current space temperature as the controlling value Temperature readings are compared to the defined set points to determine if an HVAC application should be activated HVAC applications may also be controlled using the current return air temperature When Return Temp Control is selected the controlling value for HVAC applications changes from the space temperature value to the return air temperature value Makeup Air Yes No No When Makeup Air is selected the makeup air application within the ARTC is activated For more information about the Makeup Air Strategy see P N 026 1105 Building Control Unit Installation and Operation Manual 026 1004 Rev 0 10 15 96 Subheadings show the range of values that may be entered and the default values in brackets UltraSite User s Guide BCU Supplement BCU System Navigation 1 1 Device Setup Menu P Screen Map nrormation pertaining to operation UltraSite Tree View ration of the BCU including passwords remote File Logs System View Window Help communication settings and logging and alarm setup may be entered using the Device Setup UltraSite menu options 5 Site Demand Cont Unit Summary 1 Board
65. o the specified ARTC This average value controls the zone e Max RTC Temps The Max RTC Temps method 50 Individual Zone Menu determines the highest measurement from the space temperature sensors connected to the specified ARTC This space temperature is used to control the zone e Min RTC Temps The Min RTC Temps method determines the lowest measurement from the space temperature sensors connected to the specified ARTC This space temperature is used to control the zone The following three selections assume that there is more than one ARTC defined within the specified zone ARTC boards are assigned to zones at the RTC Zone Board Assignments dialog box see Section 1 2 RTC Zone Assignments Avg Zone Temps The Avg Zone Temps method cal culates the average space temperature from all ARTC space temperature sensors found in the speci fied zone This average value controls the zone Max Zone Temps The Max Zone Temps method determines the highest measurement from the ARTC space temperature sensors found in the specified zone This space temperature is used to control the zone e Min Zone Temps The Min Zone Temps method determines the lowest measurement from the ARTC space temperature sensors found in the specified zone This space temperature is used to control the zone The following three choices search for all ARTC boards in every zone connected to BCU and determines their as sociated space temperature valu
66. output modules de fined as lights There are two methods for resetting all lights to normal op eration after Lights On e Auto functions are automatically reset when the alarm condition no longer exists Lock functions must be reset manually The number of Input Output boards connected to the BCU is defined at the I O Boards dialog box Each Building Control Unit supports up to twelve 8RO Boards and up to six 16AI Boards 16Al version numbers are designated in the 16 Board Setup dialog box All versions of a 16AI Board may be used with BCU 2 0 However BCU 2 0 contains a new feature that only E 02 or higher 16AI boards will accept Therefore to interact prop erly with the connected 16AI boards the versions must be designated If a 16AI board is version E 02 or higher click the box next to the board number If the board is not E 02 or higher leave the box blank 026 1004 Rev 1 09 04 97 2 Demand Control Menu Screen Map Demand control status screens and setup dialog boxes may be accessed using the Demand Con Dg uM MEINE METUS trol Menu options Ultra Site El Chain Site BCU 1 Building Control Unit nputs TENE Control Summary i Outputs Setpoints RICs Alarm Setup Schedule View Alarms Print Setpoints Log Inventory e e Demand Control Summary See P N 026 1002 UltraSite User s Guide Section 1 10 Status and 63 Summ
67. p Air Fans When Makeup Air is disabled because the outside air temperature OAT is not within the range defined in the Outside Air Temperature Enable fields the BCU will fol low the strategy defined in the Makeup Fan Strategy field Three options are available 1 Disable Makeup Air Makeup air is disabled 2 MUA Fans On Fans will come on for make up air but the damper offset is set to zero 3 MUA Fans On When Occupied Strategy 2 is active only when the building is occu pied When unoccupied disable makeup air Alarm control within the BCU includes generating alarms or notices when specific sensor readings exceed HI and LO alarm set points or when there is a power failure to the sys tem The BCU will also activate all lights and turn off all HVAC functions if these specified alarms are selected Power Fail Alarm options Disable The BCU will generate an alarm when there is a power fail ure within the system Users may choose from two alarm types Notice A notice 15 a low level warning that alerts users of abnormal facility or control system condi tions A notice creates an entry in the BCU Alarm Log Alarm An alarm 15 a high level warning that also alerts users of abnormal facility or control system conditions An alarm will appear in the BCU Alarm Device Setup Menu 9 Log and may be accompanied by a contact closure for on site operation of a bell light horn etc An alarm may also initiat
68. pear 3 1 7 Input kW Input KW Input 1 DAT emp Analog 7 Signal voltages Hin 0 EW at Analog Maximum 0 Digital Watt Hours Pulse 0 KW settings required for demand monitoring defined at the Input kW dialog box The BCU may use either a kW transducer or a watt hour transducer to monitor demand Set points for kW should be defined according to the transducer used UltraSite User s Guide BCU Supplement Type Timed Fixed Timed e Timed A timed bypass overrides the input for a specified period of time e Fixed A fixed bypass overrides the input until the user returns to this dialog box and disables the by pass Bypasses are disabled when the status in the Command options box is returned to Normal Default Override Time 0 240 secs mins hrs 60 min The default override time is the specified period of time a timed bypass will be activated Analog Signal 0 6V OV kW transducers read the actual kW and send a voltage range defined by a minimum and maximum voltage kW of Analog Maximum 0 3200 kW 0 kW To correctly translate the voltage reading into a kW reading the BCU requires the kW reading when the maximum voltage is being supplied The BCU as sumes the minimum voltage represents a value of zero Digital Watt Hours Pulse 0 9999 kW 0 kW Watt hour transducers read a pulse supplied by t
69. r contact open for digital input sensors Open contact open for digital input sensors Closed contact closed for digital input sensors None a limit is not applied Inputs Main Menu 17 Delay 0 240 min When the BCU generates an alarm or notice it must wait the specified time delay before activat ing the alarm sequence Faulty Input Faulty sensor alarms or notices are generated when the BCU detects a short or an open circuit in an input connec tion When this feature is activated the BCU automatically looks for faulty readings 0 min 3 1 5 Input Setup Input 1 DATemp Type OutTemp Physical Input Additional Inputs Type 16 Control Method ONE r i 1 15 id 2 Logging Interval z 7 _ Type Instance Schedul Units chedule OK Send To selected Sensor Input Module 15 defined with in I O Control at the Input Setup dialog box Temperature input Global outside temperature input Inside temperature input Space temperature input Used for counting changes of state RH 5V Relative humidity sensor input RH Alarm Type options Disabled If the BCU detects an abnormal sensor reading it will generate either an alarm or a notice The faulty input alarm feature 15 active when Alarm Notice is selected as an Alarm Type The disable alarm type deactivates the faulty input alarm fea ture Delay 0 240 m
70. r 16AI configuration in addition to Level 1 actions 200 1s the default password for the level two password This password may be changed at any time to any six char acter string 026 1004 Rev 1 09 04 97 Level 3 Level three users have access to system setup setup chang es and access to the I O Host and Remote network Level three users may also view system settings reset BCU alarms change set points and make software designations for 16AI configuration in addition to Level 2 actions This password may be changed at any time to any six character string Level 4 Level four users have full access to all BCU functions 400 is the default password for the level four access This value may be changed at any time to any six character string 1 4 Communications Information Communications Information Unit Number 1 Port Settings Dial out Baud Rate Parity 20 Bitz Delay minutes Remote communication network settings are de fined at the Communications Information dialog box Unit Number 1 38 1 The unit ID number for each BCU 1s the number that Ultra Site uses to determine which BCU information is coming from if more than one BCU is being used to control the building No two BCUs may have the same ID number These numbers are defined at the Add Unit dialog box see Section 1 4 3 Add Unit Baud Rate 1200 9600
71. r 2nd tage If Fan2 is defined as an auxiliary output on the ARTC the fan is activated during the second stage of heat and during the second stage of cool When activated Fan 1 is deactivated and Fan 2 turns on Currently this operational mode is the only active mode for Fan 2 operation The other options available in the Fan 2 Operation Mode scroll options will become active in future versions of the BCU 30 Individual RTC Menu When a second stage of heat or cool is deactivated Fan 2 is deactivated and Fan 1 is reactivated However there is aten second delay for Fan 2 to spin down before Fan 1 starts This delay is hard coded in the BCU and cannot be modified Max Cools for Dehumidification 0 4 1 A maximum number of cooling stages used dng dehumidification may be defined to prevent the sp temperature from dropping too low If this set point is s to the default of One compressors two three and four will not be used during dehumidification ly Air Setpoint 0 99 0 Econ Su The Econ Supply Air Setpoint is the analog economization temperature set point When economization is activated in a zone using an analog economizer the economizer will modulate based on the supply air temperature These control temperatures are compared to the analog economization temperature set point to determine the position of the economizer damper The economizer damper will proportionally modulate based on the throttling ra
72. rd or rotary dials on the ARTC The number en tered in the Board field is used in conjunction with the Type above to locate the sensor to be used by the Sen sor Input Module If the Type is a virtual input no board number is required Each input sensor is connected to a specific point on an input communication board On the 16AI board the point numbers are printed on the board above the input connections On the ARTC is point 1 and AUX2 is point 2 Because virtual inputs are not phys ically connected to any input communication board no point number is required If a pulse input type is connected to a 16AI board with software older than version E 02 it must be connected to point one 1 In addition the network dip switch rocker number eight on the 16AI board must be con figured ON or in the up position Logging Interval 0 255 secs mins hrs 5 min The BCU periodically records the values received from the defined input sensors and stores the information in the In put Log The Logging Interval defines when the data re ceived from the sensor inputs are recorded Units The BCU reads a signal from a sensor and compares the signal to the sensor type to determine the correct analog value Therefore units of measure are not important to the BCU As a convenience to the user a Units field 1s provid ed so that analog values displayed on the BCU screen are easily interpreted Additional Inputs Control Method option
73. re is a contact closure when the enthalpy level falls below the set point Analog light sensor that measures light in foot candles Digital light sensor that measures light and generates contact closure when the light level reaches a defined level Digital sensor that measures the temperature of the evaporator coil and gives a dry contact closure when the temperature is at or below freezing mizer installed at the Rooftop Unit Analog economizers are defined as either the AOI or AO2 analog outputs on the ARTC Aux Out 1 Aux Out 2 options Not Used There are also two auxiliary output connections on an ARTC There are 13 available auxiliary output types These outputs are activated when an output type is selected Users may choose from the auxiliary output types dis played in the table below Heat pump reversing valve closed cool If a heat pump is used the reversing valve will close for a cooling stage and open for a heating stage An output relay will be activated when any RTC Alarm is generated This relay will return to the normal position when the alarm condition is deactivated Humidity HP Reverse Heat Failsafe Economizer Shadow Table 4 Auxiliary Output Types Analog Out 1 Analog Out 2 options Not Used There are two analog output connections on an ARTC 34 Individual RTC Menu An output for a humidifier Heat pump reversing valve closed heat If a heat pump is used the reversing va
74. returns to this dialog box and disables the by pass Bypasses are disabled when the status in the Command options box is returned to Normal 026 1004 Rev 1 09 04 97 3 1 3 Input Setpoints Input Setpoints Input 1 DAT emp Occupied 5 etpoints Delays Units on CLOSED 0 Secs OPEN 7 0 Secs Unoccupied 5 etpoints Delays Units on 105 0 fo Secs 7 og OPEN v o Secs OK Input set points or control parameters are de fined at the Input Setpoints dialog box 3 1 4 Input Sensor Alarms Input 1 DAT emp Input Sensor Alarms Occupied Low High Delay Notice 0 Alam NONE NONE 0 Unoccupied Low High Delay Notice NONE NONE o Alam NN L rcc T Faulty Input Alarm Type D isabled xl Delap 0 Send To Alarm control settings for input sensors are de fined at the Input Sensor Alarms dialog box Alarm Control within the BCU includes the generation of alarms or notices when specific control values exceed HI and LO alarm set points When the current input sensor reading exceeds the user defined HI and LO alarm set points an alarm or notice will be generated UltraSite User s Guide BCU Supplement Occupied Unoccupied Setpoints 999 999 OPEN or CLOSED OnzCLOSED Off OPEN Input sensor set points are the cut in and cut out values
75. rnate 2 Schedule Start Date End Date Repeat 00700700 00700700 00700700 00700700 00700700 00700700 00700700 00700700 1 8 Alarm Filtering Alarm Filtering UltraSite User s Guide BCU Supplement Alternate schedules are activated by date at the Base Device Alternate Schedules dialog box Start Date End Date 01 01 00 12 31 99 00 00 00 Alternate schedules are activated according to the specified dates in the Start Date and End Date fields If no ending date is entered the schedule will end at midnight the next day If the current date is entered as a start date the sched ule is activated immediately Repeat Yes No No Alternate schedules that are the same from year to year are repeated if the repeat box is selected for the specified schedule In the Alarm Filtering dialog box users may choose the alarm groups that will go to the 485 Alarm Panel Alarms and notices are defined by filter group in Table 1 The Send to 485 Alarm Panel screen allows for defini tion of which alarms and notices will be sent to the 485 Alarm Panel All alarms default as YES and are sent to the 485 panel unless they are set so that the controller does not send an alarm group Device Setup Menu 7 Alarm Filtering Group Alarm Notice Alarm Filtering Group Alarm Notice Messages Messages SYSTEM ALMS Setpts Corrupt PROOF ALMS Proof FAIL Emerge
76. s One The control method determines how to combine the values from multiple sensor input modules This com bined or control value is then compared to defined set points and commands to determine the operational sta tus of an output Users may choose from the following six control methods For Analog Sensors ONE The primary sensor value is the control value 20 Input Modules AVG The BCU calculates the control value using the average temperature of one or more sensors MAX The BCU calculates the control value using the maximum temperature value of one or more sen 5015 MIN The BCU calculates the control value using the minimum temperature value of one or more sen 5015 For Digital Sensor AND If the input sensor reads open and if all of the defined combiner inputs read open an input com mand value of ON will be generated Otherwise an input command value of OFF will be generated e OR If the input sensor reads open and if one or more of the combiner inputs read open an input command value of ON will be generated Otherwise an input command value of OFF will be generated Up to three sensor input modules may be combined with the current input module Occupancy Tvpe options Schedule The occupancy type is the command type of an input or output module or a schedule that will be used to es tablish the occupied mode for the selected sensor input module The following command types
77. s a valid dewpoint sensor reading the reading is compared to the zone dehu midification set point to determine the dehumidification status Dehumifidication RH 0 100 55 UnO 65 The dehumidification RH is the zone dehumidification set point defined when monitoring humidity using a rela tive humidity percentage reading After the ARTC finds a valid relative humidity sensor reading the reading is com pared to the zone dehumidification set point to determine the dehumidification status Humidification 0 100 Occ 30 UnO 0 The Humidification percentages are the percentages set for humidification when controlling humidity with an auxilia ry output defined as a humidifier This humidifier will be activated when the actual humidity level drops below the humidification set points Deadband 0 10 4 The dead band is a value equally above and below the de humidification set point within which the humidity level is 48 Individual Zone Menu considered to be acceptable The ARTC will not activate a stage of dehumidification until the dead band is exceeded Minimum Temperature 0 99 70 To prevent the space temperature within the zone from be coming too cold the minimum temperature for using cool ing stages during dehumidification may be defined If the zone space temperature reading drops below this set point dehumidification is disabled Econ Lockout Temperature 99 99
78. s an over ride and replaces the normal system settings with an OFF command The specified output will be deacti vated Type Timed Fixed Timed Users may choose from the following bypass types when Bypass On or Off is selected from the command options Timed A timed bypass overrides the normal output command value for a specified period of time Fixed A fixed bypass overrides the normal output command value until the user returns to this dialog box and disables the bypass Bypasses are disabled when the status in the Command options box is re turned to Normal 026 1004 Rev 1 09 04 97 4 1 3 Output Setup Output Setup Output 1 Eng 1 Output Type Lights Physical Output SAO Board Point IB Pulse Timer Default o Timer Units Default Override Time 30 Each digital output module within I O Control is defined at the Output Setup dialog box Output Name The digital output module name 15 a user defined name that corresponds to the digital output module number While the BCU uses various set points to determine the type and location of a particular output the module name provides a convenient easily recognized description of the output for the user Output Type Lights Output Output The output type is the specific type of output to be con trolled by the digital output module The output type may b
79. settings defined for one day of the week are cop ied to another day of the week at the Copy Days dialog box Select only those days that have identical requirements 026 1004 Rev 1 09 04 97 6 1 2 Alternate 1 Schedule Alternate 1 Schedule Schedule 1 Operations Time Setpoints 1 1 2 Off 2 Sunday 000 Monday Tuesday Wednesday 00 00 00 00 ooo 0000 Thursday Friday Saturday Copy Days Send 6 1 3 Alternate 2 Schedule Alternate 2 Schedule Schedule 1 Operations Time Setpoints 1 Off 1 On Off 2 Sunday Monday Tuesday Wednesday 00 00 00 00 ooo 00 00 Thursday 00 00 00 00 00 00 00 00 Friday 00 00 00 00 00 00 00 00 Saturday 00 00 00 00 00 00 00 00 Copy Days Send To UltraSite User s Guide BCU Supplement ON and OFF operation times for Alternate Week 1 schedules are defined at the Alternate 1 Schedule dialog box Alternate Weeks are used to plan for known hours person nel will be in the store apart from standard business hours When activated alternate week schedules take precedence over the standard week schedule Copy Days See Section 6 1 1 1 Copy Days ON an
80. tandard business hours When activated alternate week schedules take precedence over the standard week schedule Copy Days See Section 6 1 1 1 Copy Days ON and OFF operation times for Alternate Week 4 schedules are defined at the Alternate 4 Schedule dialog box Alternate Weeks are used to plan for known hours person nel will be in the store apart from standard business hours When activated alternate week schedules take precedence over the standard week schedule Copy Days See Section 6 1 1 1 Copy Days 026 1004 Rev 1 09 04 97 6 1 6 BCU Temporary Schedule Schedule 1 Operations 1 1 2 Set Time 00 00 00 00 00 00 00 00 Duration 0 days 6 1 7 BCU Holiday Schedule BCU Holiday Schedule Schedule 1 Operations 1 1 2 Off 2 Holiday 1 00 00 00 00 00 00 00 00 Holiday 2 00 00 00 00 00 00 00 00 Send To 6 1 8 Schedule Setup Schedule Setup Instance Input 3 Operations Input Send Schedule overrides are defined at the Schedule Setup dialog box When activated by selecting Active in the scroll options at the top of the dialog box schedule overrides will bypass the normal system schedule settings and all zones con trolled by the schedule will operate in an occupied mode To override the normal syste
81. the Demand Priority scroll op tions Max Min Shed Temperature 0 99 F 0 The values entered in the Max and Min Shed Temperature fields are the minimum and maximum shed values When the space temperature falls below or exceeds these set points the call for load shed is disabled This prevents the space temperature in the zone from becoming too high or too low Maximum Off 0 240 min 0 min The maximum off time limits the duration of load shed within a specified zone When activated the call for load shed is disabled after load shedding has been active for the specified time Maximum On Time 0 240 min 0 min To prevent repetitive load shed activation the maximum on time is set When the BCU calls for a load to be shed in a zone the ARTC may not shed that load again until the load has been out of shed for the Maximum On time Space Temp Occupied Low High 0 99 Low 55 Highz85 9 When the measured reading from the space temp sen sor falls below the low set point or rises above the high set point during occupied hours an alarm is sent to the Alarm Log and if installed the 485 Alarm Panel Unoccupied Low High 0 99 F Low 40 High 99 When the measured reading from the space temp sen sor falls below the low set point or rises above the high set point during unoccupied hours an alarm is sent to the Alarm Log and if installed the 485 Alarm Panel Supply Air Temp 0
82. tion of the 485 Alarm Annunciator Panel Notice creates an entry an alarm log and initiates no other signal A disabled option is available if no alarms or notices are to be generated Demand Control Menu 13 3 Inputs Main Menu m um m mm um summary screens and alarms may be viewed new modules may be added and set points may be printed Screen Ma tu File Tree Logs System View window c Ultra Site i Chain Site BCU 1 Building Contro Demand Control 0 Input Summary E Add New View Alarms Print 5 Options Input Summary See P N 026 1002 UltraSite User s Guide Section 1 10 Status and Summary Screens Add New See P N 026 1002 UltraSite User s Guide Section 1 5 7 Add New Enhanced REFLECS only See P N 026 1002 UltraSite User s Guide Section 1 11 Alarm View See P N 026 1002 UltraSite User s Guide Section 1 6 1 Print Set points 3 1 mE mm modules may be configured bypassed overrid den and given load shed parameters I O Control provides a way of customizing the BCU by in terconnecting control objects to create modules that pro Input Modules 14 Input Modules T vide custom applications to control special building functions I O control objects include analog and digital sensor inputs and outputs connected to the 16AI 8RO and auxiliary inputs on the ART
83. ty sensor input RH 4 20 InRHAMA Inside relative humidity sensor input RH 46 4 20mA Table 2 Available Input Types Global Inputs Virtual Inputs Sheet of 2 18 Input Modules 026 1004 Rev 1 09 04 97 EcnIRH4MA Global economization relative humidity sensor input RH 4 20mA DhmIRHAMA Global dehumidification relative humidity sensor input RH 4 20mA Inside dewpoint temperature sensor input DewptOut RefrLeak KwAnalog KwDigitl Lite Lev Linear CPC SW Digital Proof Momentary MonOnOrv ShutDown Lites On Curtail AirMakUp Enth SW HumiStat lite Dig Demand Alarm Occupancy Hr Chime Reads a change of state to determine fixed or timed override Table 2 Available Input Types Global Inputs Virtual Inputs Sheet 2 of 2 Alarm sequences are available for all input types defined in I O Control However some input types require an alarm sequence in order to function properly These input types are ShutDown Lites On and Curtail If any of these input types are used in I O Control an associated alarm sequence must be defined at the Input Sensor Alarms dialog box see Section 3 1 4 Input Sensor Alarms When a contact closure is detected within an input defined as ShutDown Lites On or Curtail the BCU activates these override functions regardless of any other control settings ShutDown input contact closure will deactivate all HVAC loads Lites On input contact closure will
84. ue created as a result of the logical combination of these input and or output module or schedule commands may now be combined with a final input and or output module or schedule to create a final output control value The method used to combine the Logic and Schedule val ues may be any of the methods listed below Logic Only The ON or OFF sensor input command received from the Logic output module is used as the normal output command value Sched Only The user defined occupancy command within the Schedule Interface output module is used as the normal output command value 026 1004 Rev 1 09 04 97 Both ON Both OFF the result of the logic calcula tions and the occupancy command must both be ON to activate the output both OFF to deactivate the out put Both ON Sched OFF Both the occupancy com mand and the result of the logic calculations must be ON to activate the output however if the occupancy command is OFF the output 15 deactivated Sched ON Both OFF If the occupancy command is ON the output is activated but both the logic calcu lation and the occupancy command must be OFF to deactivate the output Both ON Either OFF Both the occupancy com mand and logic calculation must be ON to activate the output but either can be OFF to the output 4 1 5 Output Alarms Output 1 Eng 1 Proof Alarm Type Delay Notice 180 Send To Proof fail alarms are defined the Output Alarms
85. ulate based on the sup ply air temperature These control temperatures are com pared to the analog economization temperature set point to determine the position of the economizer damper The economizer damper will proportionally modulate based on the throttling range that is fixed at 10 F around the analog economization temperature set point Return Temp Control Yes No No By default most HV AC applications use the current space temperature as the controlling value Temperature readings are compared to the defined set points to determine if an HVAC application should be activated HV AC applica 5 1 5 HTC Demand Setup RTC Demand Setup LI 36 Individual RTC Menu tions may also be controlled using the current return air temperature When Return Temp Control is selected the controlling val ue for HVAC applications changes from the space temper ature value to the return air temperature value Makeup Air Yes No No When Makeup Air is selected the makeup air application within the ARTC is activated For more information about the Makeup Air Strategy see CPC s Building Control Unit Installation and Operational Manual PN 026 1105 Enable Low Supply Temp Lockout Yes No No To activate Temp Cool Lockout this box must be checked Once Lockout Enable is set to Yes mechanical cooling stages may be prevented from engaging when the supply air temperature is too low Locko
86. um un Bypass dialog box Command options Normal Users may choose from the following three status com mands 16 Input Modules The Input Status screen displays the current sta tus of the selected input The Input Status screen displays real time information about the selected unit or controller Icon buttons and pull down menus provide the necessary options to select graph ing data graph the selected data view other input status screens view the Input Summary screen and view the Unit Summary screen Icon buttons and pull down menus found on summary and status screens are described in P N 026 1002 UltraSite User s Guide Section 1 10 Status and Summary Screens Normal The normal status is the normal operation mode for the selected input The input will operate according to normal system settings Bypass On The bypass on status initiates an over ride and replaces the normal system settings with an ON command The specified input will then read ON Bypass Off The bypass off status initiates an over ride and replaces the normal system settings with an OFF command The specified input will then read OFF Type Timed Fixed Timed 0 min Users may choose from the following bypass types when Bypass On or Off is selected from the command options Timed A timed bypass overrides the input for a specified period of time Fixed A fixed bypass overrides the input until the user
87. unit for display move the cursor to the temperature unit field and select the appropriate unit using the pulldown menu If the system is changed to display temperatures in Centi grade all defaults will be displayed in Centigrade ARTC boards are assigned to specified zones at the RTC Zone Assignment dialog box Each ARTC board connected to a BCU has a correspond ing user defined board number that is used for identifica tion purposes within the network The board number for each ARTC is determined by the network rotary switch set tings defined during installation For more information about ARTC board numbers and zone management refer to the P N 026 1105 CPC Build ing Control Unit Installation and Operation Manual The BCU system requires a user name and password for us ers to enter into and modify the system Four user names may be assigned within each access level Each user name may be no more than seven characters and the defined name will appear in the BCU Alarm Log if the Record Lo gins option is chosen in the System Configuration dialog box There are four levels of access to the BCU Level 1 Level one users may only view system settings and reset alarms 100 is the default password for the level one pass word This password may be changed at any time to any six character string Level 2 Level two users may view the system settings reset alarms in the BCU change set points and make software designa tions fo
88. ut Setpt 0 99 F 0 F The Lockout set point is the lowest allowable temperature below which the RTC s cooling stages may be locked out Lockout Throttling Range 4 30 F 10 When the throttling range is set the BCU will look at the supply air temperature to see if the supply air temperature is below the supply air setpoint If the supply air tempera ture is below the supply air set point plus half of the throt tling range no additional compressors will be allowed to stage on because the supply temperature is within the mod ulating range of the economizer During this lockout no compressors that were previously running will be shut off After the supply temperature rises above the lockout set point plus half of the throttling range the additional com pressors may be allowed to come on if the BCU calls for them The demand shed program and curtailment pro gram is defined at the RTC Demand Setup dialog box kW 0 240 kW 0 kW Along with the information required in the Define Shed Pa rameters dialog box see Section 4 1 6 Output Demand Shed Parameters the BCU must know the k WH rating for any load that will be used in a demand shed program The kWH rating for any load is available on the unit data plate The BCU uses this information to shed loads when the maximum kWH limit is approached thus guaranteeing that the maximum kilowatt rate is not exceeded Leaving this setting at zero excludes the selected

UltraSite User`s Guide BCU Supplement

Contents

Download Pdf Manuals

Related Search

Related Contents