Page 1 CONTROLS OVERVIEW...
Page 2: Value Proposition
VALUE PROPOSITION Energy efficient way to provide the precise amount of heat, when and where it is needed.
Page 3: Controls Introduction
CONTROLS INTRODUCTION...
Page 4 ROBERTS GORDON® HEATING CONTROL OFFERING • Three (3) options: • CORAYVAC® Modulating Heating Control Any 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 •...
Page 5 MODULATING HEATING CONTROL BENEFITS • Flexibility • Up to two (2) systems/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...
Page 6 MODULATING HEATING CONTROL BENEFITS • WebCtrl BMS • Intuitive user interface • Powerful control features • On-site or remote off-site • Customizable • Secure • Easy, convenient...
Page 7 MODULATING HEATING CONTROL BENEFITS • 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)
Page 8 ROBERTS GORDON® SENSORS • Indoor zone sensor • Outdoor air sensor...
Page 9: Typical Layout
TYPICAL LAYOUT...
Page 10: Site Layout
SITE LAYOUT...
Page 11 CORAYVAC® HEATING CONTROL BENEFITS • Multi-function relay that responds to a thermostat • Simpler way to get zones-tie zone stats to controller...
Page 12 IOM REFERENCES Section 1 – controls’ 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 • Whole Building Heating Layout - Placement, design rules, BOM creation & 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 •...
Page 15 YOU DON’T NEED TO KNOW IT ALL...
Page 16 DESIGN & DRAWINGS WE CAN PROVIDE TO YOU 1. Entire Building Heating Layout • 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 •...
Page 17 West System East System...
Page 21 CoRayVac Burners Pump Operated Zones 120V 60HZ 1x 20A L N GND FIELD BLK WHT GRN WIRING REQUIRED 120 VAC TF Burner L L LL N N N N N1N1 COMMUNICATION SATELLITE CONTROLLERS (A2) (A2) (A2) (A2) (A1) (A1) (A1)
Page 22 INFORMATION & DOCUMENTATION WE ASK OF YOU...
Page 23 PRELIMINARY DOCUMENTATION You collect from contractor • 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? •...
Page 24 PRELIMINARY DOCUMENTATION • VFD Supply Voltage • BMS system & protocol (if used)
Page 25 DETAILED DOCUMENTATION You provide before placing PO...
Page 26 REPEATERS • 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
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 TAKE AWAYS 1. Value-added factory design services for all RG reps. Design Expertise 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.
Page 29 INSTALLATION REQUIREMENTS & THINGS TO AVOID...
Page 30 COMMUNICATION WIRE • Does communication wire meet specs? • See IOM Section 3.4 • 22 AWG Low Capacitance • 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 •...
Page 31 POTENTIAL PUMP ISSUES • Locate pump <100’ from panel or include load reactor • Eliminates voltage spikes, nuisance circuit breaker trips • Prevents possible equipment damage • See IOM Section 2.4 • Confirm not installed upside down • Confirm proper rotation •...
Page 32 POTENTIAL COMMUNICATION ISSUES • Repeaters needed; wire >2000’ or >31 controllers • Extends signal • Repeater counts as #32 and #1 of next network • Likely required if main controller can’t communicate with end satellite controllers, lowest baud rate • See IOM Section 5.9 •...
Page 33 POTENTIAL 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 POTENTIAL COMMUNICATION ISSUES • Know what communications protocol will be used • Need to order LonWorks card? (only protocol 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 •...
Page 35 POTENTIAL SENSOR ISSUES • Component mounting locations • Avoid controllers in mezzanines, direct sun or near heat sources (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 •...
Page 36 POTENTIAL VFD ISSUES • Ensure wired correctly to proper pump • System won’t run as controller looks for vacuum signal from wrong pressure switch • Ensure programmed correctly • Incorrect Hz will lower output or not create vacuum to run •...
Page 37 POTENTIAL UTILITY ISSUES • Ensure gas is piped and 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 •...
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 SITE CONTROLS LAYOUT DRAWING • Allows quick and easy check of design • # and location of repeaters based on wire lengths • Able to select initial baud rate based on wire lengths • Troubleshooting made easier • Can label controllers, sensors and pumps per drawing for quick reference •...
Page 41 CONTROLS START-UP CHECKLIST • Mechanical 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 •...
Page 42 CONTROLS START-UP CHECKLIST • Is the correct communication 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 •...
Page 43 CONTROLS START-UP CHECKLIST • VFD programmed properly (not manual 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 •...
Page 44 CONTROLS START-UP CHECKLIST • 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 IOM UPDATES • Section 2.2 – added resistor specs • Section 2.4 – added load reactor specs • Section 3.4 – additional wire specs • Section 5.2 – revisions to MAC addressing • Section 5.3 – revisions to BMS integration •...
Page 46: Touch Screen
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: System View
SYSTEM VIEW System View Displays when; • • No user activity for a period of time • First set up • Alarms • View • Acknowledge • Delete • Schedules • View • Create • Delete • Setup • Edit system or touchscreen settings •...
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) MAC Addresses • Deselect All 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 SETUP Communications • System Touch BACnet Device Instance ust be unique on MS/TP network • M Leave at default (160099) unless another • System Touch or device on network with same number • System Touch Address Must be unique on MS/TP network •...
Page 59: Home Screen
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 MAIN MENU 15 submenus available • System Status • Configuration Alarm • Schedules • Hardware I/O • Maintenance- Unit • Touch Screen System • Alarm • Touch Screen Set Up • VFD Status • Trends • Configuration Service • Communication •...
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 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
CONFIGURATION - ALARMS Can be set in Menu Note: Preconfigured alarm times should not be changed...
Page 83: Touch Screen System
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 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 TOUCH SCREEN SETUP 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 INTEGRATION INTO BUILDING MANAGEMENT SYSTEM (BMS) • Controller (I/O Pro 812U) 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 •...
Page 95 INTEGRATION INTO BUILDING MANAGEMENT SYSTEM (BMS) • For proper communication follow BMS set up (Refer to IOM Section 12) • MAC addresses...
Page 96 INTEGRATION INTO BUILDING MANAGEMENT SYSTEM (BMS) • Unique rotary address 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 •...
Page 97 INTEGRATION INTO BUILDING MANAGEMENT SYSTEM (BMS) • Dip switches • Set proper baud rate and communication protocol...
Page 98 INTEGRATION INTO 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 SUPPORTING POINTS • True modulation = 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...
Page 107 INCREASED THERMAL EFFICIENCY...
Page 109: Competitive Comparisons
COMPETITIVE COMPARISONS...
Page 110 COMPETITIVE COMPARISONS Superior Radiant Products ACCU-RATE® Pro Modulating Control Panel Modulates the SRP VS-VH system between 60-100% of 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 •...
Page 111 COMPETITIVE COMPARISONS FEATURE: ROBERTS GORDON Universal Protocol 2 Protocols 8 Protocols! Zoning Flexibility Up to 2- Up to 3- zones/pump or zones/pump or 4- 4-zones on 1 zones on 1 pump! pump Total System .6 MBH 1.44 MBH! Capacity/Pump System Operation Nope…...
Page 112 SELLING AGAINST THE COMPETITION CORAYVAC® Modulating Heating Control ACCU-RATE® Pro Modulating Control Panel • We have more zone flexibility. Design systems accordingly. • We can do a much higher capacity per pump. Design systems that have capacities higher than 0.6 MBH.
Page 113 COMPETITIVE COMPARISONS...
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: Installation
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 HOW TO 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 HOW 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) •...
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 HOW TO RELOAD A TOUCH PAD FIRMWARE www.RobertsGordon.com/Rep Portal/Tools/OEM Ctrl/Controls Software/Touch Screen firmware 1- USB flash drive must be formatted as FAT, FAT16, or FAT32. 2- Put flash drive into 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.
Page 135 HOW TO RELOAD TOUCH PAD FIRMWARE 9- Plug flash drive into 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 •...
Page 136 HOW TO RELOAD TOUCH PAD FIRMWARE 13- When home screen displays, remove flash drive 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 •...
Page 137 VFD TROUBLESHOOTING...
Page 138 VFD TROUBLESHOOTING START • Is VFD showing any faults? Refer to Page 52, Section 6.2.2 for the VFD error Is VFD showing any faults? massages and follow it directions Does VFD have power (120, 230 or 460V) between any 2 inputs on VFD?
Page 139 VFD TROUBLESHOOTING • Refer to page 51, IOM Section 6.2.2 for VFD error definition Refer to Page 51,Section 6.2.2 for VFD error definition. Press stop on VFD to clear error. Is VFD ramping up? Is the VFD showing any faults? Jump to Troubleshooting Page 76, Figure 35...
Page 140 VFD TROUBLESHOOTING • Does VFD have power (120, 230 or 460V) between any 2 inputs on VFD?
Page 141 VFD TROUBLESHOOTING • Set VFD on P-12 to 1 for manual running. (IOM Section 6.2) Contact Roberts Gordon 1.800.828.7450 www.robertsgordon.com Refer to Page 51, Section for VFD P12 setting. Contact Your Roberts Gordon And set the VFD for manual Independent Distributor running.
Page 142 VFD TROUBLESHOOTING • Checking communication between controller and VFD Refer to Page 44, Section If you have splitter on And jump UI-5 for VFD1 your controller, check it Jump to Troubleshooting and UI-5 for VFD2 for for correct continuity. Page 76, Fig.35 manual running.
Page 143 VFD TROUBLESHOOTING • Is there power between circuit breaker outputs? • Is there power between circuit breaker inputs? Is there power between Check wiring circuit breaker outputs? between circuit breaker See CB1 on wiring and VFD diagrams on section 4 Replace circuit Is the circuit breaker Is there power between...
Page 144 VFD TROUBLESHOOTING • Is there power between disconnect outputs? Check wiring between Is there power between disconnect & circuit disconnect outputs ? breaker Is there power between Replace rotary disconnect inputs ? disconnect Check VFD incoming power supply...
Page 145 VFD TROUBLESHOOTING • Check for VFD terminal 1,2 jumpers. Jump to ModBus Troubleshooting Page 79, Figure 38 Are VFD terminals 1 & 2 jumpered together?
Page 146 VFD TROUBLESHOOTING Jump to Pump Troubleshooting Page 68, Figure 27 Add jumper across 1 & 2. COMPLETE Does pump come...
Page 147 IOM UPDATES • Section 9 - Troubleshooting...
Page 148: Touch Pad Troubleshooting
TOUCH PAD TROUBLESHOOTING...
Page 149 TOUCH PAD TROUBLESHOOTING • Does touchscreen show vertical lines on screen? START Upload the Firmware. Hex Does touchscreen show file on touch pad(See Page Replace the touch vertical line on screen? 48, Section 5.8.2).Does that screen fix the issue? Does touchscreen show communication error on COMPLETE screen?
Page 150 TOUCH PAD TROUBLESHOOTING • Check MS/TP communication cable COMPLETE Check the MS/TP communication cable between Touch pad and port1 , is that fixed the issue? Power cycle the touch screen by turning off the circuit breaker on top of the COMPLETE controller and left side of terminal block, Does that...
Page 151 IOM UPDATES • Section 9 - Troubleshooting...
Page 152 ZONE SENSOR & VACUUM PUMP TROUBLESHOOTING...
Page 153 ZONE SENSOR TROUBLESHOOTING • Is zone sensor display on? START • Is the control board on? • Check the communication cable Is zone sensor display On? Check 4-wire connection between sensor and Is the control board board. Rectify wiring errors. Does sensor display come On? Turn On control board...
Page 154 VACUUM PUMP TROUBLESHOOTING • Is zone sensor displaying error? Is sensor displaying an error? COMPLETE...
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? Set unique address on each sensor...
Page 156 VACUUM PUMP TROUBLESHOOTING • Checking the dip switches? Contact Roberts Gordon Contact Your Roberts Gordon 1.800.828.7450 Independent Distributor www.robertsgordon.com Reset the zone sensor by turning all DIP switches ON, then back off. Is COMPLETE sensor still displaying an error? Is sensor displaying an error? COMPLETE...
Page 157 IOM UPDATES • Section 9 - Troubleshooting...
Page 158 REPEATER TROUBLESHOOTING...
Page 159 REPEATER TROUBLESHOOTING • Is there a Repeater in RS-485 communication line? Add a BT485 to adjacent START controller If more than one ROBERTS Gordon Modulating Is the Repeater placed at and Unitary Infrared Heating System is installed the beginning or ends of in a building, RS-485 communications must be networks segment wired in series.
Page 160 REPEATER TROUBLESHOOTING • Sample network configuration using MS/TP...
Page 161 REPEATER TROUBLESHOOTING • Can not have >4 repeaters in series Connect Earth GND terminal with a piece of 12 AWG wire(no longer Revise the controllers than 2 feet) to a verified earth communication network ground connection such as a nearby configuration, see Page metal water pipe 16 Section3.4.1...
Page 162 REPEATER TROUBLESHOOTING • Hybrid configuration...
Page 163 REPEATER TROUBLESHOOTING Replace the Repeater • 24V power input board • Receive and send data by looking at blinking LEDs Measure the voltage at the REP485’s power input Verify communication with the terminals to verify that the network by viewing LED2 and LED3 voltage is within the blink when receiving data.
Page 164 REPEATER TROUBLESHOOTING • Check the 24v power • Check cable specification Check that the power is on and that the red indicator 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? Does communication cable...
Page 165 REPEATER TROUBLESHOOTING • 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. Check that all communication cable wires are connected “+”...
Page 166 IOM UPDATES • Section 9 - Troubleshooting...

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