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KMC Controls FlexStat BAC-12 Series, Operation Manual

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KMC Controls FlexStat BAC-12 Series Operation Manual Download Page 2

FlexStat 

2 

Operation Guide, Rev. L

System Setup .....................................................23
Trend Viewer .....................................................24

Resetting the FlexStat ............................................24

Types of Reset ....................................................24
Warm and Cold Starts .......................................24
Restore Factory .................................................25

Network Connection .............................................26

MS/TP Network Communication ......................26
IP/Ethernet Network Communication ...............26
PC Data Port Connection ..................................26

Maintenance .........................................................27
Firmware Upgrade ................................................27
Programming (Custom) .........................................27
Accessories ...........................................................27
Troubleshooting ....................................................28

Alarm Issues ......................................................28

Alarm, (False) Fan Fail ....................................28
Alarm, (False) Low Limit (Freeze Stat) ............28
Alarm, (False) Space Temp. or Humidity ........28

Communication Issues ......................................28

Ethernet/IP Network Communication Issues ..28
KMD-5576 (Data Port) Communication Issues 28
MS/TP Network Communication Issues .........28

Cover, Display, and Reset Issues ........................29

Cover Binds on Backplate ..............................29
Display Is Blank (or Erratic) ...........................29
Display Freezes (Buttons Have No Effect) ......29
Display Keeps Resetting .................................29
“SYSTEM ERROR” Is Displayed ......................29

Custom Programming and Web Issues ...............30

Control Basic Programs Do Not Work ............30
Custom Web Graphics Do Not Work .............30

Input, Sensor, and Value Issues ..........................30

CO

2

 Level Value Is Frozen or Is 0 ...................30

CO

2

 and DCV Sequences Are Not Working ....30

CO

2

 Level Is “Too High” .................................30

DCV Menu Is not Visible ................................31
Input Values Are Outside the Expected Range 31
Motion/Occupancy Sensor Does Not Work ...31
Temperature Reading Is Incorrect ..................31
Temperature Setpoint Is Not Maintained .......32
Time and/or Date Are Incorrect .....................32

Output, Fan, and Relay Issues ...........................33

Analog Output Does Not Work ......................33
Fan Does Not Run ..........................................33
Relay (External) Does Not Work ....................33

Upgrading Firmware Issues ...............................34

Firmware Upgrade Failures ............................34
Relay (Internal) Does Not Work .....................34
FlexStat Malfunctions After Upgrade .............35

Wiring Issues .....................................................36

Installation Wiring Considerations .................36
Troubleshooting Wiring Problems ..................36

Support .................................................................37
Important Notices .................................................37
Reference ..............................................................38

Acronyms and Abbreviations .............................38
Definitions of Terms ..........................................39

Index .....................................................................40

Summary of Contents for FlexStat BAC-12 Series

Page 1: ... 9 Sensor Setup 9 Staging Setup 9 Valve Setup 9 Advanced CB Control Basic Programs 10 Advanced CO2 Sensor and DCV 10 CO2 Sensor Setup and Information 10 CO2 Sensor Calibration 11 DCV Demand Control Ventilation Setup 12 Advanced Communications BACnet 14 Advanced Date Time 15 Advanced BACnet Device Properties 16 Advanced Inputs 16 Advanced Temp Setpoint Limits 16 Advanced PID Loop Configuration 17 A...

Page 2: ...lay Keeps Resetting 29 SYSTEM ERROR Is Displayed 29 Custom Programming and Web Issues 30 Control Basic Programs Do Not Work 30 Custom Web Graphics Do Not Work 30 Input Sensor and Value Issues 30 CO2 Level Value Is Frozen or Is 0 30 CO2 and DCV Sequences Are Not Working 30 CO2 Level Is Too High 30 DCV Menu Is not Visible 31 Input Values Are Outside the Expected Range 31 Motion Occupancy Sensor Does...

Page 3: ...le Backplate for Easy Wiring Applications The award winning KMC FlexStat series of intelli gent temperature humidity occupancy sensing wall mounted thermostat controllers are native BACnet Advanced Application Controllers B AAC for use in a BACnet system The FlexStat simplifies net worked zone control for common packaged HVAC equipment such as packaged rooftop units fan coil units heat pumps and o...

Page 4: ... Left arrow button Press Up or Down to get to the desired line and then Enter twice to edit the mode setting Press Left to exit to Home Main Menu and Settings From the Home temperature display screen press the Right arrow button to enter the Main Menu You may need to enter a password to change any settings Room Temp Setpoint Adjustment From the Home temperature display screen press the Up or Down ...

Page 5: ...ge in whole degree increments by default and Celsius values change in 0 5 increments Changing the default No to Yes will show tenths of a degree values for both scales This does not affect setpoint adjustments which are always in whole degree increments for Fahrenheit and half degree increments for Celsius WED 11 19 3 22 PM COOL OCC FAN HUM 37 RH When Display Blanking is enabled the display turns ...

Page 6: ... MODEL BAC 141136CE FW FLEXSTAT R1 3 0 0 APP AIR HANDLER OPT MOD H MOD C MORE MORE ABOUT COMMUNICATION FIRMWARE HARDWARE UPTIME 28D 00 32 57 These display only screens show the following information on various menus select MORE and then the relevant category to see them all Model number Firmware FW type and version see Firmware Upgrade on page 27 Application configuration and options set in the Ap...

Page 7: ...gured NOTE In Hospitality mode only the F C temperature scale can be toggled by pressing the Enter button See Advanced User Interface UI Modes on page 19 The type of application as well as the model of FlexStat affects the context sensitive options under Additional Setup Auxiliary Heat Heat Pump Only Setup AUX HEAT SETUP AUX HEAT DELAY MINS 60 COMP LOCKOUT Damper Setup DAMPER SETUP ECON DCV ADVANC...

Page 8: ...lt The normal setpoint is restored when motion is detected twice to reduce false detec tions within three minutes NOTE Occupancy standby when activated lets the temperature go down or up according to the relevant mode by the Offset amount 3 by default not the Setback setting in the Setpoints menu which usually has a larger temperature differential meant for a longer off time NOTE When the Advanced...

Page 9: ...MP The Input 7 sensor AI7 can be configured for a remote space temperature sensor Then space temperature can be configured for onboard internal AI1 remote AI7 averaging of the two the lowest reading or the highest reading To calibrate and change the thermistor type see Advanced Inputs on page 16 The Input 2 sensor AI2 can be configured for discharge air temperature DAT and Type III thermistor is t...

Page 10: ...in Control Basic program 1 5 is not running or has auto run disabled See About the FlexStat on page 6 NOTE Customized programs are the responsibility of the user KMC Controls does not provide support for such programs Advanced CO2 Sensor and DCV CO2 SENSOR SENSOR INFO CALIBRATION CO2 SENSOR INFO MODEL T6615 SUB VOL A15 SW DATE 090217 S N AB00011759 CO2 873 ELEVATION 0 STATUS NORMAL CO2 CALIBRATION...

Page 11: ...he cover 3 Carefully pull the cover away from the backplate mounting base 4 Attach the adapter plate with attached power cable for the CO2 FlexStat from the HTO 1103 FlexStat Firmware Flash Upgrade Kit to the back of the cover 5 Remove the protective rubber cap from the power adaptor cable s two pins and insert the pins into the 24 VAC power section Com and on lower right of the wall mounted termi...

Page 12: ... economizer selected DCV will not appear in any menus but the Advanced CO2 Sensor menu will remain and the CO2 ppm readings will still show on the display NOTE An alarm is generated when the CO2 level is too high for too long See Alarms on page 21 NOTE The various Outside Air OA settings available are the percentage that the OA damper is open and not the percentage of OA flow These settings should...

Page 13: ...or OA AREA OA FULL OA MAX and OA PURGE The required airflows for these four positions are determined by ASHRAE 62 1 2007 section 6 2 6 2 A technician balancer uses this menu to set specific damper positions and measure the resulting airflows The damper positions are then correlated to the required airflows One hour after the setup mode is activated it will return to the default AUTO setting or it ...

Page 14: ...s 1 Up Down to move among entries 2 Enter to select 3 Right Left to move among value fields 4 Restart the FlexStat for the new protocol to become Active See the Device menu NOTE Even if MS TP is the only option in firmware R2 0 0 6 and later Configure must first be selected before any of the values can be changed Otherwise the values are read only Only one protocol can be enabled at any time The I...

Page 15: ...fect powered up FlexStats during non DST periods e g most of November through February If the time has erroneously advanced one hour after an initial time synch command the easiest solution is to simply send a second time synch command This will correct the device time Alternately the hour can be changed in the FlexStat s menu If the FlexStat is used in a BACnet network with UTC Coordinated Univer...

Page 16: ...FFSET 0 0 OUT OF SERVICE FALSE SENSOR 10K TYPE III Inputs vary according to model selected application and selected application options See Advanced Ap plication and Additional Setup on page 7 To change sensor type and calibration offset press 1 Up Down to move among entries 2 Enter to select 3 Right Left to move among value fields 4 Up Down to increment decrement value Value will show a temperatu...

Page 17: ...when the current Administrator log in has timed out Log ins last until 60 seconds default after the last button press Desired length of inactivity time out can be changed in the Systems submenu NOTE When setting a password the Up button increases the alphanumeric value 0 through 9 and then A through Z The Down button decreases the value DO NOT FORGET THE ADMIN PASSWORD Advanced PID Loop Configurat...

Page 18: ...x This chart shows conditions in which an administrator password is set is not 0000 and default password levels are used Advanced Test TEST LCD KEY TEST The test menu merely tests the display s pixels and key functions 1 Up Down to move among entries 2 Enter to select and exit To enter an alphanumeric password at the prompt 1 Up Down to move 2 Enter to select 3 Up Down to increment decrement value...

Page 19: ...nds hundredths of seconds and BACstage would show 60000 hundredths of seconds instead The trend log buffer may be viewed by scrolling down and selecting View Log Buffer The buffer may also be viewed from the Main Menu by scrolling down to the Trend Viewer see page 24 Advanced User Interface UI Modes USER INTERFACE MODE ROTATION VALUES SHOW TEMP TENTHS NO STANDARD USER INTERFACE MODE ROTATION VALUE...

Page 20: ...he display change in whole degree increments by default and Celsius values change in 0 5 increments Changing the default No to Yes will show tenths of a degree values for both scales This does not affect setpoint adjustments which are always in whole degree increments for Fahrenheit and half degree increments for Celsius For Hospitality mode Setpoint Control configuration options are Single Setpoi...

Page 21: ...d for the economizer option After a low limit alarm is generated the fan will not run until after the FlexStat is restarted See Restart under Resetting the FlexStat on page 24 See also Damper Setup on page 7 CO2 Alarm carbon dioxide level is higher than 1 050 ppm or lower than 300 ppm indicating a sensor error for more than 450 seconds This is available only in FlexStats with a CO2 sensor and the ...

Page 22: ...to select 3 Left to go back one page WEEKDAYS 1 2 5 15 00 PM OFF 3 4 5 6 DELETES ENTRY 7 30 00 AM ON To enter weekly schedules for occupied ON and unoccupied OFF times press 1 Right Left to move among days and Enter to select 2 Up Down to move among entries and Enter to select and edit 3 Right Left to move among value fields 4 Up Down to increment decrement value 5 Enter to exit value editing 6 Le...

Page 23: ...n any button is pressed the display will reappear until the time out is reached again The menu display backlight time out seconds since the last button is pushed is set in Inactivity Access to the Main Menu setpoint adjust and System Occupancy Fan override have a default password level of User This level can be changed for each function to None Operator or Administrator through this screen Passwor...

Page 24: ...ults and reconfiguring and reprogram ming the FlexStat may be required The up time since the last reset can be seen in the About menu See About the FlexStat on page 6 Warm and Cold Starts CAUTION During a restart the analog outputs go to zero and relays go to their normally open state A re start is a process that lasts around ten seconds and it may result in several changes of state for an output ...

Page 25: ...rt From TotalControl or BACstage select Reinitial ize Device Cold Start Restore Factory Restore Factory restoring the FlexStat to the factory settings does the following Clears present values Restores the object database configuration to the defaults Restarts the controller s factory installed Con trol Basic programs NOTE The MAC address and device instance are not restored to their original defau...

Page 26: ...and Resetting the FlexStat on page 24 IN9 IN8 GND IN7 B A IN4 IN3 GND IN2 Analog 9 GND 7 9 Analog 8 Analog 7 Relay 6 SC 4 6 Relay 5 Relay 4 Relay 3 SC 1 3 Outputs iring Cutout in Backplate S TP twork puts ring is pendent on plication puts IP Ethernet Network Optional OTE IN1 and IN5 6 are eserved for internal sensors OTE SC Switched relay Common PC Data Port Connection The FlexStat is equipped wit...

Page 27: ...y of the user KMC Controls does not provide support for such programs Maintenance Remove dust as necessary from the holes in the top and bottom Clean the display with soft damp cloth and mild soap To maintain maximum sensitivity of an optional built in motion sensor occasionally wipe dust or dirt off the lens but do not use any fluid on the sensor HMO 10000 Horizontal or 4 x 4 handy box wall mount...

Page 28: ...st the limits or time delay Communication Issues NOTE For a COMM ERROR on the display see Advanced CO2 Sensor and DCV on page 10 Ethernet IP Network Communication Issues Check communication settings see Advanced Communications BACnet on page 14 KMD 5576 Data Port Communication Issues For Ethernet enabled models a FlexStat in one of the Ethernet or IP modes must temporarily be set for MS TP mode an...

Page 29: ...d ensure the WD watch dog jump er is installed on its two pins closest to the center of the board see Firmware Upgrade Failures on page 34 The jumper is temporarily removed dur ing a firmware update and should be reinstalled when the process is completed Reinstalling the cover on the backplate will restart the FlexStat If the display is functioning e g time is updat ing correctly but the buttons h...

Page 30: ...s Do Not Work above Input Sensor and Value Issues CO2 Level Value Is Frozen or Is 0 After power is first applied or the FlexStat is restarted the sensor goes through a warm up for approximately half a minute During the time the sensor count will be 0 ppm See Advanced CO2 Sensor and DCV on page 10 The BAC 14xxxx models self calibrates approxi mately every 24 hours During the self calibration the se...

Page 31: ...ck that BI6 occ status is not configured as Out Of Service The FlexStat must be installed where there is a clear view of typical traffic area reliable range is out to about 33 feet Remove or move obstacles Reinstall the FlexStat in a more optimal location if necessary Connect remote motion sensors to an input requires custom programming For more information on detection performance patterns config...

Page 32: ...e Time on page 15 Using BACstage or TotalControl send a time synchronization command NOTE An issue can occur if a FlexStat has been unpowered long enough for it to lose its RTC timekeeping during the period DST Daylight Saving Time is in effect currently the second Sunday of March through the first Sunday of November and a time synchronization command is sent from BACstage or TotalControl to the F...

Page 33: ...firmware has just been upgraded firm ware for the wrong model type may have been installed e g BAC 1xx63 firmware accidentally installed in a model BAC 1xx36 In the About menu ASV may simply read CUSTOM instead of something like BAC_1xx36 R1 1 0 5 as it normally would have done If so repeat the firm ware upgrade and ensure that the correct type of firmware is selected for the connected model NOTE ...

Page 34: ...s that the operation has failed ensure the WD watch dog jumper is TEMPORARILY removed during the upgrade process Reinstall the jumper on the two pins closest to the center of the board after the upgrade process is complete See illustration below After the update a FlexStat with a miss ing jumper may seem to be operating correctly but it may lock up at a later time NOTE To replace a lost WD jumper ...

Page 35: ...ding running each program from the CB Programs menu or BACstage or TotalControl NOTE See also Control Basic Programs Do Not Work on page 30 NOTE Customized programs are the responsibility of the user KMC Controls does not provide support for such programs UPDATE MANAGER PROGRAM CONFIG ERROR ENABLE FACTORY ENABLE CUSTOM NO EDIT CB PROGRAMS DONE NO Ensure firmware for the correct model is se lected ...

Page 36: ...voltage drop on long runs Allow plenty of cushion in measurements A meter may be too slow to register transient dips or peaks during startup See Wiring Issues on page 36 Check the wiring at the connected devices CAUTION Do not mistakenly connect 24 VAC to an analog output ground This is not the same as a relay s switched common See the backplate s terminal label for the correct terminal CAUTION Re...

Page 37: ...ibes are subject to change without notice KMC Controls Inc makes no representations or warran ties with respect to this document In no event shall KMC Controls Inc be liable for any damages direct or incidental arising out of or related to the use of this document Support FlexStats come with a printed Installation Guide Addi tional resources for configura tion application operation programming upg...

Page 38: ...it FCU fan coil unit FIU fan induction unit ft lbs foot pounds g grams HPU heat pump unit HVAC heating ventilating and air conditioning Hz hertz IP Internet protocol LCD liquid crystal display mA milliamperes MAC media access control max maximum min minimum mm millimeters MS TP master slave token passing NC normally closed NO normally open pF picofarad RA reverse acting RH relative humidity RS Rec...

Page 39: ...work MS TP Master Slave Token Passing A protocol using the EIA 485 signaling standard in which master devices can initiate requests for data but slave devices cannot since slaves can only reply to messages from other devices KMC advanced application controllers are all MS TP master devices Native BACnet Device A device that is fully BACnet compatible and uses BACnet as its primary if not exclusive...

Page 40: ...set Analog Input 16 CA Title 24 12 CO2 Sensor 10 20 29 30 Cold Start 24 Communication MS TP Ethernet and IP 14 Settings 14 Troubleshooting 14 28 Conductors 36 Conduit 36 Configuration 6 Control Basic Programs 10 25 30 Cool Heat Auto Off System Enable 23 COOL INTG 17 COOL PROP 17 Coordinated Universal Time UTC 15 C or F Selecting Temp Scale 7 Cover 29 Custom Programs 10 27 30 Web Graphics 30 CUSTOM...

Page 41: ... Mode 19 HPO 0044 Cover Screw 27 HTO 1103 Firmware Upgrade Kit 27 Humidity Alarm 21 Dehumidification Setpoint 23 Setup 7 Trend Log 19 I IN2 Fan Status or DAT 9 IN7 Remote Temp Sensor 9 Inactivity Time Out 23 Initial Set Up 6 Inputs 16 Installation 3 IP 14 26 28 J Jumper WD 29 34 Junction Boxes 36 K KMC Controls 37 KMD 5567 Surge Suppressor 27 KMD 5575 Repeater Isolator 27 KMD 5576 USB Communicator...

Page 42: ...verride 4 8 23 Sensor See Motion Sensor Standby 8 Off Auto Heat or Cool System Enable 23 Offset Calibration 16 Operation Basic 4 Configuring Set Up 6 Operator Password 17 Optimum Start 9 Outage Power 25 Outputs 24 33 Override 4 13 23 P Parts Accessories 27 Passwords 17 23 PC Data Port 26 PECI Portland Energy Conservation Inc 8 12 Phasing Network and Power 36 PID Proportional Integral Derivative Lo...

Page 43: ...u 18 Time 15 19 21 32 Time Out Inactivity 23 Transformer 27 Trend Logs Inputs 9 10 19 Intervals 19 Setup 19 Viewer 24 Troubleshooting 28 U UI4 Rotation Value 20 Universal Time Coordinated UTC 15 Update Manager 10 35 Upgrading Firmware 27 34 USB Communicator 26 User Interface Modes 19 User Password 17 UTC Coordinated Universal Time 15 V Value Sensor 16 Valve Set Up 9 Ventilation See DCV Demand Cont...

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