Installation Manual
Contents
1. LX INTAKE 3916043 02 06 4 2 Relay Board Connections If the optional Relay Board is used the control can handle up to 10 appliances Connect the multi plug from the add on board to the mainboard as show below in Fig 10 SESE Connect the terminals as needed The terminal layout is shown in Fig 11 Terminal Use 51 52 AUX7 Dry Contact Normally Open Output to Appliance 7 0 250V 8A 53 AUX7 input Boiler 7 Thermostat Input 10 250VAC DC Load Pos 54 AUX7 input Boiler 7 Thermostat Input Common Neg 55 56 AUX8 Dry Contact Normally Open Output to Appliance 8 0 250V 8A 57 AUX8 input Boiler 8 Thermostat Input 10 250VAC DC Load Pos 58 AUX8 input Boiler 8 Thermostat Input Common Neg 59 60 AUX9 Dry Contact Normally Open Output to Appliance 9 0 250V 8A 61 AUX9 input Boiler 9 Thermostat input 10 250VAC DC Load Pos 62 AUXO9 input Boiler 9 Thermostat Input Common Neg 63 64 AUX1 Dry Contact Normally Open Output to Appliance 10 0 250V 8A 65 AUX10 input Boiler 10 Thermostat Input 10 250VAC DC Load Pos 66 AUX10 input Boiler 10 Thermostat Input Common Neg EXHAUSTO 10 VENTING DESIGN SOLUTIONS xazusro 3916043 02 06 4 3 Wiring of XTP Sensor The XTP sensor is wired as shown below The wiring to the XTP sensor is always the same while the wiring on the EBC 30LE control depends on whether it is to be wired for exhaust or intake operation Terminal conn2. Set Point pressure is met and DRAFT INPUT is closed When the AUX RELAY closes the LED between the terminals will light and the appliance will be permitted to operate normally The EBC3OLE will individually close the AUX RELAY contacts for other appliances as they call for heat via their AUX INPUT connections while proper draft is maintained The AUX RELAY contacts will open for individual appliances if their AUX INPUT voltage is lost or open all AUX RELAYS is the draft is not met or if no appliance calls for heat If the EBC3OLE draft reading is out of acceptable range 40 deviation for 15 seconds the control will go into Alarm status and open all of the AUX RELAY contacts that shut down the appliances When draft is met again it will function as stated above EXHAUSTO 12 VENTING DESIGN SOLUTIONS Extausro 3916043 02 06 5 2 Pre Operation Inspection After mounting and wiring has been completed check the control for the following items before applying power e Check for wiring errors Verify that there are no wiring chips screws etc remaining inside the controller e Check that all screws and terminal connections are tight Verify that no exposed wire ends are touching other terminals 5 3 Key Panel Identification and Operation When AC power is applied to the control the keypad panel display will show the following EXHAUSTO EXH OFF INT OFF O ALARM The keypad part names and functions are PROG P
3. Startup and Configuration 5 1 Pre Operation Inspection occoconcconcconnoconoconocanonononnanonanonanconanonanos 13 5 2 Key Panel Identification and Operation cccceceeeeeeeeeeeeneeeeeeaees 13 5 9 MIMIATOR OF SONO AA AA e ieS 14 5 4 Programming the Control ncsssccssacceisersenenesinsdaclevandaditweddaadancpddenddanpecae sis 14 5 5 Programming Sequence 11 a 17 6 Maintenance and Troubleshooting A 18 Symbol Legend The following terms are used throughout this manual to bring attention to the presence of potential hazards or to important information concerning the product Danger Indicates an imminent hazardous situation Caution Indicates an imminent hazardous situation which if not avoided will result in death serious injury or which if not avoided may result in personal injury or substantial property damage property damage TO REDUCE THE RISK OF FIRE ELECTRICAL SHOCK OR INJURY TO PERSONS OBSERVE THE FOLLOWING 1 Use this unit in the manner intended by the manufacturer If How to use this manual you have questions contact the manufacturer at the address or This installation manual does not contain any system design telephone number listed on the front of the manual documentation System design documentation is available from any 2 Before servicing or cleaning the unit switch off at service panel authorized EXHAUSTO representative and lock service panel to prevent power from being swi
4. attached to the control during initial start up It comes pre programmed from the factory but can be further programmed in the field if needed The control has an integrated safety system that assures the heating appliance is shut down in case of draft failure or control failure A unique Priority Operation function will probe the operating conditions and allow as many appliances to operate provided the operation is considered safe by the integrated safety system It has six 6 heating appliance interlock circuits as standard but can be expanded in multiples of four 4 with the use of an additional relay board or the ES 12 Relay Control The control can be operated with either a manual reset function reset button or an automatic reset function A self diagnostics panel with LED s monitors all connection terminals for easy service and troubleshooting Provided the integrated safety system is satisfied interlocked heating appliances are allowed to operate The EBC 30LE control is based on a micro processor It is designed to allow for installation of future software upgrades It can also be upgraded to a fully functioning EBC 30 Pressure Controller Listings EXHAUSTO s EBC 30LE is tested and listed to the Standard for Industrial Control Equipment UL Standard 508 16th Ed and CSA C22 2 No 14 95 as well as UL378 Standard for Draft Equipment 1 2 Shipping The EBC 30LE contains the following e EBC 30LE control unit e Relay board optiona
5. connected It then displays Found or Not Found for Exhaust and Intake modes Control checks for any add on modules and displays Relay Found or Nothing Found EBC30LE system application is displayed as Intake Only Exhaust Only or Intake and Exhaust Intermittent Operation In Intermittent Operation both AUX Input and AUX RELAY connections are made between each appliance and the EBC30 This allows the Control to start and stop the fan when an appliance is attempting to fire and to prevent the appliances from operating if proper draft is not met The EBC30LE initiates pressure control when a voltage signal from any of the six appliances is sensed at the AUX INPUT terminals No electrical path connects the AUX INPUT terminals so no current passes between them The LED between the AUX INPUT terminals lights when a call for heat voltage is sensed The XTP pressure transducers sense the draft between the exhaust stack and the room or between the outside air and the room and send a 0 10VDC signal back to the XTP1 exhaust or XTP2 intake terminals The current pressure reading is displayed on the EBC30LE It displays INT or EXH then the pressure reading or both if the application is Intake and Exhaust The DRAFT INPUT terminals must be closed by an external Proven Draft Switch or by a manually installed jumper before any appliances are allowed to operate The AUX RELAY contacts will close only for the appliances that are calling for heat when Draft
6. exhaust pressure The lowest possible value is 0 01 inWC Most applications require a setting in the range of 0 01 inWC to 0 10 inWC Atmospheric appliances Category are always in the low range while all other appliances can be anywhere Always check with the appliance manufacturer for the proper draft requirement The value indicates the relative setting of the total range of the sensor There is no need to set this value if the control is used to control the supply of combustion air EXHAUSTO VENTING DESIGN SOLUTIONS xrzusro 14 3916043 02 06 Q2 EXHAUST OPERATING MODE The control should always operate in intermittent mode The mode can be changed via the display The display only shows the chosen mode The mode can be overridden by the dipswitch inside the cover on the print board PEs 4 Q3 SET EXHAUST PRE PURGE When operating in intermittent mode it is important to set the pre purge Pre purge is the period from when there is a call for heat until the control allows the appliance to start assuming the draft is adequate The setting can be anywhere from 0 to 1800 seconds There is no need to set this value if the control is used only to monitor the supply of combustion air Q4 SET EXHAUST POST PURGE There is no need to set this value Q5 SET INTAKE For setting the room pressure The lowest possible value is 0 01 inWC Most applications require a setting of 0 01 inWC The value indicates t
7. or exhaust pressure Q9 ROTATION CHECK There is no need to set this value 5 6 Detailed Control Programming The EBC30 control has a detailed sub menu for individual parameter settings Please contact EXHAUSTO if you need a more detailed programming guide To view current alarm description inside service menu press PROG and it goes to parameter 51 current alarm if alarm condition is present Must go to 5 alarm to exit EXHAUSTO VENTING DESIGN SOLUTIONS xrzusro 16 3916043 02 06 5 6 Programming Sequence NOTES Press key for 3 seconds to access menu Q1 SET EXHAUST oe Q1 SET EXHAUST K The pressure can be set 0 01 inWC 20 01 inWC mg between 0 012 and 0 596 Default is 0 012 Available selections are continuous and intermittent Values can be set from 0 to 360 seconds Q4 SET EXH POST PURGE Values can be set from O to 60s 360 seconds The pressure can be set between 0 012 and 0 596 Default is 0 012 Available selections are continuous and intermittent ao Q7 INT PRE PURGE Values can be set from 0 to 60 s 360 seconds Q8 INT POST PURGE Values can be set from 0 to 60s oe 360 seconds Values can be ON or OFF Saves all settings and displays default display EXHAUSTO VENTING DESIGN SOLUTIONS Extausto 17 3916043 02 06 Vi 6 Maintenance and Troubleshooting Most terminal connections are monitored for proper operation LED lights indi
8. 3916043 0206 Installation Operating Manual EBC 30LE Draft Safety Monitor 2 Product Information 111000 Chapter 1 2 Mechanical Installation Chapter 3 4 Electrical Installation Chapter 4 22 Start Up and Configuration Chapter 5 jp Maintenance and Troubleshooting Chapter 6 Job Name Installer Installation Date EXHAUSTO Inc P 770 587 3238 TO E EXHAUSTO Suite 180 T 800 255 2923 Roswell GA 30076 info exhausto com us exhausto com VENTING DESIGN SOLUTIONS EXHAUSTO 3916043 02 06 1 Product Information A PP E E E E EE EE 4 Ta SND e E E E E E 4 E E A A A AE E EN 4 2 Specifications 2 1 Dimensions amp Capacities iscrisse inira ai 6 3 Mechanical Installation th Me OC AION AA T 3 2 Mounting of CON KO perce cretnpeencenianteamesedesiancicnenneonemntaonaneiavesasonosaeaennn T 3 3 Mounting of Transducer AA 8 3 4 Installation of Stack Probe if applicable ooccoccocconcooconcoononos 8 3 5 Installation of Outdoor Pressure Probe if applicable 9 4 Electrical Installation 4 1 General AAAH RN PA 10 4 2 Relay Board Connections aasa aa ANAN 11 4 3 Inac Board CONMECIONS qisco ctscncncentssatcnnsniaddesnanhosadctonndsceieentaisideaannste 11 4 4 Wiring of XTP Sensaor a 12 4 5 Wiring of the control for Priority Operation coooccoccccococnncononononno 12 5
9. 61 fVersionNo VERSION ___ AAA NS EIA AAA 1 o 621 BURNER VO AUXOUTXXXXXx pT 622 RELAY BOARD RELAY OUTXXXx lp 623 jexmaustrvo EXHXTPxxVOFF op 624 INTAKENO INTXTPXXVOFF y lp 625 TRiACBOARD TRIACBOARD_ Ap 626 DRAFTINPUT DRAFTINPUT__ y y o 627 Overideinput OVERRIDEIN__ 628 AlamReay ALARMOUTPUT o 629 Application APPLICATION 3 3 3Oo lo 63 friacboard_____ TRIACBOARD ___ INTAKE EXHAUST____ ss Joveride OVERRIDE PCT 641 Intake Mode INTAKE_ JOFF NORMAL MAX NORMAL jp 642 DraftMode_ EXHAUST __JOFF NORMAL MAX MAX 643 laAlamMode ALARMMODE _ ON OFF _ _ JOFFE 65 Options _JoPrmoN_ o 651 PrioritizedDuty_ PRIORTY_____JON OFR __ Jon o 652 BearingActivation____ _ BEARINGCYCLE____ JON OFF Jon 653 jAllowPrime_____ ALLOWPRIME__ JONOFR Jorf EXHAUSTO 19 VENTING DESIGN SOLUTIONS Extausro 3916043 02 06 Resetting to Factory Defaults PROG Q1 SET EXHAUST 0 01 inwC 2 EXHAUST 61 VERSION 66 FACTORY lt gt NO Q10 SERVICE MENU 66 FACTORY J A NO 66 FACTORY rn hgg pros Change NO to YES and press PROG NOTES Press PROG key for 3 seconds to access menu Scroll to Q10 SERVICE MENU and press PROG Scroll to 6 SERVICE and press PROG Scroll to 66 FACT
10. NS xrausro 9 3916043 02 06 ae 3 Mechanical Installation 3 1 Location The control and the transducer must be installed inside preferably in the mechanical room boiler room The control does not need to be installed in an enclosure Fig 3 shows how the components are connected The transducer cannot be mounted inside an airtight enclosure It uses the boiler room pressure as reference pressure Outdoor Controller Pressure Sensor Silicone tube EXHAUSTO or copper tube a BIN ma E Na J poT po i Max 50 feet 13 m Control wire Max 300 feet 100 m and or XTP Sensor Stack Probe exhaust Control wire i Max 300 feet 100 m RA Silicone tube or copper tube Max 6 feet 2 m 3 2 Mounting of Control The control can be mounted directly on a wall or similar The mounting holes are located inside the control as shown in Fig 4 The distance between the control and the transducer should not exceed three hundred 300 feet Mounting holes EXHAUSTO VENTING DESIGN SOLUTIONS EXHAUSTO 3916043 02 06 3 3 Mounting of Transducer Attention must be paid to the position and location of the transducer Fig 5 shows the required position Failure to follow this instruction may result in an inoperable system An XTP sensor used for sensing draft should be mounted within six 6 feet
11. ORY and press PROG Remove supply power to control Wait 30 seconds and reapply power Control is now reset to factory default User Settings Please record and keep the following information It will ease servicing the control after installation Q1 EXHAUST setting EXHAUST Operating Mode EXHAUST Pre purge EXHAUST Post purge INTAKE setting INTAKE Operating Mode INTAKE Pre purge INTAKE Post purge ROTATION CHECK EXHAUSTO VENTING DESIGN SOLUTIONS xrausro Continuous Intermittent circle one CS CONS A Seconds Continuous Intermittent circle one mw cz seconds CONS Yes No circle one 20
12. PEEDMIN_ 0 MENU275 15 264 Max Voltage SPEEDMAX_______ MENU274 100 100 Ap 265 lx EXHAUSTXp doso 55 Ap 266 tio exHausTTI _ Joso 8 053 ONAE INTAKkE_______ a intake Set Point SETINTAKE 3 95 of sensor range o 32 Operation Mode OPERATION _______ ___ 33 PrePurgge PREPURGE lp 331 Time ME fotsso o o 332 Operation Mode SPEED MODE Fix100 34 PostPurge POSTPURGE A pp 341 time TME oeoo o o 342 Operation Mode SPEED MODE __ Seetext Variable A 35 Sensor SENSOR lp 351 Min Pressure RANGEMIN 500 s00Pa_ J Ol pT 352 Max Pressure ____ RANGEMAx________k o 1000Pa_______ i50Pa_ 36 Parameters PROPERTIES _ ESA lp 361 Alarm Limit Draft ALARMLiMIT__ 100 300 300 lo op 362 Alarm Delay JALARMDEAY PCT CT 363 Min Voltage SPEED MIN O MENU175 20 364 Max Voltage SPEEDMAX_______ MENU174 100 100 po 365 lkxp INTAKEXp_ i doo 155 A 366 tio INTAkETI oso ___ 145 aa oispraY DisPAaY lo 4 Language LANGUAGE EngFr Sp English lo 42 Uis NT Painwe__________ linwc lo 43 Display Lights ___ LiGHT __________JONOFR ___Jon MA A TA AAA AAA e lo 51 JAlamstaus ERROR lo 52 jAlamtlg ERRORL0GG____ loo sap RESET RESET ______ MANAUT lauT ep SERCE SERVWCE J A
13. ROGRAM KEY Used to access the menu press for 3 seconds to get to the Quick menu RESET KEY Key used for resetting control and fault codes Also used to accept programming changes and exit the programming mode RESET DOWN KEY Used to decrease the value of a parameter UP KEY Used to increase the value of a parameter DECELERATION INDICATOR When yellow light is lit it indicates decreasing fan speed HHO DOWN ACCELERATION INDICATOR When yellow light is lit it indicates increasing fan speed ka ALARM INDICATOR When red light is lit it indicates an error that must be corrected EXHAUSTO 13 VENTING DESIGN SOLUTIONS xausro 3916043 02 06 5 4 Initiation of Control When power is supplied to the control it will go through a start up procedure to detect and check all components and appliances installed During this procedure the display will show the following SOFTWARE VERSION x xx EXHAUST SENSOR INTAKE SENSOR ADD ON EXT TRIAC FOUND APPLICATION EXH ONLY or INT ONLY EXH ON or OFF INT OFF or ON The control is ready The major functions can now be programmed using the Quick menu 5 5 Basic Control Set up Once power is turned ON the control can be programmed Most parameters are programmed at the factory and do not need to be changed There are 9 parameters that can be programmed set prior to operation and they can be accessed through the Quick Menu Q1 SET EXHAUST For setting the draft or
14. cate operating status If a light is lit it indicates everything is functioning properly while a light out indicates a problem on the circuit it monitors In addition fault codes are shown on the display The fault codes are Display Explanation A1 Draft Exhaust Insufficient draft pressure Can be caused by 1 Inadequate chimney capacity 2 Blocked chimney 3 Introduction of excessive dilution air 4 XTP sensor not responding correctly A2 Draft Intake Insufficient intake air supply Can be caused by 1 Supply fan does not have enough capacity 2 Mechanical or electrical fan failure 3 Blocked air inlet our louver 4 Excessive exhaust from exhaust fans located in mechanical room A3 Power Fault Indicates there has been a power fault A4 XTP Exhaust Indicates a disconnected signal from the XTP Sensor on the exhaust side to the control Can be caused by 1 Loose connections 2 Faulty XTP sensor 3 Faulty controller A5 XTP Intake Indicates a disconnected signal from the XTP sensor on the intake side to the control Can be caused by 1 Loose connections 2 Faulty XTP Sensor 3 Faulty controller Indicates that the control has not been able to release the heating A6 Error Start nee appliance s within 15 minutes A7 Alarm Override Indicates alarm has been ignored A8 Draft Input Missing signal from PDS function Indicates a faulty function Other fault possibilities are shown below Red alarm on main board is lit Indicates a malfun
15. ction Can be caused by 1 No communication between main board and display Make sure the cable is connected This error will shut down the NGPA a nee Red alarm diode flashes Indicates the control operates the appliances in prioritized mode Yellow light UP is lit continuously Indicates the monitor wants to see more draft If it stays on constantly it could indicate a system fault This can be caused by 1 Wiring problems 2 Aclogged tube or probe 3 Aleaking chimney system 4 Inadequate chimney capacity Yellow light DOWN is lit continuously Indicates a malfunction Can be caused by 1 Excessive draft under all conditions EXHAUSTO VENTING DESIGN SOLUTIONS xrzusro 18 3916043 02 06 EXHAUSTO EBC 30LE Factory Settings 2 JeExHausT EXHAUST i y 21 DraftSetPoit SET EXHAUST 3 95 of sensor range o 22 Operation Mode OPERATION 23 PrePurge PREPURGE O Ap 231 time TME oeoo o o 232 Operation Mode SPEED MODE ____ Fix100 24 PostPurge POSTPURGE lp 241 lime mmeEe Jo1ss0 0 o 242 Operation Mode SPEED MODE po Variable 25 Sensor SENSOR lp 251 Min Pressure RANGEMIN 500 500Pa_ 0 lp 252 Max Pressure RANGEMAx________ o 1000Pa_____ i50Pa_ 26 Parametes PROPERTIES 261 Alarm Limit Draft ALARMLiMIT___ 5080 64 PCT 262 AamDelay ALARMDELAY o1t20s 145 PCT 263 Min Voltage S
16. ections when used for Exhaust Intake 40 41 39 48 49 47 4 4 Wiring of the control for Priority Operation The control features Priority Operation which is used in case of a power failure chimney blockage or other failure of the venting system or combustion air supply system The feature will automatically evaluate if one or more appliance s can operate safely without maximum draft This function is constantly monitored by the PDS function and only if the min draft point is satisfied will operation be allowed On a call for heat the control will first probe the appliance connected to the AUX1 Input AUX1 Relay terminals secondly the appliance connected to the AUX2 Input AUX2 Relay terminals and so on Therefore the wiring should take the operating priority into consideration List appliance priority here Priority Appliance Type or Number Connects to terminals 1 AUX1 Input Relay 2 AUX2 Input Relay 3 AUX3 Input Relay 4 AUX4 Input Relay 5 AUXS Input Relay 6 AUX6 Input Relay EXHAUSTO VENTING DESIGN SOLUTIONS xrzusro 11 3916043 02 06 NG 5 Startup and Configuration 5 1 Sequence of Operation The EBC30LE initializes when 120VAC power is supplied It checks for the presence of integrated components such as add on boards and pressure sensors The Software version is displayed on the LED screen Control checks for intake and exhaust application by sensing current drawn by an Intake or Exhaust XTP properly
17. he relative setting of the total range of the sensor There is no need to set this value if the control is used only to monitor the draft or exhaust pressure Q6 INTAKE OPERATING MODE The control should operate in intermittent mode The display only shows the chosen mode See also Q2 about the dipswitch which can be very beneficial for the supply of combustion air or make up air especially where there are chillers fans etc that consume air In intermittent mode the supply fan only operates if at least one appliance is operating In this mode pre and post purge functions are very important and must be set EXHAUSTO 15 VENTING DESIGN SOLUTIONS Extausto 3916043 02 06 Q7 SET INTAKE PRE PURGE When operating in intermittent mode it is important to set the pre purge Pre purge is the period from when there is a call for heat until the control allows the appliance to start assuming the combustion air supply is operating at the proper capacity The setting can be anywhere from O to 1800 seconds Q8 SET INTAKE POST PURGE When operating in intermittent mode it is important to set the post purge Post purge is the period from when the appliance shuts down until the control allows combustion air supply to shut down assuming there are no more products of combustion in the chimney system The setting can be anywhere from O to 1800 seconds There is no need to set this value if the control is used to control the draft
18. l e Pressure transducer XTP e Silicone tubing e Stack probe e User manual 1 3 Warranty Complete warranty conditions are available from EXHAUSTO Inc EXHAUSTO VENTING DESIGN SOLUTIONS xrausro 3 3916043 02 06 EBC 30LE Control Components The EBC 30LE control is built up around a main board that monitors all basic functions In addition a relay board is available for special functions The main board monitors draft exhaust and air supply intake functions It has an integrated Proven Draft Switch PDS function An external PDS is therefore not required The main board layout is shown below in Fig 1 Fig 1 Main Board 1 Mainboard 5 Quick connect socket to keypad and display 2 Not used 6 Quick connect socket to add on board 3 Terminals 7 Operating status indicators 4 Fuse protection for mainboard A Relay Board is available for applications with more than 6 appliances The layouts for the Relay Boards is shown below in Fig 2 Relay Board 1 Terminals 4 Quick connect plug 5 Operating status indicators EXHAUSTO VENTING DESIGN SOLUTIONS Extausto 3916043 02 06 7 2 Specifications 2 1 Dimensions amp Capacities Weight lbs kg 8 9 4 0 EMC Standard Emission EN 50 081 1 Power Supply VDC 0 24 Amperage mA lt 20 Output VDC 0 10 gt lt j O 0 O gt Mm O La Weight lbs kg CO IS EXHAUSTO VENTING DESIGN SOLUTIO
19. of the stack probe An XTP sensor used for sensing room pressure should be mounted within fifty 50 feet of the Outdoor Pressure Probe 3 4 Installation of Stack Probe if applicable The probe page 5 is inserted into the chimney or stack at the point where the draft should be kept constant This could be at the appliance outlet in the vent or similar Use a 1 2 drill bit to drill a hole in the side of the chimney for the probe Acceptable positions are shown below If possible the distance A should be equal to 3 times the diameter of the chimney This will improve accuracy Connect the stack probe to the transducer using the silicone tube Make sure the tube is connected to the proper transducer port as show in Fig 7 XTP Sensor Stack Probe exhaust S lt Fitting Connect tubing for stack probe here Fitting Leave open for room pressure EXHAUSTO VENTING DESIGN SOLUTIONS xrausro 3916043 02 06 3 5 Installation of Outdoor Pressure Probe if applicable Select a mounting location as free as possible from rooftop obstructions The choice of location should also consider routing of silicone tubing into the building to minimize tubing run on the roof Install the probe on an existing structure like a pole radio or TV antenna mast Alternately the L shaped bracket can be attached directly to any wall or rooftop It is recommended that the full length of tubing 50 feet be used Exce
20. put Supply to EXTERNAL switch 24 VDC 9 10 AUX2 Dry Contact Normally Open 30 Draft Input Return from EXTERNAL switch 24 VDC Output to Appliance 2 0 250V 8A 31 Override Input positive 0 250VAC DC 11 AUX2 Input Boiler 2 Thermostat Input 32 Override Input common 10 250VAC DC Load Pos 33 34 Alarm Relay Dry Contact Normally Open 12 AUX2 Input Boiler 2 Thermostat Input Close on Alarm Condition 0 250VAC 8A Common Neg 35 36 Not in use 13 14 AUX3 Dry Contact Normally Open 37 Not in use Output to Appliance 3 0 250V 8A 38 Not in use 15 AUX3 input Boiler 3 Thermostat Input 39 Power Supply to Exhaust Transducer 10 250VAC DC Load Pos positive 24VDC 16 AUX3 Input Boiler 3 Thermostat Input 40 42 Output to Exhaust Transducer common Common NEO 41 Input from Exhaust Transducer positive 17 18 AUX4 Dry Contact Normally Open 0 10V nput Boiler ermostat Inpu 10 250VAC DC Load Pos pa dib in use 20 AUX4 Input Boiler 4 Thermostat Input SPINE Common Neg 47 Power Supply to Intake Transducer 21 22 AUX5 Dry Contact Normally Open DOSING o ZA DG Output to Appliance 5 0 250V 8A 48 50 Output to Intake Transducer common 23 AUX5 Input Boiler 5 Thermostat Input 49 Output to Intake Transducer positive 0 10V SUPPLY 120VAC 10 250VAC DC Load Pos EXHAUSTO VENTING DESIGN SOLUTIONS EXHAUSTO OVERRIDE INPUT O w 24VDC EZ JU LX 33 34 zz x gu
21. ss tubing should be coiled at some convenient location rather than be cut off Longer lengths are available Obstructions such as trees chimneys signs and buildings can cause turbulence which result in abnormal and thus inaccurate static pressure Position the probe as far from the sources of turbulence as possible The XTP sensor is connected to the outdoor pressure probe as shown below in Fig 8 XTP Sensor intake Outdoor Pressure Sensor Fitting Connect tubing for outdoor pressure sensor here Fitting Leave open for room pressure EXHAUSTO VENTING DESIGN SOLUTIONS Exmusro 3916043 02 06 A 4 Electrical Installation 4 1 General Danger Turn off electrical power before servicing Contact with live electric components can cause shock or death EBC 30LE is designed for 1x120VAC power supply only The terminals are connected as shown for additional information go to 5 1 Terminal Use 1 Power Supply L1 Phase 24 AUXS Input Boiler 5 Thermostat Input 2 Power Supply N Neutral Common Neg 3 4 Ground 25 26 AUX6 Dry Contact Normally Open 5 6 AUX1 Dry Contact Normally Open Output to Appllanes 6 0 250V 8A Output to Appliance 1 0 250V 8A 27 AUX6 Input Boiler 6 Thermostat Input T AUX1 Input Boiler 1 Thermostat Input AOS Load POS 10 250VAC DC Load Pos 28 AUX6 Input Boiler 6 Thermostat Input 8 AUX1 Input Boiler 1 Thermostat Input Comrmon eg Common Neg 29 Draft In
22. tched on Accessories fans and variable frequency drives are not covered by accidentally this manual Please refer to these component s individual manuals 3 Installation work and electrical wiring must be done by a qualified person s in accordance with applicable codes and standards 4 Follow the appliance manufacturer s guidelines and safety standards such as those published by the National Fire Protection Associations NFPA and the American Society for Heating Refrigeration and Air Conditioning Engineers ASHRAE and the local code authorities 5 This unit must be grounded EXHAUSTO VENTING DESIGN SOLUTIONS xrausro 3916043 02 06 O 7 1 Product Information 1 1 Function Use The EBC 30LE is a true PID based draft controller that is used to monitor the draft in a venting system and a pressure inside a mechanical room The intended use of the control includes but is not limited to e Monitoring combustion air supply e Monitoring the draft in a venting system serving individual or multiple heating appliance systems e Monitoring the duct pressure in dryer venting systems The EBC 30LE can simultaneously monitor a venting system and a combustion air supply system whether this is based on gravity or mechanical exhaust supply Any two of these can be monitored simultaneously or they can be monitored individually The unit features Plug and Play that automatically monitors all terminals and registers components
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