Roberts Gorden CORAYVAC, Manual

Page 1: ...CONTROLS OVERVIEW ...

Page 2: ...VALUE PROPOSITION Energy efficient way to provide the precise amount of heat when and where it is needed ...

Page 3: ...CONTROLS INTRODUCTION ...

Page 4: ... combination of unitary except two stage or modulating CORAYVAC VFD in panel CORAYVAC Heating Control On off multi burner or on off CORAYVAC COMPLETE Modulating Heating Control Any combination of on off single stage unitary modulating unitary on off multi burner or on off CORAYVAC No VFD in panel ...

Page 5: ...four 4 zones each panel Stand alone operation Easy to use touchscreen Central controller controls up to 31 satellite controllers Compatible BMS Convenience Ease of connection service and programming MODULATING HEATING CONTROL BENEFITS ...

Page 6: ... WebCtrl BMS Intuitive user interface Powerful control features On site or remote off site Customizable Secure Easy convenient MODULATING HEATING CONTROL BENEFITS ...

Page 7: ... Field Assistant For start up troubleshooting Install on PC or laptop Communicate via local access or over IP Connectivity Equipment Touch App app version for Android MODULATING HEATING CONTROL BENEFITS ...

Page 8: ... Indoor zone sensor ROBERTS GORDON SENSORS Outdoor air sensor ...

Page 9: ...TYPICAL LAYOUT ...

Page 10: ...SITE LAYOUT ...

Page 11: ... Multi function relay that responds to a thermostat Simpler way to get zones tie zone stats to controller CORAYVAC HEATING CONTROL BENEFITS ...

Page 12: ... descriptions Section 1 12 example site layout Section 1 12 connected components layout Section 3 5 sensor details Section 5 1 WebCTRL details Section 5 8 Touchscreen details Section 5 9 Repeater installation Section 12 BMS integration ...

Page 13: ...CORAYVAC MODULATING DESIGN DRAWING SERVICES ...

Page 14: ...on pricing etc Knowledge of Multi Zone Control Capability One or two CORAYVAC systems based on the number of variable frequency drives VFD Modulating unitary heaters Single Stage unitary heaters Up to 4 total zones controlled Intricate controls knowledge of optional elements needed for proper function ...

Page 15: ...YOU DON T NEED TO KNOW IT ALL ...

Page 16: ...out Burners pumps sensors controllers additional controls components 2 System Wire Routing Overview Communication wire routing System wiring scheme overview 3 Controller External Wire Connection Detail Details every wire from controller to system devices and components ...

Page 17: ...West System East System ...

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Page 21: ...x Tx DTR Signal Ground BACnet Over ARCNET156 KBaud Made in USA Port 2a BT485 Port 1 Port 1 BT485 Conductors 2A 50 60 Hz Blinking Dot Run On Off Enhanced 8 7 6 5 4 3 2 1 8 7 6 5 4 3 2 1 IP Addr AssignedDefault 10 100 BaseT Ethernet Port E1 100 LAN LINK 8 7 6 5 See BAS Table Below Protocols 6 MS TP m MS TP s Off N2 On Lon SLTA Off BAUD 4 5 9600 OffOff 19 2 KOffOn 38 4 KOn Off 76 8 KOn On On Modbus 8...

Page 22: ...INFORMATION DOCUMENTATION WE ASK OF YOU ...

Page 23: ...tractor Building drawing If drawing is not available building sketch including approximate locations of heating systems Building Heat Loss Calculation Elevation Intended Use of Building Areas Work Spaces Racking Obstacles Clearances Ceiling Height ...

Page 24: ...PRELIMINARY DOCUMENTATION VFD Supply Voltage BMS system protocol if used ...

Page 25: ...DETAILED DOCUMENTATION You provide before placing PO ...

Page 26: ...ERS Used to boost communication signal between multiple control panels connected together in a daisy chain Need to know the total wire length of the communication wire between controllers also to BMS if used ...

Page 27: ...LOAD REACTORS Used to help protect motors by acting as a buffer between drive and motor on vacuum pump Used between VFD and vacuum pump when distance from control panel and vacuum pump is 100 feet ...

Page 28: ...se during every step of the project Detailed AutoCAD drawings to simplify assist engineer and contractor services 2 Basic building info needed at pre design stage 3 More detail needed to ensure accuracy of order Ensure complete component selection Ensure proper controls operation ...

Page 29: ...INSTALLATION REQUIREMENTS THINGS TO AVOID ...

Page 30: ...citance Avoid running in same conduit as power wire to minimize noise and interference We have separated as far away as possible from each other inside panel Problems Intermittent communication between controllers Furthest controllers do not communicate Must operate at much slower baud rate ...

Page 31: ...ates voltage spikes nuisance circuit breaker trips Prevents possible equipment damage See IOM Section 2 4 Confirm not installed upside down Confirm proper rotation Confirm pressure switch wired correctly back to correct panel Confirm condensate drain tube is installed if required ...

Page 32: ...kely required if main controller can t communicate with end satellite controllers lowest baud rate See IOM Section 5 9 Baud rate Smaller slower Start at 19 2K and adjust to faster once communicating 76 8K possible at 2000 with resistors Ensure dip switches match Touch Pad setting See IOM Sections 5 5 5 6 Any changes require power restart ...

Page 33: ...COMMUNICATION ISSUES Add resistors at the first and last controller and repeaters Needed for 76 8K baud rate See IOM Sections 2 2 5 6 Prevents signal reflections noise distortion False signals Poor communication ...

Page 34: ...l requiring extra Proper addressing MAC Media Access Control address is unique ID assigned to every internet connected machine that allows it to be identified when connected to a specific network Each panel has unique address See IOM Sections 5 2 5 3 12 Dip switch settings Baud rate protocol See IOM Sections 5 2 5 5 12 ...

Page 35: ...s IOM Section 3 2 Indoor Sensors IOM Section 3 8 Heated zone Occupant level Inside wall Away from air vents and other heat or cold sources Avoid under first 10 radiant section mezzanines or direct sun Outdoor Sensors IOM Section 3 10 Outside north facing wall High under an eve for protection and to avoid direct sun ...

Page 36: ... signal from wrong pressure switch Ensure programmed correctly Incorrect Hz will lower output or not create vacuum to run High fire 2 5 w c vacuum Low fire 1 2 1 5 w c vacuum Incorrect Control Level will not communicate if left in Manual Mode Incorrect VFD Slave Address will not communicate and run properly ...

Page 37: ...nd valves are open to burners Ensure power is run to all panels and pumps All disconnects are on All switches are wired back to panel All drain piping is run All burner tubing dampers and venting are mechanically installed properly to ensure vacuum ...

Page 38: ...SITE CONTROLS LAYOUT DRAWING FedEx Allentown Original Layout Approx 9000 Wire 1 Central Panel 33 Satellite Panels 1 Repeater 0 Resistors 76 8K Baud Rate ...

Page 39: ...SITE CONTROLS LAYOUT DRAWING FedEx Allentown Revised Layout Approx 9000 Wire 1 Central Panel 33 Satellite Panels 3 Repeaters 8 Resistors 76 8K Baud Rate ...

Page 40: ...d on wire lengths Troubleshooting made easier Can label controllers sensors and pumps per drawing for quick reference Know physical location of sensors pumps controllers Know which sensor and pump is wired to controller Wiring layout as builts recommended Often contractor runs wires differently Wire lengths could be longer than designed need repeater s ...

Page 41: ...cal system installed properly All utilities hooked up and on Power is present at panel s Panels and pumps grounded properly Pump rotation is correct All switches are wired back to panel Wiring is run according to building layout drawings ...

Page 42: ...tion wire used Is the communication wire separate from power wiring Load reactor s installed if required Repeater s installed if required Resistor s installed if required Are sensors installed in proper location Is OAT sensor installed in proper location ...

Page 43: ... mode All additionally required BMS hardwire installed Controller MAC addresses used are unique All dip switches set properly Matching touchscreen and dip switch baud rate settings Schedule is set Design temp setpoints are set Is outside air blower set if required ...

Page 44: ...LIST Is door option assigned in controller Was VFD status on touch screen set correctly Were zones configured correctly in touchpad Were all zones controllers and sensors named correctly and properly labeled at each component ...

Page 45: ...ctor specs Section 3 4 additional wire specs Section 5 2 revisions to MAC addressing Section 5 3 revisions to BMS integration Section 5 5 revisions to setting baud rate Section 5 9 revisions to repeater installation Section 12 additional detailed section on BMS integration ...

Page 46: ...TOUCH SCREEN ...

Page 47: ...TOUCH SCREEN System Touch Touch screen 4 3 color LCD display Front end interface to controllers on BACnet network ...

Page 48: ... activity for a period of time First set up Alarms View Acknowledge Delete Schedules View Create Delete Setup Edit system or touchscreen settings Requires administrator level password Select each controller Wall 1 Wall 2 etc and rename as desired ...

Page 49: ...SYSTEM VIEW Setup Edit system or touchscreen setting Requires administrator level password Select each controller Wall 1 Wall 2 etc and rename as desired ...

Page 50: ...SYSTEM VIEW After Discovery Discover system again for all controllers ...

Page 51: ...SYSTEM VIEW Rename controller to a real and understandable name according to design drawing Select each controller to change name ...

Page 52: ...SYSTEM VIEW Repeat process for all controllers ...

Page 53: ...SYSTEM VIEW Discovery Clear DB Database Set Range Select All Discover Create DB Database Deselect All MAC Addresses System Touch can scan network for MAC addresses ...

Page 54: ...SYSTEM VIEW Set Range System Touch can scan network for all MAC addresses ...

Page 55: ...SYSTEM VIEW After Discovery hit Create DB ...

Page 56: ...SYSTEM VIEW Schedule Grouping not required Can do multiple zones with same schedule ...

Page 57: ...SETUP Setup Communications Viewfile Discovery Touchscreen Setup Logout ...

Page 58: ...rk with same number System Touch Address Must be unique on MS TP network Leave at default 127 unless another System Touch or device on network with same address Network number of BACnet ARCNET or BACnet MS TP network that System Touch will discover controllers on To discover field must be set to 0 Lets installer define network communications for System Touch ...

Page 59: ...HOME SCREEN Home Screen Temp display Power button indicating occupancy status Heater tube indicating heat on off Link to zone screen by selecting temperature Pump Icons On off status Run status ...

Page 60: ...vailable System Status Schedules Maintenance Unit Alarm VFD Status Configuration Service Configuration Zones Configuration Unit Configuration Alarm Hardware I O Touch Screen System Touch Screen Set Up Trends Communication IP ...

Page 61: ...MAIN MENU ...

Page 62: ...SCHEDULE Controller comes with standard 7AM 5PM Monday Friday schedule for each heating zone ...

Page 63: ...SCHEDULE Select Object to change Zones schedule Each zone must be programmed individually Add schedule Select at bottom right of screen ...

Page 64: ...SCHEDULE Select Object to change Zones schedule ...

Page 65: ...SCHEDULE Weekly Schedule Example Enter Start and End times Select Days of week to be active Input date range optional Select Save ...

Page 66: ...SCHEDULE Edit Existing Schedule To open Schedule editor Enter calendar view for appropriate zone Select day of week schedule is active Screen displays below ...

Page 67: ...MAIN MENU Alarms accessed from Alarms menu Alarm bell on home screen ...

Page 68: ...ALARMS Alarm bell on home screen ...

Page 69: ...ALARMS Clear alarm Check the white box It clear alarm in few second ...

Page 70: ...ALARMS Select System Alarm Buffer Navigates to Manually Cleared or Clear Active screens ...

Page 71: ...CONFIGURATION SERVICE Configuration Service can be set in Menu ...

Page 72: ...CONFIGURATION SERVICE ...

Page 73: ...CONFIGURATION SERVICE ...

Page 74: ...CONFIGURATION SERVICE ...

Page 75: ...CONFIGURATION SERVICE Enter External and Internal design temperature ...

Page 76: ...CONFIGURATION ZONES Run Command ...

Page 77: ...CONFIGURATION ZONES Set Schedule ...

Page 78: ...CONFIGURATION ZONES Set Zone Temperature ...

Page 79: ...CONFIGURATION ZONES Door Switch Enable ...

Page 80: ...CONFIGURATION UNIT ...

Page 81: ...CONFIGURATION UNIT ...

Page 82: ...CONFIGURATION ALARMS Can be set in Menu Note Preconfigured alarm times should not be changed ...

Page 83: ...TOUCH SCREEN SYSTEM Touch Screen System ...

Page 84: ...TOUCH SCREEN SYSTEM Setup ...

Page 85: ...TOUCH SCREEN SYSTEM Module Setup Set Time and Date ...

Page 86: ...TOUCH SCREEN SETUP Touch Screen Setup ...

Page 87: ...TOUCH SCREEN SETUP Inactivity Timeout Define how long System Touch can have no activity before returning to Home screen and logging out user Set to 0 to deactivate ...

Page 88: ...TOUCH SCREEN SETUP Sensor Setup Set up System Touch s temperature and humidity sensors ...

Page 89: ...TOUCH SCREEN SETUP Clean Screen Displays a 1 minute countdown timer to clean display window without affecting equipment operation ...

Page 90: ...TOUCH SCREEN SETUP Key Click On Select Click Off to turn off sound or Click On to turn on sound Reload Firmware Erases current firmware to allow loading of new firmware Through USB port Passwords ...

Page 91: ... Alarm Sound Off Language Calibrate Touch Panel Recalibrate System Touch Calibrated in factory Time temp or handling could affect calibration Needed if you touch in one location and it responds as if you touched another ...

Page 92: ...IOM UPDATES Section 2 6 Touch screen specifications Section 5 8 Touch screen communications Section 13 Touch screen tree ...

Page 93: ...CONTROLLER INTEGRATION ...

Page 94: ...capable of communicating with foreign BMS Foreign BMS has ability to control occupancy setpoints and more Controller has ability to communicate with one of following protocols BACnet over ARC156 BACnet MS TP BACnet PTP BACnet over IP BACnet over Ethernet Modbus N2 LonWorks ...

Page 95: ...INTEGRATION INTO BUILDING MANAGEMENT SYSTEM BMS For proper communication follow BMS set up Refer to IOM Section 12 MAC addresses ...

Page 96: ... switches 1 99 If controllers have duplicate addresses network communication can be lost Unique BACnet Device Instance numbers Default is 24XX with rotary address switches defining XX If controllers have duplicate device instance numbers network communication can be lost ...

Page 97: ...INTEGRATION INTO BUILDING MANAGEMENT SYSTEM BMS Dip switches Set proper baud rate and communication protocol ...

Page 98: ...O BUILDING MANAGEMENT SYSTEM BMS Communication ports Set jumpers according to IOM Section 12 for specific BMS protocol Controller only recognizes physical changes DIP switches rotary switches and jumpers upon power up ...

Page 99: ...INTEGRATION INTO BUILDING MANAGEMENT SYSTEM BMS Correct terminal connection for different port Terminal connection for ELA 485 2 wire Port 2a Terminal connection for ELA 485 4 wire Ethernet port E1 ...

Page 100: ...INTEGRATION INTO BUILDING MANAGEMENT SYSTEM BMS Cable specification and length If RX LED is solid then terminations are incorrect BT 485 Resistors as needed ...

Page 101: ...IOM UPDATES Section 12 Integration with Building Management System BMS ...

Page 102: ...EXPLANATION OF MODULATION ...

Page 103: ...ulation Increased thermal efficiency Controls modulate CORAYVAC system input from 100 down to 60 Algorithm compares outside temperature to the design temperature Maintaining the true build heat loss throughout the heating season ...

Page 104: ...OUTSIDE TEMPERATURE HEAT REQUIREMENTS ...

Page 105: ...ON OFF VS MODULATION ...

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Page 107: ...INCREASED THERMAL EFFICIENCY ...

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Page 109: ...COMPETITIVE COMPARISONS ...

Page 110: ...the burner firing rate via motorized dampers installed on each leg of the system or via VFD VS VH Rate range from 20 120 MBH Up to 2 systems and 4 zones with limitations Universal Protocols BACnet MS TP or IP ONLY Independent Pump Monitoring Up to 600 000 BTU on a single pump we can do 1 44 mil 1 year warranty on controls ours is 3 years ...

Page 111: ...sal Protocol 2 Protocols 8 Protocols Zoning Flexibility Up to 2 zones pump or 4 zones on 1 pump Up to 3 zones pump or 4 zones on 1 pump Total System Capacity Pump 6 MBH 1 44 MBH System Operation Indicator Lights Nope Yup 3 Year Product Warranty 1 Year 3 Year ...

Page 112: ...systems accordingly We can do a much higher capacity per pump Design systems that have capacities higher than 0 6 MBH We have a 3 year warranty We have 6 visible system indicator lights Our burners are factory calibrated NOT calibrated in the field We have 8 different protocols FACTORY SUPPORT Troubleshooting design submittals job specific package ...

Page 113: ...COMPETITIVE COMPARISONS VS ...

Page 114: ...HOW TO DOWNLOAD A PROGRAM ...

Page 115: ...HOW TO DOWNLOAD A PROGRAM Things needed to download program to controller Lap top USB L communication cable Clipping file Instruction manual ...

Page 116: ...HOW TO DOWNLOAD A PROGRAM Laptop Minimum Requirements Dual core processor 4 GB RAM 30 Gigabyte hard drive Communications link of 10 Mbps or higher 32 or 64 bit operating system ...

Page 117: ...HOW TO DOWNLOAD A PROGRAM USB L Order USB L from Roberts Gordon Latest driver version at Roberts Gordon Rep Portal http www silabs com products mcu Pages USBtoUARTBridgeVCPDrivers aspx ...

Page 118: ...HOW TO DOWNLOAD A PROGRAM Clipping file Upload clipping file from Roberts Gordon Rep Portal www robertsgordon com Rep Portal Tools OEM Ctrl RG_PRODUCTION_REV_2_3 ...

Page 119: ...HOW TO DOWNLOAD A PROGRAM Installation Connect USB link cable to computer USB port Connect USB link cable to controller s local access port ...

Page 120: ...HOW TO DOWNLOAD A PROGRAM Disconnect controller from the network Set MAC address to 1 by setting rotary switches Set top rotary switch for the 1 s place Leave the bottom rotary switch at 0 ...

Page 121: ...O DOWNLOAD A PROGRAM Upload Controller Clipping File Go to computer C drive for APPLOADER folder Copy and paste clipping file into folder www robertsgordon com Rep Portal Tools OEM Ctrl RG_PRODUCTION_REV_2_3 ...

Page 122: ...HOW TO DOWNLOAD A PROGRAM Launch Apploader Select File Choose RG clipping file Select Open ...

Page 123: ...HOW TO DOWNLOAD A PROGRAM Select Options tab Keep selected default ...

Page 124: ...HOW TO DOWNLOAD A PROGRAM Select Connection tab Select Rnet ...

Page 125: ... TO DOWNLOAD A PROGRAM Select Access Port tab Select the right USB port based on your laptop Find USB port number on your laptop Control Panel Device Manager P Port Com Lpt Select Silicon Labs port number ...

Page 126: ...HOW TO DOWNLOAD A PROGRAM Select Baud Rate tab Select 115200 ...

Page 127: ...HOW TO DOWNLOAD A PROGRAM Select IP Config Recheck previous selection and select Connect ...

Page 128: ...HOW TO DOWNLOAD A PROGRAM Select Build tab Select Download Memory ...

Page 129: ...HOW TO DOWNLOAD A PROGRAM THIS STEP IS VERY IMPORTANT Always select first choice Use factory auto assign device ID 2400 ...

Page 130: ...HOW TO DOWNLOAD A PROGRAM Select OK Wait for program to finish downloading 15 minutes ...

Page 131: ...HOW TO DOWNLOAD A PROGRAM Select Modstat Save results Close AppLoader ...

Page 132: ...HOW TO RELOAD TOUCH PAD FIRMWARE ...

Page 133: ...HOW TO RELOAD TOUCH PAD FIRMWARE System Touch has USB port at bottom allows updating of device s firmware from USB flash drive ...

Page 134: ...computer USB port 3 Right click flash drive 4 Select Format 5 Select FAT default format 6 Select start 7 Create folder on flash drive called Touch 8 Download firmware from Roberts Gordon Rep Portal Put STxxxxxx hex file in folder www RobertsGordon com Rep Portal Tools OEM Ctrl Controls Software Touch Screen firmware ...

Page 135: ...System Touch USB port 10 From System Touch home Main Menu Setup Reload Firmware 11 A warning message appears Yes to continue 12 Following messages appear Verifying firmware image Reading firmware image from USB Installing application Verifying firmware image ...

Page 136: ...ve Note Large capacity USB drives may not be recognized USB drives 8 GB may fail to update firmware Verifying Firmware Image remains instead of loading update Replace with newer model touchscreen or use smaller capacity USB drive SanDisk Cruzer Micro 2 GB Verbatim Store n Go 4 GB ...

Page 137: ...VFD TROUBLESHOOTING ...

Page 138: ... Is VFD showing any faults Does VFD have power 120 230 or 460V between any 2 inputs on VFD START Yes No Is VFD showing any faults No Yes Refer to Page 52 Section 6 2 2 for the VFD error massages and follow it directions e ...

Page 139: ...e 51 IOM Section 6 2 2 for VFD error definition Is the VFD showing any faults Yes Refer to Page 51 Section 6 2 2 for VFD error definition Press stop on VFD to clear error Is VFD ramping up Jump to Troubleshooting Page 76 Figure 35 Yes ...

Page 140: ...VFD TROUBLESHOOTING Does VFD have power 120 230 or 460V between any 2 inputs on VFD ...

Page 141: ... running IOM Section 6 2 Contact Roberts Gordon 1 800 828 7450 www robertsgordon com Refer to Page 51 Section 6 2 for VFD P12 setting And set the VFD for manual running Is the Vfd ramping up No Yes Contact Your Roberts Gordon Independent Distributor No ...

Page 142: ...or VFD1 and UI 5 for VFD2 for manual running Is the VFD ramping up No If you have splitter on your controller check it for correct continuity Dose it pass the signals Yes Jump to Troubleshooting Page 69 Fig 28 Ask Roberts Gordon for replacement VFD communication cable Yes No Jump to Troubleshooting Page 76 Fig 35 70 77 ...

Page 143: ...ircuit breaker inputs No Is there power between circuit breaker outputs See CB1 on wiring diagrams on section 4 Yes Check wiring between circuit breaker and VFD No Is there power between circuit breaker inputs No Yes Is the circuit breaker switched On No Turn it On Yes Replace circuit breaker ...

Page 144: ...r between disconnect outputs No Is there power between disconnect outputs Yes Check wiring between disconnect circuit breaker No Is there power between disconnect inputs Yes Replace rotary disconnect No Check VFD incoming power supply ...

Page 145: ...VFD TROUBLESHOOTING Check for VFD terminal 1 2 jumpers Jump to ModBus Troubleshooting Page 79 Figure 38 No Are VFD terminals 1 2 jumpered together Yes No 80 ...

Page 146: ...VFD TROUBLESHOOTING COMPLETE Add jumper across 1 2 Does pump come On Yes No Jump to Pump Troubleshooting Page 68 Figure 27 69 ...

Page 147: ...IOM UPDATES Section 9 Troubleshooting ...

Page 148: ...TOUCH PAD TROUBLESHOOTING ...

Page 149: ...s on screen Does touchscreen show vertical line on screen START COMPLETE No Yes Does touchscreen show communication error on screen No Yes Upload the Firmware Hex file on touch pad See Page 48 Section 5 8 2 Does that fix the issue No Yes Replace the touch screen ...

Page 150: ...pad and port1 is that fixed the issue No Yes Power cycle the touch screen by turning off the circuit breaker on top of the controller and left side of terminal block Does that fixed the issue COMPLETE Yes Contact Roberts Gordon 1 800 828 7450 www robertsgordon com Contact Your Roberts Gordon Independent Distributor No No ...

Page 151: ...IOM UPDATES Section 9 Troubleshooting ...

Page 152: ...ZONE SENSOR VACUUM PUMP TROUBLESHOOTING ...

Page 153: ...n Check the communication cable START No Check 4 wire connection between sensor and board Rectify wiring errors Does sensor display come On Is the control board On Yes No Is zone sensor display On Turn On control board Contact Your Roberts Gordon Independent Distributor No Yes ...

Page 154: ...VACUUM PUMP TROUBLESHOOTING Is zone sensor displaying error No Is sensor displaying an error COMPLETE Yes Yes ...

Page 155: ...VACUUM PUMP TROUBLESHOOTING Checking the dip switches Check DIP switch address of all sensors on controller See Page 20 Section 3 9 Is DIP switch address unique No Set unique address on each sensor Yes ...

Page 156: ...displaying an error No COMPLETE Reset the zone sensor by turning all DIP switches ON then back off Is sensor still displaying an error Yes No COMPLETE Yes Contact Your Roberts Gordon Independent Distributor Yes Contact Roberts Gordon 1 800 828 7450 www robertsgordon com ...

Page 157: ...IOM UPDATES Section 9 Troubleshooting ...

Page 158: ...REPEATER TROUBLESHOOTING ...

Page 159: ...ERTS Gordon Modulating and Unitary Infrared Heating System is installed in a building RS 485 communications must be wired in series Is there a Repeater in the RS 485 communication line No Yes Is the Repeater placed at the beginning or ends of networks segment Yes Add a BT485 to adjacent controller No ...

Page 160: ...REPEATER TROUBLESHOOTING Sample network configuration using MS TP ...

Page 161: ...h ground connecton No Connect Earth GND terminal with a piece of 12 AWG wire no longer than 2 feet to a verified earth ground connection such as a nearby metal water pipe Yes Is there more than4 repeater in one series Yes Revise the controllers communication network configuration see Page 16 Section3 4 1 No ...

Page 162: ...REPEATER TROUBLESHOOTING Hybrid configuration ...

Page 163: ...c No Fix the 24 VAC power on Repeater box Yes Verify communication with the network by viewing LED2 and LED3 blink when receiving data Are LED 2 and 3 blinking No Replace the Repeater board Yes Check that all communication cable wires are connected terminal to terminal and terminal to terminal Check that the device address on rotary switches is correctly set Check that all drain wires are connecte...

Page 164: ...tor light is on If it is on measure voltage at the 24 VAC power terminals of the control board to ensure that the unit is getting 24 VAC is the Satellite controller failing to communicate No Does communication cable meet cable specification in section 3 Replace the wrong communication cable with correct cable N o Yes Yes ...

Page 165: ... is correctly set Check that all drain wires are connected to a solid ground COMPLETE Check that all communication cable wires are connected terminal to terminal and terminal to terminal Check that the device address on rotary switches is correctly set Check that all drain wires are connected to a solid ground Is there faulty communication in the Satellite controller No Yes ...

Page 166: ...IOM UPDATES Section 9 Troubleshooting ...