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Automated Logic RC642, Technical Instructions

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Automated Logic RC642 Technical Instructions Download Page 78

 

 

74 

   

 

 

 

 

Typical layout with analog heating and cooling:

 

 

T

AI - Zone temp
AI - Zone setpoint adjust
BI - Zone override

T

T

BI - Freezestat

(optional)

AI - Discharge air temp

(optional)

BI - Smoke detector

(optional)

M

CT

BO - Fan start/stop

BI - Fan status

(optional)

AO - Cooling valve

AO - Heating valve

CHWR   CHWS

HWS   HWR

HW

CHW

 

   
  
  

Typical layout with staged heating and cooling:

 

 

T

AI - Zone temp
AI - Zone setpoint adjust

BI - Zone override

RA

DA

T

BI - Freezestat

(optional)

DX

BO - Cooling stage 1
BO - Cooling stage 2

Elec

BO - Heating stage 1
BO - Heating stage 2

M

CT

BI - Fan status

(optional)
BO - Fan start/stop

SF

T

AI - Discharge air temp

(optional)

BI - Smoke detector

(optional)

  

  

#10:  Fan coil unit - intermittent fan, modulated or 2-stage cooling and heating 

Control schematics 

Summary of Contents for RC642

Page 1: ...that you have the most current version of this document Go to http accounts automatedlogic com then select Support Download Documents Technical Instructions Room Controller Technical Instructions Rev 7 13 2011 ...

Page 2: ...or power 8 To address the Room Controller 9 Wiring for communications with a controller network 10 Wiring specifications 10 To wire the Room Controller to the controller network 10 Wiring an RS room sensor to the Room Controller 11 Rnet wiring specifications 11 To wire an RS room sensor to the Room Controller 12 Wiring inputs and outputs 13 Wiring specifications 13 To wire inputs and outputs 13 To...

Page 3: ... format 37 To set up schedules 37 Troubleshooting a stand alone Room Controller 38 LED s 38 Serial number 39 Replacing the battery in a stand alone Room Controller 39 Compliance 40 FCC Compliance 40 CE Compliance 40 BACnet Compliance 40 Appendix A Room Controller diagram 41 Appendix B Built in control programs in a stand alone Room Controller 42 1 100 outside air unit 43 Control schematics 43 Poin...

Page 4: ...age or modulated cooling 2 stage or modulated heating 70 Control schematics 70 Point list 71 Sequence of operation 71 10 Fan coil unit intermittent fan modulated or 2 stage cooling and heating 74 Control schematics 74 Point list 75 Sequence of operation 75 11 Fan coil unit heat controlled fan modulated or 2 stage cooling and heating 78 Control schematics 78 Point list 79 Sequence of operation 79 1...

Page 5: ...lt in X Custom X X Set schedules On Room Controller X In WebCTRL X The display model contains 12 built in control programs from which you can choose Use a built in control program only in a stand alone Room Controller See To select a built in control program page 31 for a description of the control programs See Creating a custom control program page 6 Stand alone Room Controllers can be integrated...

Page 6: ...munication co processor Memory 512 kB non volatile battery backed RAM 1 MB Flash memory 16 bit memory bus Real time clock Battery backed real time clock keeps track of time in event of power failure Battery 7 year Lithium BR2330 battery provides a minimum of 10 000 hours of data retention during power outages Protection Incoming power and network connections are protected by non replaceable intern...

Page 7: ...schedule and turns equipment on for a defined period of time The override time added for each push of the button and the maximum allowable On time are software adjustable The Room Controller can perform pulse counting for dry contact or voltage inputs if you assign the input to a Pulse to Analog Input microblock See To assign inputs or outputs to points page 17 NOTE The Room Controller has a built...

Page 8: ...p accounts automatedlogic com A laptop running Virtual BACview an application that simulates the BACview6 Virtual BACview is included with WebCTRL v4 or later To use the above with Built in control programs See Appendix C Editing properties in built in control programs page 86 Custom control programs You must 1 Create a BACview screen file in ViewBuilder 2 Enter the screen file name in the Room Co...

Page 9: ...ust the setpoint is defined in the Max Adjust field in the microblock s properties MANUAL ON Override the schedule and set the zone to occupied Press MANUAL ON once to override the schedule for the amount of time defined in the Each pulse field in the microblock s properties Press the button again to incrementally increase the time For example if the Each pulse field is set at five minutes press t...

Page 10: ...l program must have Heating Heating is occurring Network Binary Output microblock Address is rcd temp heating Cooling Cooling is occurring Network Binary Output microblock Address is rcd temp cooling The fan is on A number below the fan icon indicates fan speed Network Analog Output microblock Address is rcd temp fanspeed If input wire is The display shows 0 1 2 3 4 Other than 0 4 No fan icon Fan ...

Page 11: ...tructions for the method that applies to your Room Controller installation METHOD A Installing a Room Controller in a WebCTRL system page 8 METHOD B Installing a stand alone Room Controller page 28 Using this document ...

Page 12: ...nction boxes 4 After you connect the power page 8 communication page 10 and input output page 13 wiring to the Room Controller attach its cover and circuit board to the mounted backplate 5 Turn the setscrew one full turn counterclockwise so that the cover cannot be removed CAUTIONS The Room Controller is powered by a Class 2 power source Take appropriate isolation measures when mounting it in a co...

Page 13: ...e Room Controller an address that is unique on the network You can address the Room Controller before or after you wire it for power 1 If wired for power remove power from the Room Controller The Room Controller reads the address each time you turn it on 2 Using the rotary switches set the address to match the Address in the Room Controller s Device Properties dialog box in SiteBuilder Set the 10 ...

Page 14: ...ARC156 Wiring Technical Instructions http accounts automatedlogic com download 2 See the MS TP Networking and Wiring Technical Instructions http accounts automatedlogic com download 1 Remove power from the Room Controller 2 Check the communications wiring for shorts and grounds 3 Connect the communications wiring to the Room Controller s screw terminals labeled Net Net and Shield Net Net Shield 9 ...

Page 15: ...f RS room sensors RC642 1 RS Plus RS Pro or RS Pro F 1 3 RS Standards 1 3 RS Standards and 1 RS Plus RS Pro or RS Pro F RC642D 1 4 RS Standards See the following sections for wiring instructions For other details see the RS Room Sensors Technical Instructions http accounts automatedlogic com NOTE Use the specified type of wire and cable for maximum signal integrity Description 4 conductor shielded...

Page 16: ... cable s Do not nick the inner insulation 3 Inner insulation Outer jacket Foil shield 25 in 6 cm 4 Strip about 25 inch 6 cm of the inner insulation from each wire 5 Wire each terminal on the Room Controller s Rnet port to the terminal of the same name on the RS room sensor NOTE If using shielded wire connect the shield wire and the ground wire to the Gnd terminal Wire to Rnet Rnet Ground Rnet 12V ...

Page 17: ...er the following Total loop distance from the power supply to the controller and then to the controlled device NOTE Include the total distance of actual wire For 2 conductor wires this is twice the cable length Acceptable voltage drop in the wire from the controller to the controlled device Resistance Ohms of the chosen wire gauge Maximum current Amps the controlled device requires to operate 1 Ve...

Page 18: ...t V Gnd Out V n c Out Out V Gnd 0 5 Vdc 0 5 Vdc 0 5 Vdc 4 Set the UI 3 and UI 4 jumpers If Is used for Then Input 3 Dry contact Put on UI 3 Jumper 0 5 Vdc Remove UI 3 Jumper Input 4 Dry contact Put on UI 4 Jumper 0 5 Vdc Remove UI 4 Jumper 5 Connect the digital output wiring to the screw terminals on the Room Controller and to the controlled device 24 Vac Motor Valve Any DO Any DO 24 Vac in Com Co...

Page 19: ... switches 5 and 6 as needed To have the Room Controller s default screen show Set DIP switch 5 to Time On Temp Off To show temperatures as Set DIP switch 6 to Fahrenheit Off Celsius On 3 Apply power to the Room Controller NOTE The Fahrenheit Celsius setting affects only the display The control program uses the units that were set up in the control program To set display options for a networked RC6...

Page 20: ...ipment controlled by the Room Controller will shut down and restart when you download You download the controller from WebCTRL If your network is complete you can download from any network browser If not complete connect a laptop with a local copy of the system database to the Room Controller s local access port See To communicate through the local access port page 23 1 On WebCTRL s NET tree selec...

Page 21: ...put s operation lock each output to a known condition on the I O Points tab then verify that the equipment operates correctly Input I O Type Sensor Actuator Type Min Max Analog BAI 0 5 Vdc 0 5 Volt Linear Full Range Engineering values associated with 0 Vdc Min and 5 Vdc Max 1 Thermistor Thermistor Select your Thermistor type or set up and select a Non Linear Custom Table2 N A Pulse to Analog BPTA ...

Page 22: ... signal is 100 the Room Controller output is 10 Vdc Similarly when the PID signal is 50 the Room Controller output is 5 Vdc Resolution is not particular to a type of input or output but the driver handles analog and digital binary inputs and outputs differently To set these values appropriately you should understand how the driver uses them Resolution Notes Analog Input BAI The driver truncates th...

Page 23: ...ity determines the microblock s present value when no signal is received from the equipment When no signal is received from the equipment if Polarity is set to normal present value is off reversed present value is on Digital Binary Output BBO Polarity determines the Room Controller s output based on the control program s signal to the microblock When the control program s signal to the microblock ...

Page 24: ... is greater than this field s value the controller s time is immediately changed If the difference is less than this field s value the controller s time is slowly adjusted until the time is correct BACnet COV Throttling Enable COV Throttling Under normal circumstances COV Throttling should be enabled to prevent excessive network traffic if an object s COV Increment is set too low See EXCEPTION bel...

Page 25: ...rities for Alarms and Events Priority range Network message priority 00 63 Life Safety 64 127 Critical Equipment 128 191 Urgent 192 255 Normal Priority of Off Normal BACnet priority for Alarms Priority of Fault BACnet priority for Fault messages Priority of Normal BACnet priority for Return to normal messages Ack Required for Off Normal Fault and Normal Requires a controller acknowledgement for ea...

Page 26: ...ive COV Low Battery Alarm NOTE To set up alarm actions for controller generated alarms see Setting up alarm actions in WebCTRL Help Module Generated Alarm Description Short message shown on WebCTRL s Alarm page or in an alarm action when this type of alarm is generated Events Alarm Category and Alarm Template See Customizing alarms in WebCTRL Help Enable Clear these checkboxes to disable Alarm or ...

Page 27: ... a USB port A USB Link Kit See the USB Link Kit Technical Instructions http accounts automatedlogic com download NOTE The USB Link Kit driver is installed with WebCTRL v5 But if needed you can get the latest driver from http accounts automatedlogic com download Install the driver before you connect the USB Link Kit to your computer v2 09 320 or later controller driver Room Controller is set for ne...

Page 28: ...ect Start Control Panel System Hardware Device Manager Ports Com LPT The COM port number is beside CP210x USB to UART Bridge Controller 6 Set the Baud rate to 115200 7 Click OK 8 On the View tab click the drop down arrow next to your device s network Connection then select BACnet Local Access 9 Click OK 10 On the Configure tab select BACnet Local Access then click Start NOTE If WebCTRL displays an...

Page 29: ...to 0 0 3 Put the Format jumper on 4 Apply power to the Room Controller 5 When the Error LED stops flashing and turns on remove the Format jumper Format jumper Error LED 9 8 7 654 3 2 1 0 9 8 7 654 3 2 1 0 1 2 3 4 5 6 7 8 O N 6 Download the Room Controller The LED s on the Room Controller show the status of certain functions Error LED Run LED Power LED 9 8 7 654 3 2 1 0 9 8 7 654 3 2 1 0 1 2 3 4 5 ...

Page 30: ...lashes per second 1 flash per second The controller is alone on the network 2 flashes per second On Exec halted after frequent system errors or control programs halted 5 flashes per second On Exec start up aborted Boot is running 5 flashes per second Off Firmware transfer in progress Boot is running 7 flashes per second 7 flashes per second alternating with Run LED Ten second recovery period after...

Page 31: ... of 10 000 hours of data retention during power outages If the Room Controller sends a Low Battery alarm to WebCTRL the Room Controller must be sent to ALC for battery replacement Request an RMA on the Dealer website http accounts automatedlogic com If needed for troubleshooting or start up you can prevent WebCTRL Server from communicating with the Room Controller 1 Select the Room Controller in W...

Page 32: ...es 4 After you connect the power page 8 and input output page 13 wiring to the Room Controller and select a control program page 31 attach the cover and circuit board to the mounted backplate 5 Turn the setscrew one full turn counterclockwise so that the cover cannot be removed CAUTIONS The Room Controller is powered by a Class 2 power source Take appropriate isolation measures when mounting it in...

Page 33: ...tor into the back of the Room Controller 7 Verify that the Power LED is on and the Run LED is blinking Input wiring Input Maximum length Minimum gauge Shielding Thermistor Dry contact 1000 feet 305 meters 22 AWG Shielded 0 5 Vdc 1000 feet 305 meters 26 AWG Shielded Output wiring To size output wiring consider the following Total loop distance from the power supply to the controller and then to the...

Page 34: ...ol program s point list in Appendix B page 42 to determine which input and output numbers to use Analog Output 1 Analog Output 2 Digital Output 1 Digital Output 2 Digital Output 3 Digital Output 4 Digital Output 5 Digital Output 6 Input 1 Input 2 Input 3 Input 4 Ground Ground UI 3 Jumper UI 4 Jumper 9 8 7 654 3 2 1 0 9 8 7 654 3 2 1 0 1 2 3 4 5 6 7 8 O N 4 Set the UI 3 and UI 4 jumpers If Is used ...

Page 35: ...1 0 1 2 3 4 5 6 7 8 O N 10 s 1 s 5 Apply power to the Room Controller 6 Verify that the Room Controller displays the zone temperature 7 Remove the Format jumper To use this control program With these features Set the rotary switches to 100 outside air unit Scheduled operation Freeze protection optional Requires sensor Smoke detection optional Requires sensor Single speed fan Modulating chilled wat...

Page 36: ... operation Freeze protection optional Requires sensor Single speed fan 2 stage compressor 2 stage supplemental heat Economizer zone temp control with fixed min OA Outdoor air temp Requires sensor if OA dampers are to operate as an economizer Otherwise they will open fully when the zone is occupied Discharge temperature control optional Requires sensor NOTE This control program is identical to 02 a...

Page 37: ... stage cooling and heating Scheduled operation Freeze protection optional Requires sensor Smoke detection optional Requires sensor Single or 2 speed fan Modulating chilled water valve analog OR Modulating hot water valve analog 2 stage cooling OR Fan status monitor optional Requires sensor 2 stage heating Discharge temperature limit control optional Requires sensor 07 Fan coil unit 3 speed fan 2 s...

Page 38: ...quires sensor Smoke detection optional Requires sensor Single speed fan Cycles on and off with heating or cooling Modulating chilled water valve analog OR Modulating hot water valve analog 2 stage cooling OR Fan status monitor optional Requires sensor 2 stage heating Discharge temperature limit control optional Requires sensor 10 Fan coil unit heat controlled fan modulated or 2 stage cooling and h...

Page 39: ...e power from the Room Controller 2 Set the Room Controller s rotary switches to an address greater than 12 to prevent selection of a built in control program 3 Set DIP switch 8 to off 4 Remove the Format jumper 5 Apply power to the Room Controller 6 Open SiteBuilder add a Room Controller to a system with the same address that you set in step 2 above then attach the custom control program to the Ro...

Page 40: ... DIP switch 8 to On 14 Cycle the Room Controller s power off then on again 1 Remove power from the Room Controller 2 Set DIP switches 5 and 6 as needed To have the Room Controller s default screen show Set DIP switch 5 to Time On Temp Off To show temperatures as Set DIP switch 6 to Fahrenheit Off Celsius On 3 Apply power to the Room Controller NOTE The Fahrenheit Celsius setting affects only the d...

Page 41: ...splay shows the item whose format you want to change then hold down the TIME button 2 While holding down the button tap or to select a different format An occupied schedule defines when the HVAC equipment is to use the occupied setpoint and an unoccupied schedule defines when it is to use the unoccupied setpoint You can set up occupied and unoccupied schedules for the following Schedule No For 1 2...

Page 42: ... 654 3 2 1 0 9 8 7 654 3 2 1 0 1 2 3 4 5 6 7 8 O N If the Power LED is on the Room Controller has power The Run and Error LED s indicate controller and network status If Run LED shows And Error LED shows Status is 2 flashes per second Off Normal 2 flashes per second 2 flashes alternating with Run LED Five minute auto restart delay after system error 2 flashes per second 3 flashes then off The cont...

Page 43: ...rn the Room Controller off then on Format the Room Controller Download the Room Controller Replace the Room Controller If you need the Room Controller s serial number when troubleshooting the number is on a sticker on the back of the main controller board The Room Controller s 7 year Lithium BR2330 battery provides a minimum of 10 000 hours of data retention during power outages If the Room Contro...

Page 44: ... in which case the user will be required to correct the interference at his own expense CAUTION Changes or modifications not expressly approved by the responsible party for compliance could void the user s authority to operate the equipment WARNING This is a Class A product In a domestic environment this product may cause radio interference in which case the user may be required to take adequate m...

Page 45: ...nd Ground UI 3 Jumper Stand alone Network UI 4 Jumper 9 8 7 654 3 2 1 0 9 8 7 654 3 2 1 0 1 2 3 4 5 6 7 8 O N Format jumper 10 s 1 s Net Net Shield Rnet terminals Rnet Ground Rnet 12V Power terminals ARC156 or MS TP terminals Error LED Run LED Power LED 24 Vac Com Celsius Fahrenheit Time Temp MS TP MS TP Baud ARC156 9600 19200 38400 76800 Appendix A Room Controller diagram ...

Page 46: ...an modulated or 2 stage cooling and heating page 62 8 Fan coil unit 3 speed fan 2 stage or modulated cooling 1 stage or modulated heating page 66 9 Fan coil unit 3 speed fan 1 stage or modulated cooling 2 stage or modulated heating page 70 10 Fan coil unit intermittent fan modulated or 2 stage cooling and heating page 74 11 Fan coil unit heat controlled fan modulated to 2 stage cooling and heating...

Page 47: ... valve AO Cooling valve CHWS CHWR HWR HWS SF Starter CHW HW S N C Typical layout with staged heating and cooling T AI Zone temp AI Zone setpoint adjust BI Zone override OA DA DX BO Cooling stage 1 BO Cooling stage 2 Elec BO Heating stage 1 BO Heating stage 2 M CT BO Supply fan start stop BI Supply fan status optional SF Starter T T BI Freezestat optional AI Discharge air temp optional BI Smoke det...

Page 48: ...tart stop X DO 3 G Relay output Heating stage 1 X DO 4 W1 Optional Use this output OR Heating stage 2 hot water valve X DO 5 W2 Optional Use this output if 2 stage heating is present Outside air damper X DO 6 Relay output Chilled water valve X AO 1 Optional 0 10 Vdc Use this output OR Hot water valve staged cooling X AO 2 Optional 0 10 Vdc Use this output OR staged heating Run conditions scheduled...

Page 49: ...nit shuts down when it receives a smoke detector status Outside air damper The outside air damper opens when the unit runs and closes when the unit stops Supply Fan The supply fan runs when the unit runs To prevent short cycling the supply fan has a 3 minute minimum runtime unless safeties shut it down When the fan turns off it remains off for a minimum of 30 seconds for restarting The fan runs fo...

Page 50: ...e zone temperature and turns on the first and second stage heating if available as needed to maintain the heating setpoint A 5 minute delay between stages prevents short cycling and each stage has a 1 minute minimum on time and a 1 minute minute minimum off time If hot water heating is used the Room Controller measures the zone temperature and modulates the heating analog output to maintain the he...

Page 51: ...r temp optional Hardware Points Point Name AI BI BO AO I O Comments Zone temp X Internal Zone setpoint adjust X Internal Zone override X Internal Outdoor air temp X UI 1 Optional Requires sensor Type II thermistor NOTE Short input to ground if not used Discharge air temp X UI 2 Optional Requires sensor Type II thermistor Freezestat X UI 3 Optional Requires sensor dry contact Compressor stage 1 X D...

Page 52: ... adjustable cooling setpoint and a 55 F 13 C adjustable heating setpoint Zone setpoint adjust The occupant can adjust the heating and cooling setpoints at the zone sensor Zone unoccupied override The occupant can press a button to override the schedule and place the unit in occupied mode for 30 minutes Each additional press of the button adds 30 minutes to a maximum of 90 minutes When the override...

Page 53: ...mpressor turns off for 30 seconds after the reversing valve changes position Supplemental heating stages The Room Controller measures the zone temperature and stages the heating to maintain heating setpoint if the compressors do not meet the heating demand A 5 minute delay between stages prevents short cycling and each stage has a 1 minute minimum on time and a 1 minute minute minimum off time The...

Page 54: ...side air dampers optional Used in place of Economizer when no outside air temperature sensor is present The outside air dampers open fully when The fan is running and The room is occupied The Room Controller closes the dampers completely when The fan is not running or The room is unoccupied or The freezestat is on The discharge temperature limit control if present limits the damper position if the...

Page 55: ...r temp optional Hardware Points Point Name AI BI BO AO I O Comments Zone temp X Internal Zone setpoint adjust X Internal Zone override X Internal Outdoor air temp X UI 1 Optional Requires sensor Type II thermistor NOTE Short input to ground if not used Discharge air temp X UI 2 Optional Requires sensor Type II thermistor Freezestat X UI 3 Optional Requires sensor dry contact Compressor stage 1 X D...

Page 56: ... adjustable cooling setpoint and a 55 F 13 C adjustable heating setpoint Zone setpoint adjust The occupant can adjust the heating and cooling setpoints at the zone sensor Zone unoccupied override The occupant can press a button to override the schedule and place the unit in occupied mode for 30 minutes Each additional press of the button adds 30 minutes to a maximum of 90 minutes When the override...

Page 57: ...mpressor turns off for 30 seconds after the reversing valve changes position Supplemental heating stages The Room Controller measures the zone temperature and stages the heating to maintain heating setpoint if the compressors do not meet the heating demand A 5 minute delay between stages prevents short cycling and each stage has a 1 minute minimum on time and a 1 minute minute minimum off time The...

Page 58: ...side air dampers optional Used in place of Economizer when no outside air temperature sensor is present The outside air dampers open fully when The fan is running and The room is occupied The Room Controller closes the dampers completely when The fan is not running or The room is unoccupied or The freezestat is on The discharge temperature limit control if present limits the damper position if the...

Page 59: ...nal Discharge air temp X UI 2 Optional Requires sensor Type II thermistor Fan status X UI 4 Optional Dry contact NOTE Short input to ground if not used Compressor stage 1 X DO 1 Y1 Relay output Compressor stage 2 X DO 2 Y2 Relay output Fan start stop X DO 3 G Relay output Supplemental heat stage 1 X DO 4 W1 Optional Relay output Supplemental heat stage 2 X DO 5 W2 Optional Relay output Reversing v...

Page 60: ...ng or cooling outputs as follows Mode Discharge Temperature Capacity Limit Heating 110 F 43 C 0 100 F 38 C 100 Cooling 48 F 9 C 100 40 F 4 5 C 0 Fan The fan runs any time the unit is providing heating or cooling The timed local override control will override this fan control forcing the fan to run for the duration of the override time optional To ensure the coils are not active when there is no ai...

Page 61: ... Controller measures the zone temperature and stages the heating to maintain heating setpoint if the compressors do not meet the heating demand A 5 minute delay between stages prevents short cycling and each stage has a 1 minute minimum on time and a 1 minute minute minimum off time The heating is enabled when The heat pump has been running both stages in the heat mode for at least 5 minutes or Th...

Page 62: ...nal Discharge air temp X UI 2 Optional Requires sensor Type II thermistor Fan status X UI 4 Optional Dry contact NOTE Short input to ground if not used Compressor stage 1 X DO 1 Y1 Relay output Compressor stage 2 X DO 2 Y2 Relay output Fan start stop X DO 3 G Relay output Supplemental heat stage 1 X DO 4 W1 Optional Relay output Supplemental heat stage 2 X DO 5 W2 Optional Relay output Reversing v...

Page 63: ...ng or cooling outputs as follows Mode Discharge Temperature Capacity Limit Heating 110 F 43 C 0 100 F 38 C 100 Cooling 48 F 9 C 100 40 F 4 5 C 0 Fan The fan runs any time the unit is providing heating or cooling The timed local override control will override this fan control forcing the fan to run for the duration of the override time optional To ensure the coils are not active when there is no ai...

Page 64: ... Controller measures the zone temperature and stages the heating to maintain heating setpoint if the compressors do not meet the heating demand A 5 minute delay between stages prevents short cycling and each stage has a 1 minute minimum on time and a 1 minute minute minimum off time The heating is enabled when The heat pump has been running both stages in the heat mode for at least 5 minutes or Th...

Page 65: ...10 Vdc analog output Run conditions scheduled User defined schedules determine when the unit runs in Occupied Mode The unit maintains a 70 F 21 C adjustable heating setpoint Unoccupied Mode night setback The unit maintains a 55 F 13 C adjustable heating setpoint Hot water valve The Room Controller measures the zone temperature and modulates the heating coil valve to maintain heating setpoint Heati...

Page 66: ...AO Heating valve CHWR CHWS HWS HWR HW CHW Typical layout with staged heating and cooling T AI Zone temp AI Zone setpoint adjust BI Zone override RA DA T BI Freezestat optional DX BO Cooling stage 1 BO Cooling stage 2 Elec BO Heating stage 1 BO Heating stage 2 M CT BI Fan status optional BO Fan low speed SF T AI Discharge air temp optional BI Smoke detector optional BO Fan high speed optional 7 Fan...

Page 67: ...3 G Relay output Heating stage 1 X DO 4 W1 Optional Use this output OR Heating stage 2 hot water valve X DO 5 W2 Optional Use this output if 2 stage heating is present Fan high speed X DO 6 Connect this output to DO 3 if using a single speed fan Chilled water valve X AO 1 Optional 0 10 Vdc Use this output OR Hot water valve staged cooling X AO 2 Optional 0 10 Vdc Use this output OR staged heating ...

Page 68: ...atus Fan The fan runs when the unit runs unless safeties stop the fan The fan runs at Low speed when the zone temperature is within setpoints High speed when the zone temperature is outside of setpoints The fan runs for 5 minutes after the heating or cooling coils go inactive to cool or dry the coils If using a single speed fan the fan runs when the unit runs regardless of temperature Fan status o...

Page 69: ...ilable as needed to maintain the heating setpoint A 5 minute delay between stages prevents short cycling and each stage has a 1 minute minimum on time and a 1 minute minute minimum off time If hot water heating is used the Room Controller measures the zone temperature and modulates the heating analog output to maintain the heating setpoint The heating analog output opens to 100 when the freezestat...

Page 70: ... AO Heating valve CHWR CHWS HWS HWR HW CHW Typical layout with staged heating and cooling T AI Zone temp AI Zone setpoint adjust BI Zone override RA DA T BI Freezestat optional DX BO Cooling stage 1 BO Cooling stage 2 Elec BO Heating stage 1 M CT BI Fan status optional BO Fan low speed SF T AI Discharge air temp optional BI Smoke detector optional BO Fan medium speed BO Fan high speed 8 Fan coil u...

Page 71: ... 2 stage cooling is present Heating stage 1 X DO 4 W1 Optional Use this output OR Fan speed 1 hot water valve X DO 3 G Relay output Fan speed 2 X DO 6 Relay output Fan speed 3 X DO 5 W2 Relay output Chilled water valve X AO 1 Optional 0 10 Vdc Use this output OR Hot water valve staged cooling X AO 2 Optional 0 10 Vdc Use this output OR staged heating Run conditions scheduled User defined schedules...

Page 72: ...tional The unit shuts down when it receives a smoke detector status Fan The fan runs when the unit runs unless safeties stop the fan The fan runs at Low speed when the zone temperature is within setpoints Medium speed when the zone temperature is outside the setpoints by no more than 2 F 1 C High speed when the zone temperature is more than 2 F 1 C outside of setpoints The fan runs for 5 minutes a...

Page 73: ...ged heating is used the Room Controller measures the zone temperature and turns on the heating as needed to maintain the heating setpoint To prevent short cycling the heating stage has a 1 minute minimum runtime If hot water heating is used the Room Controller measures the zone temperature and modulates the heating analog output to maintain the heating setpoint The heating analog output opens to 1...

Page 74: ...g valve CHWR CHWS HWS HWR HW CHW Typical layout with staged heating and cooling T AI Zone temp AI Zone setpoint adjust BI Zone override RA DA T BI Freezestat optional DX BO Cooling stage 1 BO Cooling stage 2 Elec BO Heating stage 1 BO Heating stage 2 M CT BI Fan status optional BO Fan low speed SF T AI Discharge air temp optional BI Smoke detector optional BO Fan medium speed BO Fan high speed 9 F...

Page 75: ... Heating stage 2 hot water valve X DO 5 W2 Optional Use this output if 2 stage heating is present Fan speed 1 X DO 3 G Relay output Fan speed 2 X DO 6 Relay output Fan speed 3 X DO 2 Y2 Relay output Chilled water valve X AO 1 Optional 0 10 Vdc Use this output OR Hot water valve staged cooling X AO 2 Optional 0 10 Vdc Use this output OR staged heating Run conditions scheduled User defined schedules...

Page 76: ...ives a smoke detector status Fan The fan runs when the unit runs unless safeties stop the fan The fan runs at Low speed when the zone temperature is within setpoints Medium speed when the zone temperature is outside the setpoints by no more than 2 F 1 C High speed when the zone temperature is more than 2 F 1 C outside of setpoints The fan runs for 5 minutes after the heating or cooling coils go in...

Page 77: ...ilable as needed to maintain the heating setpoint A 5 minute delay between stages prevents short cycling and each stage has a 1 minute minimum on time and a 1 minute minute minimum off time If hot water heating is used the Room Controller measures the zone temperature and modulates the heating analog output to maintain the heating setpoint The heating analog output opens to 100 when the freezestat...

Page 78: ...Heating valve CHWR CHWS HWS HWR HW CHW Typical layout with staged heating and cooling T AI Zone temp AI Zone setpoint adjust BI Zone override RA DA T BI Freezestat optional DX BO Cooling stage 1 BO Cooling stage 2 Elec BO Heating stage 1 BO Heating stage 2 M CT BI Fan status optional BO Fan start stop SF T AI Discharge air temp optional BI Smoke detector optional 10 Fan coil unit intermittent fan ...

Page 79: ...cooling is present Fan start stop X DO 3 G Relay output Heating stage 1 X DO 4 W1 Optional Use this output OR Heating stage 2 hot water valve X DO 5 W2 Optional Use this output if 2 stage heating is present Chilled water valve X AO 1 Optional 0 10 Vdc Use this output OR Hot water valve staged cooling X AO 2 Optional 0 10 Vdc Use this output OR staged heating Run conditions scheduled User defined s...

Page 80: ... the unit is providing heating or cooling The timed local override control will override this fan control forcing the fan to run for the duration of the override time optional To ensure the coils are not active when there is no airflow the fan starts 1 minute before heating or cooling is enabled and runs for 5 minutes after heating or cooling turns off Fan status optional The Room Controller monit...

Page 81: ... heating setpoint A 5 minute delay between stages prevents short cycling and each stage has a 1 minute minimum on time and a 1 minute minute minimum off time If hot water heating is used the Room Controller measures the zone temperature and modulates the heating analog output to maintain the heating setpoint The heating analog output opens to 100 when the freezestat is on Heating is enabled when T...

Page 82: ...ating valve CHWR CHWS HWS HWR HW CHW Typical layout with staged heating and cooling T AI Zone temp AI Zone setpoint adjust BI Zone override RA DA T BI Freezestat optional DX BO Cooling stage 1 BO Cooling stage 2 Elec BO Heating stage 1 BO Heating stage 2 M CT BI Fan status optional BO Fan start stop SF T AI Discharge air temp optional BI Smoke detector optional 11 Fan coil unit heat controlled fan...

Page 83: ...esent Fan start stop X DO 3 G Relay output used in cooling mode only Heating stage 1 X DO 4 W1 Optional Use this output OR Heating stage 2 hot water valve X DO 5 W2 Optional Use this output if 2 stage heating is present Chilled water valve X AO 1 Optional 0 10 Vdc Use this output OR Hot water valve staged cooling X AO 2 Optional 0 10 Vdc Use this output OR staged heating Run conditions scheduled U...

Page 84: ...controller does not control the fan in heating mode and the fan output DO3 G is off Fan operation in heating mode is controlled by third party controls on the heating equipment The timed local override control will override this fan control forcing the fan to run for the duration of the override time optional To ensure the coils are not active when there is no airflow the fan starts one minute bef...

Page 85: ...ilable as needed to maintain the heating setpoint A 5 minute delay between stages prevents short cycling and each stage has a 1 minute minimum on time and a 1 minute minute minimum off time If hot water heating is used the Room Controller measures the zone temperature and modulates the heating analog output to maintain the heating setpoint The heating analog output opens to 100 when the freezestat...

Page 86: ...t optional AI Outside air temp optional AO Heating valve HWR HWS HW T Typical layout with staged heating and cooling N C N O M M AO Mixed air dampers OA DA M BO Fan low speed BO Fan high speed optional AI Discharge air temp optional DX BO Cooling stage 1 BO Cooling stage 2 T AI Zone temp AI Zone setpoint adjust BI Zone override T T BI Freezestat optional AI Outside air temp optional Elec BO Heatin...

Page 87: ...is output OR Heating stage 2 hot water valve X DO 5 W2 Optional Use this output if 2 stage heating is present Fan second speed X DO 6 Connect this output to DO 3 if using a single speed fan Mixed air dampers X AO 1 0 10 Vdc Hot water valve X AO 2 Optional 0 10 Vdc Use this output OR staged heating Run conditions scheduled User defined schedules determine when the unit runs in Occupied Mode The uni...

Page 88: ...an runs for 5 minutes after the heating or cooling coils go inactive to cool or dry the coils If using a single speed fan the fan runs when the unit runs regardless of temperature Cooling The Room Controller measures the zone temperature and stages the cooling to maintain cooling setpoint A 5 minute delay between stages prevents short cycling and each stage has a 2 minute minimum on time and a 4 m...

Page 89: ... at least 3 F 1 5 C less than the zone temperature and The outside air temperature is less than 70 F 21 C and Heating is not on The outside air dampers close when the unit is off If the unit operates in the unoccupied mode the economizer operates as described in the occupied mode except that the outside air damper minimum position is 0 open Two position outside air dampers optional Used in place o...

Page 90: ...trol program using the rotary switches the appropriate built in BACview screens are also selected NOTES Edited values are stored in the Room Controller s memory The properties will return to their default settings if you do either of the following Format the Room Controller Remove power and the battery from the Room Controller Disconnect the BACview immediately after editing the properties The BAC...

Page 91: ...View Zone temperature Heating and cooling output Setpts Adjust the heating and cooling setpoints PID Adjust the PID gains Misc Adjust heating and cooling limits Adjust minimum outside air damper position Change reversing valve action Clockset Adjust the Room Controller s real time clock To change a property 1 Use the arrow keys to highlight the property value you want to edit 2 Press ENTER 3 Press...

Page 92: ...o edit another property in this same screen repeat steps 1 through 4 6 Press the OK softkey to save all changes to the screen NOTE Pound signs indicate that a value has too many digits to display in the existing field ...

Page 93: ...ing 12 Unit ventilator Used in control program Properties Units Default 1 2 3 4 5 6 7 8 9 10 11 12 Setpoints Unocc Clg Setpt Deg 85 X X X X X X X X X X X X Occ Clg Setpt Deg 74 X X X X X X X X X X X X Occ Htg Setpt Deg 70 X X X X X X X X X X X X Unocc Htg Setpt Deg 55 X X X X X X X X X X X X Color Band Width Deg 2 X X X X X X X X X X X X Color Hysteresis Deg 0 5 X X X X X X X X X X X X PID Htg P G...

Page 94: ...X X X X Configure Heating display text AO or BO X X X X X X X X X X X X Configure Cooling display text AO or BO X X X X X X X X X X X Temp Sensor Calibration Offset Deg 0 X X X X X X X X X X X X The minimum time the PID output will take to increase from 0 100 or to decrease from 100 0 Within the PID deadband the integral value remains fixed and the loop operates on proportional control only The he...

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